IPGPIPG Photonics Corporationas of 2026-09-16
Horizon

Issued 2026-09-16 at $76.96 · now $76.96 (2026-09-16, +0.0% since)

Based on its own history, a month from the 2026-09-16 close, IPGP has typically landed between $62.06 and $89.94 — a range of −19.4% to +16.9% from the issuance price $76.96.

Range of outcomes in historically similar periods — not a price prediction. Ranges are scored publicly on /methodology.
  • Actual close
  • Typical path (median)
  • Middle 50% of outcomes
  • 90% range

4,673 overlapping 1 month windows · 2008-01-022026-08-17 · basis climatology · forecast (batch). Probability up 53.9% (90% CI 51.756.1%, ≈1,408 obs).

The cone is anchored at the 2026-09-16 issuance close ($76.96) — the price the forecast resolves against on 2026-10-15, not the latest close. The drawn path shape is illustrative (bands widen with √t); every labeled number is real — the anchor, the scored batch p90/IQR endpoints, and the typical move.

Where IPGP has typically landed a month from the 2026-09-16 close of $76.96 — the range is history, not a prediction.

$62.06worst · -19.4%$89.94best · +16.9%
  • now $76.96 (+0.0%)
  • typicalThe typical outcome — half of similar past periods did better and half did worse (not an average, so a few wild periods don't skew it). $76.08 (-1.1%)
  • middle 50%The central range of outcomes — half of similar past periods landed inside it, a quarter finished above, a quarter below. $70.91$81.24
  • 90% rangeA nine-in-ten range — in about nine of every ten similar past periods the outcome stayed within these bounds. $62.06$89.94
Actual 1-month windows behind the coneiEvery overlapping 1-month window in this security's own price history was ranked by realized return; shown are the 3 worst and 3 best of 4,673 windows spanning 2008-01-02 to 2026-09-16. Not cherry-picked — these are the extremes of the full sample. Max drop / max rise are the deepest and highest points reached within each window. See /methodology.
StartReturnMax dropMax rise
3 worst
2008-09-26−34.0%−34.0%+0.0%
2026-07-09−33.6%−34.5%+0.0%
2018-07-17−32.5%−32.5%+1.3%
3 best
2026-01-14+98.5%+0.0%+98.5%
2026-01-13+95.7%+0.0%+95.7%
2011-01-26+70.9%+0.0%+70.9%

4,673 overlapping windows · 2008-01-022026-09-16 · not cherry-picked

Seasonality · by month iHow this security has tended to do in each calendar month historically — a frequency, never a prediction.

iFor each calendar month, the share of years this security closed higher than the month before, and the average month-over-month return, over ~19 years of its own price history. Cells are shaded by average return. This is historical frequency, not a prediction — no month is a signal.
Jan
44%
+3.7%
n=18
Feb
53%
+5.7%
n=19
Mar
37%
−1.6%
n=19
Apr
47%
+2.4%
n=19
May
47%
+1.7%
n=19
Jun
58%
+1.1%
n=19
Jul
53%
−0.6%
n=19
Aug
47%
−0.7%
n=19
Sep
47%
−0.8%
n=19
Oct
61%
+1.8%
n=18
Nov
67%
+4.2%
n=18
Dec
61%
+1.2%
n=18

Up-frequency and average month-over-month return · historical frequency, not a prediction

Reported insider & political trades

Every Form 4 the people closest to this company have filed with the SEC — plotted against the share price, aggregated by month, and shown with the gap between when each trade happened and when it was disclosed. A public record, not advice.

Share price & reported tradesMonthly open-market valueReporting lag — trade date to filing date2026-092026-082026-072026-062026-052026-042026-032026-022026-012025-122025-112025-102025-092025-08$154$712026-09-02: 2 insider sales, $707K — Valentin Gapontsev Trust I …2026-09-01: 1 insider sale, $1.4M — Valentin Gapontsev Trust I2026-08-26: 2 insider purchases, $199K — PEELER JOHN R …2026-08-05: 4 insider sales, $1.7M — IP FIBRE DEVICES LTD …2026-08-04: 1 insider sale, $1.2M — IP FIBRE DEVICES LTD2026-07-31: 8 insider sales, $2.4M — IP FIBRE DEVICES LTD, SCHERBAKOV EUGENE A …2026-07-21: 4 insider sales, $5.8M — Valentin Gapontsev Trust I …2026-06-29: 13 insider sales, $7.1M — IP FIBRE DEVICES LTD, Lopresti Angelo P, SCHERBAKOV EUGENE A …2026-06-22: 3 insider sales, $178K — Agnes Tang …2026-05-22: 2 insider sales, $1.2M — Mammen Timothy PV …2026-05-14: 1 insider sale, $178K — Desmond Jeanmarie F.2026-03-17: 1 insider sale, $58K — Buttarazzi Mary E.2026-02-24: 6 insider sales, $594K — IP FIBRE DEVICES LTD, SCHERBAKOV EUGENE A …2026-02-23: 5 insider sales, $4.5M — IP FIBRE DEVICES LTD …2026-02-20: 5 insider sales, $3.8M — IP FIBRE DEVICES LTD …2026-02-17: 21 insider sales, $8.7M — Valentin Gapontsev Trust I …2026-02-02: 1 insider sale, $71K — Meurice Eric2026-01-21: 6 insider sales, $1.4M — IP FIBRE DEVICES LTD, Lopresti Angelo P, SCHERBAKOV EUGENE A …2026-01-20: 2 insider sales, $1.7M — IP FIBRE DEVICES LTD …2026-01-16: 2 insider sales, $2.3M — IP FIBRE DEVICES LTD …2026-01-15: 2 insider sales, $637K — Valentin Gapontsev Trust I …2026-01-14: 3 insider sales, $1.4M — Valentin Gapontsev Trust I …2026-01-13: 2 insider sales, $1.8M — Valentin Gapontsev Trust I …2026-01-12: 2 insider sales, $1.4M — Valentin Gapontsev Trust I …2025-12-24: 2 insider sales, $956K — IP FIBRE DEVICES LTD …2025-12-23: 4 insider sales, $2.3M — IP FIBRE DEVICES LTD, SCHERBAKOV EUGENE A …2025-12-22: 3 insider sales, $1.7M — IP FIBRE DEVICES LTD …2025-12-16: 3 insider sales, $2.1M — Valentin Gapontsev Trust I …2025-12-15: 1 insider sale, $3.1M — Valentin Gapontsev Trust I2025-12-09: 1 insider sale, $128K — Lopresti Angelo P2025-11-25: 2 insider sales, $144K — Agnes Tang …2025-11-24: 5 insider sales, $2.9M — IP FIBRE DEVICES LTD, SCHERBAKOV EUGENE A …2025-11-21: 3 insider sales, $2.2M — IP FIBRE DEVICES LTD …2025-11-18: 3 insider sales, $3.8M — Valentin Gapontsev Trust I, Ness Trevor …2025-11-17: 3 insider sales, $1.4M — Valentin Gapontsev Trust I …2025-11-06: 1 insider sale, $69K — Meurice Eric2025-10-27: 1 insider sale, $131K — Lopresti Angelo P2025-10-21: 4 insider sales, $2.3M — IP FIBRE DEVICES LTD, SCHERBAKOV EUGENE A …2025-10-20: 6 insider sales, $2.2M — IP FIBRE DEVICES LTD, Ness Trevor …2025-10-17: 2 insider sales, $1.4M — IP FIBRE DEVICES LTD …2025-10-15: 3 insider sales, $1.5M — Valentin Gapontsev Trust I …2025-10-14: 4 insider sales, $1.4M — Valentin Gapontsev Trust I …2025-10-13: 3 insider sales, $2.7M — Valentin Gapontsev Trust I …2025-10-07: 2 insider sales, $135K — Meurice Eric …2025-10-06: 1 insider sale, $128K — Lopresti Angelo P2025-09-23: 2 insider sales, $221K — SCHERBAKOV EUGENE A …2025-09-22: 2 insider sales, $2.9M — IP FIBRE DEVICES LTD …2025-09-19: 2 insider sales, $2.4M — IP FIBRE DEVICES LTD …2025-09-18: 2 insider sales, $139K — Ness Trevor …2025-09-16: 1 insider sale, $1.1M — Valentin Gapontsev Trust I2025-09-15: 2 insider sales, $4.2M — Valentin Gapontsev Trust I …2025-08-27: 2 insider sales, $139K — Ness Trevor …2025-08: 3 open-market sales, $243K2025-09: 11 open-market sales, $11.0M2025-10: 26 open-market sales, $11.9M2025-11: 17 open-market sales, $10.5M2025-12: 14 open-market sales, $10.3M2026-01: 19 open-market sales, $10.6M2026-02: 38 open-market sales, $17.7M2026-03: 1 open-market sale, $58K2026-05: 3 open-market sales, $1.4M2026-06: 16 open-market sales, $7.3M2026-07: 12 open-market sales, $8.2M2026-08: 2 open-market purchases, $199K2026-08: 5 open-market sales, $2.9M2026-09: 3 open-market sales, $2.1M↑ buys↓ salestenPercentOwner Valentin Gapontsev Trust I — Sale on 2026-09-02, filed 1 day after the tradetenPercentOwner Valentin Gapontsev Trust I — Sale on 2026-09-02, filed 1 day after the tradetenPercentOwner Valentin Gapontsev Trust I — Sale on 2026-09-01, filed 2 days after the tradedirector PEELER JOHN R — Purchase on 2026-08-26, filed 1 day after the tradedirector PEELER JOHN R — Purchase on 2026-08-26, filed 1 day after the tradetenPercentOwner IP FIBRE DEVICES LTD — Sale on 2026-08-05, filed 1 day after the tradetenPercentOwner IP FIBRE DEVICES LTD — Sale on 2026-08-05, filed 1 day after the tradetenPercentOwner IP FIBRE DEVICES LTD — Sale on 2026-08-05, filed 1 day after the tradetenPercentOwner IP FIBRE DEVICES LTD — Sale on 2026-08-05, filed 1 day after the tradetenPercentOwner IP FIBRE DEVICES LTD — Sale on 2026-08-04, filed 2 days after the tradetenPercentOwner IP FIBRE DEVICES LTD — Sale on 2026-07-31, filed 4 days after the tradedirector SCHERBAKOV EUGENE A — Sale on 2026-07-31, filed 4 days after the tradetenPercentOwner IP FIBRE DEVICES LTD — Sale on 2026-07-31, filed 4 days after the tradetenPercentOwner IP FIBRE DEVICES LTD — Sale on 2026-07-31, filed 4 days after the tradedirector SCHERBAKOV EUGENE A — Sale on 2026-07-31, filed 4 days after the tradedirector SCHERBAKOV EUGENE A — Sale on 2026-07-31, filed 4 days after the tradetenPercentOwner IP FIBRE DEVICES LTD — Sale on 2026-07-31, filed 4 days after the tradedirector SCHERBAKOV EUGENE A — Sale on 2026-07-31, filed 4 days after the tradetenPercentOwner Valentin Gapontsev Trust I — Sale on 2026-07-21, filed 1 day after the tradetenPercentOwner Valentin Gapontsev Trust I — Sale on 2026-07-21, filed 1 day after the tradetenPercentOwner Valentin Gapontsev Trust I — Sale on 2026-07-21, filed 1 day after the tradetenPercentOwner Valentin Gapontsev Trust I — Sale on 2026-07-21, filed 1 day after the tradetenPercentOwner IP FIBRE DEVICES LTD — Sale on 2026-06-29, filed 2 days after the tradetenPercentOwner IP FIBRE DEVICES LTD — Sale on 2026-06-29, filed 2 days after the tradetenPercentOwner IP FIBRE DEVICES LTD — Sale on 2026-06-29, filed 2 days after the tradetenPercentOwner IP FIBRE DEVICES LTD — Sale on 2026-06-29, filed 2 days after the tradetenPercentOwner IP FIBRE DEVICES LTD — Sale on 2026-06-29, filed 2 days after the tradetenPercentOwner IP FIBRE DEVICES LTD — Sale on 2026-06-29, filed 2 days after the tradetenPercentOwner IP FIBRE DEVICES LTD — Sale on 2026-06-29, filed 2 days after the tradeofficer Lopresti Angelo P — Sale on 2026-06-29, filed 2 days after the tradedirector SCHERBAKOV EUGENE A — Sale on 2026-06-29, filed 2 days after the tradedirector SCHERBAKOV EUGENE A — Sale on 2026-06-29, filed 2 days after the tradedirector SCHERBAKOV EUGENE A — Sale on 2026-06-29, filed 2 days after the tradedirector SCHERBAKOV EUGENE A — Sale on 2026-06-29, filed 2 days after the tradedirector SCHERBAKOV EUGENE A — Sale on 2026-06-29, filed 2 days after the tradedirector Agnes Tang — Sale on 2026-06-22, filed 1 day after the tradedirector Agnes Tang — Sale on 2026-06-22, filed 1 day after the tradedirector Agnes Tang — Sale on 2026-06-22, filed 1 day after the tradeofficer Mammen Timothy PV — Sale on 2026-05-22, filed 4 days after the tradeofficer Mammen Timothy PV — Sale on 2026-05-22, filed 4 days after the tradedirector Desmond Jeanmarie F. — Sale on 2026-05-14, filed 1 day after the tradeofficer Buttarazzi Mary E. — Sale on 2026-03-17, filed same daytenPercentOwner IP FIBRE DEVICES LTD — Sale on 2026-02-24, filed same daydirector SCHERBAKOV EUGENE A — Sale on 2026-02-24, filed same daydirector SCHERBAKOV EUGENE A — Sale on 2026-02-24, filed same daydirector SCHERBAKOV EUGENE A — Sale on 2026-02-24, filed same daydirector SCHERBAKOV EUGENE A — Sale on 2026-02-24, filed same daytenPercentOwner IP FIBRE DEVICES LTD — Sale on 2026-02-24, filed same daytenPercentOwner IP FIBRE DEVICES LTD — Sale on 2026-02-23, filed 1 day after the tradetenPercentOwner IP FIBRE DEVICES LTD — Sale on 2026-02-23, filed 1 day after the tradetenPercentOwner IP FIBRE DEVICES LTD — Sale on 2026-02-23, filed 1 day after the tradetenPercentOwner IP FIBRE DEVICES LTD — Sale on 2026-02-23, filed 1 day after the tradetenPercentOwner IP FIBRE DEVICES LTD — Sale on 2026-02-23, filed 1 day after the tradetenPercentOwner IP FIBRE DEVICES LTD — Sale on 2026-02-20, filed 4 days after the tradetenPercentOwner IP FIBRE DEVICES LTD — Sale on 2026-02-20, filed 4 days after the tradetenPercentOwner IP FIBRE DEVICES LTD — Sale on 2026-02-20, filed 4 days after the tradetenPercentOwner IP FIBRE DEVICES LTD — Sale on 2026-02-20, filed 4 days after the tradetenPercentOwner IP FIBRE DEVICES LTD — Sale on 2026-02-20, filed 4 days after the tradetenPercentOwner Valentin Gapontsev Trust I — Sale on 2026-02-17, filed 1 day after the tradetenPercentOwner Valentin Gapontsev Trust I — Sale on 2026-02-17, filed 1 day after the tradetenPercentOwner Valentin Gapontsev Trust I — Sale on 2026-02-17, filed 1 day after the tradetenPercentOwner Valentin Gapontsev Trust I — Sale on 2026-02-17, filed 1 day after the tradetenPercentOwner Valentin Gapontsev Trust I — Sale on 2026-02-17, filed 1 day after the tradetenPercentOwner Valentin Gapontsev Trust I — Sale on 2026-02-17, filed 1 day after the tradetenPercentOwner Valentin Gapontsev Trust I — Sale on 2026-02-17, filed 1 day after the tradetenPercentOwner Valentin Gapontsev Trust I — Sale on 2026-02-17, filed 1 day after the tradetenPercentOwner Valentin Gapontsev Trust I — Sale on 2026-02-17, filed 1 day after the tradetenPercentOwner Valentin Gapontsev Trust I — Sale on 2026-02-17, filed 1 day after the tradetenPercentOwner Valentin Gapontsev Trust I — Sale on 2026-02-17, filed 1 day after the tradetenPercentOwner Valentin Gapontsev Trust I — Sale on 2026-02-17, filed 1 day after the tradetenPercentOwner Valentin Gapontsev Trust I — Sale on 2026-02-17, filed 1 day after the tradetenPercentOwner Valentin Gapontsev Trust I — Sale on 2026-02-17, filed 1 day after the tradetenPercentOwner Valentin Gapontsev Trust I — Sale on 2026-02-17, filed 1 day after the tradetenPercentOwner Valentin Gapontsev Trust I — Sale on 2026-02-17, filed 1 day after the tradetenPercentOwner Valentin Gapontsev Trust I — Sale on 2026-02-17, filed 1 day after the tradetenPercentOwner Valentin Gapontsev Trust I — Sale on 2026-02-17, filed 1 day after the tradetenPercentOwner Valentin Gapontsev Trust I — Sale on 2026-02-17, filed 1 day after the tradetenPercentOwner Valentin Gapontsev Trust I — Sale on 2026-02-17, filed 1 day after the tradetenPercentOwner Valentin Gapontsev Trust I — Sale on 2026-02-17, filed 1 day after the tradedirector Meurice Eric — Sale on 2026-02-02, filed 1 day after the tradetenPercentOwner IP FIBRE DEVICES LTD — Sale on 2026-01-21, filed same dayofficer Lopresti Angelo P — Sale on 2026-01-21, filed 2 days after the tradedirector SCHERBAKOV EUGENE A — Sale on 2026-01-21, filed same daytenPercentOwner IP FIBRE DEVICES LTD — Sale on 2026-01-21, filed same daydirector SCHERBAKOV EUGENE A — Sale on 2026-01-21, filed same daydirector SCHERBAKOV EUGENE A — Sale on 2026-01-21, filed same daytenPercentOwner IP FIBRE DEVICES LTD — Sale on 2026-01-20, filed 1 day after the tradetenPercentOwner IP FIBRE DEVICES LTD — Sale on 2026-01-20, filed 1 day after the tradetenPercentOwner IP FIBRE DEVICES LTD — Sale on 2026-01-16, filed 5 days after the tradetenPercentOwner IP FIBRE DEVICES LTD — Sale on 2026-01-16, filed 5 days after the tradetenPercentOwner Valentin Gapontsev Trust I — Sale on 2026-01-15, filed 1 day after the tradetenPercentOwner Valentin Gapontsev Trust I — Sale on 2026-01-15, filed 1 day after the tradetenPercentOwner Valentin Gapontsev Trust I — Sale on 2026-01-14, filed same daytenPercentOwner Valentin Gapontsev Trust I — Sale on 2026-01-14, filed same daytenPercentOwner Valentin Gapontsev Trust I — Sale on 2026-01-14, filed same daytenPercentOwner Valentin Gapontsev Trust I — Sale on 2026-01-13, filed 1 day after the tradetenPercentOwner Valentin Gapontsev Trust I — Sale on 2026-01-13, filed 1 day after the tradetenPercentOwner Valentin Gapontsev Trust I — Sale on 2026-01-12, filed 2 days after the tradetenPercentOwner Valentin Gapontsev Trust I — Sale on 2026-01-12, filed 2 days after the tradetenPercentOwner IP FIBRE DEVICES LTD — Sale on 2025-12-24, filed 5 days after the tradetenPercentOwner IP FIBRE DEVICES LTD — Sale on 2025-12-24, filed 5 days after the tradetenPercentOwner IP FIBRE DEVICES LTD — Sale on 2025-12-23, filed 6 days after the tradedirector SCHERBAKOV EUGENE A — Sale on 2025-12-23, filed 6 days after the tradedirector SCHERBAKOV EUGENE A — Sale on 2025-12-23, filed 6 days after the tradetenPercentOwner IP FIBRE DEVICES LTD — Sale on 2025-12-23, filed 6 days after the tradetenPercentOwner IP FIBRE DEVICES LTD — Sale on 2025-12-22, filed 7 days after the tradetenPercentOwner IP FIBRE DEVICES LTD — Sale on 2025-12-22, filed 7 days after the tradetenPercentOwner IP FIBRE DEVICES LTD — Sale on 2025-12-22, filed 7 days after the tradetenPercentOwner Valentin Gapontsev Trust I — Sale on 2025-12-16, filed same daytenPercentOwner Valentin Gapontsev Trust I — Sale on 2025-12-16, filed same daytenPercentOwner Valentin Gapontsev Trust I — Sale on 2025-12-16, filed same daytenPercentOwner Valentin Gapontsev Trust I — Sale on 2025-12-15, filed 1 day after the tradeofficer Lopresti Angelo P — Sale on 2025-12-09, filed 1 day after the tradedirector Agnes Tang — Sale on 2025-11-25, filed same daydirector Agnes Tang — Sale on 2025-11-25, filed same daytenPercentOwner IP FIBRE DEVICES LTD — Sale on 2025-11-24, filed 1 day after the tradetenPercentOwner IP FIBRE DEVICES LTD — Sale on 2025-11-24, filed 1 day after the tradedirector SCHERBAKOV EUGENE A — Sale on 2025-11-24, filed 1 day after the tradedirector SCHERBAKOV EUGENE A — Sale on 2025-11-24, filed 1 day after the tradetenPercentOwner IP FIBRE DEVICES LTD — Sale on 2025-11-24, filed 1 day after the tradetenPercentOwner IP FIBRE DEVICES LTD — Sale on 2025-11-21, filed 4 days after the tradetenPercentOwner IP FIBRE DEVICES LTD — Sale on 2025-11-21, filed 4 days after the tradetenPercentOwner IP FIBRE DEVICES LTD — Sale on 2025-11-21, filed 4 days after the tradetenPercentOwner Valentin Gapontsev Trust I — Sale on 2025-11-18, filed 1 day after the tradetenPercentOwner Valentin Gapontsev Trust I — Sale on 2025-11-18, filed 1 day after the tradeofficer Ness Trevor — Sale on 2025-11-18, filed 1 day after the tradetenPercentOwner Valentin Gapontsev Trust I — Sale on 2025-11-17, filed 2 days after the tradetenPercentOwner Valentin Gapontsev Trust I — Sale on 2025-11-17, filed 2 days after the tradetenPercentOwner Valentin Gapontsev Trust I — Sale on 2025-11-17, filed 2 days after the tradedirector Meurice Eric — Sale on 2025-11-06, filed 1 day after the tradeofficer Lopresti Angelo P — Sale on 2025-10-27, filed 2 days after the tradetenPercentOwner IP FIBRE DEVICES LTD — Sale on 2025-10-21, filed same daytenPercentOwner IP FIBRE DEVICES LTD — Sale on 2025-10-21, filed same daydirector SCHERBAKOV EUGENE A — Sale on 2025-10-21, filed same daydirector SCHERBAKOV EUGENE A — Sale on 2025-10-21, filed same daytenPercentOwner IP FIBRE DEVICES LTD — Sale on 2025-10-20, filed 1 day after the tradetenPercentOwner IP FIBRE DEVICES LTD — Sale on 2025-10-20, filed 1 day after the tradeofficer Ness Trevor — Sale on 2025-10-20, filed 1 day after the tradetenPercentOwner IP FIBRE DEVICES LTD — Sale on 2025-10-20, filed 1 day after the tradeofficer Ness Trevor — Sale on 2025-10-20, filed 1 day after the tradeofficer Ness Trevor — Sale on 2025-10-20, filed 1 day after the tradetenPercentOwner IP FIBRE DEVICES LTD — Sale on 2025-10-17, filed 4 days after the tradetenPercentOwner IP FIBRE DEVICES LTD — Sale on 2025-10-17, filed 4 days after the tradetenPercentOwner Valentin Gapontsev Trust I — Sale on 2025-10-15, filed same daytenPercentOwner Valentin Gapontsev Trust I — Sale on 2025-10-15, filed same daytenPercentOwner Valentin Gapontsev Trust I — Sale on 2025-10-15, filed same daytenPercentOwner Valentin Gapontsev Trust I — Sale on 2025-10-14, filed 1 day after the tradetenPercentOwner Valentin Gapontsev Trust I — Sale on 2025-10-14, filed 1 day after the tradetenPercentOwner Valentin Gapontsev Trust I — Sale on 2025-10-14, filed 1 day after the tradetenPercentOwner Valentin Gapontsev Trust I — Sale on 2025-10-14, filed 1 day after the tradetenPercentOwner Valentin Gapontsev Trust I — Sale on 2025-10-13, filed 2 days after the tradetenPercentOwner Valentin Gapontsev Trust I — Sale on 2025-10-13, filed 2 days after the tradetenPercentOwner Valentin Gapontsev Trust I — Sale on 2025-10-13, filed 2 days after the tradedirector Meurice Eric — Sale on 2025-10-07, filed 1 day after the tradedirector Meurice Eric — Sale on 2025-10-07, filed 1 day after the tradeofficer Lopresti Angelo P — Sale on 2025-10-06, filed same daydirector SCHERBAKOV EUGENE A — Sale on 2025-09-23, filed 1 day after the tradedirector SCHERBAKOV EUGENE A — Sale on 2025-09-23, filed 1 day after the tradetenPercentOwner IP FIBRE DEVICES LTD — Sale on 2025-09-22, filed same daytenPercentOwner IP FIBRE DEVICES LTD — Sale on 2025-09-22, filed same daytenPercentOwner IP FIBRE DEVICES LTD — Sale on 2025-09-19, filed 3 days after the tradetenPercentOwner IP FIBRE DEVICES LTD — Sale on 2025-09-19, filed 3 days after the tradeofficer Ness Trevor — Sale on 2025-09-18, filed 1 day after the tradeofficer Ness Trevor — Sale on 2025-09-18, filed 1 day after the tradetenPercentOwner Valentin Gapontsev Trust I — Sale on 2025-09-16, filed same daytenPercentOwner Valentin Gapontsev Trust I — Sale on 2025-09-15, filed 1 day after the tradetenPercentOwner Valentin Gapontsev Trust I — Sale on 2025-09-15, filed 1 day after the tradeofficer Ness Trevor — Sale on 2025-08-27, filed 1 day after the tradeofficer Ness Trevor — Sale on 2025-08-27, filed 1 day after the trade
DatePersonRoleActionShares @ priceValueOwnership Δvs S&P 1mvs S&P 6mOwned afterFiling
2026-09-02Valentin Gapontsev Trust ItenPercentOwnerSale4,715 @ $76.25$360K−0.1% of holdingnot yet — horizon still opennot yet — horizon still open6,642,886Form 4 · filed 1 day after the trade
2026-09-02Valentin Gapontsev Trust ItenPercentOwnerSale4,591 @ $75.65$347K−0.1% of holdingnot yet — horizon still opennot yet — horizon still open6,647,601Form 4 · filed 1 day after the trade
2026-09-01Valentin Gapontsev Trust ItenPercentOwnerSale18,091 @ $75.14$1.4M−0.3% of holdingnot yet — horizon still opennot yet — horizon still open6,652,192Form 4 · filed 2 days after the trade
2026-08-26PEELER JOHN RdirectorPurchase1,552 @ $72.84$113K+8.5% of holdingnot yet — horizon still opennot yet — horizon still open19,728Form 4 · filed 1 day after the trade
2026-08-26PEELER JOHN RdirectorPurchase1,158 @ $74.57$86K+5.9% of holdingnot yet — horizon still opennot yet — horizon still open20,886Form 4 · filed 1 day after the trade
2026-08-05IP FIBRE DEVICES LTDtenPercentOwnerSale11,912 @ $95.31$1.1M−0.2% of holding−21.2%not yet — horizon still open6,412,188Form 4 · filed 1 day after the trade
2026-08-05IP FIBRE DEVICES LTDtenPercentOwnerSale4,324 @ $97.81$423K−0.1% of holding−21.2%not yet — horizon still open6,406,539Form 4 · filed 1 day after the trade
2026-08-05IP FIBRE DEVICES LTDtenPercentOwnerSale1,325 @ $96.76$128K−0.0% of holding−21.2%not yet — horizon still open6,410,863Form 4 · filed 1 day after the trade
2026-08-05IP FIBRE DEVICES LTDtenPercentOwnerSale550 @ $98.71$54K−0.0% of holding−21.2%not yet — horizon still open6,405,989Form 4 · filed 1 day after the trade
2026-08-04IP FIBRE DEVICES LTDtenPercentOwnerSale12,202 @ $95.18$1.2M−0.2% of holding−21.2%not yet — horizon still open6,424,100Form 4 · filed 2 days after the trade
2026-07-31IP FIBRE DEVICES LTDtenPercentOwnerSale25,994 @ $85.76$2.2M−0.4% of holding−21.2%not yet — horizon still open6,437,308Form 4 · filed 4 days after the trade
2026-07-31SCHERBAKOV EUGENE AdirectorSale783 @ $85.72$67K−1.6% of holding−21.2%not yet — horizon still open48,951Form 4 · filed 4 days after the trade
2026-07-31IP FIBRE DEVICES LTDtenPercentOwnerSale506 @ $86.14$44K−0.0% of holding−21.2%not yet — horizon still open6,436,802Form 4 · filed 4 days after the trade
2026-07-31IP FIBRE DEVICES LTDtenPercentOwnerSale300 @ $88.59$27K−0.0% of holding−21.2%not yet — horizon still open6,436,302Form 4 · filed 4 days after the trade
2026-07-31SCHERBAKOV EUGENE AdirectorSale300 @ $87.45$26K−0.6% of holding−21.2%not yet — horizon still open48,451Form 4 · filed 4 days after the trade
2026-07-31SCHERBAKOV EUGENE AdirectorSale241 @ $88.68$21K−0.5% of holding−21.2%not yet — horizon still open48,210Form 4 · filed 4 days after the trade
2026-07-31IP FIBRE DEVICES LTDtenPercentOwnerSale200 @ $87.45$17K−0.0% of holding−21.2%not yet — horizon still open6,436,602Form 4 · filed 4 days after the trade
2026-07-31SCHERBAKOV EUGENE AdirectorSale200 @ $86.34$17K−0.4% of holding−21.2%not yet — horizon still open48,751Form 4 · filed 4 days after the trade
2026-07-21Valentin Gapontsev Trust ItenPercentOwnerSale24,347 @ $102.04$2.5M−0.4% of holding−27.0%not yet — horizon still open6,694,152Form 4 · filed 1 day after the trade
2026-07-21Valentin Gapontsev Trust ItenPercentOwnerSale23,869 @ $103.00$2.5M−0.4% of holding−27.0%not yet — horizon still open6,670,283Form 4 · filed 1 day after the trade
2026-07-21Valentin Gapontsev Trust ItenPercentOwnerSale7,100 @ $101.20$719K−0.1% of holding−27.0%not yet — horizon still open6,718,499Form 4 · filed 1 day after the trade
2026-07-21Valentin Gapontsev Trust ItenPercentOwnerSale1,000 @ $100.08$100K−0.0% of holding−27.0%not yet — horizon still open6,725,599Form 4 · filed 1 day after the trade
2026-06-29IP FIBRE DEVICES LTDtenPercentOwnerSale17,735 @ $102.09$1.8M−0.3% of holding−27.4%not yet — horizon still open6,507,021Form 4 · filed 2 days after the trade
2026-06-29IP FIBRE DEVICES LTDtenPercentOwnerSale16,406 @ $104.33$1.7M−0.3% of holding−27.4%not yet — horizon still open6,477,311Form 4 · filed 2 days after the trade
2026-06-29IP FIBRE DEVICES LTDtenPercentOwnerSale13,304 @ $103.08$1.4M−0.2% of holding−27.4%not yet — horizon still open6,493,717Form 4 · filed 2 days after the trade
2026-06-29IP FIBRE DEVICES LTDtenPercentOwnerSale11,325 @ $106.40$1.2M−0.2% of holding−27.4%not yet — horizon still open6,463,302Form 4 · filed 2 days after the trade
2026-06-29IP FIBRE DEVICES LTDtenPercentOwnerSale2,684 @ $105.37$283K−0.0% of holding−27.4%not yet — horizon still open6,474,627Form 4 · filed 2 days after the trade
2026-06-29IP FIBRE DEVICES LTDtenPercentOwnerSale2,405 @ $101.21$243K−0.0% of holding−27.4%not yet — horizon still open6,524,756Form 4 · filed 2 days after the trade
2026-06-29IP FIBRE DEVICES LTDtenPercentOwnerSale1,841 @ $100.19$184K−0.0% of holding−27.4%not yet — horizon still open6,527,161Form 4 · filed 2 days after the trade
2026-06-29Lopresti Angelo PofficerSale1,000 @ $110.33$110K−1.6% of holding−27.4%not yet — horizon still open59,841Form 4 · filed 2 days after the trade
2026-06-29SCHERBAKOV EUGENE AdirectorSale973 @ $100.43$98K−1.9% of holding−27.4%not yet — horizon still open50,285Form 4 · filed 2 days after the trade
2026-06-29SCHERBAKOV EUGENE AdirectorSale250 @ $101.24$25K−0.5% of holding−27.4%not yet — horizon still open50,035Form 4 · filed 2 days after the trade
2026-06-29SCHERBAKOV EUGENE AdirectorSale200 @ $106.66$21K−0.4% of holding−27.4%not yet — horizon still open49,734Form 4 · filed 2 days after the trade
2026-06-29SCHERBAKOV EUGENE AdirectorSale100 @ $102.92$10K−0.2% of holding−27.4%not yet — horizon still open49,935Form 4 · filed 2 days after the trade
2026-06-29SCHERBAKOV EUGENE AdirectorSale1 @ $104.63$105−0.0% of holding−27.4%not yet — horizon still open49,934Form 4 · filed 2 days after the trade
2026-06-22Agnes TangdirectorSale775 @ $117.32$91K−7.0% of holding−17.5%not yet — horizon still open10,324Form 4 · filed 1 day after the trade
2026-06-22Agnes TangdirectorSale536 @ $118.08$63K−5.2% of holding−17.5%not yet — horizon still open9,788Form 4 · filed 1 day after the trade
2026-06-22Agnes TangdirectorSale200 @ $119.32$24K−2.0% of holding−17.5%not yet — horizon still open9,588Form 4 · filed 1 day after the trade
2026-05-22Mammen Timothy PVofficerSale7,263 @ $119.60$869K−8.4% of holding−8.1%not yet — horizon still open79,150Form 4 · filed 4 days after the trade
2026-05-22Mammen Timothy PVofficerSale2,712 @ $120.37$326K−3.4% of holding−8.1%not yet — horizon still open76,438Form 4 · filed 4 days after the trade
2026-05-14Desmond Jeanmarie F.directorSale1,690 @ $105.58$178K−13.9% of holding+13.3%not yet — horizon still open10,486Form 4 · filed 1 day after the trade
2026-03-17Buttarazzi Mary E.officerSale500 @ $116.22$58K−9.5% of holding−0.4%not yet — horizon still open4,749Form 4 · filed same day
2026-02-24IP FIBRE DEVICES LTDtenPercentOwnerSale1,520 @ $137.00$208K−0.0% of holding+0.6%−51.0%6,529,002Form 4 · filed same day
2026-02-24SCHERBAKOV EUGENE AdirectorSale1,500 @ $137.13$206K−2.5% of holding+0.6%−51.0%59,495Form 4 · filed same day
2026-02-24SCHERBAKOV EUGENE AdirectorSale600 @ $139.95$84K−1.0% of holding+0.6%−51.0%58,495Form 4 · filed same day
2026-02-24SCHERBAKOV EUGENE AdirectorSale400 @ $138.33$55K−0.7% of holding+0.6%−51.0%59,095Form 4 · filed same day
2026-02-24SCHERBAKOV EUGENE AdirectorSale200 @ $135.72$27K−0.3% of holding+0.6%−51.0%60,995Form 4 · filed same day
2026-02-24IP FIBRE DEVICES LTDtenPercentOwnerSale100 @ $135.28$14K−0.0% of holding+0.6%−51.0%6,530,522Form 4 · filed same day
2026-02-23IP FIBRE DEVICES LTDtenPercentOwnerSale16,421 @ $134.35$2.2M−0.3% of holding−2.6%−53.4%6,530,742Form 4 · filed 1 day after the trade
2026-02-23IP FIBRE DEVICES LTDtenPercentOwnerSale7,994 @ $133.61$1.1M−0.1% of holding−2.6%−53.4%6,547,163Form 4 · filed 1 day after the trade
2026-02-23IP FIBRE DEVICES LTDtenPercentOwnerSale4,604 @ $132.31$609K−0.1% of holding−2.6%−53.4%6,555,157Form 4 · filed 1 day after the trade
2026-02-23IP FIBRE DEVICES LTDtenPercentOwnerSale4,241 @ $131.41$557K−0.1% of holding−2.6%−53.4%6,559,761Form 4 · filed 1 day after the trade
2026-02-23IP FIBRE DEVICES LTDtenPercentOwnerSale120 @ $134.95$16K−0.0% of holding−2.6%−53.4%6,530,622Form 4 · filed 1 day after the trade
2026-02-20IP FIBRE DEVICES LTDtenPercentOwnerSale16,422 @ $132.21$2.2M−0.2% of holding−6.1%−51.1%6,569,486Form 4 · filed 4 days after the trade
2026-02-20IP FIBRE DEVICES LTDtenPercentOwnerSale5,484 @ $132.94$729K−0.1% of holding−6.1%−51.1%6,564,002Form 4 · filed 4 days after the trade
2026-02-20IP FIBRE DEVICES LTDtenPercentOwnerSale4,461 @ $131.11$585K−0.1% of holding−6.1%−51.1%6,585,908Form 4 · filed 4 days after the trade
2026-02-20IP FIBRE DEVICES LTDtenPercentOwnerSale2,300 @ $129.93$299K−0.0% of holding−6.1%−51.1%6,590,369Form 4 · filed 4 days after the trade
2026-02-20IP FIBRE DEVICES LTDtenPercentOwnerSale500 @ $128.79$64K−0.0% of holding−6.1%−51.1%6,592,669Form 4 · filed 4 days after the trade
2026-02-17Valentin Gapontsev Trust ItenPercentOwnerSale15,882 @ $132.40$2.1M−0.2% of holding−10.4%−57.1%6,737,196Form 4 · filed 1 day after the trade
2026-02-17Valentin Gapontsev Trust ItenPercentOwnerSale8,383 @ $131.67$1.1M−0.1% of holding−10.4%−57.1%6,753,078Form 4 · filed 1 day after the trade

The vs-S&P columns are a labeled look-back on what the stock did after each filing, measured against the index over the same window. Descriptive history, not a claim about the person or a reason to trade.

61 award / exercise / gift records — not counted as purchases

Awards, option exercises, gifts and tax-withholding disposals are shown separately and never counted as open-market purchases or sales — they carry no conviction information.

DatePersonRoleActionSharesOwned afterFiling
2026-08-08Bucher PaulusofficerWithheld for tax6636,053Form 4
2026-06-05Gitin Mark MiltondirectorWithheld for tax4,64187,232Form 4
2026-05-12Dougherty GregdirectorAward / grant2,43618,334Form 4
2026-05-12Samartsev IgorofficerAward / grant2,436115,701Form 4
2026-05-12Beecher Gregory RdirectorAward / grant2,43612,216Form 4
2026-05-12Agnes TangdirectorAward / grant2,43611,099Form 4
2026-05-12Meurice EricdirectorAward / grant2,43625,239Form 4
2026-05-12Desmond Jeanmarie F.directorAward / grant2,43612,176Form 4
2026-05-12PEELER JOHN RdirectorAward / grant2,43618,176Form 4
2026-05-12KENNEDY KOLLEEN TdirectorAward / grant2,43611,513Form 4
2026-03-01Gitin Mark MiltondirectorWithheld for tax7,60391,873Form 4
2026-03-01SCHERBAKOV EUGENE AdirectorWithheld for tax7,23751,258Form 4
2026-03-01Mammen Timothy PVofficerWithheld for tax4,31086,413Form 4
2026-03-01Lopresti Angelo PofficerWithheld for tax3,84860,841Form 4
2026-03-01Ness TrevorofficerWithheld for tax3,40238,425Form 4
2026-03-01Samartsev IgorofficerWithheld for tax83610,449Form 4
2026-03-01Buttarazzi Mary E.officerWithheld for tax4355,249Form 4
2026-02-18Buttarazzi Mary E.officerAward / grant1,7895,684Form 4
2026-02-18Mammen Timothy PVofficerAward / grant6,14690,723Form 4
2026-02-18Samartsev IgorofficerAward / grant1,6881,688Form 4
2026-02-18Ness TrevorofficerAward / grant4,62141,827Form 4
2026-02-18Gitin Mark MiltondirectorAward / grant19,88799,476Form 4
2026-02-18Lopresti Angelo PofficerAward / grant4,46564,689Form 4
2026-02-18Bucher PaulusofficerAward / grant2,5316,716Form 4
2026-02-17Samartsev IgorofficerOption exercise3,3639,597Form 4
2026-02-17Samartsev IgorofficerOption exercise3,3630Form 4
2026-02-13SCHERBAKOV EUGENE AdirectorWithheld for tax5,72761,195Form 4
2026-02-13SCHERBAKOV EUGENE AdirectorOption exercise7,59266,922Form 4
2026-02-13SCHERBAKOV EUGENE AdirectorOption exercise7,5920Form 4
2026-02-12Lopresti Angelo PofficerWithheld for tax4,02260,224Form 4
2026-02-12Lopresti Angelo PofficerOption exercise5,86164,246Form 4
2026-02-12Lopresti Angelo PofficerOption exercise5,8610Form 4
2026-02-02Meurice EricdirectorOption exercise75023,553Form 4
2026-02-02Meurice EricdirectorOption exercise7500Form 4
2025-11-06Meurice EricdirectorOption exercise75023,553Form 4
2025-11-06Meurice EricdirectorOption exercise750750Form 4
2025-10-07Meurice EricdirectorOption exercise1,50224,305Form 4
2025-10-07Meurice EricdirectorOption exercise1,5021,500Form 4
2025-08-08Bucher PaulusofficerAward / grant4,1854,185Form 4
2025-06-05Gitin Mark MiltondirectorWithheld for tax4,64179,242Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Across 2012–2021, stocks where a CEO, C-suite officer, or director had recently made an open-market common-stock purchase ran about +28 bp per month above the universe average (n=34,268 stock-weeks). A historical tendency, not a prediction.

Congressional disclosures iStock trades disclosed by members of Congress for this company, by the date they were filed.iDisclosures shown as facts. A purchase “cluster” (≥2 members of Congress filing a buy within 90 days) has historically preceded modestly higher forward returns — and it persisted out-of-sample, though it roughly halved after 2021 (see below). A descriptive historical tendency, not a signal to trade and not used in our forecast. See /methodology.

As of 2026-09-16 · point-in-time by filed date

Purchase clusters · 2015–2021 (dev)+45 bp/mo vs baseline · up-rate 59.3% vs 57.3% · n=31,607 cluster ticker-weeks
Purchase clusters · 2022–2026 (out-of-sample)+32 bp/mo vs baseline · up-rate 54.0% vs 53.3% · n=27,793

A cluster = ≥2 members of Congress filing a purchase within 90 days. The historical tilt persisted after 2021 but roughly halved (+45 → +32 bp/mo forward 1-month vs the S&P 500 weekly-grid baseline). Descriptive historical tendency — not a signal to trade, and not used in our forecast (audition-log 2026-07-27, recomputed 2026-09-08).

MemberChamberTypeFiledTradedSize
Ro KhannaHousesale2022-06-102022-05-23$1–15K
Ro KhannaHousepurchase2022-06-102022-06-02$1–15K
Thomas SuozziHousesale2021-09-232021-06-03$1–15K
Thomas SuozziHousepurchase2021-09-232021-04-15$1–15K
Ro KhannaHousepurchase2019-09-112019-08-12$1–15K
Dean PhillipsHousesale2019-02-182019-01-04$1–15K
Ro KhannaHousesale2018-12-102018-11-13$1–15K
Ro KhannaHousepurchase2018-11-092018-10-25$1–15K
Michael T. McCaulHousesale2018-10-302018-09-26$50–100K
Michael T. McCaulHousesale2018-10-302018-09-26$50–100K
Michael T. McCaulHousesale2018-10-302018-09-27$50–100K
Michael T. McCaulHousesale2018-10-302018-09-27$50–100K
Michael T. McCaulHousesale2018-10-302018-09-28$50–100K
Michael T. McCaulHousesale2018-10-302018-09-28$15–50K

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.