ANABAnaptysBio, Inc.Healthcare · Biotechnologyas of 2026-09-16
Horizon

Issued 2026-09-16 at $54.31 · now $54.31 (2026-09-16, +0.0% since)

Based on its own history, a month from the 2026-09-16 close, ANAB has typically landed between $42.89 and $71.32 — a range of −21.0% to +31.3% from the issuance price $54.31.

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

2,400 overlapping 1 month windows · 2017-01-262026-08-17 · 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 ($54.31) — 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 ANAB has typically landed a month from the 2026-09-16 close of $54.31 — the range is history, not a prediction.

$42.89worst · -21.0%$71.32best · +31.3%
  • now $54.31 (+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). $55.37 (+2.0%)
  • middle 50%The central range of outcomes — half of similar past periods landed inside it, a quarter finished above, a quarter below. $49.4$61.34
  • 90% rangeA nine-in-ten range — in about nine of every ten similar past periods the outcome stayed within these bounds. $42.89$71.32
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 2,400 windows spanning 2017-01-26 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
2019-10-17−70.3%−72.2%+4.5%
2019-10-10−70.2%−70.2%+11.8%
2019-10-18−70.2%−72.0%+5.2%
3 best
2017-09-12+120.7%−2.0%+120.7%
2017-09-11+115.9%−2.9%+115.9%
2017-09-13+113.4%−3.5%+117.2%

2,400 overlapping windows · 2017-01-262026-09-16 · 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 ~10 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
56%
+3.8%
n=9
Feb
80%
+8.9%
n=10
Mar
40%
−5.5%
n=10
Apr
50%
+10.0%
n=10
May
40%
−4.1%
n=10
Jun
60%
+2.7%
n=10
Jul
50%
+0.5%
n=10
Aug
60%
+2.1%
n=10
Sep
50%
+5.0%
n=10
Oct
67%
+20.1%
n=9
Nov
33%
−4.4%
n=9
Dec
67%
+5.5%
n=9

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$70$132026-03-30: 3 insider sales, $1.2M — Schmid John P. …2026-03-27: 10 insider sales, $1.1M — Faga Daniel …2026-02-11: 1 insider sale, $540K — LOUMEAU ERIC J2026-01-15: 2 insider sales, $531K — Marquet Magda …2026-01-08: 4 insider sales, $1.0M — Faga Daniel, Lizzul Paul F., MULROY DENNIS, LOUMEAU ERIC J2026-01-07: 7 insider sales, $1.0M — Faga Daniel, LOUMEAU ERIC J, Lizzul Paul F., MULROY DENNIS …2026-01-05: 4 insider sales, $1.1M — Faga Daniel, Lizzul Paul F., MULROY DENNIS, LOUMEAU ERIC J2025-12-23: 1 insider sale, $193K — Ware J. Anthony2025-12-22: 3 insider sales, $1.1M — LOUMEAU ERIC J, MULROY DENNIS, Lizzul Paul F.2025-12-18: 1 insider sale, $7K — LOUMEAU ERIC J2025-12-17: 1 insider sale, $460K — LOUMEAU ERIC J2025-12-16: 4 insider sales, $1.3M — MULROY DENNIS, LOUMEAU ERIC J …2025-09-30: 1 insider sale, $239K — LOUMEAU ERIC J2025-08: 2 open-market sales, $201K2025-09: 1 open-market sale, $239K2025-12: 10 open-market sales, $3.0M2026-01: 17 open-market sales, $3.7M2026-02: 1 open-market sale, $540K2026-03: 13 open-market sales, $2.2M↑ buys↓ salesdirector Schmid John P. — Sale on 2026-03-30, filed 2 days after the tradedirector Schmid John P. — Sale on 2026-03-30, filed 2 days after the tradedirector Schmid John P. — Sale on 2026-03-30, filed 2 days after the tradedirector Faga Daniel — Sale on 2026-03-27, filed same daydirector Faga Daniel — Sale on 2026-03-27, filed same daydirector Faga Daniel — Sale on 2026-03-27, filed same daydirector Faga Daniel — Sale on 2026-03-27, filed same daydirector Faga Daniel — Sale on 2026-03-27, filed same daydirector Faga Daniel — Sale on 2026-03-27, filed same daydirector Faga Daniel — Sale on 2026-03-27, filed same daydirector Faga Daniel — Sale on 2026-03-27, filed same daydirector Faga Daniel — Sale on 2026-03-27, filed same daydirector Faga Daniel — Sale on 2026-03-27, filed same dayofficer LOUMEAU ERIC J — Sale on 2026-02-11, filed 2 days after the tradedirector Marquet Magda — Sale on 2026-01-15, filed 1 day after the tradedirector Marquet Magda — Sale on 2026-01-15, filed 1 day after the tradedirector Faga Daniel — Sale on 2026-01-08, filed 1 day after the tradeofficer Lizzul Paul F. — Sale on 2026-01-08, filed 1 day after the tradeofficer MULROY DENNIS — Sale on 2026-01-08, filed 1 day after the tradeofficer LOUMEAU ERIC J — Sale on 2026-01-08, filed 1 day after the tradedirector Faga Daniel — Sale on 2026-01-07, filed 1 day after the tradeofficer LOUMEAU ERIC J — Sale on 2026-01-07, filed 1 day after the tradeofficer Lizzul Paul F. — Sale on 2026-01-07, filed 1 day after the tradeofficer LOUMEAU ERIC J — Sale on 2026-01-07, filed 1 day after the tradeofficer MULROY DENNIS — Sale on 2026-01-07, filed 1 day after the tradeofficer LOUMEAU ERIC J — Sale on 2026-01-07, filed 1 day after the tradeofficer LOUMEAU ERIC J — Sale on 2026-01-07, filed 1 day after the tradedirector Faga Daniel — Sale on 2026-01-05, filed 1 day after the tradeofficer Lizzul Paul F. — Sale on 2026-01-05, filed 1 day after the tradeofficer MULROY DENNIS — Sale on 2026-01-05, filed 1 day after the tradeofficer LOUMEAU ERIC J — Sale on 2026-01-05, filed 1 day after the tradedirector Ware J. Anthony — Sale on 2025-12-23, filed same dayofficer LOUMEAU ERIC J — Sale on 2025-12-22, filed 1 day after the tradeofficer MULROY DENNIS — Sale on 2025-12-22, filed 1 day after the tradeofficer Lizzul Paul F. — Sale on 2025-12-22, filed 1 day after the tradeofficer LOUMEAU ERIC J — Sale on 2025-12-18, filed same dayofficer LOUMEAU ERIC J — Sale on 2025-12-17, filed 1 day after the tradeofficer MULROY DENNIS — Sale on 2025-12-16, filed 2 days after the tradeofficer LOUMEAU ERIC J — Sale on 2025-12-16, filed 2 days after the tradeofficer MULROY DENNIS — Sale on 2025-12-16, filed 2 days after the tradeofficer LOUMEAU ERIC J — Sale on 2025-12-16, filed 2 days after the tradeofficer LOUMEAU ERIC J — Sale on 2025-09-30, filed 1 day after the trade
DatePersonRoleActionShares @ priceValueOwnership Δvs S&P 1mvs S&P 6mOwned afterFiling
2026-03-30Schmid John P.directorSale12,596 @ $55.71$702K−24.1% of holding+56.3%not yet — horizon still open39,671Form 4 · filed 2 days after the trade
2026-03-30Schmid John P.directorSale7,527 @ $56.70$427K−19.0% of holding+56.3%not yet — horizon still open32,144Form 4 · filed 2 days after the trade
2026-03-30Schmid John P.directorSale522 @ $57.40$30K−1.6% of holding+56.3%not yet — horizon still open31,622Form 4 · filed 2 days after the trade
2026-03-27Faga DanieldirectorSale3,662 @ $58.62$215K−0.7% of holding+60.6%not yet — horizon still open506,902Form 4 · filed same day
2026-03-27Faga DanieldirectorSale3,155 @ $64.19$203K−0.6% of holding+60.6%not yet — horizon still open499,103Form 4 · filed same day
2026-03-27Faga DanieldirectorSale3,038 @ $65.20$198K−0.6% of holding+60.6%not yet — horizon still open496,065Form 4 · filed same day
2026-03-27Faga DanieldirectorSale2,592 @ $63.35$164K−0.5% of holding+60.6%not yet — horizon still open502,258Form 4 · filed same day
2026-03-27Faga DanieldirectorSale2,570 @ $57.91$149K−0.5% of holding+60.6%not yet — horizon still open510,564Form 4 · filed same day
2026-03-27Faga DanieldirectorSale1,012 @ $62.15$63K−0.2% of holding+60.6%not yet — horizon still open504,850Form 4 · filed same day
2026-03-27Faga DanieldirectorSale550 @ $60.63$33K−0.1% of holding+60.6%not yet — horizon still open505,862Form 4 · filed same day
2026-03-27Faga DanieldirectorSale490 @ $59.62$29K−0.1% of holding+60.6%not yet — horizon still open506,412Form 4 · filed same day
2026-03-27Faga DanieldirectorSale510 @ $56.61$29K−0.1% of holding+60.6%not yet — horizon still open513,134Form 4 · filed same day
2026-03-27Faga DanieldirectorSale100 @ $65.99$7K−0.0% of holding+60.6%not yet — horizon still open495,965Form 4 · filed same day
2026-02-11LOUMEAU ERIC JofficerSale10,000 @ $54.00$540K−43.8% of holding+21.6%+39.1%12,835Form 4 · filed 2 days after the trade
2026-01-15Marquet MagdadirectorSale9,290 @ $48.12$447K−44.4% of holding+17.3%+55.1%11,640Form 4 · filed 1 day after the trade
2026-01-15Marquet MagdadirectorSale1,710 @ $48.85$84K−14.7% of holding+17.3%+55.1%9,930Form 4 · filed 1 day after the trade
2026-01-08Faga DanieldirectorSale14,281 @ $44.71$639K−2.9% of holding+13.4%+129.8%479,344Form 4 · filed 1 day after the trade
2026-01-08Lizzul Paul F.officerSale3,650 @ $44.71$163K−8.0% of holding+13.4%+129.8%42,088Form 4 · filed 1 day after the trade
2026-01-08MULROY DENNISofficerSale2,515 @ $44.71$112K−10.3% of holding+13.4%+129.8%21,852Form 4 · filed 1 day after the trade
2026-01-08LOUMEAU ERIC JofficerSale2,210 @ $44.71$99K−14.7% of holding+13.4%+129.8%12,835Form 4 · filed 1 day after the trade
2026-01-07Faga DanieldirectorSale9,202 @ $45.11$415K−1.9% of holding+9.8%+110.2%466,787Form 4 · filed 1 day after the trade
2026-01-07LOUMEAU ERIC JofficerSale5,281 @ $45.38$240K−31.5% of holding+9.8%+110.2%11,498Form 4 · filed 1 day after the trade
2026-01-07Lizzul Paul F.officerSale2,235 @ $45.11$101K−5.7% of holding+9.8%+110.2%37,213Form 4 · filed 1 day after the trade
2026-01-07LOUMEAU ERIC JofficerSale2,017 @ $45.11$91K−10.7% of holding+9.8%+110.2%16,779Form 4 · filed 1 day after the trade
2026-01-07MULROY DENNISofficerSale1,908 @ $45.11$86K−9.7% of holding+9.8%+110.2%17,667Form 4 · filed 1 day after the trade
2026-01-07LOUMEAU ERIC JofficerSale1,841 @ $46.13$85K−16.0% of holding+9.8%+110.2%9,657Form 4 · filed 1 day after the trade
2026-01-07LOUMEAU ERIC JofficerSale500 @ $47.23$24K−5.2% of holding+9.8%+110.2%9,157Form 4 · filed 1 day after the trade
2026-01-05Faga DanieldirectorSale15,309 @ $43.26$662K−3.2% of holding+12.2%+117.9%458,139Form 4 · filed 1 day after the trade
2026-01-05Lizzul Paul F.officerSale4,219 @ $43.26$183K−11.2% of holding+12.2%+117.9%33,303Form 4 · filed 1 day after the trade
2026-01-05MULROY DENNISofficerSale3,363 @ $43.26$145K−19.0% of holding+12.2%+117.9%14,330Form 4 · filed 1 day after the trade
2026-01-05LOUMEAU ERIC JofficerSale2,983 @ $43.26$129K−18.4% of holding+12.2%+117.9%13,251Form 4 · filed 1 day after the trade
2025-12-23Ware J. AnthonydirectorSale3,900 @ $49.58$193K−28.8% of holding−6.5%+82.8%9,630Form 4 · filed same day
2025-12-22LOUMEAU ERIC JofficerSale10,000 @ $51.00$510K−52.8% of holding−6.2%+70.1%8,947Form 4 · filed 1 day after the trade
2025-12-22MULROY DENNISofficerSale10,000 @ $50.00$500K−51.5% of holding−6.2%+70.1%9,401Form 4 · filed 1 day after the trade
2025-12-22Lizzul Paul F.officerSale1,500 @ $50.00$75K−5.3% of holding−6.2%+70.1%26,967Form 4 · filed 1 day after the trade
2025-12-18LOUMEAU ERIC JofficerSale141 @ $46.99$7K−1.6% of holding−3.4%+78.2%8,947Form 4 · filed same day
2025-12-17LOUMEAU ERIC JofficerSale10,000 @ $46.00$460K−52.4% of holding−0.1%+85.2%9,088Form 4 · filed 1 day after the trade
2025-12-16MULROY DENNISofficerSale9,365 @ $44.62$418K−37.3% of holding−0.8%+80.7%15,761Form 4 · filed 2 days after the trade
2025-12-16LOUMEAU ERIC JofficerSale8,305 @ $44.68$371K−38.5% of holding−0.8%+80.7%13,283Form 4 · filed 2 days after the trade
2025-12-16MULROY DENNISofficerSale6,360 @ $45.21$288K−40.4% of holding−0.8%+80.7%9,401Form 4 · filed 2 days after the trade
2025-12-16LOUMEAU ERIC JofficerSale4,195 @ $45.24$190K−31.6% of holding−0.8%+80.7%9,088Form 4 · filed 2 days after the trade
2025-09-30LOUMEAU ERIC JofficerSale8,240 @ $29.00$239K−47.6% of holding+14.8%+86.3%9,088Form 4 · filed 1 day after the trade
2025-08-08RENTON HOLLINGSdirectorSale7,121 @ $19.70$140K−58.9% of holding+3.1%+128.0%4,965Form 4 · filed 4 days after the trade
2025-08-08RENTON HOLLINGSdirectorSale3,110 @ $19.44$60K−20.5% of holding+3.1%+128.0%12,086Form 4 · filed 4 days after the trade
2025-07-02RENTON HOLLINGSdirectorSale13,675 @ $23.82$326K−73.4% of holding+3.2%+92.5%4,965Form 4 · filed 1 day after the trade
2025-07-02RENTON HOLLINGSdirectorSale7,250 @ $23.09$167K−28.0% of holding+3.2%+92.5%18,640Form 4 · filed 1 day after the trade
2025-06-18RENTON HOLLINGSdirectorSale3,015 @ $23.97$72K−37.8% of holding+6.4%+82.4%4,965Form 4 · filed 2 days after the trade
2025-06-18FENTON DENNIS MdirectorSale3,015 @ $23.97$72K−37.8% of holding+6.4%+82.4%4,965Form 4 · filed 2 days after the trade
2025-01-02EcoR1 Capital, LLCdirectorPurchase6,646 @ $12.95$86K+0.1% of holding+20.6%+74.7%7,880,094Form 4 · filed same day
2024-12-31EcoR1 Capital, LLCdirectorPurchase13,268 @ $12.93$172K+0.2% of holding+23.8%+70.5%7,873,448Form 4 · filed 2 days after the trade
2024-12-30EcoR1 Capital, LLCdirectorPurchase65,184 @ $12.92$842K+0.8% of holding+33.3%+72.7%7,860,180Form 4 · filed 3 days 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.

220 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
2026-06-15Schmid John P.directorOption exercise6,03037,652Form 4
2026-06-15Schmid John P.directorOption exercise6,0300Form 4
2026-06-15RENTON HOLLINGSdirectorOption exercise6,03010,995Form 4
2026-06-15RENTON HOLLINGSdirectorOption exercise6,0300Form 4
2026-06-15Orwin John AdirectorOption exercise6,03016,695Form 4
2026-06-15Orwin John AdirectorOption exercise6,0300Form 4
2026-05-11Hughes OwendirectorAward / grant11,25011,250Form 4
2026-05-11Murphy Christopher M.officerAward / grant25,76525,765Form 4
2026-04-27GRAY SUSANNAHdirectorAward / grant11,25011,250Form 4
2026-04-20Schmid John P.directorDisposition10,60010,600Form 4
2026-04-20Schmid John P.directorDisposition15,00015,000Form 4
2026-04-20Schmid John P.directorAward / grant15,00015,000Form 4
2026-04-20Schmid John P.directorDisposition6,0006,000Form 4
2026-04-20Schmid John P.directorAward / grant6,0006,000Form 4
2026-04-20Schmid John P.directorDisposition11,00011,000Form 4
2026-04-20Schmid John P.directorAward / grant11,00011,000Form 4
2026-04-20Schmid John P.directorDisposition9,2009,200Form 4
2026-04-20Schmid John P.directorAward / grant9,2009,200Form 4
2026-04-20RENTON HOLLINGSdirectorAward / grant10,60010,600Form 4
2026-04-20RENTON HOLLINGSdirectorDisposition16,51016,510Form 4
2026-04-20RENTON HOLLINGSdirectorAward / grant16,51016,510Form 4
2026-04-20RENTON HOLLINGSdirectorDisposition5,5005,500Form 4
2026-04-20RENTON HOLLINGSdirectorAward / grant5,5005,500Form 4
2026-04-20Faga DanieldirectorDisposition11,00016,510Form 4
2026-04-20Faga DanieldirectorAward / grant11,00011,000Form 4
2026-04-20Faga DanieldirectorDisposition2,3212,321Form 4
2026-04-20Faga DanieldirectorAward / grant2,3212,321Form 4
2026-04-20Faga DanieldirectorDisposition9,2009,200Form 4
2026-04-20Faga DanieldirectorAward / grant9,2009,200Form 4
2026-04-20Faga DanieldirectorAward / grant194,900194,900Form 4
2026-04-20Faga DanieldirectorDisposition379,620379,620Form 4
2026-04-20Faga DanieldirectorAward / grant379,620379,620Form 4
2026-04-20Faga DanieldirectorDisposition305,500305,500Form 4
2026-04-20Faga DanieldirectorAward / grant305,500305,500Form 4
2026-04-20Faga DanieldirectorDisposition133,400133,400Form 4
2026-04-20Faga DanieldirectorAward / grant133,400133,400Form 4
2026-04-20Faga DanieldirectorDisposition194,900194,900Form 4
2026-04-20Schmid John P.directorAward / grant10,60010,600Form 4
2026-04-20Schmid John P.directorDisposition16,51016,510Form 4
2026-04-20Schmid John P.directorAward / grant16,51016,510Form 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

No congressional trades disclosed for this company.

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