Issued 2026-09-16 at $9.92 · now $9.92 (2026-09-16, +0.0% since)
Based on its own history, a month from the 2026-09-16 close, MASS has typically landed between $7.01 and $14.01 — a range of −29.3% to +41.3% from the issuance price $9.92.
- Actual close
- Typical path (median)
- Middle 50% of outcomes
- 90% range
1,419 overlapping 1 month windows · 2020-12-18 – 2026-08-17 · basis climatology · forecast (batch). Probability up 53.9% (90% CI 51.7–56.1%, ≈1,408 obs).
The cone is anchored at the 2026-09-16 issuance close ($9.92) — 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 MASS has typically landed a month from the 2026-09-16 close of $9.92 — the range is history, not a prediction.
- now $9.92 (+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). $9.52 (-4.0%)
- middle 50%The central range of outcomes — half of similar past periods landed inside it, a quarter finished above, a quarter below. $8.13–$10.91
- 90% rangeA nine-in-ten range — in about nine of every ten similar past periods the outcome stayed within these bounds. $7.01–$14.01
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 1,419 windows spanning 2020-12-18 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.
| Start | Return | Max drop | Max rise |
|---|---|---|---|
| 3 worst | |||
| 2021-12-28 | −46.8% | −46.8% | +6.1% |
| 2021-12-23 | −45.7% | −45.7% | +0.0% |
| 2022-11-10 | −45.2% | −45.2% | +6.7% |
| 3 best | |||
| 2025-02-27 | +116.4% | −4.3% | +121.3% |
| 2025-03-03 | +97.0% | +0.0% | +131.3% |
| 2025-02-07 | +89.0% | −16.1% | +89.0% |
1,419 overlapping windows · 2020-12-18 – 2026-09-16 · 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 ~6 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
50%
−3.8%
n=6
Feb
50%
+0.2%
n=6
Mar
50%
+15.4%
n=6
Apr
50%
−1.7%
n=6
May
67%
+4.2%
n=6
Jun
50%
+4.9%
n=6
Jul
50%
−2.4%
n=6
Aug
50%
+1.0%
n=6
Sep
17%
−2.4%
n=6
Oct
20%
−6.2%
n=5
Nov
20%
−11.8%
n=5
Dec
40%
−3.4%
n=5
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.
| Date | Person | Role | Action | Shares @ price | Value | Ownership Δ | vs S&P 1m | vs S&P 6m | Owned after | Filing |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-09-02 | Brown Christopher D. | director | Sale | 30,000 @ $10.58 | $317K | −3.7% of holding | not yet — horizon still open | not yet — horizon still open | 775,559 | Form 4 · filed 2 days after the trade |
| 2026-08-25 | Griffith Joseph H. IV | officer | Sale | 11,459 @ $10.95 | $125K | −8.6% of holding | not yet — horizon still open | not yet — horizon still open | 121,497 | Form 4 · filed 2 days after the trade |
| 2026-08-21 | AWM Investment Company, Inc. | tenPercentOwner | Sale | 41,578 @ $10.61 | $441K | −0.9% of holding | not yet — horizon still open | not yet — horizon still open | 4,779,773 | Form 4 · filed 3 days after the trade |
| 2026-08-20 | AWM Investment Company, Inc. | tenPercentOwner | Sale | 8,422 @ $10.52 | $89K | −0.2% of holding | not yet — horizon still open | not yet — horizon still open | 4,821,351 | Form 4 · filed 4 days after the trade |
| 2026-08-17 | Knopp Kevin J. | director | Sale | 20,000 @ $10.35 | $207K | −3.5% of holding | −0.2% | not yet — horizon still open | 555,968 | Form 4 · filed same day |
| 2026-08-13 | Knopp Kevin J. | director | Sale | 7,622 @ $10.06 | $77K | −1.3% of holding | −1.6% | not yet — horizon still open | 575,968 | Form 4 · filed 4 days after the trade |
| 2026-08-12 | Knopp Kevin J. | director | Sale | 2,747 @ $10.07 | $28K | −0.5% of holding | −3.9% | not yet — horizon still open | 583,590 | Form 4 · filed same day |
| 2026-08-11 | Knopp Kevin J. | director | Sale | 115,748 @ $9.83 | $1.1M | −15.8% of holding | −4.9% | not yet — horizon still open | 616,507 | Form 4 · filed 1 day after the trade |
| 2026-08-11 | Knopp Kevin J. | director | Sale | 30,170 @ $10.16 | $307K | −4.9% of holding | −4.9% | not yet — horizon still open | 586,337 | Form 4 · filed 1 day after the trade |
| 2026-08-11 | Brown Christopher D. | director | Sale | 8,358 @ $9.23 | $77K | −1.0% of holding | −4.9% | not yet — horizon still open | 805,559 | Form 4 · filed 1 day after the trade |
| 2026-08-10 | Brown Christopher D. | director | Sale | 9,442 @ $9.03 | $85K | −1.1% of holding | +11.5% | not yet — horizon still open | 813,917 | Form 4 · filed 2 days after the trade |
| 2026-08-10 | Knopp Kevin J. | director | Sale | 348 @ $9.06 | $3K | −0.0% of holding | +11.5% | not yet — horizon still open | 732,255 | Form 4 · filed 2 days after the trade |
| 2026-08-05 | Brown Christopher D. | director | Sale | 20,000 @ $8.49 | $170K | −2.4% of holding | +18.9% | not yet — horizon still open | 823,359 | Form 4 · filed 2 days after the trade |
| 2026-08-04 | AWM Investment Company, Inc. | tenPercentOwner | Sale | 50,000 @ $8.36 | $418K | −1.0% of holding | +23.0% | not yet — horizon still open | 4,829,773 | Form 4 · filed 2 days after the trade |
| 2026-07-02 | Brown Christopher D. | director | Sale | 2,200 @ $9.02 | $20K | −0.3% of holding | −4.8% | not yet — horizon still open | 843,359 | Form 4 · filed 5 days after the trade |
| 2026-07-02 | Knopp Kevin J. | director | Sale | 222 @ $9.07 | $2K | −0.0% of holding | −4.8% | not yet — horizon still open | 732,603 | Form 4 · filed 5 days after the trade |
| 2026-06-30 | Brown Christopher D. | director | Sale | 20,000 @ $8.84 | $177K | −2.3% of holding | −11.5% | not yet — horizon still open | 845,559 | Form 4 · filed 2 days after the trade |
| 2026-06-26 | Knopp Kevin J. | director | Sale | 2,798 @ $9.09 | $25K | −0.4% of holding | −21.6% | not yet — horizon still open | 732,825 | Form 4 · filed 4 days after the trade |
| 2026-06-25 | Knopp Kevin J. | director | Sale | 16,388 @ $9.10 | $149K | −2.2% of holding | −21.3% | not yet — horizon still open | 735,623 | Form 4 · filed same day |
| 2026-06-24 | Knopp Kevin J. | director | Sale | 40,535 @ $9.14 | $370K | −5.1% of holding | −21.2% | not yet — horizon still open | 752,011 | Form 4 · filed 1 day after the trade |
| 2026-06-23 | Brown Christopher D. | director | Sale | 9,900 @ $9.04 | $89K | −1.1% of holding | −19.2% | not yet — horizon still open | 865,559 | Form 4 · filed 2 days after the trade |
| 2026-06-23 | Knopp Kevin J. | director | Sale | 3,422 @ $9.06 | $31K | −0.4% of holding | −19.2% | not yet — horizon still open | 792,546 | Form 4 · filed 2 days after the trade |
| 2026-06-23 | AWM Investment Company, Inc. | tenPercentOwner | Sale | 3,050 @ $9.00 | $27K | −0.1% of holding | −19.2% | not yet — horizon still open | 4,879,773 | Form 4 · filed 1 day after the trade |
| 2026-06-22 | AWM Investment Company, Inc. | tenPercentOwner | Sale | 4,668 @ $8.99 | $42K | −0.1% of holding | −16.8% | not yet — horizon still open | 4,882,823 | Form 4 · filed 2 days after the trade |
| 2026-06-04 | AWM Investment Company, Inc. | tenPercentOwner | Sale | 39,782 @ $8.97 | $357K | −0.8% of holding | −7.5% | not yet — horizon still open | 4,887,491 | Form 4 · filed same day |
| 2026-06-04 | Brown Christopher D. | director | Sale | 100 @ $9.00 | $900 | −0.0% of holding | −7.5% | not yet — horizon still open | 875,459 | Form 4 · filed 1 day after the trade |
| 2026-06-03 | Brown Christopher D. | director | Sale | 20,000 @ $8.73 | $175K | −2.2% of holding | −2.6% | not yet — horizon still open | 875,559 | Form 4 · filed 1 day after the trade |
| 2026-06-02 | AWM Investment Company, Inc. | tenPercentOwner | Sale | 2,500 @ $8.95 | $22K | −0.1% of holding | −0.1% | not yet — horizon still open | 4,927,273 | Form 4 · filed 2 days after the trade |
| 2026-05-28 | AWM Investment Company, Inc. | tenPercentOwner | Sale | 170,442 @ $8.66 | $1.5M | −3.3% of holding | +0.2% | not yet — horizon still open | 4,929,773 | Form 4 · filed 1 day after the trade |
| 2026-05-28 | Brown Christopher D. | director | Sale | 30,000 @ $9.00 | $270K | −3.2% of holding | +0.2% | not yet — horizon still open | 895,559 | Form 4 · filed 1 day after the trade |
| 2026-05-28 | Griffith Joseph H. IV | officer | Sale | 6,940 @ $9.03 | $63K | −5.0% of holding | +0.2% | not yet — horizon still open | 132,956 | Form 4 · filed 1 day after the trade |
| 2026-05-27 | AWM Investment Company, Inc. | tenPercentOwner | Sale | 15,000 @ $8.25 | $124K | −0.3% of holding | +10.2% | not yet — horizon still open | 5,100,215 | Form 4 · filed 2 days after the trade |
| 2026-05-27 | AWM Investment Company, Inc. | tenPercentOwner | Sale | 1,500 @ $8.25 | $12K | −0.0% of holding | +10.2% | not yet — horizon still open | 5,115,215 | Form 4 · filed 2 days after the trade |
| 2026-05-11 | AWM Investment Company, Inc. | tenPercentOwner | Sale | 5,000 @ $8.25 | $41K | −0.1% of holding | +2.9% | not yet — horizon still open | 5,116,715 | Form 4 · filed 2 days after the trade |
| 2026-05-08 | Kenneweg John | officer | Sale | 18,255 @ $8.11 | $148K | −24.0% of holding | −2.1% | not yet — horizon still open | 57,784 | Form 4 · filed 3 days after the trade |
| 2026-05-08 | AWM Investment Company, Inc. | tenPercentOwner | Sale | 3,025 @ $8.20 | $25K | −0.1% of holding | −2.1% | not yet — horizon still open | 5,121,715 | Form 4 · filed same day |
| 2026-05-07 | AWM Investment Company, Inc. | tenPercentOwner | Sale | 12,819 @ $8.20 | $105K | −0.2% of holding | −0.8% | not yet — horizon still open | 5,124,740 | Form 4 · filed 1 day after the trade |
| 2026-05-06 | AWM Investment Company, Inc. | tenPercentOwner | Sale | 57,365 @ $8.06 | $462K | −1.1% of holding | −2.1% | not yet — horizon still open | 5,137,559 | Form 4 · filed 2 days after the trade |
| 2026-05-06 | Brown Christopher D. | director | Sale | 20,000 @ $7.23 | $145K | −2.1% of holding | −2.1% | not yet — horizon still open | 925,559 | Form 4 · filed 1 day after the trade |
| 2026-05-06 | AWM Investment Company, Inc. | tenPercentOwner | Sale | 5,000 @ $8.00 | $40K | −0.1% of holding | −2.1% | not yet — horizon still open | 5,194,924 | Form 4 · filed 2 days after the trade |
| 2026-05-01 | Kenneweg John | officer | Sale | 7,787 @ $6.83 | $53K | −9.3% of holding | +24.6% | not yet — horizon still open | 76,039 | Form 4 · filed 3 days after the trade |
| 2026-04-10 | Brown Christopher D. | director | Sale | 17,578 @ $7.07 | $124K | −1.8% of holding | +2.3% | not yet — horizon still open | 945,559 | Form 4 · filed same day |
| 2026-04-10 | McCallion Kevin J. | officer | Sale | 2,693 @ $7.01 | $19K | −5.7% of holding | +2.3% | not yet — horizon still open | 44,925 | Form 4 · filed 4 days after the trade |
| 2026-04-09 | Brown Christopher D. | director | Sale | 7,392 @ $7.04 | $52K | −0.8% of holding | +8.9% | not yet — horizon still open | 963,137 | Form 4 · filed 1 day after the trade |
| 2026-04-09 | McCallion Kevin J. | officer | Sale | 5,420 @ $7.03 | $38K | −10.8% of holding | +8.9% | not yet — horizon still open | 44,925 | Form 4 · filed 1 day after the trade |
| 2026-04-08 | McCallion Kevin J. | officer | Sale | 18,580 @ $7.05 | $131K | −29.3% of holding | +6.7% | not yet — horizon still open | 44,925 | Form 4 · filed 2 days after the trade |
| 2026-04-08 | Brown Christopher D. | director | Sale | 15,030 @ $7.05 | $106K | −1.5% of holding | +6.7% | not yet — horizon still open | 970,529 | Form 4 · filed 2 days after the trade |
| 2026-03-02 | McCallion Kevin J. | officer | Sale | 7 @ $7.00 | $49 | −0.0% of holding | −2.4% | +49.1% | 44,918 | Form 4 · filed 2 days after the trade |
| 2026-02-02 | Knopp Kevin J. | director | Sale | 34,764 @ $6.18 | $215K | −4.2% of holding | +10.4% | +25.0% | 795,968 | Form 4 · filed 1 day after the trade |
| 2026-02-02 | Griffith Joseph H. IV | officer | Sale | 23,175 @ $6.18 | $143K | −14.2% of holding | +10.4% | +25.0% | 139,896 | Form 4 · filed 1 day after the trade |
| 2025-10-03 | Griffith Joseph H. IV | officer | Sale | 4,292 @ $9.05 | $39K | −4.4% of holding | −14.7% | −24.5% | 92,930 | Form 4 · filed 3 days after the trade |
| 2025-10-02 | Griffith Joseph H. IV | officer | Sale | 708 @ $9.04 | $6K | −0.7% of holding | −10.7% | −20.7% | 97,222 | Form 4 · filed 4 days after the trade |
| 2025-09-19 | Griffith Joseph H. IV | officer | Sale | 5,000 @ $7.07 | $35K | −4.9% of holding | +22.0% | −15.6% | 97,930 | Form 4 · filed 4 days after the trade |
| 2025-06-18 | Turner Michael S. | officer | Sale | 1,373 @ $7.50 | $10K | −100.0% of holding | −18.2% | −42.0% | 0 | Form 4 · filed same day |
| 2025-06-17 | Turner Michael S. | officer | Sale | 7,148 @ $7.51 | $54K | −83.9% of holding | −14.2% | −35.6% | 1,373 | Form 4 · filed 1 day after the trade |
| 2025-06-16 | Turner Michael S. | officer | Sale | 16,082 @ $7.51 | $121K | −65.4% of holding | −10.2% | −31.4% | 8,521 | Form 4 · filed 2 days after the trade |
| 2025-06-04 | Griffith Joseph H. IV | officer | Sale | 6,940 @ $7.08 | $49K | −6.3% of holding | −11.6% | −25.3% | 102,930 | Form 4 · filed 2 days after the trade |
| 2025-05-15 | Knopp Kevin J. | director | Purchase | 15,000 @ $4.44 | $67K | +2.1% of holding | +57.0% | +14.1% | 722,733 | Form 4 · filed 4 days after the trade |
| 2025-05-14 | Knopp Kevin J. | director | Purchase | 15,000 @ $4.32 | $65K | +2.2% of holding | +67.6% | +19.6% | 707,733 | Form 4 · filed same day |
| 2025-05-14 | Spoto Mark | director | Purchase | 7,000 @ $4.30 | $30K | +13.2% of holding | +67.6% | +19.6% | 59,971 | Form 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.
181 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.
| Date | Person | Role | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|---|
| 2026-08-01 | Vann Brandi C | director | Option exercise | 5,192 | 10,385 | Form 4 |
| 2026-08-01 | Vann Brandi C | director | Option exercise | 5,192 | 5,192 | Form 4 |
| 2026-08-01 | Vann Brandi C | director | Option exercise | 5,192 | 5,192 | Form 4 |
| 2026-06-25 | Leonhart Michele M. | director | Option exercise | 6,486 | 6,485 | Form 4 |
| 2026-06-25 | Leonhart Michele M. | director | Option exercise | 6,486 | 27,054 | Form 4 |
| 2026-06-25 | Leonhart Michele M. | director | Option exercise | 6,486 | 27,054 | Form 4 |
| 2026-06-11 | Hunt Anthony | director | Award / grant | 6,209 | 6,209 | Form 4 |
| 2026-06-11 | CRANDELL KEITH | director | Award / grant | 13,656 | 13,656 | Form 4 |
| 2026-06-11 | CRANDELL KEITH | director | Award / grant | 6,209 | 6,209 | Form 4 |
| 2026-06-11 | ELOI FENEL M | director | Award / grant | 13,656 | 13,656 | Form 4 |
| 2026-06-11 | ELOI FENEL M | director | Award / grant | 6,209 | 6,209 | Form 4 |
| 2026-06-11 | HRUSOVSKY E KEVIN | director | Award / grant | 13,656 | 13,656 | Form 4 |
| 2026-06-11 | HRUSOVSKY E KEVIN | director | Award / grant | 6,209 | 6,209 | Form 4 |
| 2026-06-11 | Hunt Anthony | director | Award / grant | 13,656 | 13,656 | Form 4 |
| 2026-06-11 | Spoto Mark | director | Award / grant | 13,656 | 13,656 | Form 4 |
| 2026-06-11 | Spoto Mark | director | Award / grant | 6,209 | 6,209 | Form 4 |
| 2026-06-11 | Leonhart Michele M. | director | Award / grant | 13,656 | 13,656 | Form 4 |
| 2026-06-11 | Leonhart Michele M. | director | Award / grant | 6,209 | 6,209 | Form 4 |
| 2026-06-11 | Vann Brandi C | director | Award / grant | 13,656 | 13,656 | Form 4 |
| 2026-06-11 | Vann Brandi C | director | Award / grant | 6,209 | 6,209 | Form 4 |
| 2026-06-10 | Hunt Anthony | director | Option exercise | 14,083 | 0 | Form 4 |
| 2026-06-10 | Spoto Mark | director | Option exercise | 14,083 | 0 | Form 4 |
| 2026-06-10 | ELOI FENEL M | director | Option exercise | 14,083 | 0 | Form 4 |
| 2026-06-10 | CRANDELL KEITH | director | Option exercise | 14,083 | 0 | Form 4 |
| 2026-06-10 | HRUSOVSKY E KEVIN | director | Option exercise | 14,083 | 0 | Form 4 |
| 2026-06-10 | Leonhart Michele M. | director | Option exercise | 14,083 | 0 | Form 4 |
| 2026-06-10 | Spoto Mark | director | Option exercise | 14,083 | 89,346 | Form 4 |
| 2026-06-10 | CRANDELL KEITH | director | Option exercise | 14,083 | 39,374 | Form 4 |
| 2026-06-10 | ELOI FENEL M | director | Option exercise | 14,083 | 40,897 | Form 4 |
| 2026-06-10 | HRUSOVSKY E KEVIN | director | Option exercise | 14,083 | 165,390 | Form 4 |
| 2026-06-10 | Hunt Anthony | director | Option exercise | 14,083 | 44,168 | Form 4 |
| 2026-06-10 | Leonhart Michele M. | director | Option exercise | 14,083 | 20,568 | Form 4 |
| 2026-06-10 | CRANDELL KEITH | director | Option exercise | 14,083 | 39,374 | Form 4 |
| 2026-06-10 | ELOI FENEL M | director | Option exercise | 14,083 | 40,897 | Form 4 |
| 2026-06-10 | HRUSOVSKY E KEVIN | director | Option exercise | 14,083 | 165,390 | Form 4 |
| 2026-06-10 | Hunt Anthony | director | Option exercise | 14,083 | 44,168 | Form 4 |
| 2026-06-10 | Leonhart Michele M. | director | Option exercise | 14,083 | 20,568 | Form 4 |
| 2026-06-10 | Spoto Mark | director | Option exercise | 14,083 | 89,346 | Form 4 |
| 2026-05-01 | Kenneweg John | officer | Option exercise | 26,042 | 0 | Form 4 |
| 2026-05-01 | Kenneweg John | officer | Option exercise | 26,042 | 83,826 | Form 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.