COGTCogent Biosciences, Inc.Healthcare · Biotechnologyas of 2026-09-25
Horizon

Issued 2026-09-25 at $32.31 · now $32.31 (2026-09-25, +0.0% since)

Based on its own history, a month from the 2026-09-25 close, COGT has typically landed between $24.52 and $45.53 — a range of −24.1% to +40.9% from the issuance price $32.31.

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

2,112 overlapping 1 month windows · 2018-03-29 – 2026-08-26 · basis climatology · forecast (batch). Base rate up 53.7% (90% CI 51.5–55.9%, ≈1,391 obs). Not a call on this stock — we have no evidence its odds differ.

The cone is anchored at the 2026-09-25 issuance close ($32.31) — the price the forecast resolves against on 2026-10-26, 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 COGT has typically landed a month from the 2026-09-25 close of $32.31 — the range is history, not a prediction.

$24.52worst · -24.1%$45.53best · +40.9%
  • now $32.31 (+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). $32.35 (+0.1%)
  • middle 50%The central range of outcomes — half of similar past periods landed inside it, a quarter finished above, a quarter below. $28.46–$36.24
  • 90% rangeA nine-in-ten range — in about nine of every ten similar past periods the outcome stayed within these bounds. $24.52–$45.53
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 2,112 windows spanning 2018-03-29 to 2026-09-25. 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
2020-02-13−61.0%−61.0%+0.0%
2020-02-12−60.9%−60.9%+0.0%
2020-02-11−57.5%−57.5%+3.1%
3 best
2020-07-02+538.2%+0.0%+646.1%
2020-06-16+517.5%−15.5%+544.7%
2020-06-17+503.0%−12.6%+567.3%

2,112 overlapping windows · 2018-03-29 – 2026-09-25 · not cherry-picked

Pending catalysts

  • March 2027 — Trial primary completion: Phase 1/Phase PHASE2 primary completion: A Study of an FGFR2/3 Inhibitor (CGT4859) in Patients With Cholangiocarcinoma and Other Advanced Solid Tumors (source, as of 2026-08-14)

Public, scheduled events — dated attention, not a prediction of the outcome. See the FDA catalysts page for the historical base rate.

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 ~9 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%
−1.0%
n=8
Feb
25%
−0.9%
n=8
Mar
38%
−5.1%
n=8
Apr
22%
−6.4%
n=9
May
56%
+4.4%
n=9
Jun
67%
+13.4%
n=9
Jul
78%
+61.7%
n=9
Aug
56%
+10.1%
n=9
Sep
33%
−10.7%
n=9
Oct
50%
−1.1%
n=8
Nov
13%
+4.6%
n=8
Dec
25%
−9.6%
n=8

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$43$122026-08-27: 2 insider sales, $1.7M — Morris Arlene …2026-03-31: 1 insider sale, $242.6M — Fairmount Funds Management LLC2026-01-22: 1 insider sale, $127.4M — Fairmount Funds Management LLC2025-12-26: 4 insider sales, $12.2M — Robinson John Edward, Sachs Jessica, Green John L., Kearns Evan2025-12: 4 open-market sales, $12.2M2026-01: 1 open-market sale, $127.4M2026-03: 1 open-market sale, $242.6M2026-08: 2 open-market sales, $1.7M↑ buys↓ salesdirector Morris Arlene — Sale on 2026-08-27, filed 4 days after the tradedirector Morris Arlene — Sale on 2026-08-27, filed 4 days after the tradedirector Fairmount Funds Management LLC — Sale on 2026-03-31, filed same daydirector Fairmount Funds Management LLC — Sale on 2026-01-22, filed same dayofficer Robinson John Edward — Sale on 2025-12-26, filed 4 days after the tradeofficer Sachs Jessica — Sale on 2025-12-26, filed 4 days after the tradeofficer Green John L. — Sale on 2025-12-26, filed 4 days after the tradeofficer Kearns Evan — Sale on 2025-12-26, filed 4 days after the trade
DatePersonRoleActionShares @ priceValueOwnership Δvs S&P 1mvs S&P 6mOwned afterFiling
2026-08-27Morris ArlenedirectorSale42,349 @ $37.09$1.6M−93.1% of holdingnot yet — horizon still opennot yet — horizon still open3,161Form 4 · filed 4 days after the trade
2026-08-27Morris ArlenedirectorSale3,161 @ $37.54$119K−100.0% of holdingnot yet — horizon still opennot yet — horizon still open0Form 4 · filed 4 days after the trade
2026-03-31Fairmount Funds Management LLCdirectorSale7,000,000 @ $34.66$242.6M−56.0% of holding−17.5%not yet — horizon still open5,503,418Form 4 · filed same day
2026-01-22Fairmount Funds Management LLCdirectorSale3,500,000 @ $36.40$127.4M−38.9% of holding−5.3%−7.2%5,503,418Form 4 · filed same day
2025-12-26Robinson John EdwardofficerSale90,000 @ $38.74$3.5M−39.1% of holding−2.1%−9.2%140,002Form 4 · filed 4 days after the trade
2025-12-26Sachs JessicaofficerSale82,642 @ $38.70$3.2M−38.2% of holding−2.1%−9.2%133,938Form 4 · filed 4 days after the trade
2025-12-26Green John L.officerSale77,000 @ $38.68$3.0M−36.9% of holding−2.1%−9.2%131,834Form 4 · filed 4 days after the trade
2025-12-26Kearns EvanofficerSale65,000 @ $38.70$2.5M−37.3% of holding−2.1%−9.2%109,398Form 4 · filed 4 days after the trade
2025-07-10Fairmount Funds Management LLCdirectorPurchase2,777,777 @ $9.00$25.0M+44.6% of holding−0.8%+214.3%9,003,418Form 4 · filed 4 days after the trade
2025-01-14Pinnow ColeofficerPurchase43,750 @ $7.60$332K+2085.3% of holding+6.3%+57.0%45,848Form 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.

76 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
2026-08-27Morris ArlenedirectorOption exercise41,92741,927Form 4
2026-08-27Morris ArlenedirectorOption exercise3,58345,510Form 4
2026-08-27Morris ArlenedirectorOption exercise41,9272,773Form 4
2026-08-27Morris ArlenedirectorOption exercise3,5830Form 4
2026-07-01Ferrante Karen JeandirectorAward / grant627627Form 4
2026-06-09Shegog TodddirectorAward / grant17,90117,901Form 4
2026-06-09CAIN CHRISTOPHER W.directorAward / grant17,90117,901Form 4
2026-06-09Ferrante Karen JeandirectorAward / grant17,90117,901Form 4
2026-06-09Harwin Peter EvandirectorAward / grant17,90117,901Form 4
2026-06-09Ros MatthewdirectorAward / grant17,90117,901Form 4
2026-06-09Morris ArlenedirectorAward / grant17,90117,901Form 4
2026-05-19Robbins Andrew RdirectorGift160,000497,503Form 4
2026-05-19Robbins Andrew RdirectorGift160,000160,000Form 4
2026-04-01Ferrante Karen JeandirectorAward / grant686686Form 4
2026-03-31Fairmount Funds Management LLCdirectorConversion28,00039,414Form 4
2026-03-31Fairmount Funds Management LLCdirectorConversion7,000,00012,503,418Form 4
2026-03-31Fairmount Funds Management LLCdirectorConversion7,000,00012,503,418Form 4
2026-01-01Ferrante Karen JeandirectorAward / grant643643Form 4
2025-12-17Robbins Andrew RdirectorWithheld for tax367,497657,503Form 4
2025-12-17Sachs JessicaofficerWithheld for tax154,716216,580Form 4
2025-12-17Green John L.officerWithheld for tax145,007208,834Form 4
2025-12-17Robinson John EdwardofficerWithheld for tax139,998230,002Form 4
2025-12-17Kearns EvanofficerWithheld for tax125,602174,398Form 4
2025-12-17Pinnow ColeofficerWithheld for tax94,800216,650Form 4
2025-12-17Robbins Andrew RdirectorAward / grant840,0001,025,000Form 4
2025-12-17Green John L.officerAward / grant50,00053,841Form 4
2025-12-17Green John L.officerAward / grant300,000353,841Form 4
2025-12-17Kearns EvanofficerAward / grant260,000300,000Form 4
2025-12-17Kearns EvanofficerAward / grant55,00055,000Form 4
2025-12-17Sachs JessicaofficerAward / grant50,00051,296Form 4
2025-12-17Sachs JessicaofficerAward / grant320,000371,296Form 4
2025-12-17Green John L.officerAward / grant65,00065,000Form 4
2025-12-17Kearns EvanofficerAward / grant40,00040,000Form 4
2025-12-17Sachs JessicaofficerAward / grant65,00065,000Form 4
2025-12-17Pinnow ColeofficerAward / grant50,00097,450Form 4
2025-12-17Pinnow ColeofficerAward / grant214,000311,450Form 4
2025-12-17Pinnow ColeofficerAward / grant65,00065,000Form 4
2025-12-17Robbins Andrew RdirectorAward / grant185,000185,000Form 4
2025-12-17Robbins Andrew RdirectorAward / grant245,000245,000Form 4
2025-12-17Robinson John EdwardofficerAward / grant50,00050,000Form 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.