COLLCollegium Pharmaceutical, Inc.Healthcare · Drug Manufacturers - Specialty & Genericas of 2026-09-16
Horizon

Issued 2026-09-16 at $22.19 · now $22.19 (2026-09-16, +0.0% since)

Based on its own history, a month from the 2026-09-16 close, COLL has typically landed between $18.84 and $26.79 — a range of −15.1% to +20.7% from the issuance price $22.19.

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

2,836 overlapping 1 month windows · 2015-05-072026-08-17 · 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 ($22.19) — 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 COLL has typically landed a month from the 2026-09-16 close of $22.19 — the range is history, not a prediction.

$18.84worst · -15.1%$26.79best · +20.7%
  • now $22.19 (+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). $22.16 (-0.1%)
  • middle 50%The central range of outcomes — half of similar past periods landed inside it, a quarter finished above, a quarter below. $20.56$23.77
  • 90% rangeA nine-in-ten range — in about nine of every ten similar past periods the outcome stayed within these bounds. $18.84$26.79
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 2,836 windows spanning 2015-05-07 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
2015-12-16−44.5%−44.5%+7.0%
2020-02-21−41.9%−42.0%+0.0%
2015-12-17−40.2%−44.9%+6.4%
3 best
2016-08-31+131.2%+0.0%+131.2%
2016-09-01+126.3%+0.0%+126.3%
2016-09-02+124.1%−0.4%+124.1%

2,836 overlapping windows · 2015-05-072026-09-16 · 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 ~12 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
55%
+4.1%
n=11
Feb
55%
+0.3%
n=11
Mar
55%
−6.9%
n=11
Apr
27%
−2.6%
n=11
May
27%
−4.3%
n=11
Jun
58%
+3.6%
n=12
Jul
50%
−0.7%
n=12
Aug
42%
−5.8%
n=12
Sep
42%
+11.7%
n=12
Oct
36%
−3.8%
n=11
Nov
82%
+21.2%
n=11
Dec
55%
+5.8%
n=11

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$50$222026-05-18: 1 insider sale, $681 — Freund John Gordon2026-05-15: 1 insider sale, $143K — Freund John Gordon2026-05-13: 1 insider sale, $162K — Lurker Nancy2026-05-11: 1 insider sale, $323K — BOHLIN GAREN G2026-03-18: 1 insider sale, $488K — Dieter David2026-03-09: 1 insider sale, $228K — Dieter David2026-03-03: 2 insider sales, $2.0M — Dreyer Scott …2025-12-08: 2 insider sales, $848K — Dreyer Scott …2025-12-05: 1 insider sale, $172K — Balice-Gordon Rita J.2025-11-12: 1 insider sale, $1.6M — Fallon John A.2025-11-06: 2 insider sales, $1.2M — Tupper Colleen …2025-08-29: 1 insider sale, $672K — Smith Thomas B2025-08-18: 1 insider sale, $626K — Dreyer Scott2025-08-15: 1 insider sale, $201K — SANTINI GINO2025-08-13: 2 insider sales, $1.1M — Rubric Capital Management LP, Dreyer Scott2025-08: 6 open-market sales, $3.0M2025-11: 3 open-market sales, $2.9M2025-12: 3 open-market sales, $1.0M2026-03: 4 open-market sales, $2.7M2026-05: 4 open-market sales, $629K↑ buys↓ salesdirector Freund John Gordon — Sale on 2026-05-18, filed 2 days after the tradedirector Freund John Gordon — Sale on 2026-05-15, filed 3 days after the tradedirector Lurker Nancy — Sale on 2026-05-13, filed 2 days after the tradedirector BOHLIN GAREN G — Sale on 2026-05-11, filed 2 days after the tradeofficer Dieter David — Sale on 2026-03-18, filed 2 days after the tradeofficer Dieter David — Sale on 2026-03-09, filed 2 days after the tradeofficer Dreyer Scott — Sale on 2026-03-03, filed 2 days after the tradeofficer Dreyer Scott — Sale on 2026-03-03, filed 2 days after the tradeofficer Dreyer Scott — Sale on 2025-12-08, filed 2 days after the tradeofficer Dreyer Scott — Sale on 2025-12-08, filed 2 days after the tradedirector Balice-Gordon Rita J. — Sale on 2025-12-05, filed 4 days after the tradedirector Fallon John A. — Sale on 2025-11-12, filed 2 days after the tradeofficer Tupper Colleen — Sale on 2025-11-06, filed 1 day after the tradeofficer Tupper Colleen — Sale on 2025-11-06, filed 1 day after the tradeofficer Smith Thomas B — Sale on 2025-08-29, filed 5 days after the tradeofficer Dreyer Scott — Sale on 2025-08-18, filed 2 days after the tradedirector SANTINI GINO — Sale on 2025-08-15, filed 4 days after the tradetenPercentOwner Rubric Capital Management LP — Sale on 2025-08-13, filed 2 days after the tradeofficer Dreyer Scott — Sale on 2025-08-13, filed 2 days after the trade
DatePersonRoleActionShares @ priceValueOwnership Δvs S&P 1mvs S&P 6mOwned afterFiling
2026-05-18Freund John GordondirectorSale20 @ $34.05$681−0.0% of holding−0.2%not yet — horizon still open83,952Form 4 · filed 2 days after the trade
2026-05-15Freund John GordondirectorSale4,127 @ $34.54$143K−4.7% of holding+1.1%not yet — horizon still open83,972Form 4 · filed 3 days after the trade
2026-05-13Lurker NancydirectorSale4,500 @ $35.97$162K−20.0% of holding−0.6%not yet — horizon still open18,017Form 4 · filed 2 days after the trade
2026-05-11BOHLIN GAREN GdirectorSale8,700 @ $37.18$323K−12.3% of holding−0.9%not yet — horizon still open62,259Form 4 · filed 2 days after the trade
2026-03-18Dieter DavidofficerSale13,976 @ $34.92$488K−15.4% of holding−8.8%not yet — horizon still open77,071Form 4 · filed 2 days after the trade
2026-03-09Dieter DavidofficerSale6,224 @ $36.65$228K−6.4% of holding−10.2%−50.8%91,047Form 4 · filed 2 days after the trade
2026-03-03Dreyer ScottofficerSale46,417 @ $40.36$1.9M−38.1% of holding−13.4%−52.6%75,329Form 4 · filed 2 days after the trade
2026-03-03Dreyer ScottofficerSale3,559 @ $40.99$146K−4.7% of holding−13.4%−52.6%71,770Form 4 · filed 2 days after the trade
2025-12-08Dreyer ScottofficerSale11,125 @ $47.89$533K−9.2% of holding+0.7%−34.1%110,088Form 4 · filed 2 days after the trade
2025-12-08Dreyer ScottofficerSale6,475 @ $48.66$315K−5.9% of holding+0.7%−34.1%103,613Form 4 · filed 2 days after the trade
2025-12-05Balice-Gordon Rita J.directorSale3,650 @ $47.03$172K−6.5% of holding−2.2%−36.3%52,629Form 4 · filed 4 days after the trade
2025-11-12Fallon John A.directorSale34,853 @ $47.21$1.6M−35.0% of holding+2.9%−37.4%64,634Form 4 · filed 2 days after the trade
2025-11-06Tupper ColleenofficerSale25,142 @ $40.38$1.0M−16.0% of holding+15.8%−22.8%131,525Form 4 · filed 1 day after the trade
2025-11-06Tupper ColleenofficerSale4,858 @ $41.28$201K−3.7% of holding+15.8%−22.8%126,667Form 4 · filed 1 day after the trade
2025-08-29Smith Thomas BofficerSale17,478 @ $38.42$672K−19.9% of holding−13.4%−3.0%70,264Form 4 · filed 5 days after the trade
2025-08-18Dreyer ScottofficerSale16,389 @ $38.21$626K−13.7% of holding−9.4%+11.3%103,613Form 4 · filed 2 days after the trade
2025-08-15SANTINI GINOdirectorSale5,405 @ $37.19$201K−5.4% of holding−8.2%+15.4%95,042Form 4 · filed 4 days after the trade
2025-08-13Rubric Capital Management LPtenPercentOwnerSale25,000 @ $37.85$946K−0.8% of holding−3.4%+13.4%3,132,743Form 4 · filed 2 days after the trade
2025-08-13Dreyer ScottofficerSale4,861 @ $38.03$185K−4.5% of holding−3.4%+13.4%103,613Form 4 · filed 2 days after the trade
2025-08-08Freund John GordondirectorSale11,659 @ $34.36$401K−33.5% of holding+6.6%+23.0%23,129Form 4 · filed 4 days after the trade
2025-06-09Freund John GordondirectorSale6,601 @ $30.62$202K−8.5% of holding+3.7%+42.7%70,658Form 4 · filed 2 days after the trade
2025-03-21Dreyer ScottofficerSale18,881 @ $30.03$567K−15.4% of holding−4.0%−0.3%103,613Form 4 · filed 3 days after the trade
2025-03-21Tupper ColleenofficerSale6,396 @ $30.03$192K−3.9% of holding−4.0%−0.3%156,667Form 4 · filed 3 days after the trade
2025-03-20Dreyer ScottofficerSale1,927 @ $30.00$58K−1.5% of holding−1.2%+1.0%122,494Form 4 · filed 4 days after the trade
2025-03-20Tupper ColleenofficerSale1,206 @ $30.00$36K−0.7% of holding−1.2%+1.0%163,063Form 4 · filed 4 days after the trade
2025-03-14Dreyer ScottofficerSale2,255 @ $30.00$68K−1.8% of holding−5.3%+0.4%124,421Form 4 · filed 4 days after the trade
2025-03-14Tupper ColleenofficerSale977 @ $30.00$29K−0.6% of holding−5.3%+0.4%164,269Form 4 · filed 4 days after the trade
2025-03-11Tupper ColleenofficerSale10,445 @ $30.01$313K−5.9% of holding−11.1%+7.7%165,246Form 4 · filed 2 days after the trade
2025-03-07Dreyer ScottofficerSale2,348 @ $30.00$70K−1.6% of holding+6.9%+17.2%142,063Form 4 · filed 3 days after the trade
2025-03-07Tupper ColleenofficerSale1,504 @ $30.00$45K−0.8% of holding+6.9%+17.2%175,691Form 4 · filed 3 days after the trade
2025-03-06Kuhlmann Shirley R.officerSale26,067 @ $28.50$743K−19.4% of holding+5.9%+14.9%108,137Form 4 · filed same day
2025-03-06Dreyer ScottofficerSale15,387 @ $30.00$462K−10.8% of holding+5.9%+14.9%126,676Form 4 · filed 7 days after the trade
2025-03-06Dreyer ScottofficerSale3,295 @ $30.00$99K−2.2% of holding+5.9%+14.9%144,411Form 4 · filed 4 days after the trade
2025-03-06Tupper ColleenofficerSale1,949 @ $30.00$58K−1.1% of holding+5.9%+14.9%177,195Form 4 · filed 4 days after the trade
2025-03-05Kuhlmann Shirley R.officerSale20,000 @ $28.03$561K−13.0% of holding+9.6%+25.8%134,204Form 4 · filed 1 day after the trade
2025-03-04Kuhlmann Shirley R.officerSale40,000 @ $28.08$1.1M−20.6% of holding+8.8%+28.9%154,204Form 4 · filed 2 days after the trade
2025-01-10Kuhlmann Shirley R.officerSale21,400 @ $32.87$703K−14.6% of holding−8.3%−10.6%125,284Form 4 · filed 4 days after the trade
2025-01-10Kuhlmann Shirley R.officerSale6,100 @ $33.64$205K−4.9% of holding−8.3%−10.6%119,184Form 4 · filed 4 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.

77 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
2026-06-08SANTINI GINOdirectorOption exercise8,700112,483Form 4
2026-06-08SANTINI GINOdirectorOption exercise8,7000Form 4
2026-05-15Freund John GordondirectorOption exercise8,70088,099Form 4
2026-05-15Freund John GordondirectorOption exercise8,7000Form 4
2026-05-14SANTINI GINOdirectorAward / grant8,741103,783Form 4
2026-05-14BOHLIN GAREN GdirectorAward / grant8,74171,000Form 4
2026-05-14Freund John GordondirectorAward / grant8,74179,399Form 4
2026-05-14Balice-Gordon Rita J.directorAward / grant8,74161,370Form 4
2026-05-14Glancy Donovan MichaeldirectorAward / grant17,48217,482Form 4
2026-05-14Paya Carlos VdirectorAward / grant8,74128,323Form 4
2026-05-14Lurker NancydirectorAward / grant8,74126,758Form 4
2026-05-11BOHLIN GAREN GdirectorOption exercise8,70070,959Form 4
2026-05-11BOHLIN GAREN GdirectorOption exercise8,7000Form 4
2026-03-17Dieter DavidofficerWithheld for tax8,84068,231Form 4
2026-02-10Tupper ColleenofficerWithheld for tax26,679147,282Form 4
2026-02-10Dreyer ScottofficerWithheld for tax21,615121,746Form 4
2026-02-10Tupper ColleenofficerWithheld for tax11,861173,961Form 4
2026-02-10Smith Thomas BofficerWithheld for tax11,53890,651Form 4
2026-02-10Karnani VikramdirectorWithheld for tax11,296197,864Form 4
2026-02-10Dreyer ScottofficerWithheld for tax9,977143,361Form 4
2026-02-10Smith Thomas BofficerWithheld for tax5,897102,189Form 4
2026-02-10Dieter DavidofficerWithheld for tax2,78197,271Form 4
2026-02-10Karnani VikramdirectorAward / grant32,531209,160Form 4
2026-02-10Dreyer ScottofficerAward / grant19,023122,636Form 4
2026-02-10Dreyer ScottofficerAward / grant30,702153,338Form 4
2026-02-10Dieter DavidofficerAward / grant9,005100,052Form 4
2026-02-10Dieter DavidofficerAward / grant22,19491,047Form 4
2026-02-10Karnani VikramdirectorAward / grant79,264176,629Form 4
2026-02-10Smith Thomas BofficerAward / grant14,26885,312Form 4
2026-02-10Smith Thomas BofficerAward / grant22,774108,086Form 4
2026-02-10Tupper ColleenofficerAward / grant26,421153,088Form 4
2026-02-10Tupper ColleenofficerAward / grant32,734185,822Form 4
2025-12-08Dreyer ScottofficerOption exercise17,600121,213Form 4
2025-12-08Dreyer ScottofficerOption exercise17,6000Form 4
2025-11-12Karnani VikramdirectorWithheld for tax8,98396,989Form 4
2025-11-12Fallon John A.directorOption exercise15,00079,634Form 4
2025-11-12Fallon John A.directorOption exercise19,85399,487Form 4
2025-11-12Fallon John A.directorOption exercise19,8530Form 4
2025-11-12Fallon John A.directorOption exercise15,0000Form 4
2025-08-18Dreyer ScottofficerOption exercise16,389120,002Form 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.