undamentalytics Newsletter

Collegium Pharmaceutical, Inc insider trading

Every open-market purchase and sale by Collegium Pharmaceutical, Inc's officers, directors and largest shareholders since November 4, 2021, and what the share price did next.

No insider has bought shares on the open market in five years.

Insider purchase Insider sale Marker size reflects trade value. Weekly closes adjusted for splits; may be delayed.
Collegium Pharmaceutical, Inc insider open-market trades
DateInsiderTrade SharesPriceValue 1M after 3M after 6M after

From insiders' Form 4 filings with the SEC: open-market purchases and sales only (awards, option exercises and shares withheld for tax are excluded), combined to one line per insider per day. "Plan" marks trades the filing says were made under a pre-set Rule 10b5-1 trading plan, which are scheduled in advance. Price changes run from the close on the trade date; hover a figure for the change relative to the S&P 500. Past moves don't predict future ones.

Does following Collegium Pharmaceutical, Inc’s insiders pay?

From August 15, 2016 to May 18, 2026, 14 insiders reported 2 open-market purchases and 21 sales not made under a pre-set plan in Collegium Pharmaceutical, Inc. Twelve months after each purchase was reported, the shares were +60.4% against the S&P 500 on average (median +60.4%), over 2 purchases with a full year of prices; 50% beat the index. After sales, the shares moved −22.3% against the index over 12 months (a negative figure means selling was the right call). That rests on fewer than 20 purchases, too few to read much into. Buying each purchase the day after it was reported, an equal amount each, held 12 months or until that insider reported a sale, would have turned $10,000 on August 16, 2016 into $28,153 by November 2, 2026, +10.7% a year. It held shares 17% of the time; the S&P 500 on those same days, with Treasury bills otherwise, made $16,386 (+5.0% a year), and held throughout $40,847 (+14.8%).

$0$20.0k$40.0k 201620182020202220242026 $40.8k$28.2k$16.4k
Copying Collegium Pharmaceutical, Inc's insidersS&P 500, same days investedS&P 500, held throughout $10,000 copying every open-market purchase by Collegium Pharmaceutical, Inc's insiders from August 16, 2016, before costs and taxes, marked weekly. Uninvested money earns the Treasury bill rate; the portfolio held shares 17% of the time.
Collegium Pharmaceutical, Inc: each insider's record
InsiderRolePurchases12 months after their purchasesBeat the S&P 500Sales12 months after their salesLatest report
Freund John Gordon Director 0 — — 3 −29.1% (2) May 18, 2026
Hirsch David Director 0 — — 3 +17.6% (3) November 13, 2019
Smith Thomas B EVP and Chief Medical Officer 0 — — 3 −41.4% (3) September 3, 2025
Bohlin Garen G Director 0 — — 2 −20.7% (1) May 13, 2026
Fallon John A. Director 1 −21.0% (1) 0% 1 — November 14, 2025
Kuhlmann Shirley R. EVP and General Counsel 0 — — 2 −3.9% (2) March 6, 2025
Balice-Gordon Rita J. Director 0 — — 1 — December 9, 2025
Brannelly Paul Executive Vice President & CFO 1 +141.9% (1) 100% 0 — May 15, 2017
Dreyer Scott EVP & Chief Commercial Officer 0 — — 1 −25.8% (1) May 28, 2024
Fleming Alison B Chief Technology Officer 0 — — 1 −13.1% (1) November 13, 2019
Heffernan Michael Thomas Chairman, President and CEO 0 — — 1 −63.5% (1) June 13, 2018
Lurker Nancy Director 0 — — 1 — May 15, 2026
Rubric Capital Management LP 10% owner 0 — — 1 −45.6% (1) August 15, 2025
Santini Gino Director 0 — — 1 −50.7% (1) August 19, 2025

Moves are the shares’ return including dividends minus the S&P 500’s, from the close on the first trading day after each report; the number of trades with a finished 12-month window is in brackets. Green means the trade went the insider’s way (a purchase ahead of the index, a sale followed by the shares trailing it). A trade reported both by a director or officer and by a fund or company they are linked to counts once here, under the person. Purchases count only where the share price actually traded was at least $5. These figures describe what the shares did, not why anyone traded. Insiders across all companies.

When several insiders traded Collegium Pharmaceutical, Inc

Months when 2 or more insiders became net buyers, or 3 or more net sellers, of Collegium Pharmaceutical, Inc in reports dated in the 91 days before the month end, and how the stock did against the S&P 500 from that month end. After 2 selling crowds, −12.9%. One company's history is too short to judge by; the test across every company is the better guide.

MonthCrowd3 months on, vs S&P 5006 months12 months
May 29, 20263 selling−26.5%not yetnot yet
August 29, 20253 selling+14.1%−3.0%−57.5%
May 31, 20243 selling+8.8%−22.9%−25.7%

Colours show whether the crowd was right: green when buyers were followed by a rise above the index, or sellers by a fall below it. Total returns from the month end; past patterns are not a forecast.

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