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Are Collegium Pharmaceutical Insiders Buying or Selling?
Collegium Pharmaceutical (COLL) has had no reported insider transactions in the past 90 days. The most recent was Freund John Gordon, who sold 20 shares at $34.05 on May 18, 2026.
Insider trading patterns can signal confidence or concern from the people who know the company best. AltIndex tracks insider transactions as one of 25+ alternative data signals in the COLL AI Score. For government officials trading this stock, see COLL congressional trading.
Who’s Trading Collegium Pharmaceutical Stock?
| Insider | Activity | Trades | Last Trade |
|---|---|---|---|
| Scott Dreyer | Sold $5.5M | 13 | Mar 3, 2026 |
| Shirley Kuhlmann | Sold $3.3M | 5 | Mar 6, 2025 |
| Colleen Tupper | Sold $1.9M | 8 | Nov 6, 2025 |
| John Fallon | Sold $1.6M | 1 | Nov 12, 2025 |
| Rubric Capital Management LP | Sold $950,000 | 1 | Aug 13, 2025 |
| Freund John Gordon | Sold $750,000 | 4 | May 18, 2026 |
Recent Collegium Pharmaceutical Insider Transactions
| Insider | Transaction Date | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| Freund John Gordon | May 18, 2026 | Sell | 20 | $34.05 | $680 |
| Freund John Gordon | May 15, 2026 | Sell | 4,127 | $34.54 | $140,000 |
| Nancy Lurker | May 13, 2026 | Sell | 4,500 | $35.97 | $160,000 |
| GAREN BOHLIN | May 11, 2026 | Sell | 8,700 | $37.18 | $320,000 |
| David Dieter | Mar 18, 2026 | Sell | 13,976 | $34.92 | $490,000 |
| David Dieter | Mar 9, 2026 | Sell | 6,224 | $36.65 | $230,000 |
| Scott Dreyer | Mar 3, 2026 | Sell | 46,417 | $40.36 | $1.9M |
| Scott Dreyer | Mar 3, 2026 | Sell | 3,559 | $40.99 | $150,000 |
| Scott Dreyer | Dec 8, 2025 | Sell | 11,125 | $47.89 | $530,000 |
| Scott Dreyer | Dec 8, 2025 | Sell | 6,475 | $48.66 | $320,000 |
| Rita Balice-Gordon | Dec 5, 2025 | Sell | 3,650 | $47.03 | $170,000 |
| John Fallon | Nov 12, 2025 | Sell | 34,853 | $47.21 | $1.6M |
| Colleen Tupper | Nov 6, 2025 | Sell | 25,142 | $40.38 | $1M |
| Colleen Tupper | Nov 6, 2025 | Sell | 4,858 | $41.28 | $200,000 |
| Thomas Smith | Aug 29, 2025 | Sell | 17,478 | $38.42 | $670,000 |
| Scott Dreyer | Aug 18, 2025 | Sell | 16,389 | $38.21 | $630,000 |
| GINO SANTINI | Aug 15, 2025 | Sell | 5,405 | $37.19 | $200,000 |
| Rubric Capital Management LP | Aug 13, 2025 | Sell | 25,000 | $37.85 | $950,000 |
| Scott Dreyer | Aug 13, 2025 | Sell | 4,861 | $38.03 | $180,000 |
| Freund John Gordon | Aug 8, 2025 | Sell | 11,659 | $34.36 | $400,000 |
| Freund John Gordon | Jun 9, 2025 | Sell | 6,601 | $30.62 | $200,000 |
| Scott Dreyer | Mar 21, 2025 | Sell | 18,881 | $30.03 | $570,000 |
| Colleen Tupper | Mar 21, 2025 | Sell | 6,396 | $30.03 | $190,000 |
| Colleen Tupper | Mar 20, 2025 | Sell | 1,206 | $30 | $36,000 |
| Scott Dreyer | Mar 20, 2025 | Sell | 1,927 | $30 | $58,000 |
| Scott Dreyer | Mar 14, 2025 | Sell | 2,255 | $30 | $68,000 |
| Colleen Tupper | Mar 14, 2025 | Sell | 977 | $30 | $29,000 |
| Scott Dreyer | Mar 11, 2025 | Sell | 15,387 | $30 | $460,000 |
| Colleen Tupper | Mar 11, 2025 | Sell | 10,445 | $30.01 | $310,000 |
| Colleen Tupper | Mar 7, 2025 | Sell | 1,504 | $30 | $45,000 |
| Scott Dreyer | Mar 7, 2025 | Sell | 2,348 | $30 | $70,000 |
| Scott Dreyer | Mar 6, 2025 | Sell | 15,387 | $30 | $460,000 |
| Shirley Kuhlmann | Mar 6, 2025 | Sell | 26,067 | $28.5 | $740,000 |
| Colleen Tupper | Mar 6, 2025 | Sell | 1,949 | $30 | $58,000 |
| Scott Dreyer | Mar 6, 2025 | Sell | 3,295 | $30 | $99,000 |
| Shirley Kuhlmann | Mar 5, 2025 | Sell | 20,000 | $28.03 | $560,000 |
| Shirley Kuhlmann | Mar 4, 2025 | Sell | 40,000 | $28.08 | $1.1M |
| Shirley Kuhlmann | Jan 10, 2025 | Sell | 21,400 | $32.87 | $700,000 |
| Shirley Kuhlmann | Jan 10, 2025 | Sell | 6,100 | $33.64 | $210,000 |
Frequently Asked Questions: Collegium Pharmaceutical Insider Trading
Collegium Pharmaceutical insiders have not reported any transactions in the past 90 days.
The most recent sale was by Freund John Gordon who sold 20 shares on May 18, 2026. View all transactions in the table on this page.
Insider buying is generally a stronger signal than insider selling, since insiders may sell for personal reasons (diversification, taxes) but typically buy only when they believe the stock is undervalued. AltIndex uses insider transaction patterns alongside 25+ other signals in the AI Score.
Dreyer Scott has sold the most COLL stock in the last 2 years, with a total value of $5.5M.
The total value of insider transactions for Collegium Pharmaceutical in the last 2 years is negative, amounting to -$16M. This suggests that insiders have predominantly sold shares, which could reflect various personal or financial considerations rather than a straightforward outlook on the company's future performance.
