Collegium Pharmaceutical, Inc. (COLL) Insider Trading
Over the last 3 months, COLL insiders made 0 open-market buys and 5 sales, a net sale of -$1.1M (SEC Form 4). Over the last 6 months, 204 institutions increased and 189 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
5
Net (3m)
-$1.1M
Insider trades by month Buys Sells
Aug
Sep
Nov
Dec
Mar
May
Context3-month price -12.3%Institutions mixed (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| May 20, 2026 | Freund John Gordondirector | Sell | 20 | $34.05 |
| May 18, 2026 | Paya Carlos Vdirector | Grant | 8,741 | — |
| May 18, 2026 | Balice-Gordon Rita J.director | Grant | 8,741 | — |
| May 18, 2026 | Freund John Gordondirector | Grant | 8,741 | — |
| May 18, 2026 | BOHLIN GAREN Gdirector | Grant | 8,741 | — |
| May 18, 2026 | Freund John Gordondirector | Sell | 4,127 | $34.54 |
| May 18, 2026 | Glancy Donovan Michaeldirector | Grant | 17,482 | — |
| May 18, 2026 | Freund John Gordondirector | Option | 8,700 | $16.49 |
| May 18, 2026 | Lurker Nancydirector | Grant | 8,741 | — |
| May 18, 2026 | SANTINI GINOdirector | Grant | 8,741 | — |
| May 15, 2026 | Lurker Nancydirector | Sell | 4,500 | $35.97 |
| May 13, 2026 | BOHLIN GAREN Gdirector | Option | 8,700 | $16.49 |
| May 13, 2026 | BOHLIN GAREN Gdirector | Sell | 8,700 | $37.18 |
| Apr 3, 2026 | Dieter Davidofficer: EVP & General Counsel | Tax | 8,840 | $35.72 |
| Mar 20, 2026 | Dieter Davidofficer: EVP & General Counsel | Sell | 13,976 | $34.92 |
| Mar 5, 2026 | Dreyer Scottofficer: EVP & Chief Commercial Officer | Sell | 46,417 | $40.36 |
| Mar 5, 2026 | Dreyer Scottofficer: EVP & Chief Commercial Officer | Sell | 3,559 | $40.99 |
| Feb 12, 2026 | Dreyer Scottofficer: EVP & Chief Commercial Officer | Grant | 30,702 | — |
| Feb 12, 2026 | Smith Thomas Bofficer: EVP and Chief Medical Officer | Grant | 22,774 | — |
| Feb 12, 2026 | Tupper Colleenofficer: EVP & Chief Financial Officer | Tax | 26,679 | $46.75 |
| Feb 12, 2026 | Tupper Colleenofficer: EVP & Chief Financial Officer | Grant | 26,421 | — |
| Feb 12, 2026 | Karnani Vikramdirector, officer: President and CEO | Grant | 79,264 | — |
| Feb 12, 2026 | Dieter Davidofficer: EVP & General Counsel | Grant | 22,194 | — |
| Feb 12, 2026 | Tupper Colleenofficer: EVP & Chief Financial Officer | Tax | 11,861 | $46.75 |
| Feb 12, 2026 | Tupper Colleenofficer: EVP & Chief Financial Officer | Grant | 32,734 | — |
| Feb 12, 2026 | Karnani Vikramdirector, officer: President and CEO | Tax | 11,296 | $46.75 |
| Feb 12, 2026 | Dieter Davidofficer: EVP & General Counsel | Grant | 9,005 | — |
| Feb 12, 2026 | Smith Thomas Bofficer: EVP and Chief Medical Officer | Grant | 14,268 | — |
| Feb 12, 2026 | Smith Thomas Bofficer: EVP and Chief Medical Officer | Tax | 11,538 | $46.75 |
| Feb 12, 2026 | Karnani Vikramdirector, officer: President and CEO | Grant | 32,531 | — |
Source: COLL SEC Form 4 filings, latest May 20, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their COLL positions over the last 6 months (SEC Form 13F).
Increased
204
New positions
85
Reduced
189
Sold out
61
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BLACKROCK, INC. | Increased | 5.1M | May 13, 2026 |
| BLACKROCK, INC. | Reduced | 5.1M | Feb 12, 2026 |
| VANGUARD GROUP INC | Increased | 2.3M | Jan 29, 2026 |
| EVENTIDE ASSET MANAGEMENT, LLC | Reduced | 1.9M | Feb 13, 2026 |
| JANUS HENDERSON GROUP PLC | Increased | 1.8M | May 18, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | Increased | 1.6M | Feb 12, 2026 |
| INVESCO LTD. | Increased | 1.6M | May 12, 2026 |
| FULLER & THALER ASSET MANAGEMENT, INC. | Reduced | 1.5M | Feb 18, 2026 |
| FULLER & THALER ASSET MANAGEMENT, INC. | Reduced | 1.5M | May 14, 2026 |
| RUBRIC CAPITAL MANAGEMENT LP | Reduced | 1.5M | Feb 13, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | 1.5M | May 14, 2026 |
| JANUS HENDERSON GROUP PLC | Increased | 1.4M | Feb 17, 2026 |
| STATE STREET CORP | Increased | 1.4M | May 15, 2026 |
| EVENTIDE ASSET MANAGEMENT, LLC | Reduced | 1.4M | May 15, 2026 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | Increased | 1.4M | May 14, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.