According to recent filings covering the 90 days ending February 07, 2026, the three most significant insider holders at Collegium Pharmaceutical are TenPercentOwner Capital Management Lp Rubric (3.13Mn shares), President And Ceo Joseph Ciaffoni (444.87K shares), Evp & Chief Technical Officer Alison B Fleming (143.69K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Capital Management Lp Rubric | 3,132,743 | 15 Aug, 2025 | |
| Joseph Ciaffoni | President And Ceo | 444,867 | 14 Feb, 2024 |
| Alison B Fleming | Evp & Chief Technical Officer | 143,694 | 12 Aug, 2021 |
| Richard Malamut | Evp And Chief Medical Officer | 130,264 | 14 Feb, 2022 |
| Colleen Tupper | Evp & Chief Financial Officer | 126,667 | 07 Nov, 2025 |
| Shirley R. Kuhlmann | Evp And General Counsel | 108,137 | 06 Mar, 2025 |
| Scott Dreyer | Evp & Chief Commercial Officer | 103,613 | 10 Dec, 2025 |
| Vikram Karnani | President And Ceo | 96,989 | 14 Nov, 2025 |
| Gino Santini | 95,042 | 19 Aug, 2025 | |
| John Gordon Freund | 93,787 | 11 Jun, 2025 | |
| Thomas B Smith | Evp And Chief Medical Officer | 70,264 | 03 Sep, 2025 |
| David Dieter | Evp & General Counsel | 68,449 | 19 Mar, 2025 |
| John A. Fallon | 64,634 | 14 Nov, 2025 | |
| Garen G Bohlin | 62,259 | 19 May, 2025 | |
| Rita J. Balice-Gordon | 52,629 | 09 Dec, 2025 | |
| Gwen A Melincoff | 52,468 | 16 May, 2024 | |
| Michael Thomas Heffernan | 50,328 | 12 Feb, 2025 | |
| Neil F. Mcfarlane | 49,365 | 16 May, 2024 | |
| Nancy Lurker | 22,517 | 19 May, 2025 | |
| Carlos V Paya | 19,582 | 19 May, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 08 Dec, 2025 | Scott Dreyer | Common Stock | D | 11,125 | $47.89 | 110,088 | D | S |
| 08 Dec, 2025 | Scott Dreyer | Common Stock | D | 6,475 | $48.66 | 103,613 | D | S |
| 08 Dec, 2025 | Scott Dreyer | Common Stock | A | 17,600 | $15.90 | 121,213 | D | M |
| 05 Dec, 2025 | Rita J. Balice-Gordon | Common Stock | D | 3,650 | $47.03 | 52,629 | D | S |
| 12 Nov, 2025 | John A. Fallon | Common Stock | A | 15,000 | $16.49 | 79,634 | D | M |
| 12 Nov, 2025 | John A. Fallon | Common Stock | D | 34,853 | $47.21 | 64,634 | D | S |
| 12 Nov, 2025 | John A. Fallon | Common Stock | A | 19,853 | $9.33 | 99,487 | D | M |
| 12 Nov, 2025 | Vikram Karnani | Common Stock | D | 8,983 | $47.35 | 96,989 | D | F |
| 06 Nov, 2025 | Colleen Tupper | Common Stock | D | 4,858 | $41.28 | 126,667 | D | S |
| 06 Nov, 2025 | Colleen Tupper | Common Stock | D | 25,142 | $40.38 | 131,525 | D | S |
| 29 Aug, 2025 | Thomas B Smith | Common Stock | D | 17,478 | $38.42 | 70,264 | D | S |
| 29 Aug, 2025 | Thomas B Smith | - | - | 70,264 | D | |||
| 18 Aug, 2025 | Scott Dreyer | Common Stock | A | 16,389 | $21.34 | 120,002 | D | M |
| 18 Aug, 2025 | Scott Dreyer | Common Stock | D | 16,389 | $38.21 | 103,613 | D | S |
| 15 Aug, 2025 | Gino Santini | - | - | 100,447 | D | |||
| 15 Aug, 2025 | Gino Santini | Common Stock | D | 5,405 | $37.19 | 95,042 | D | S |
| 15 Aug, 2025 | Gino Santini | - | - | 95,042 | D | |||
| 15 Aug, 2025 | Gino Santini | Common Stock | A | 15,000 | $13.45 | 100,447 | D | M |
| 13 Aug, 2025 | Capital Management Lp Rubric | - | - | 3,132,743 | I | |||
| 13 Aug, 2025 | Capital Management Lp Rubric | Common Stock, par value $0.001 per share | D | 25,000 | $37.85 | 3,132,743 | I | S |