Based on data from the past 90 days ending January 02, 2026, Collegium Pharmaceutical's three largest insider shareholders are TenPercentOwner Capital Management Lp Rubric (3.13Mn shares), Evp & Chief Technical Officer Alison B Fleming (143.69K shares), Evp & Chief Financial Officer Colleen Tupper (126.67K 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 |
| Paul Brannelly | Executive Vice President & Cfo | 215,428 | 12 Feb, 2021 |
| 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 | A | 17,600 | $15.90 | 121,213 | D | M |
| 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 |
| 05 Dec, 2025 | Rita J. Balice-Gordon | Common Stock | D | 3,650 | $47.03 | 52,629 | D | S |
| 12 Nov, 2025 | Vikram Karnani | Common Stock | D | 8,983 | $47.35 | 96,989 | D | F |
| 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 | A | 19,853 | $9.33 | 99,487 | D | M |
| 12 Nov, 2025 | John A. Fallon | Common Stock | D | 34,853 | $47.21 | 64,634 | D | S |
| 06 Nov, 2025 | Colleen Tupper | Common Stock | D | 25,142 | $40.38 | 131,525 | D | S |
| 06 Nov, 2025 | Colleen Tupper | Common Stock | D | 4,858 | $41.28 | 126,667 | 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 | Common Stock | A | 15,000 | $13.45 | 100,447 | D | M |
| 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 | |||
| 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 |
| 13 Aug, 2025 | Scott Dreyer | Common Stock | A | 4,861 | $21.34 | 108,474 | D | M |