| Insiders | Shares | % | Avg Price | Total $ | |
|---|---|---|---|---|---|
| Buys | 0 | ||||
| Sells | 9 | -258,106 | 100% | $39.57 | -$10,214,095 |
| Net | -9 | -258,106 | -100% | -$10,214,095 |
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Report Date |
|---|---|---|---|---|---|
| Rubric Capital Management LP | 10%+ Owner | $118,574,322 | -$946,250 | -0.79% | 13 Aug 2025 |
| Joseph Ciaffoni | President and CEO, Director | $14,992,018 | 12 Feb 2024 | ||
| Vikram Karnani | President and CEO, Director | $9,250,142 | 10 Feb 2026 | ||
| Colleen Tupper | EVP & Chief Financial Officer | $6,885,433 | -$1,444,003 | -17% | 10 Feb 2026 |
| Alison B. Fleming | EVP & Chief Technical Officer | $4,638,457 | 10 Aug 2021 | ||
| Thomas B. Smith MD | EVP and Chief Medical Officer | $4,237,934 | -$671,576 | -14% | 10 Feb 2026 |
| Richard Malamut | EVP and Chief Medical Officer | $4,204,935 | 10 Feb 2022 | ||
| Gino Santini | Director | $3,534,726 | -$201,018 | -5.4% | 15 Aug 2025 |
| David Dieter | EVP & General Counsel | $3,336,872 | -$228,110 | -6.4% | 09 Mar 2026 |
| John G. Freund MD | Director | $3,201,024 | -$602,790 | -16% | 08 Aug 2025 |
| Shirley R. Kuhlmann | EVP and General Counsel | $3,082,056 | 04 Mar 2025 | ||
| John A. Fallon MD | Director | $3,051,603 | -$1,645,536 | -35% | 12 Nov 2025 |
| Scott Dreyer | EVP & Chief Commercial Officer | $2,941,773 | -$4,303,138 | -59% | 03 Mar 2026 |
| Rita J. Balice-Gordon | Director | $2,475,341 | -$171,673 | -6.5% | 05 Dec 2025 |
| Gwen A. Melincoff | Director | $1,694,890 | 16 May 2024 | ||
| Garen G. Bohlin | Director | $1,667,296 | 15 May 2025 | ||
| Neil F. McFarlane | Director | $1,594,652 | 16 May 2024 | ||
| Michael Thomas Heffernan | Director | $1,536,011 | 10 Feb 2025 | ||
| Nancy Lurker | Director | $603,005 | 15 May 2025 | ||
| Carlos Paya V | Director | $524,405 | 15 May 2025 |
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| David Dieter | COLL | Common Stock | Sale | -6.4% | $228,110 | $36.65 | -6,224 | 91,047 | 09 Mar 2026 | Direct |
| Scott Dreyer | COLL | Common Stock | Sale | -41% | $2,019,437 | $40.41 | -49,976 | 71,770 | 03 Mar 2026 | Direct |
| David Dieter | COLL | Common Stock | Tax liability | -2.78% | -2,781 | 97,271 | 10 Feb 2026 | Direct | ||
| David Dieter | COLL | Common Stock | Award | 45.3% | 31,199 | 100,052 | 10 Feb 2026 | Direct | ||
| Vikram Karnani | COLL | Common Stock | Tax liability | -5.4% | -11,296 | 197,864 | 10 Feb 2026 | Direct | ||
| Vikram Karnani | COLL | Common Stock | Award | 114.8% | 111,795 | 209,160 | 10 Feb 2026 | Direct | ||
| Thomas B. Smith MD | COLL | Common Stock | Tax liability | -16.1% | -17,435 | 90,651 | 10 Feb 2026 | Direct | ||
| Thomas B. Smith MD | COLL | Common Stock | Award | 52.1% | 37,042 | 108,086 | 10 Feb 2026 | Direct | ||
| Colleen Tupper | COLL | Common Stock | Tax liability | -20.7% | -38,540 | 147,282 | 10 Feb 2026 | Direct | ||
| Colleen Tupper | COLL | Common Stock | Award | 46.7% | 59,155 | 185,822 | 10 Feb 2026 | Direct | ||
| Scott Dreyer | COLL | Common Stock | Tax liability | -20.6% | -31,592 | 121,746 | 10 Feb 2026 | Direct | ||
| Scott Dreyer | COLL | Common Stock | Award | 48% | 49,725 | 153,338 | 10 Feb 2026 | Direct | ||
| Scott Dreyer | COLL | Common Stock | Sale | -14.5% | $847,855 | $48.17 | -17,600 | 103,613 | 08 Dec 2025 | Direct |
| Scott Dreyer | COLL | Common Stock | Options Exercise | 17% | 17,600 | 121,213 | 08 Dec 2025 | Direct | ||
| Scott Dreyer | COLL | Stock Option (Right to Purchase) | Options Exercise | -100% | -17,600 | 0 | 08 Dec 2025 | Direct | ||
| Rita J. Balice-Gordon | COLL | Common Stock | Sale | -6.49% | $171,673 | $47.03 | -3,650 | 52,629 | 05 Dec 2025 | Direct |
| Vikram Karnani | COLL | Common Stock | Tax liability | -8.48% | -8,983 | 96,989 | 12 Nov 2025 | Direct | ||
| John A. Fallon MD | COLL | Common Stock | Sale | -35% | $1,645,536 | $47.21 | -34,853 | 64,634 | 12 Nov 2025 | Direct |
| John A. Fallon MD | COLL | Common Stock | Options Exercise | 53.9% | 34,853 | 99,487 | 12 Nov 2025 | Direct | ||
| John A. Fallon MD | COLL | Stock Option (Right to Purchase) | Options Exercise | -100% | -34,853 | 0 | 12 Nov 2025 | Direct | ||
| Colleen Tupper | COLL | Common Stock | Sale | -19.2% | $1,215,753 | $40.53 | -30,000 | 126,667 | 06 Nov 2025 | Direct |
| Thomas B. Smith MD | COLL | Common Stock | Sale | -19.9% | $671,576 | $38.42 | -17,478 | 70,264 | 29 Aug 2025 | Direct |
| Scott Dreyer | COLL | Common Stock | Sale | -13.7% | $626,171 | $38.21 | -16,389 | 103,613 | 18 Aug 2025 | Direct |
| Scott Dreyer | COLL | Common Stock | Options Exercise | 15.8% | 16,389 | 120,002 | 18 Aug 2025 | Direct | ||
| Scott Dreyer | COLL | Stock Option (Right to Purchase) | Options Exercise | -100% | -16,389 | 0 | 18 Aug 2025 | Direct | ||
| Gino Santini | COLL | Common Stock | Sale | -5.38% | $201,018 | $37.19 | -5,405 | 95,042 | 15 Aug 2025 | Direct |
| Gino Santini | COLL | Common Stock | Options Exercise | 17.6% | 15,000 | 100,447 | 15 Aug 2025 | Direct | ||
| Gino Santini | COLL | Stock Option (Right to Purchase) | Options Exercise | -100% | -15,000 | 0 | 15 Aug 2025 | Direct | ||
| Scott Dreyer | COLL | Common Stock | Sale | -4.48% | $184,881 | $38.03 | -4,861 | 103,613 | 13 Aug 2025 | Direct |
| Scott Dreyer | COLL | Common Stock | Options Exercise | 4.69% | 4,861 | 108,474 | 13 Aug 2025 | Direct | ||
| Scott Dreyer | COLL | Stock Option (Right to Purchase) | Options Exercise | -22.9% | -4,861 | 16,389 | 13 Aug 2025 | Direct | ||
| Rubric Capital Management LP | COLL | Common Stock, par value $0.001 per share | Sale | -0.79% | $946,250 | $37.85 | -25,000 | 3,132,743 | 13 Aug 2025 | See footnotes |
| John G. Freund MD | COLL | Common Stock | Sale | -33.5% | $400,641 | $34.36 | -11,659 | 23,129 | 08 Aug 2025 | By: John Freund Family Partnership IV, L.P. |
| John G. Freund MD | COLL | Common Stock | Sale | -8.54% | $202,149 | $30.62 | -6,601 | 70,658 | 09 Jun 2025 | Direct |
| John G. Freund MD | COLL | Common Stock | Options Exercise | 24.1% | 15,000 | 77,259 | 09 Jun 2025 | Direct | ||
| John G. Freund MD | COLL | Stock Option (Right to Purchase) | Options Exercise | -100% | -15,000 | 0 | 09 Jun 2025 | Direct | ||
| John A. Fallon MD | COLL | Common Stock | Award | 17.8% | 9,791 | 64,634 | 15 May 2025 | Direct | ||
| Nancy Lurker | COLL | Common Stock | Award | 76.9% | 9,791 | 22,517 | 15 May 2025 | Direct | ||
| Garen G. Bohlin | COLL | Common Stock | Award | 18.7% | 9,791 | 62,259 | 15 May 2025 | Direct | ||
| Rita J. Balice-Gordon | COLL | Common Stock | Award | 21.1% | 9,791 | 56,279 | 15 May 2025 | Direct | ||
| John G. Freund MD | COLL | Common Stock | Award | 18.7% | 9,791 | 62,259 | 15 May 2025 | Direct | ||
| Gino Santini | COLL | Common Stock | Award | 12.9% | 9,791 | 85,447 | 15 May 2025 | Direct | ||
| Carlos V Paya MD | COLL | Common Stock | Award | 19,582 | 19,582 | 15 May 2025 | Direct | |||
| Colleen Tupper | COLL | Common Stock | Sale | -3.92% | $192,069 | $30.03 | -6,396 | 156,667 | 21 Mar 2025 | Direct |
| Scott Dreyer | COLL | Common Stock | Sale | -15.4% | $566,983 | $30.03 | -18,881 | 103,613 | 21 Mar 2025 | Direct |
| Colleen Tupper | COLL | Common Stock | Sale | -0.73% | $36,181 | $30.00 | -1,206 | 163,063 | 20 Mar 2025 | Direct |
| Scott Dreyer | COLL | Common Stock | Sale | -1.55% | $57,811 | $30.00 | -1,927 | 122,494 | 20 Mar 2025 | Direct |