Based on data from the past 90 days ending January 10, 2026, Biolife Solutions's three largest insider shareholders are TenPercentOwner Partners Master Fund, L.P. Casdin (14.66Mn shares), President And Ceo Greef Roderick De (390.00K shares), Evp & Chief Scientific Officer Aby J. Mathew (349.35K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Partners Master Fund, L.P. Casdin | 14,664,330 | 02 May, 2024 | |
| Greef Roderick De | President And Ceo | 389,998 | 13 Nov, 2025 |
| Aby J. Mathew | Evp & Chief Scientific Officer | 349,350 | 08 Jan, 2026 |
| Michael Rice | 347,085 | 01 Nov, 2023 | |
| Karen A. Foster | Chief Quality And Operations | 191,984 | 08 Jan, 2026 |
| Troy Wichterman | Chief Financial Officer | 150,746 | 08 Jan, 2026 |
| Todd Berard | Chief Marketing Officer | 132,564 | 08 Jan, 2026 |
| Garrie Richardson | Chief Revenue Officer | 114,773 | 18 Sep, 2024 |
| Sarah Aebersold | Chief Human Resources Officer | 75,765 | 08 Jan, 2026 |
| Geraint Phillips | Svp And Global Operations | 65,998 | 12 Mar, 2024 |
| Rachel Ellingson | 49,825 | 20 Mar, 2025 | |
| Joydeep Goswami | 44,986 | 28 Oct, 2025 | |
| Joseph C Schick | 43,953 | 12 Mar, 2024 | |
| Marcus Schulz | Chief Revenue Officer | 42,097 | 29 Aug, 2023 |
| Timothy L. Moore | 36,773 | 20 Mar, 2025 | |
| Dusty Tenney | Coo And President | 32,079 | 13 May, 2021 |
| Raymond W Cohen | 27,763 | 14 Jul, 2021 | |
| Sean Werner | Chief Technology Officer | 25,927 | 28 Nov, 2025 |
| Amy Duross | 18,687 | 17 Dec, 2025 | |
| Andrew G Hinson | 17,675 | 18 Aug, 2021 | |
| Anthony Hunt | 6,876 | 20 Mar, 2025 | |
| Catherine Coste | 5,701 | 20 Mar, 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 |
|---|---|---|---|---|---|---|---|---|
| 06 Jan, 2026 | Aby J. Mathew | Common Stock | D | 405 | $25.59 | 349,350 | D | S |
| 06 Jan, 2026 | Todd Berard | Common Stock | D | 344 | $25.59 | 132,564 | D | S |
| 06 Jan, 2026 | Karen A. Foster | Common Stock | D | 335 | $25.59 | 191,984 | D | S |
| 06 Jan, 2026 | Sarah Aebersold | Common Stock | D | 241 | $25.59 | 75,765 | D | S |
| 06 Jan, 2026 | Troy Wichterman | Common Stock | D | 990 | $25.59 | 150,746 | D | S |
| 15 Dec, 2025 | Sarah Aebersold | Common Stock | D | 713 | $24.46 | 76,006 | D | S |
| 15 Dec, 2025 | Amy Duross | Common Stock | D | 2,000 | $24.60 | 18,687 | D | S |
| 09 Dec, 2025 | Aby J. Mathew | Common Stock | D | 631 | $25.13 | 349,755 | D | S |
| 09 Dec, 2025 | Todd Berard | Common Stock | D | 358 | $25.13 | 132,908 | D | S |
| 09 Dec, 2025 | Karen A. Foster | Common Stock | D | 519 | $25.13 | 192,319 | D | S |
| 09 Dec, 2025 | Sarah Aebersold | Common Stock | D | 233 | $25.13 | 76,719 | D | S |
| 09 Dec, 2025 | Troy Wichterman | Common Stock | D | 1,033 | $25.13 | 151,736 | D | S |
| 04 Dec, 2025 | Troy Wichterman | Common Stock | D | 30,000 | $25.72 | 152,769 | D | S |
| 26 Nov, 2025 | Amy Duross | Common Stock | D | 2,000 | $27.00 | 20,687 | D | S |
| 25 Nov, 2025 | Aby J. Mathew | Common Stock | D | 526 | $26.74 | 350,386 | D | S |
| 25 Nov, 2025 | Todd Berard | Common Stock | D | 351 | $26.74 | 133,266 | D | S |
| 25 Nov, 2025 | Karen A. Foster | Common Stock | D | 415 | $26.74 | 192,838 | D | S |
| 25 Nov, 2025 | Sarah Aebersold | Common Stock | D | 217 | $26.74 | 76,952 | D | S |
| 25 Nov, 2025 | Amy Duross | Common Stock | D | 2,000 | $27.00 | 22,687 | D | S |
| 25 Nov, 2025 | Troy Wichterman | Common Stock | D | 584 | $26.74 | 182,769 | D | S |