Based on data from the past 90 days ending February 19, 2026, Adma Biologics's three largest insider shareholders are TenPercentOwner Advisors Llc Perceptive (13.26Mn shares), President And Ceo Adam S Grossman (3.43Mn shares), Director Steve Elms (2.13Mn shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Advisors Llc Perceptive | 13,262,375 | 30 Sep, 2021 | |
| Adam S Grossman | President And Ceo | 3,427,805 | 17 Feb, 2026 |
| Steve Elms | 2,129,750 | 11 Feb, 2026 | |
| Brian Lenz | Evp And Cfo | 703,002 | 08 Mar, 2024 |
| Kaitlin M. Kestenberg-Messina | Coo And Svp And Compliance | 580,321 | 11 Feb, 2026 |
| Jerrold B Grossman | 488,884 | 11 Feb, 2026 | |
| Young Kwon | 263,020 | 11 Feb, 2026 | |
| Brad L. Tade | Cfo And Treasurer | 239,419 | 28 Jul, 2025 |
| Lawrence P. Guiheen | 105,520 | 11 Feb, 2026 | |
| Bryant Fong | 83,941 | 28 Feb, 2024 | |
| Martha J Demski | 56,601 | 08 Mar, 2023 | |
| Alison Cecily Finger | 45,619 | 11 Feb, 2026 | |
| Eduardo Rene Salas | 21,579 | 11 Feb, 2026 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 17 Feb, 2026 | Adam S Grossman | Common Stock | D | 15,000 | $16.08 | 2,290,379 | D | S |
| 17 Feb, 2026 | Adam S Grossman | Common Stock | D | 6,000 | $16.08 | 2,284,379 | D | S |
| 17 Feb, 2026 | Adam S Grossman | Common Stock | A | 15,000 | $5.40 | 2,305,379 | D | M |
| 09 Feb, 2026 | Steve Elms | Common Stock | A | 10,690 | $0.00 | 98,020 | D | A |
| 09 Feb, 2026 | Adam S Grossman | Common Stock | A | 282,529 | $0.00 | 2,290,379 | D | A |
| 09 Feb, 2026 | Jerrold B Grossman | Common Stock | A | 10,690 | $0.00 | 488,884 | D | A |
| 09 Feb, 2026 | Lawrence P. Guiheen | Common Stock | A | 10,690 | $0.00 | 105,520 | D | A |
| 09 Feb, 2026 | Alison Cecily Finger | Common Stock | A | 10,690 | $0.00 | 45,619 | D | A |
| 09 Feb, 2026 | Young Kwon | Common Stock | A | 10,690 | $0.00 | 263,020 | D | A |
| 09 Feb, 2026 | Eduardo Rene Salas | Common Stock | A | 10,690 | $0.00 | 21,579 | D | A |
| 09 Feb, 2026 | Kaitlin M. Kestenberg-Messina | Common Stock | A | 91,631 | $0.00 | 580,321 | D | A |
| 15 Dec, 2025 | Adam S Grossman | Common Stock | A | 15,000 | $5.40 | 2,028,850 | D | M |
| 15 Dec, 2025 | Adam S Grossman | Common Stock | D | 15,000 | $19.79 | 2,013,850 | D | S |
| 15 Dec, 2025 | Adam S Grossman | Common Stock | D | 6,000 | $19.79 | 2,007,850 | D | S |
| 19 Nov, 2025 | Adam S Grossman | Common Stock | A | 15,000 | $5.40 | 2,034,850 | D | M |
| 19 Nov, 2025 | Adam S Grossman | Common Stock | D | 6,000 | $16.00 | 2,013,850 | D | S |
| 19 Nov, 2025 | Adam S Grossman | Common Stock | D | 15,000 | $16.00 | 2,019,850 | D | S |
| 24 Oct, 2025 | Adam S Grossman | Common Stock | D | 15,000 | $16.00 | 2,025,850 | D | S |
| 24 Oct, 2025 | Adam S Grossman | Common Stock | A | 15,000 | $5.40 | 2,040,850 | D | M |
| 24 Oct, 2025 | Adam S Grossman | Common Stock | D | 6,000 | $16.00 | 2,019,850 | D | S |