Data spanning the past 90 days through January 10, 2026 reveals that Adma Biologics's three principal insider shareholders consist of TenPercentOwner Advisors Llc Perceptive (13.26Mn shares), President And Ceo Adam S Grossman (3.15Mn shares), Director Steve Elms (2.12Mn shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Advisors Llc Perceptive | 13,262,375 | 30 Sep, 2021 | |
| Adam S Grossman | President And Ceo | 3,151,276 | 16 Dec, 2025 |
| Steve Elms | 2,119,060 | 16 Jun, 2025 | |
| Brian Lenz | Evp And Cfo | 703,002 | 08 Mar, 2024 |
| Kaitlin M. Kestenberg-Messina | Coo And Svp And Compliance | 488,690 | 01 Aug, 2025 |
| Jerrold B Grossman | 478,194 | 10 Jun, 2025 | |
| Young Kwon | 252,330 | 21 Feb, 2025 | |
| Brad L. Tade | Cfo And Treasurer | 239,419 | 28 Jul, 2025 |
| Lawrence P. Guiheen | 94,830 | 11 Jun, 2025 | |
| Bryant Fong | 83,941 | 28 Feb, 2024 | |
| Martha J Demski | 56,601 | 08 Mar, 2023 | |
| Alison Cecily Finger | 34,929 | 21 Feb, 2025 | |
| Eduardo Rene Salas | 10,889 | 21 Feb, 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 |
|---|---|---|---|---|---|---|---|---|
| 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 | A | 15,000 | $5.40 | 2,028,850 | D | M |
| 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 | D | 6,000 | $16.00 | 2,013,850 | 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 | 15,000 | $16.00 | 2,019,850 | 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 |
| 24 Oct, 2025 | Adam S Grossman | Common Stock | D | 15,000 | $16.00 | 2,025,850 | D | S |
| 15 Sep, 2025 | Adam S Grossman | Common Stock | A | 15,000 | $5.40 | 2,046,850 | D | M |
| 15 Sep, 2025 | Adam S Grossman | Common Stock | D | 6,000 | $16.13 | 2,025,850 | D | S |
| 15 Sep, 2025 | Adam S Grossman | Common Stock | D | 15,000 | $16.13 | 2,031,850 | D | S |
| 15 Aug, 2025 | Adam S Grossman | Common Stock | A | 15,000 | $5.40 | 2,052,850 | D | M |
| 15 Aug, 2025 | Adam S Grossman | Common Stock | D | 6,000 | $16.88 | 2,031,850 | D | S |
| 15 Aug, 2025 | Adam S Grossman | Common Stock | D | 15,000 | $16.88 | 2,037,850 | D | S |
| 30 Jul, 2025 | Kaitlin M. Kestenberg-Messina | Common Stock | D | 1,208 | $18.59 | 488,690 | D | F |
| 30 Jul, 2025 | Kaitlin M. Kestenberg-Messina | - | - | 488,690 | D | |||
| 30 Jul, 2025 | Kaitlin M. Kestenberg-Messina | Common Stock | A | 2,500 | $8.98 | 489,898 | D | M |
| 24 Jul, 2025 | Kaitlin M. Kestenberg-Messina | - | - | 487,398 | D | |||
| 24 Jul, 2025 | Kaitlin M. Kestenberg-Messina | Common Stock | D | 3,027 | $17.31 | 487,398 | D | F |