ADMA ADMA Biologics
ADMA Biologics (ADMA) Insider Activity
What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.
How much of that selling was preplanned? 93% planned / 7% discretionary
Largest single sale: $296.9K.
Where they traded
Last open-market purchase: May 27, 2026 , by Grossman Jerrold B .
Recent open-market activity
| Date | Insider | Role | Action | Shares | Price | Value | Held after |
|---|---|---|---|---|---|---|---|
| Grossman Jerrold B | Director | Buy | 6,400 | $7.91 | $50.6K | 520,284 | |
| Grossman Jerrold B | Director | Buy | 12,500 | $8.01 | $100.1K | 513,884 | |
| Grossman Jerrold B | Director | Buy | 12,500 | $8.01 | $100.1K | 501,384 | |
| Grossman Adam S 2 fills | President and CEO | Sell 10b5-1 | 21,000 | $15.16 | $318.4K | 2,118,777 −1% of holding | |
| Kestenberg-Messina Kaitlin M. | COO and SVP, Compliance | Sell | 10,096 | $15.63 | $157.8K | 466,600 −2.1% of holding | |
| ELMS STEVE | Director | Buy | 7,000 | $15.39 | $107.7K | 2,045,730 | |
| ELMS STEVE | Director | Buy | 7,000 | $15.67 | $109.7K | 2,038,730 | |
| Grossman Adam S 2 fills | President and CEO | Sell 10b5-1 | 21,000 | $16.08 | $337.7K | 2,290,379 −0.9% of holding | |
| Grossman Adam S 2 fills | President and CEO | Sell 10b5-1 | 21,000 | $19.79 | $415.6K | 2,013,850 −1% of holding | |
| Grossman Adam S 2 fills | President and CEO | Sell 10b5-1 | 21,000 | $16.00 | $336.0K | 2,019,850 −1% of holding | |
| Grossman Adam S 2 fills | President and CEO | Sell 10b5-1 | 21,000 | $16.00 | $336.0K | 2,025,850 −1% of holding | |
| Grossman Adam S 2 fills | President and CEO | Sell 10b5-1 | 21,000 | $16.13 | $338.7K | 2,031,850 −1% of holding |
Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.