Jerrold B Grossman bought $100k of ADMA
director at ADMA BIOLOGICS, INC.. 12,500 shares at an average of $8.01, traded May 11, 2026, filed May 12, 2026.
Score components
- +15RoleDirector
- +10Trade size$100k at market
- 0Relative to holdingsHoldings up 2.6%
- +18Price context0% above the 52-week low; 64% below the 52-week high
- 0ClusterNo other insider buying within 14 days
- 0Repeat buyingFirst buy in 90 days
- 0Track recordToo few past buys to judge (0 with prices)
What happened after comparable buys
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001140361-26-020855, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| May 11, 2026 | POpen-market purchase Common Stock | +12,500 | $8.01 | $100k | 501,384 | May 12, 2026 |
Related signals
Other insiders at ADMA BIOLOGICS, INC. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 45Moderate | ADMAbuy ADMA BIOLOGICS, INC. | Jerrold B Grossman director | $51k 6,400 shares | +1% | |
| 48Moderate | ADMAbuy ADMA BIOLOGICS, INC. | Jerrold B Grossman director | $100k 12,500 shares | +2% | |
| 12Weak | ADMA BIOLOGICS, INC. | Adam S Grossman President and CEO | $318k 21,000 shares | -1% | |
| 24Weak | ADMA BIOLOGICS, INC. | Kaitlin M. Kestenberg-Messina COO and SVP, Compliance | $158k 10,096 shares | -2% | |
| 30Weak | ADMAbuy ADMA BIOLOGICS, INC. | Steve Elms director | $217k 14,000 shares | +1% | |
| 5Weak | ADMA BIOLOGICS, INC. | Adam S Grossman President and CEO | $338k 21,000 shares | -1% | |
| 6Weak | ADMA BIOLOGICS, INC. | Adam S Grossman President and CEO | $416k 21,000 shares | -1% | |
| 5Weak | ADMA BIOLOGICS, INC. | Adam S Grossman President and CEO | $336k 21,000 shares | -1% | |
| 5Weak | ADMA BIOLOGICS, INC. | Adam S Grossman President and CEO | $336k 21,000 shares | -1% | |
| 5Weak | ADMA BIOLOGICS, INC. | Adam S Grossman President and CEO | $339k 21,000 shares | -1% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.