William F Jr Griffin
CIK 1384123 · GEMMA, NON-EXECUTIVE CHAIRMAN · last filed 2026-04-10
William F Jr Griffin is a GEMMA, NON-EXECUTIVE CHAIRMAN who has filed 69 SEC Form 4 insider transactions across 1 company since 2007. The most recent filing, for AGX, was dated Apr 10, 2026. Across all open-market trades the lifetime net is −$27.6M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $655.1M across reported positions.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$655.09M
1
69
-$27.56M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| AGX | Director | 1,020,902 | $641.68 | $655.09M | -$27.56M | 69 | 2026-04-10 |
Recent Filings
69 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-04-10 | AGX | Grant (A) | — | $0 | EDGAR |
| 2025-12-09 | AGX | Other (J) | — | $0 | EDGAR |
| 2025-12-02 | AGX | Other (J) | — | $0 | EDGAR |
| 2025-08-05 | AGX | Other (J) | — | $0 | EDGAR |
| 2025-05-13 | AGX | Mixed | +3,371 | $0 | EDGAR |
| 2025-04-15 | AGX | Other (J) | — | $0 | EDGAR |
| 2024-11-01 | AGX | Sell (S) | −7,500 | -$1.02M | EDGAR |
| 2024-10-28 | AGX | Gift (G) | — | $0 | EDGAR |
| 2024-09-18 | AGX | Sell (S) | −20,000 | -$1.80M | EDGAR |
| 2024-07-31 | AGX | Sell (S) | −20,000 | -$1.58M | EDGAR |