Griffin William F Jr
Director · Other reporting person · AGX
As of 2026-09-16, Griffin William F Jr has 18 Form 4 transactions on record across 1 company — 8 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Reconstructed holdings
Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.
Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-06-22 | AGX | Sale | 20,000 @ $760.43 | $15.2M | −32.8% of holding | 40,976 | Form 4 |
| 2026-06-18 | AGX | Sale | 30,000 @ $725.85 | $21.8M | −33.0% of holding | 60,976 | Form 4 |
| 2026-06-12 | AGX | Sale | 50,000 @ $643.46 | $32.2M | −35.5% of holding | 90,976 | Form 4 |
15 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-04-08 | AGX | Award / grant | 3,339 | 3,339 | Form 4 |
| 2025-12-05 | AGX | Other acquisition | 140,976 | 140,976 | Form 4 |
| 2025-12-05 | AGX | Other acquisition | 140,976 | 0 | Form 4 |
| 2025-12-01 | AGX | Other acquisition | 5,000 | 140,976 | Form 4 |
| 2025-12-01 | AGX | Other acquisition | 5,000 | 0 | Form 4 |
| 2025-08-05 | AGX | Other acquisition | 80,000 | 135,976 | Form 4 |
| 2025-08-05 | AGX | Other acquisition | 80,000 | 0 | Form 4 |
| 2025-05-13 | AGX | Other acquisition | 25,000 | 55,975 | Form 4 |
| 2025-05-13 | AGX | Other acquisition | 25,000 | 80,000 | Form 4 |
| 2025-05-09 | AGX | Other acquisition | 25,000 | 30,975 | Form 4 |
| 2025-05-09 | AGX | Other acquisition | 25,000 | 105,000 | Form 4 |
| 2025-04-18 | AGX | Option exercise | 3,371 | 5,975 | Form 4 |
| 2025-04-18 | AGX | Option exercise | 4,166 | 0 | Form 4 |
| 2025-04-10 | AGX | Other acquisition | 130,000 | 130,000 | Form 4 |
| 2025-04-10 | AGX | Other acquisition | 130,000 | 2,604 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.