WEAVER GREGORY L — SEC Form 4 filings
SEC reporting owner CIK 1251779. 8 Form 4 filings on record with FilingPulse; latest filed 2026-08-03.
Transaction summary — filings shown
Covers all 8 filings on record, filed 2024-11-12 to 2026-08-03. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 3 legs across 3 filings — 25,000 shares, $101,195 total (shares × price as filed).
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 10.
- Largest priced transaction: purchase of 10,000 shares @ $5.20 ($51,996) in Altimmune, Inc., filed 2025-03-14.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Altimmune, Inc. (ALT) | Chief Financial Officer | 8 | 3 legs · 25,000 sh · $101,195 | — | 10 |
Form 4 filings — WEAVER GREGORY L
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-03 | 4 | Altimmune, Inc. (ALT) | Grant/award (A): 1,753 @ $2.41 | EDGAR |
| 2026-04-01 | 4 | Altimmune, Inc. (ALT) | Purchase (P): 10,000 @ $3.15 | EDGAR |
| 2026-03-09 | 4 | Altimmune, Inc. (ALT) | Purchase (P): 5,000 @ $3.54 | EDGAR |
| 2026-02-27 | 4 | Altimmune, Inc. (ALT) | Grant/award (A): 259,000 (derivative) @ $0 · Grant/award (A): 111,000 (derivative) @ $0 | EDGAR |
| 2025-11-12 | 4 | Altimmune, Inc. (ALT) | Option exercise (M): 18,750 @ $0 · Tax withholding (F): 5,672 @ $4.28 · Option exercise (M): 18,750 (derivative) @ $0 | EDGAR |
| 2025-10-03 | 4 | Altimmune, Inc. (ALT) | Grant/award (A): 166,800 (derivative) @ $0 · Grant/award (A): 57,900 (derivative) @ $0 | EDGAR |
| 2025-03-14 | 4 | Altimmune, Inc. (ALT) | Purchase (P): 10,000 @ $5.20 | EDGAR |
| 2024-11-12 | 4 | Altimmune, Inc. (ALT) | Grant/award (A): 225,000 (derivative) @ $0 · Grant/award (A): 75,000 (derivative) @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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