Company · CIK 0001326190 · SIC 2834 — Pharmaceutical Preparations · Nasdaq
Altimmune, Inc. · ALT
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 16, 2026 FMForm 4 → | Sep 17, 4:05 pm EDT | Linda M RichardsonChief Commercial Officer | 30,826 | $3.24 | $22,116 | 17,174 | — | |
| Aug 13, 2026 PForm 4 → | Aug 13, 4:05 pm EDT | Jerome Benedict DursoPresident and CEO, Director | 15,000 | $2.95 | $44,250 | 62,500 | +31.6% | |
| Jul 31, 2026 AForm 4 → | Aug 3, 4:05 pm EDT | Gregory L WeaverChief Financial Officer | 1,753 | $2.41 | $4,232 | 39,831 | — | |
| Jul 31, 2026 AForm 4 → | Aug 3, 4:05 pm EDT | M Scot RobertsChief Scientific Officer | 875 | $2.41 | $2,112 | 113,699 | — |
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 16, 2026 MForm 4 → | Sep 17, 4:05 pm EDT | Linda M RichardsonChief Commercial Officer | 24,000 | — | — | 72,000 | — |