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 | — |
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 | — |