ALT · ISSUER CIK 1326190
Altimmune, Inc.
Between Aug 1, 2026 and Oct 29, 2026, 5 Altimmune, Inc. insiders reported $44K of open-market purchases and $0.00 of sales on SEC Form 4. The largest buyer was Durso Jerome Benedict (President and CEO, Director), with $44K.
↗5 insiders filed
Original Form 4 filings from Aug 1, 2026 to Oct 29, 2026. No open-market sales in the window.
$44KInsider buying
$0.00Insider selling
+$44KNet open-market
Oct 5, 2026Latest filing
| Ticker | Insider | Type | Owned | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 5, 202616:10 | Oct 1, 2026 | ALT | Chief Medical Officer | M · Exercise | — | +37,500 | 37,500 | New | — | ||
| Oct 5, 202616:10 | Oct 1, 2026 | ALT | Chief Medical Officer | F · Tax | $2.76 | −12,679 | 24,821 | -34% | $35K | ||
| Oct 5, 202616:05 | Oct 1, 2026 | ALT | Chief Financial Officer | M · Exercise | — | +14,475 | 54,306 | +36% | — | ||
| Oct 5, 202616:05 | Oct 1, 2026 | ALT | Chief Financial Officer | F · Tax | $2.76 | −4,379 | 49,927 | -8% | $12K | ||
| Sep 17, 202616:05 | Sep 16, 2026 | ALT | Chief Commercial Officer | M · Exercise | — | +24,000 | 24,000 | New | — | ||
| Sep 17, 202616:05 | Sep 16, 2026 | ALT | Chief Commercial Officer | F · Tax | $3.24 | −6,826 | 17,174 | -28% | $22K | ||
| Aug 13, 202616:05 | Aug 13, 2026 | ALT | President and CEO, Director | P · Buy | $2.95 | +15,000 | 62,500 | +32% | +$44K | -6.7% | -27.5% |
| Aug 3, 202616:05 | Jul 31, 2026 | ALT | Chief Financial Officer | A · Grant | $2.41 | +1,753 | 39,831 | +5% | $4K | ||
| Aug 3, 202616:05 | Jul 31, 2026 | ALT | Chief Scientific Officer | A · Grant | $2.41 | +875 | 113,699 | +1% | $2K |