Altimmune, Inc. (ALT) has 4 SEC Form 4 insider filings on record in the last 90 days. That includes 1 insider purchase totalling $44K. Most recent filing: Sept. 17, 2026.
| Date | Insider | Value | Shares | Stake | Pre-planned | Links |
|---|---|---|---|---|---|---|
| Sept. 17, 2026 filed Sept. 16, 2026 | Richardson Linda M Chief Commercial Officer | — | +17,174 | +31% | No | |
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| Aug. 13, 2026 | Durso Jerome Benedict President and CEO | +$44,250 | 15,000 | +32% | No | |
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| Aug. 3, 2026 filed July 31, 2026 | Roberts M Scot Chief Scientific Officer | $2,112 | 875 | +1% | No | |
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| Aug. 3, 2026 filed July 31, 2026 | WEAVER GREGORY L Chief Financial Officer | $4,232 | 1,753 | +5% | No | |
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Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.
Real-time Telegram alerts the moment a Form 4 is filed. Filings shown here are delayed by 72 hours.
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