Altimmune (ALT) insider buying
6 open-market purchases of ALT by Altimmune's executives and directors since December 2025, worth $213,778 in total, from SEC Form 4 filings.
The most recent: Gregory L Weaver bought $17,700 on March 6, 2026.
The biggest buyer over the period is Jerome Benedict Durso: 2 purchases, $122,425.
By year
| Year | Purchases | Value |
|---|---|---|
| 2026 | 3 | $108,900 |
| 2025 | 3 | $104,878 |
Biggest buyers
| Insider | Buys | Value |
|---|---|---|
| Jerome Benedict Durso | 2 | $122,425 |
| John Gill | 1 | $51,250 |
| Wayne Pisano | 1 | $20,400 |
| Gregory L Weaver | 1 | $17,700 |
| Diane Jorkasky | 1 | $2,003 |
Every purchase
Newest first. From SEC Form 4 filings. Insider buying across the market.
| Date | Insider | Shares | Price | Value | Filing |
|---|---|---|---|---|---|
| Mar 6, 2026 | Gregory L Weaver |
5,000 | $3.54 | $17,700 | Form 4 |
| Mar 6, 2026 | Jerome Benedict Durso |
20,000 | $3.54 | $70,800 | Form 4 |
| Jan 8, 2026 | Wayne Pisano |
5,000 | $4.08 | $20,400 | Form 4 |
| Dec 29, 2025 | Diane Jorkasky |
527 | $3.80 | $2,003 | Form 4 |
| Dec 23, 2025 | John Gill |
12,500 | $4.10 | $51,250 | Form 4 |
| Dec 22, 2025 | Jerome Benedict Durso |
12,500 | $4.13 | $51,625 | Form 4 |
Questions
Are Altimmune insiders buying the stock?
6 open-market purchases of ALT by Altimmune's executives and directors since December 2025, worth $213,778 in total, from SEC Form 4 filings. The most recent: Gregory L Weaver bought $17,700 on March 6, 2026.
What counts as insider buying here?
Open-market purchases (Form 4 code P) by officers and directors. Option exercises, grants and purchases by 10% owners are left out.
From Altimmune's annual reports filed with the SEC (XBRL data), standardised by Investingly. Information only, not investment advice.