ALT
Altimmune Inc
NASDAQ: ALT · HEALTHCARE · BIOTECHNOLOGY
$2.60
-1.14% today
Updated 2026-04-30
Market cap
$511.15M
P/E ratio
—
P/S ratio
12,467.17x
EPS (TTM)
$-1.00
Dividend yield
—
52W range
$3 – $8
Volume
4.1M
Altimmune Inc (ALT) Insider transactions
Net insider activity
Net buying (5,033,288 shares)
Buy transactions
70
Sell transactions
30
All transactions
| Date | Insider | Title | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-03-06 | WEAVER, GREGORY L | Chief Financial Officer | Buy | 5,000 | $3.54 | $17700.00 |
| 2026-03-06 | DURSO, JEROME BENEDICT | Director, President and CEO | Buy | 20,000 | $3.54 | $70790.00 |
| 2026-02-26 | WEAVER, GREGORY L | Chief Financial Officer | Buy | 259,000 | — | — |
| 2026-02-26 | WEAVER, GREGORY L | Chief Financial Officer | Buy | 111,000 | — | — |
| 2026-02-26 | ROBERTS, M SCOT | Chief Scientific Officer | Buy | 222,670 | — | — |
| 2026-02-26 | ROBERTS, M SCOT | Chief Scientific Officer | Buy | 95,430 | — | — |
| 2026-02-02 | ROBERTS, M SCOT | Chief Scientific Officer | Sale | 7,775 | — | — |
| 2026-02-02 | ROBERTS, M SCOT | Chief Scientific Officer | Buy | 7,775 | — | — |
| 2026-02-02 | ROBERTS, M SCOT | Chief Scientific Officer | Sale | 2,329 | $5.55 | $12925.95 |
| 2026-01-31 | ROBERTS, M SCOT | Chief Scientific Officer | Buy | 5,567 | $3.07 | $17090.69 |
| 2026-01-31 | JORDT, RAYMOND M | Chief Business Officer | Buy | 4,571 | $3.07 | $14032.97 |
| 2026-01-31 | GARG, VIPIN K | Director | Buy | 6,926 | $3.07 | $21262.82 |
| 2026-01-30 | ROBERTS, M SCOT | Chief Scientific Officer | Sale | 9,275 | — | — |
| 2026-01-30 | ROBERTS, M SCOT | Chief Scientific Officer | Buy | 9,275 | — | — |
| 2026-01-30 | ROBERTS, M SCOT | Chief Scientific Officer | Sale | 2,859 | $5.60 | $16010.40 |
| 2026-01-30 | GARG, VIPIN K | Director | Sale | 26,775 | — | — |
| 2026-01-30 | GARG, VIPIN K | Director | Buy | 26,775 | — | — |
| 2026-01-30 | GARG, VIPIN K | Director | Sale | 11,632 | $5.60 | $65139.20 |
| 2026-01-27 | ROBERTS, M SCOT | Chief Scientific Officer | Sale | 15,850 | — | — |
| 2026-01-27 | ROBERTS, M SCOT | Chief Scientific Officer | Buy | 15,850 | — | — |
| 2026-01-27 | ROBERTS, M SCOT | Chief Scientific Officer | Sale | 4,748 | $6.18 | $29342.64 |
| 2026-01-27 | JORDT, RAYMOND M | Chief Business Officer | Sale | 15,850 | — | — |
| 2026-01-27 | JORDT, RAYMOND M | Chief Business Officer | Buy | 15,850 | — | — |
| 2026-01-27 | JORDT, RAYMOND M | Chief Business Officer | Sale | 4,229 | $6.18 | $26135.22 |
| 2026-01-27 | GARG, VIPIN K | Director | Sale | 41,200 | — | — |
| 2026-01-27 | GARG, VIPIN K | Director | Buy | 41,200 | — | — |
| 2026-01-27 | GARG, VIPIN K | Director | Sale | 17,898 | $6.18 | $110609.64 |
| 2026-01-25 | ROBERTS, M SCOT | Chief Scientific Officer | Sale | 14,600 | — | — |
| 2026-01-25 | ROBERTS, M SCOT | Chief Scientific Officer | Buy | 14,600 | — | — |
| 2026-01-25 | ROBERTS, M SCOT | Chief Scientific Officer | Sale | 4,373 | $5.50 | $24051.50 |
| 2026-01-25 | JORDT, RAYMOND M | Chief Business Officer | Sale | 14,600 | — | — |
| 2026-01-25 | JORDT, RAYMOND M | Chief Business Officer | Buy | 14,600 | — | — |
| 2026-01-25 | JORDT, RAYMOND M | Chief Business Officer | Sale | 3,855 | $5.50 | $21202.50 |
| 2026-01-25 | GARG, VIPIN K | Director | Sale | 42,050 | — | — |
| 2026-01-25 | GARG, VIPIN K | Director | Buy | 42,050 | — | — |
| 2026-01-25 | GARG, VIPIN K | Director | Sale | 17,984 | $5.50 | $98912.00 |
| 2026-01-08 | PISANO, WAYNE | Director | Buy | 5,000 | $4.08 | $20410.00 |
| 2026-01-05 | SOHN, CATHERINE A. | Director | Buy | 500 | $4.24 | $2117.55 |
| 2026-01-01 | JORDT, RAYMOND M | Chief Business Officer | Sale | 9,375 | — | — |
| 2026-01-01 | JORDT, RAYMOND M | Chief Business Officer | Buy | 9,375 | — | — |
| 2026-01-01 | JORDT, RAYMOND M | Chief Business Officer | Sale | 2,475 | $3.61 | $8934.75 |
| 2025-12-29 | JORKASKY, DIANE | Director | Buy | 527 | $3.80 | $2002.60 |
| 2025-12-23 | GILL, JOHN | Director | Buy | 12,500 | $4.10 | $51250.00 |
| 2025-12-22 | DURSO, JEROME BENEDICT | Director | Buy | 12,500 | $4.13 | $51568.75 |
| 2025-12-01 | DURSO, JEROME BENEDICT | Director, CEO-elect | Buy | 1,824,400 | — | — |
| 2025-12-01 | DURSO, JEROME BENEDICT | Director, CEO-elect | Buy | 633,700 | — | — |
| 2025-11-11 | WEAVER, GREGORY L | Chief Financial Officer | Sale | 18,750 | — | — |
| 2025-11-11 | WEAVER, GREGORY L | Chief Financial Officer | Buy | 18,750 | — | — |
| 2025-11-11 | WEAVER, GREGORY L | Chief Financial Officer | Sale | 5,672 | $4.28 | $24276.16 |
| 2025-10-01 | WEAVER, GREGORY L | Chief Financial Officer | Buy | 166,800 | — | — |
| 2025-10-01 | WEAVER, GREGORY L | Chief Financial Officer | Buy | 57,900 | — | — |
| 2025-10-01 | ARBET-ENGELS, CHRISTOPHE | Chief Medical Officer | Buy | 450,000 | — | — |
| 2025-10-01 | ARBET-ENGELS, CHRISTOPHE | Chief Medical Officer | Buy | 150,000 | — | — |
| 2025-09-25 | SOHN, CATHERINE A. | Director | Buy | 48,800 | — | — |
| 2025-09-25 | SCHAFER, KLAUS | Director | Buy | 48,800 | — | — |
| 2025-09-25 | SAYARE, MITCHEL | Director | Buy | 48,800 | — | — |
| 2025-09-25 | PISANO, WAYNE | Director | Buy | 48,800 | — | — |
| 2025-09-25 | LAWVER, TERI L | Director | Buy | 48,800 | — | — |
| 2025-09-25 | JORKASKY, DIANE | Director | Buy | 48,800 | — | — |
| 2025-09-25 | HODGES, PHILIP | Director | Buy | 48,800 | — | — |
| 2025-09-25 | GILL, JOHN | Director | Buy | 48,800 | — | — |
| 2025-09-25 | DURSO, JEROME BENEDICT | Director | Buy | 48,800 | — | — |
| 2025-09-16 | RICHARDSON, LINDA M | Chief Commercial Officer | Buy | 278,000 | — | — |
| 2025-09-16 | RICHARDSON, LINDA M | Chief Commercial Officer | Buy | 96,000 | — | — |
| 2025-07-31 | ROBERTS, M SCOT | Chief Scientific Officer | Buy | 846 | $3.14 | $2656.44 |
| 2025-07-31 | JORDT, RAYMOND M | Chief Business Officer | Buy | 1,368 | $3.14 | $4295.52 |
| 2025-07-31 | HARRIS, MATTHEW SCOTT | Chief Medical Officer | Buy | 2,018 | $3.14 | $6336.52 |
| 2025-03-17 | SOHN, CATHERINE A. | Director | Buy | 1,000 | $5.78 | $5784.50 |
| 2025-03-13 | WEAVER, GREGORY L | Chief Financial Officer | Buy | 10,000 | $5.20 | $51996.00 |
| 2025-03-07 | HARRIS, MATTHEW SCOTT | Chief Medical Officer | Sale | 67,787 | — | — |
| 2025-02-24 | LAWVER, TERI L | Director | Buy | 69,800 | — | — |
| 2025-02-24 | DURSO, JEROME BENEDICT | Director | Buy | 69,800 | — | — |
| 2025-02-06 | SOHN, CATHERINE A. | Director | Buy | 18,600 | — | — |
| 2025-02-02 | ROBERTS, M SCOT | Chief Scientific Officer | Buy | 7,775 | — | — |
| 2025-02-02 | ROBERTS, M SCOT | Chief Scientific Officer | Buy | 7,775 | — | — |
| 2025-02-02 | ROBERTS, M SCOT | Chief Scientific Officer | Sale | 2,316 | $6.64 | $15378.24 |
| 2025-02-02 | HARRIS, MATTHEW SCOTT | Chief Medical Officer | Buy | 7,775 | — | — |
| 2025-02-02 | HARRIS, MATTHEW SCOTT | Chief Medical Officer | Buy | 7,775 | — | — |
| 2025-02-02 | HARRIS, MATTHEW SCOTT | Chief Medical Officer | Sale | 2,708 | $6.64 | $17981.12 |
| 2025-02-02 | GARG, VIPIN K | Director, President and CEO | Buy | 18,950 | — | — |
| 2025-02-02 | GARG, VIPIN K | Director, President and CEO | Buy | 18,950 | — | — |
| 2025-02-02 | GARG, VIPIN K | Director, President and CEO | Sale | 8,282 | $6.64 | $54992.48 |
| 2025-02-01 | ROBERTS, M SCOT | Chief Scientific Officer | Buy | 6,166 | — | — |
| 2025-02-01 | ROBERTS, M SCOT | Chief Scientific Officer | Buy | 6,166 | — | — |
| 2025-02-01 | ROBERTS, M SCOT | Chief Scientific Officer | Sale | 1,801 | $6.64 | $11958.64 |
| 2025-02-01 | HARRIS, MATTHEW SCOTT | Chief Medical Officer | Buy | 6,166 | — | — |
| 2025-02-01 | HARRIS, MATTHEW SCOTT | Chief Medical Officer | Buy | 6,166 | — | — |
| 2025-02-01 | HARRIS, MATTHEW SCOTT | Chief Medical Officer | Sale | 2,109 | $6.64 | $14003.76 |
| 2025-02-01 | GARG, VIPIN K | Director, President and CEO | Buy | 16,545 | — | — |
| 2025-02-01 | GARG, VIPIN K | Director, President and CEO | Buy | 16,545 | — | — |
| 2025-02-01 | GARG, VIPIN K | Director, President and CEO | Sale | 7,231 | $6.64 | $48013.84 |
| 2025-01-31 | ROBERTS, M SCOT | Chief Scientific Officer | Buy | 3,184 | $5.18 | $16493.12 |
| 2025-01-31 | JORDT, RAYMOND M | Chief Business Officer | Buy | 2,614 | $5.18 | $13540.52 |
| 2025-01-31 | HARRIS, MATTHEW SCOTT | Chief Medical Officer | Buy | 1,905 | $5.18 | $9867.90 |
| 2025-01-31 | GARG, VIPIN K | Director, President and CEO | Buy | 4,105 | $5.18 | $21263.90 |
| 2025-01-30 | ROBERTS, M SCOT | Chief Scientific Officer | Buy | 9,275 | — | — |
| 2025-01-30 | ROBERTS, M SCOT | Chief Scientific Officer | Buy | 9,275 | — | — |
| 2025-01-30 | ROBERTS, M SCOT | Chief Scientific Officer | Sale | 2,709 | $7.00 | $18963.00 |
| 2025-01-30 | HARRIS, MATTHEW SCOTT | Chief Medical Officer | Buy | 9,275 | — | — |
| 2025-01-30 | HARRIS, MATTHEW SCOTT | Chief Medical Officer | Buy | 9,275 | — | — |