ALT NASDAQ
Altimmune, Inc.
1W: +0.3%
1M: -15.6%
3M: -33.1%
YTD: -37.5%
1Y: -36.7%
3Y: -29.2%
5Y: -77.3%
$2.90
-0.03 (-1.02%)
Weekly Expected Move ±12.0%
$2
$3
$3
$3
$4
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🏦 Institutional Activity
Latest: Q1 2026209
Institutions Holding
-2 vs prior
64.8%
Ownership
-32.35%
25
New
75
Increased
83
Reduced
56
Closed
👔 Insider Trades
25 records| Date | Name | Title | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-04-06 | GILL JOHN | director | P-Purchase | 9,200 | $3.41 | $31K | Filing |
| 2026-02-02 | Roberts M Scot | officer: chief scientific officer | F-Tax Withholding | 2,329 | $5.55 | $13K | Filing |
| 2026-01-31 | Roberts M Scot | officer: chief scientific officer | A-Grant/Award | 5,567 | $3.07 | $17K | Filing |
| 2026-01-31 | Jordt Raymond M | officer: chief business officer | A-Grant/Award | 4,571 | $3.07 | $14K | Filing |
| 2026-01-31 | Garg Vipin K | director | A-Grant/Award | 6,926 | $3.07 | $21K | Filing |
| 2026-01-30 | Roberts M Scot | officer: chief scientific officer | F-Tax Withholding | 2,859 | $5.60 | $16K | Filing |
| 2026-01-30 | Garg Vipin K | director | F-Tax Withholding | 11,632 | $5.60 | $65K | Filing |
| 2026-01-27 | Jordt Raymond M | officer: chief business officer | F-Tax Withholding | 4,229 | $6.18 | $26K | Filing |
| 2026-01-27 | Roberts M Scot | officer: chief scientific officer | F-Tax Withholding | 4,748 | $6.18 | $29K | Filing |
| 2026-01-27 | Garg Vipin K | director | F-Tax Withholding | 17,898 | $6.18 | $111K | Filing |
| 2026-01-25 | Garg Vipin K | director | F-Tax Withholding | 17,984 | $5.50 | $99K | Filing |
| 2026-01-25 | Roberts M Scot | officer: chief scientific officer | F-Tax Withholding | 4,373 | $5.50 | $24K | Filing |
| 2026-01-25 | Jordt Raymond M | officer: chief business officer | F-Tax Withholding | 3,855 | $5.50 | $21K | Filing |
| 2026-01-08 | Pisano Wayne | director | P-Purchase | 5,000 | $4.08 | $20K | Filing |
| 2026-01-05 | Sohn Catherine A. | director | P-Purchase | 500 | $4.24 | $2K | Filing |
| 2026-01-01 | Jordt Raymond M | officer: chief business officer | F-Tax Withholding | 2,475 | $3.61 | $9K | Filing |
| 2025-12-29 | Jorkasky Diane | director | P-Purchase | 527 | $3.80 | $2K | Filing |
| 2025-12-23 | GILL JOHN | director | P-Purchase | 12,500 | $4.10 | $51K | Filing |
| 2025-12-22 | Durso Jerome Benedict | director | P-Purchase | 12,500 | $4.13 | $52K | Filing |
| 2025-11-11 | WEAVER GREGORY L | officer: chief financial officer | F-Tax Withholding | 5,672 | $4.28 | $24K | Filing |
| 2025-07-31 | Roberts M Scot | officer: chief scientific officer | A-Grant/Award | 846 | $3.14 | $3K | Filing |
| 2025-07-31 | Jordt Raymond M | officer: chief business officer | A-Grant/Award | 1,368 | $3.14 | $4K | Filing |
| 2025-07-31 | Harris Matthew Scott | officer: chief medical officer | A-Grant/Award | 2,018 | $3.14 | $6K | Filing |
| 2025-03-17 | Sohn Catherine A. | director | P-Purchase | 1,000 | $5.78 | $6K | Filing |
| 2025-03-13 | WEAVER GREGORY L | officer: chief financial officer | P-Purchase | 10,000 | $5.20 | $52K | Filing |
🏛️ Congressional Trades
0 records| Date | Politician | Chamber | Type | Amount | Filing |
|---|---|---|---|---|---|
| No congressional trades found | |||||
🏦 Top Institutional Holders
20 holders| Holder | Shares | Value | Date Reported | Filing | |
|---|---|---|---|---|---|
| BlackRock, Inc. | 12,795,277 | $39M | +3,090,979 | 2026-03-31 | Filing |
| STATE STREET CORP | 7,145,550 | $22M | +2,025,847 | 2026-03-31 | Filing |
| VANGUARD CAPITAL MANAGEMENT LLC | 5,658,049 | $17M | +5,658,049 | 2026-03-31 | Filing |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 5,382,002 | $17M | +5,382,002 | 2026-03-31 | Filing |
| GEODE CAPITAL MANAGEMENT, LLC | 3,107,096 | $10M | +814,686 | 2026-03-31 | Filing |
| Nuveen, LLC | 2,334,601 | $7M | +1,090,390 | 2026-03-31 | Filing |
| GOLDMAN SACHS GROUP INC | 1,350,649 | $4M | +1,356 | 2026-03-31 | Filing |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1,325,956 | $4M | -43,061 | 2026-03-31 | Filing |
| DIMENSIONAL FUND ADVISORS LP | 1,045,926 | $3M | +762,223 | 2026-03-31 | Filing |
| NORTHERN TRUST CORP | 996,721 | $3M | +280,730 | 2026-03-31 | Filing |
| UBS Group AG | 904,768 | $3M | +262,720 | 2026-03-31 | Filing |
| VANGUARD FIDUCIARY TRUST CO | 869,318 | $3M | +869,318 | 2026-03-31 | Filing |
| FMR LLC | 673,964 | $2M | +109,871 | 2026-03-31 | Filing |
| TANG CAPITAL MANAGEMENT LLC | 666,022 | $2M | -1,465,285 | 2026-03-31 | Filing |
| Point72 Asset Management, L.P. | 665,289 | $2M | +665,289 | 2026-03-31 | Filing |
| SCHRODER INVESTMENT MANAGEMENT GROUP | 667,837 | $2M | +198,824 | 2026-03-31 | Filing |
| BANK OF AMERICA CORP /DE | 570,203 | $2M | +186,420 | 2026-03-31 | Filing |
| BNP PARIBAS FINANCIAL MARKETS | 435,078 | $1M | +257,773 | 2026-03-31 | Filing |
| Bank of New York Mellon Corp | 413,503 | $1M | +59,302 | 2026-03-31 | Filing |
| Beirne Wealth Consulting Services, LLC | 411,858 | $1M | +35,400 | 2026-03-31 | Filing |