CIK 0001326190 · Non-accelerated filer<br>Smaller reporting company
Altimmune, Inc.
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- ALT
- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- FY end
- Dec 31
- Incorporated
- DE
- Entity type
- operating
- EIN
- 202726770
- Phone
- 862-457-1450
- Business address
- 350 MOUNT KEMBLE AVENUE, SUITE 1001, MORRISTOWN, NJ, 07960
- Former names
- PHARMATHENE, INC, HEALTHCARE ACQUISITION CORP
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $0
- in 0 filings
Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-01-25 | Garg Vipin K Director | Option exercise | +42,050 | 397,132 | ||
| 2026-01-25 | Garg Vipin K Director | Shares withheld for taxes | −17,984 | $5.50 | $99K | 379,148 |
| 2026-01-25 | Garg Vipin K Director | Option exercise · Restricted Stock Units | −42,050 | 84,100 | ||
| 2026-01-08 | Pisano Wayne Director | Purchase | +5,000 | $4.08 | $20K | 13,498 |
| 2026-01-05 | Sohn Catherine A. Director | Purchase | +500 | $4.24 | $2K | 1,500 |
| 2026-01-01 | Jordt Raymond M Chief Business Officer | Option exercise | +9,375 | 45,645 | ||
| 2026-01-01 | Jordt Raymond M Chief Business Officer | Shares withheld for taxes | −2,475 | $3.61 | $9K | 43,170 |
| 2026-01-01 | Jordt Raymond M Chief Business Officer | Option exercise · Restricted Stock Units | −9,375 | 9,375 | ||
| 2025-12-29 | Jorkasky Diane Director | Purchase | +527 | $3.80 | $2K | 527 |
| 2025-12-23 | GILL JOHN Director | Purchase | +12,500 | $4.10 | $51K | 12,500 |
| 2025-12-22 | Durso Jerome Benedict Director | Purchase | +12,500 | $4.13 | $52K | 12,500 |
| 2025-12-01 | Durso Jerome Benedict CEO-elect | Grant or award · Stock Options (option to buy) | +1,824,400 | 1,824,400 | ||
| 2025-12-01 | Durso Jerome Benedict CEO-elect | Grant or award · Restricted Stock Units | +633,700 | 633,700 | ||
| 2025-11-11 | WEAVER GREGORY L Chief Financial Officer | Option exercise | +18,750 | 28,750 | ||
| 2025-11-11 | WEAVER GREGORY L Chief Financial Officer | Shares withheld for taxes | −5,672 | $4.28 | $24K | 23,078 |
| 2025-11-11 | WEAVER GREGORY L Chief Financial Officer | Option exercise · Restricted Stock Units | −18,750 | 56,250 | ||
| 2025-10-01 | WEAVER GREGORY L Chief Financial Officer | Grant or award · Stock Options (option to buy) | +166,800 | 166,800 | ||
| 2025-10-01 | WEAVER GREGORY L Chief Financial Officer | Grant or award · Restricted Stock Units | +57,900 | 57,900 | ||
| 2025-10-01 | Arbet-Engels Christophe Chief Medical Officer | Grant or award · Stock Options (option to buy) | +450,000 | 450,000 | ||
| 2025-10-01 | Arbet-Engels Christophe Chief Medical Officer | Grant or award · Restricted Stock Units | +150,000 | 150,000 |
Page 4 of 21 · 403 trades