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Altimmune, Inc. — Director's Dealing 2025
Nov 12, 2025
33207_dirs_2025-11-12_66c1cd43-cb3a-4d7c-96f1-d05a61dfb5aa.zip
Director's Dealing
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SEC Form 4 — Statement of Changes in Beneficial Ownership
Issuer: Altimmune, Inc. (ALT)
CIK: 0001326190
Period of Report: 2025-11-11
Reporting Person: WEAVER GREGORY L (N/A)
Non-Derivative Transactions
| Date | Security | Code | Shares | Price | A/D | Holdings After | Ownership |
|---|---|---|---|---|---|---|---|
| 2025-11-11 | Common Stock, par value $0.0001 | M | 18750 | — | Acquired | 28750 | Direct |
| 2025-11-11 | Common Stock, par value $0.0001 | F | 5672 | $4.28 | Disposed | 23078 | Direct |
Derivative Transactions
| Date | Security | Exercise Price | Code | Shares | A/D | Expiration | Underlying | Ownership |
|---|---|---|---|---|---|---|---|---|
| 2025-11-11 | Restricted Stock Units | $ | M | 18750 | Disposed | Common Stock, par value $0.0001 (18750) | Direct |
Footnotes
F1: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Common Stock, par value $0.0001, when vested.
F2: Vesting transaction: Shares surrendered to the Issuer solely to cover taxes associated with vesting of RSUs.
F3: The RSUs become vested over four (4) years with 25% of the shares vesting on November 11, 2025, with the remainder vesting in equal annual installments for the following three (3) years, subject to the reporting person's continued service through the applicable vesting date, and have no expiration date.