M. Scot Roberts - Jan 25, 2025 Form 4 Insider Report for Altimmune, Inc. (ALT)

Role
Chief Scientific Officer
Signature
/s/ Greg Weaver, as Attorney-in-Fact
Stock symbol
ALT
Transactions as of
Jan 25, 2025
Transactions value $
-$29,763
Form type
4
Date filed
1/28/2025, 09:06 PM
Previous filing
Aug 1, 2024
Next filing
Feb 3, 2025
SEC
View on sec.gov

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ALT Common Stock, par value $0.0001 Options Exercise $0 +14.6K +33.71% $0.00 57.9K Jan 25, 2025 Direct F1
transaction ALT Common Stock, par value $0.0001 Tax liability -$29.8K -4.26K -7.36% $6.98 53.6K Jan 25, 2025 Direct F2
holding ALT Common Stock, par value $0.0001 15 Jan 25, 2025 Shares held by spouse of Reporting Person

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction ALT Restricted Stock Units Options Exercise $0 +14.6K +50% $0.00 43.8K Jan 25, 2025 Common Stock, par value $0.0001 14.6K Direct F1, F3
transaction ALT Stock Options (option to buy) Award $0 +184K $0.00 184K Jan 27, 2025 Common Stock, par value $0.0001 184K $7.00 Direct F4
transaction ALT Restricted Stock Units Award $0 +63.4K $0.00 63.4K Jan 27, 2025 Common Stock, par value $0.0001 63.4K Direct F1, F5
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
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 vest in substantially equal annual installments over the 4 years following January 25, 2024, subject to the reporting person's continued service through the applicable vesting date, and have no expiration date.
F4 Twenty-five percent of the shares underlying the option become vested and released on January 27, 2026 and the remaining 75% of the shares underlying the option become vested and released in substantially equal monthly installments over the 36 months following January 27, 2026, subject to the reporting person's continued service through the applicable vesting date.
F5 The RSUs vest in substantially equal annual installments over the 4 years following January 27, 2025, subject to the reporting person's continued service through the applicable vesting date, and have no expiration date.

Remarks:

Exhibit 24 - Power of Attorney.