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

Signature
/s/ Greg Weaver, as Attorney-in-Fact
Issuer symbol
ALT
Transactions as of
25 Jan 2025
Transactions value $
-$29,763
Form type
4
Filing time
28 Jan 2025, 21:06:36 UTC
Previous filing
01 Aug 2024
Next filing
03 Feb 2025

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 25 Jan 2025 Direct F1
transaction ALT Common Stock, par value $0.0001 Tax liability -$29.8K -4.26K -7.36% $6.98 53.6K 25 Jan 2025 Direct F2
holding ALT Common Stock, par value $0.0001 15 25 Jan 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 25 Jan 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 27 Jan 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 27 Jan 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.