M. Scot Roberts - Jan 30, 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 30, 2025
Transactions value $
-$29,807
Form type
4
Date filed
2/3/2025, 08:43 PM
Previous filing
Jan 28, 2025
Next filing
Aug 4, 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 +9.28K +17.29% $0.00 62.9K Jan 30, 2025 Direct F2
transaction ALT Common Stock, par value $0.0001 Tax liability -$19K -2.71K -4.31% $7.00 60.2K Jan 30, 2025 Direct F1
transaction ALT Common Stock, par value $0.0001 Award $16.5K +3.18K +5.29% $5.18 63.4K Jan 31, 2025 Direct F3, F4
transaction ALT Common Stock, par value $0.0001 Options Exercise $0 +6.17K +9.73% $0.00 69.6K Feb 1, 2025 Direct F2
transaction ALT Common Stock, par value $0.0001 Tax liability -$12K -1.8K -2.59% $6.64 67.8K Feb 1, 2025 Direct F1
transaction ALT Common Stock, par value $0.0001 Options Exercise $0 +7.78K +11.47% $0.00 75.5K Feb 2, 2025 Direct F2
transaction ALT Common Stock, par value $0.0001 Tax liability -$15.4K -2.32K -3.07% $6.64 73.2K Feb 2, 2025 Direct F1

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 +9.28K +100% $0.00 18.6K Jan 30, 2025 Common Stock, par value $0.0001 9.28K Direct F1, F5
transaction ALT Restricted Stock Units Options Exercise $0 +6.17K $0.00 0 Feb 1, 2025 Common Stock, par value $0.0001 6.17K Direct F1, F6
transaction ALT Restricted Stock Units Options Exercise $0 +7.78K $0.00 7.78K Feb 2, 2025 Common Stock, par value $0.0001 7.78K Direct F1, F7
* 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 These shares were purchased due to participation by the reporting individual in the Issuer's 2019 Employee Stock Purchase Plan ("ESPP"). It pertains to the ESPP purchase period from August 1, 2024 through January 31, 2025.
F4 In accordance with the ESPP, these shares were purchased based on 85% of the closing price of the Issuer's common stock on August 1, 2024.
F5 The RSUs vest in substantially equal annual installments over the 4 years following January 30, 2023, subject to the reporting person's continued service through the applicable vesting date, and have no expiration date
F6 The RSUs vest in substantially equal annual installments over the 4 years following February 1, 2021, subject to the reporting person's continued service through the applicable vesting date, and have no expiration date.
F7 The RSUs vest in substantially equal annual installments over the 4 years following February 2, 2022, subject to the reporting person's continued service through the applicable vesting date, and have no expiration date