M. Scot Roberts - 30 Jan 2025 Form 4 Insider Report for Altimmune, Inc. (ALT)

Signature
/s/ Greg Weaver, as Attorney-in-Fact
Issuer symbol
ALT
Transactions as of
30 Jan 2025
Net transactions value
-$29,807
Form type
4
Filing time
03 Feb 2025, 20:43:47 UTC
Previous filing
28 Jan 2025
Next filing
04 Aug 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 +9,275 +17% $0.000000 62,921 30 Jan 2025 Direct F2
transaction ALT Common Stock, par value $0.0001 Tax liability $18,963 -2,709 -4.3% $7.00 60,212 30 Jan 2025 Direct F1
transaction ALT Common Stock, par value $0.0001 Award $16,493 +3,184 +5.3% $5.18 63,396 31 Jan 2025 Direct F3, F4
transaction ALT Common Stock, par value $0.0001 Options Exercise $0 +6,166 +9.7% $0.000000 69,562 01 Feb 2025 Direct F2
transaction ALT Common Stock, par value $0.0001 Tax liability $11,959 -1,801 -2.6% $6.64 67,761 01 Feb 2025 Direct F1
transaction ALT Common Stock, par value $0.0001 Options Exercise $0 +7,775 +11% $0.000000 75,536 02 Feb 2025 Direct F2
transaction ALT Common Stock, par value $0.0001 Tax liability $15,378 -2,316 -3.1% $6.64 73,220 02 Feb 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 +9,275 +100% $0.000000 18,550 30 Jan 2025 Common Stock, par value $0.0001 9,275 Direct F1, F5
transaction ALT Restricted Stock Units Options Exercise $0 +6,166 $0.000000 0 01 Feb 2025 Common Stock, par value $0.0001 6,166 Direct F1, F6
transaction ALT Restricted Stock Units Options Exercise $0 +7,775 $0.000000 7,775 02 Feb 2025 Common Stock, par value $0.0001 7,775 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