Wayne Pisano - 22 Dec 2022 Form 4 Insider Report for Altimmune, Inc. (ALT)

Role: Director
Signature: /s/ Richard Eisenstadt, as Attorney-in-Fact
Issuer symbol: ALT
Transactions as of: 22 Dec 2022
Net transactions value: -$248,268
Form type: 4
Filing time: 22 Dec 2022, 15:05:36 UTC
Previous filing: 30 Sep 2022
Next filing: 27 Apr 2023
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	$52,000	+20,000	+235%	$2.60	28,498	22 Dec 2022	Direct
transaction	ALT	Common Stock, par value $0.0001	Sale	$300,268	-20,000	-70%	$15.01	8,498	22 Dec 2022	Direct	F1, F2

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	Stock Options (option to buy)	Options Exercise	$0	-20,000	-100%	$0.000000^*	0	22 Dec 2022	Common Stock, par value $0.0001	20,000	$2.60	Direct	F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.
F2	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $15.0000 to $15.0900, inclusive. The reporting person undertakes to provide to Altimmune, Inc., any security holder of Altimmune, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.
F3	The option became vested and exercisable in two equal installments on February 28, 2019 and August 30, 2019, in each case, generally subject to the reporting person's continued service through the applicable vesting date.