Ph.D. Alfred P. Spada - 23 Feb 2023 Form 4 Insider Report for Histogen Inc.

Role: Executive Vice President and Chief Scientific Officer
Signature: /s/ Susan A. Knudson as attorney-in-fact for Alfred P. Spada, Ph.D.
Issuer symbol: N/A
Transactions as of: 23 Feb 2023
Net transactions value: $0
Form type: 4
Filing time: 27 Feb 2023, 15:18:17 UTC
Previous filing: 03 Feb 2023
SEC: View on sec.gov

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	HSTO	Stock Option (right to buy)	Award	$0	+106,793		$0.000000	106,793	23 Feb 2023	Common Stock	106,793	$1.04	Direct	F1, F2

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

Explanation of Responses:

Id	Content
F1	This option was issued to the Reporting Person as an inducement to employment with the Issuer. It is intended to be an inducement grant in accordance with Rule 5635(c)(4) of the Nasdaq Listing Rules.
F2	1/4 of the shares subject to the option vest one year after the date of grant, on 2/1/2024, and the remaining 1/36 of the shares vest on a monthly basis thereafter.

Remarks:

Executive Vice President and Chief Scientific Officer