Christian Hordo - Aug 30, 2021 Form 4 Insider Report for Sana Biotechnology, Inc. (SANA)

Role: EVP, Chief Business Officer
Signature: /s/ James J. MacDonald, Attorney-in-Fact for Christian Hordo
Stock symbol: SANA
Transactions as of: Aug 30, 2021
Transactions value $: -$55,905
Form type: 4
Date filed: 9/1/2021, 04:20 PM
Next filing: Sep 3, 2021

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	SANA	Common Stock	Options Exercise	$1.63K	+1.1K	+0.11%	$1.48	976K	Aug 30, 2021	Direct
transaction	SANA	Common Stock	Sale	-$27.5K	-1.1K	-0.11%	$25.01	975K	Aug 30, 2021	Direct	F1, F2
transaction	SANA	Common Stock	Sale	-$30K	-1.2K	-0.12%	$25.02	974K	Aug 30, 2021	Direct	F1, F3

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	SANA	Stock Option (Right to Buy)	Options Exercise	$0	-1.1K	-0.8%	$0.00	136K	Aug 30, 2021	Common Stock	1.1K	$1.48	Direct	F4

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

Explanation of Responses:

Id	Content
F1	The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 4, 2021.
F2	The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $25.00 to $25.03, inclusive. The reporting person undertakes to provide to Sana Biotechnology, Inc. (the "Company"), any security holder of the Company, 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 footnotes (2) and (3) to this Form 4.
F3	The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $25.000 to $25.025, inclusive.
F4	This option began vesting on February 14, 2020, with 25% of the underlying shares becoming vested and exercisable on February 14, 2021 and the remainder of the underlying shares vesting at a rate of 1/36th per month thereafter.