Seer, Inc. — Director's Dealing 2021

Dec 9, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Seer, Inc. (SEER)
CIK: 0001726445
Period of Report: 2021-12-06

Reporting Person: Horn David R. (Chief Financial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-12-06	Class A Common Stock	S	26273	$20.2559	Disposed	205592	Direct
2021-12-07	Class A Common Stock	M	28818	$3.47	Acquired	234410	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-12-07	Employee Stock Option (right to buy)	$3.47	M	28818	Disposed	2030-07-28	Class A Common Stock (28818)	Direct

Footnotes

F1: The reported shares were sold to satisfy the reporting person's tax obligations in connection with the vesting of restricted stock units, or RSUs.

F2: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.15 to $20.53, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

F3: Includes 899 shares of Class A Common Stock acquired under the Issuer's employee stock purchase plan on November 15, 2021.

F4: The shares underlying the option are subject to an early exercise provision and are immediately exercisable. One-fourth of the shares underlying the option vested on July 28, 2021 and 1/48th of the shares vest monthly thereafter.