Lance Baldo - Mar 7, 2022 Form 4 Insider Report for Adaptive Biotechnologies Corp (ADPT)

Role: Chief Medical Officer
Signature: /s/ Lance Baldo by Eric Billings, attorney-in-fact
Stock symbol: ADPT
Transactions as of: Mar 7, 2022
Transactions value $: -$28,500
Form type: 4
Date filed: 3/8/2022, 08:01 PM
Next filing: Mar 10, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ADPT	Common Stock	Sale	-$28.5K	-2.37K	-10.37%	$12.01	20.5K	Mar 7, 2022	Direct	F1

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

Explanation of Responses:

Id	Content
F1	This transaction represents the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of RSUs. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person.

Content

This transaction represents the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of RSUs. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person.