Julie Rubinstein - Mar 4, 2024 Form 4 Insider Report for Adaptive Biotechnologies Corp (ADPT)

Role: President
Signature: /s/ Julie Rubinstein by Stacy L Taylor, Attorney-in-Fact
Stock symbol: ADPT
Transactions as of: Mar 4, 2024
Transactions value $: -$135,764
Form type: 4
Date filed: 3/6/2024, 07:41 PM
Previous filing: Mar 8, 2023

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ADPT	Common Stock	Award	$0	+175K	+51.96%	$0.00	512K	Mar 4, 2024	Direct
transaction	ADPT	Common Stock	Sale	-$87.7K	-25.6K	-5%	$3.43	486K	Mar 5, 2024	Direct	F1
transaction	ADPT	Common Stock	Sale	-$48K	-13.5K	-2.77%	$3.56	473K	Mar 5, 2024	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 Issuer's election under the 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 Issuer's election under the 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.