Francis Lo - May 14, 2021 Form 4 Insider Report for Adaptive Biotechnologies Corp (ADPT)

Role: Chief People Officer
Signature: /s/ Francis Lo by Eric Billings, Attorney-in-Fact
Stock symbol: ADPT
Transactions as of: May 14, 2021
Transactions value $: -$52,000
Form type: 4
Date filed: 5/17/2021, 08:00 PM
Next filing: Mar 8, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ADPT	Common Stock	Options Exercise	$15.6K	+2K	+9.71%	$7.80	22.6K	May 14, 2021	Direct	F1
transaction	ADPT	Common Stock	Sale	-$67.6K	-2K	-8.85%	$33.80^*	20.6K	May 14, 2021	Direct	F1
holding	ADPT	Common Stock						2.5K	May 14, 2021	By You Jin Lee (spouse)

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	ADPT	Stock Option (Right To Buy)	Options Exercise	$0	-2K	-1.31%	$0.00	151K	May 14, 2021	Common Stock	2K	$7.80	Direct	F1, F2

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

Explanation of Responses:

Id	Content
F1	The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 18, 2020.
F2	The options vested with respect to 1/4 of such shares on May 6, 2020, with 1/48 of such shares vesting thereafter at the end of each full month of continuous service until fully vested.