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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1478320	Adaptive Biotechnologies Corp	ADPT	Biological Products, (No Disgnostic Substances) (2836)	270907024

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1799081	L Stacy Taylor	C/O Adaptive Biotechnologies 1165 Eastlake Ave E Seattle WA 98102	Svp And General Counsel	No	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock	Acquisiton	2021-12-22	10,130	$6.55	25,166	No	4	M	Direct
Common Stock	Acquisiton	2021-12-22	5,208	$7.80	30,374	No	4	M	Direct
Common Stock	Disposition	2021-12-22	15,338	$30.00	15,036	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	M	Direct
No	4	M	Direct
No	4	S	Direct

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Stock Option (Right to Buy)	Disposition	2021-12-22	10,130	$0.00	10,130	$6.55
Common Stock	Stock Option (Right to Buy)	Disposition	2021-12-22	5,208	$0.00	5,208	$7.80

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
5,313		2028-04-24	No	4	M	Direct
17,709		2029-04-23	No	4	M	Direct

Footnotes

The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 12, 2021.
The options vested with respect to 1/4 of such shares on March 12, 2019, with 1/48 of such shares vesting thereafter at the end of each full month of continuous service until fully vested.
The options vested with respect to 1/4 of such shares on April 23, 2020, with 1/48 of such shares vesting thereafter at the end of each full month of continuous service until fully vested.