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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1114995	Impinj Inc	PI	Electronic Components, Nec (3679)	912041398

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1677721	Ph.d. Chris Diorio	400 Fairview Avenue North Suite 1200 Seattle WA 98109	Chief Executive Officer	Yes	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	Explanation
Common Stock	Acquisiton	2023-09-15	1,562	$0.00	301,159	No	4	M	Direct
Common Stock	Disposition	2023-09-18	622	$63.22	300,537	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
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	Restricted Stock Units	Disposition	2023-09-15	1,562	$0.00	1,562	$0.00

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
4,688			No	4	M	Direct

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	572,494	Indirect	by DFT L.L.C.

Footnotes

The amount of securities beneficially owned includes 201 shares acquired on August 18, 2023 under the Impinj, Inc. 2016 Employee Stock Purchase Plan, in a transaction exempt under Rule 16b-3(c) that is being voluntarily reported by the reporting person on this Form 4.
These shares were disposed of in non-discretionary transactions to cover the reporting person's tax withholding obligations in connection with the settlement of an award of restricted stock units ("RSUs").
Each RSU represents a contingent right to receive one share of Impinj common stock.
On June 15, 2020, the reporting person was granted 25,000 RSUs, one fourth of which vested on June 15, 2021, with an additional one-sixteenth of such RSUs vesting every three months thereafter. One-sixteenth of these RSUs vested on September 15, 2023.