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Filing Details

Accession Number:: 0001209191-16-139232
Form Type:: 4/A
Zero Holdings:: No
Publication Time:: 2016-08-30 21:50:33
Reporting Period:: 2016-07-26

Filing Date:: 2016-08-30
Accepted Time:: 2016-08-30 21:50:33
Original Submission Date:: 2016-07-26
SEC Url:: Form 4 Filing

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
1184752	A Tom Alberg	999 Third Avenue 34Th Floor Seattle WA 98104		Yes	No	No	No

Reported Non-Derivative Transactions

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Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2016-07-26	672,895	$0.00	672,895	No	4	C	Indirect	See footnote
Common Stock	Acquisiton	2016-07-26	515,236	$0.00	1,188,131	No	4	C	Indirect	See footnote
Common Stock	Acquisiton	2016-07-26	37,026	$7.46	1,225,157	No	4	X	Indirect	See footnote
Common Stock	Disposition	2016-07-26	19,720	$14.00	1,205,437	No	4	F	Indirect	See footnote
Common Stock	Acquisiton	2016-07-26	35,714	$14.00	35,714	No	4	P	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	C	Indirect	See footnote
No	4	C	Indirect	See footnote
No	4	X	Indirect	See footnote
No	4	F	Indirect	See footnote
No	4	P	Direct

Reported Derivative Transactions

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Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Series 1 Preferred Stock	Disposition	2016-07-26	672,895	$0.00	672,895	$0.00
Common Stock	Series 2 Preferred Stock	Disposition	2016-07-26	412,203	$0.00	412,203	$0.00
Common Stock	Series 2 Preferred Warrant (Right to Buy)	Disposition	2016-07-26	29,623	$0.00	29,623	$9.32

Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
	No	4	C	Indirect
	No	4	C	Indirect
2017-06-30	No	4	X	Indirect

Footnotes

Each share of Series 1 Preferred Stock automatically converted into one share of Common Stock immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.
72,531 of these shares are held of record by Madrona Managing Director Fund, LLC; 541,350 of these shares are held of record by Madrona Venture Fund I-A, L.P.; and 59,014 of these shares are held of record by Madrona Venture Fund I-B, L.P.
Madrona Investment Partners, LLC, as the sole general partner of Madrona Venture Fund I-A, L.P. and Madrona Venture Fund I-B, L.P., may be deemed to beneficially own certain of the shares held of record by Madrona Venture Fund I-A, L.P. and Madrona Venture Fund I-B, L.P. but disclaims beneficial ownership of such shares in which it does not have an actual pecuniary interest. Tom A. Alberg, a member of the board of directors, disclaims beneficial ownership of all shares held of record by Madrona Managing Director Fund, LLC, Madrona Venture Fund I-A, L.P. and Madrona Venture Fund I-B, L.P., in which he does not have an actual pecuniary interest. By virtue of their relationship as affiliated entities who have overlapping general partners and managing directors, Madrona Managing Director Fund, LLC, Madrona Venture Fund I-A, L.P., Madrona Venture Fund I-B, L.P., Madrona Investment Partners, LLC and Mr. Alberg may be deemed to share voting and investment control of the record shares.
Each share of Series 2 Preferred Stock automatically converted into 1.24996780424983 shares of Common Stock immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.
128,039 of these shares are held of record by Madrona Managing Director Fund, LLC; 955,957 of these shares are held of record by Madrona Venture Fund I-A, L.P.; and 104,135 of these shares are held of record by Madrona Venture Fund I-B, L.P.
The warrant was automatically net exercised immediately prior to the completion of the Issuer's initial public offering of Common Stock.
132,027 of these shares are held of record by Madrona Managing Director Fund, LLC; 985,753 of these shares are held of record by Madrona Venture Fund I-A, L.P.; and 107,377 of these shares are held of record by Madrona Venture Fund I-B, L.P.
129,902 of these shares are held of record by Madrona Managing Director Fund, LLC; 969,886 of these shares are held of record by Madrona Venture Fund I-A, L.P.; and 105,649 of these shares are held of record by Madrona Venture Fund I-B, L.P.