Form 4
Tax / Compensation Filing
2026-05-29
PI insider Form 4 filed for equity award, exercise, or tax withholding
Gibson Daniel Patrick (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
Filing: Form 4 (Insider Transaction)
Insider: Gibson Daniel Patrick (Director)
Shares: 3,114
Form 4
Tax / Compensation Filing
2026-05-29
PI insider Form 4 filed for equity award, exercise, or tax withholding
Valdez Arthur L Jr (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
Filing: Form 4 (Insider Transaction)
Insider: Valdez Arthur L Jr (Director)
Form 4
Tax / Compensation Filing
2026-05-29
PI insider Form 4 filed for equity award, exercise, or tax withholding
WASHINGTON MIRON (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
Filing: Form 4 (Insider Transaction)
Insider: WASHINGTON MIRON (Director)
Shares: 3,114
Form 4
Tax / Compensation Filing
2026-05-29
PI insider Form 4 filed for equity award, exercise, or tax withholding
PADVAL UMESH (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
Filing: Form 4 (Insider Transaction)
Insider: PADVAL UMESH (Director)
Shares: 3,114
Form 4
Tax / Compensation Filing
2026-05-29
PI insider Form 4 filed for equity award, exercise, or tax withholding
Sanghi Steve (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
Filing: Form 4 (Insider Transaction)
Insider: Sanghi Steve (Director)
Shares: 3,425
Form 4
Tax / Compensation Filing
2026-05-29
PI insider Form 4 filed for equity award, exercise, or tax withholding
Rao Meera (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
Filing: Form 4 (Insider Transaction)
Insider: Rao Meera (Director)
Shares: 3,114
Form 8-K
Material Company Update
2026-05-29
PI filed 8-K — material company event
IMPINJ INC filed an 8-K with the SEC reporting a material event. Filing excerpt: XBRL Viewer
Filing: 8-K (Material Event)
Form 4
Insider Selling
2026-05-12
PI insider SYLEBRA CAPITAL LLC (Director) sold 73,810 shares (~$11.31M)
SYLEBRA CAPITAL LLC, listed as Director at IMPINJ INC, reported an open-market sale of 73,810 PI shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
Filing: Form 4 (Insider Transaction)
Insider: SYLEBRA CAPITAL LLC (Director)
Shares: 73,810
Est. Value: $11.31M
Form 4
Insider Selling
2026-05-11
PI insider SYLEBRA CAPITAL LLC (Director) sold 36,171 shares (~$5.52M)
SYLEBRA CAPITAL LLC, listed as Director at IMPINJ INC, reported an open-market sale of 36,171 PI shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
Filing: Form 4 (Insider Transaction)
Insider: SYLEBRA CAPITAL LLC (Director)
Shares: 36,171
Est. Value: $5.52M
Form 10-Q
Quarterly Report
2026-04-29
PI filed Quarterly Report (10-Q)
IMPINJ INC filed its quarterly report with the SEC. This report includes unaudited financial statements and management discussion for the quarter.
Filing: 10-Q (Quarterly Report)
Form 8-K
Material Company Update
2026-04-29
PI filed 8-K — material company event
IMPINJ INC filed an 8-K with the SEC reporting a material event. Filing excerpt: XBRL Viewer
Filing: 8-K (Material Event)
Form 4
Tax / Compensation Filing
2026-03-24
PI insider Form 4 filed for equity award, exercise, or tax withholding
Baker Cary (CHIEF FINANCIAL OFFICER) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
Filing: Form 4 (Insider Transaction)
Insider: Baker Cary (CHIEF FINANCIAL OFFICER)
Shares: 2,590
Form 4
Tax / Compensation Filing
2026-03-24
PI insider Form 4 filed for equity award, exercise, or tax withholding
DIORIO CHRIS PH.D. (Director, CHIEF EXECUTIVE OFFICER) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
Filing: Form 4 (Insider Transaction)
Insider: DIORIO CHRIS PH.D. (Director, CHIEF EXECUTIVE OFFICER)
Shares: 7,853
Form 8-K
Material Company Update
2026-03-16
PI filed 8-K — material company event
IMPINJ INC filed an 8-K with the SEC reporting a material event. Filing excerpt: XBRL Viewer
Filing: 8-K (Material Event)
Form 4
Tax / Compensation Filing
2026-02-23
PI insider Form 4 filed for equity award, exercise, or tax withholding
Baker Cary (CHIEF FINANCIAL OFFICER) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
Filing: Form 4 (Insider Transaction)
Insider: Baker Cary (CHIEF FINANCIAL OFFICER)
Shares: 10,742