Skip to main content
Signal8

Impinj Inc. (PI)

Impinj Inc. (PI) Insider Trading

Directors, officers and holders of more than 10% of PI report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.

Recent Form 4 transactions

The 50 most recent of 470 transactions on file: 0 with code P, 14 with code S and 36 with other codes.

DateInsiderCodeShares
Oct 29, 2026Rao MeeraS Sale1,729
Oct 20, 2026Valdez Arthur L JrM Exercise1,220
Oct 20, 2026Valdez Arthur L JrM Exercise1,220
Oct 12, 2026DIORIO CHRIS PH.D.G Gift10,000
Sep 23, 2026DIORIO CHRIS PH.D.M Exercise1,224
Sep 23, 2026DIORIO CHRIS PH.D.M Exercise1,224
Sep 23, 2026Baker CaryM Exercise596
Sep 23, 2026Baker CaryF Tax Payment424
Sep 23, 2026DIORIO CHRIS PH.D.F Tax Payment1,197
Sep 23, 2026DIORIO CHRIS PH.D.M Exercise1,817
Sep 23, 2026DIORIO CHRIS PH.D.M Exercise1,817
Sep 23, 2026Baker CaryM Exercise479
Sep 23, 2026Baker CaryM Exercise479
Sep 23, 2026Baker CaryM Exercise596
Sep 21, 2026Baker CaryS Sale8,892
Sep 15, 2026WASHINGTON MIRONS Sale800
Sep 14, 2026DIORIO CHRIS PH.D.G Gift10,000
Aug 20, 2026Baker CaryM Exercise1,739
Aug 20, 2026Baker CaryF Tax Payment685
Aug 20, 2026DIORIO CHRIS PH.D.M Exercise3,753
Aug 20, 2026DIORIO CHRIS PH.D.M Exercise3,753
Aug 20, 2026DIORIO CHRIS PH.D.F Tax Payment1,477
Aug 20, 2026Baker CaryM Exercise1,739
Aug 17, 2026DIORIO CHRIS PH.D.G Gift10,000
Aug 10, 2026Baker CaryS Sale1,429
Jul 13, 2026DIORIO CHRIS PH.D.G Gift10,000
Jun 23, 2026Baker CaryM Exercise479
Jun 23, 2026Baker CaryM Exercise597
Jun 23, 2026DIORIO CHRIS PH.D.M Exercise1,817
Jun 23, 2026Baker CaryM Exercise597
Jun 23, 2026Baker CaryM Exercise479
Jun 23, 2026Baker CaryF Tax Payment424
Jun 23, 2026DIORIO CHRIS PH.D.F Tax Payment1,197
Jun 23, 2026DIORIO CHRIS PH.D.M Exercise1,817
Jun 23, 2026DIORIO CHRIS PH.D.M Exercise1,223
Jun 23, 2026DIORIO CHRIS PH.D.M Exercise1,223
Jun 15, 2026DIORIO CHRIS PH.D.G Gift10,000
Jun 9, 2026SYLEBRA CAPITAL LLCS Sale19,105
Jun 8, 2026SYLEBRA CAPITAL LLCS Sale33,000
Jun 8, 2026SYLEBRA CAPITAL LLCS Sale12,528
Jun 5, 2026SYLEBRA CAPITAL LLCS Sale35,877
Jun 5, 2026SYLEBRA CAPITAL LLCS Sale11,602
Jun 4, 2026SYLEBRA CAPITAL LLCS Sale33,412
Jun 3, 2026SYLEBRA CAPITAL LLCS Sale6,313
Jun 2, 2026SYLEBRA CAPITAL LLCS Sale38,724
Jun 1, 2026SYLEBRA CAPITAL LLCS Sale7,163
May 29, 2026SYLEBRA CAPITAL LLCS Sale48,504
May 28, 2026Gibson Daniel PatrickM Exercise3,114
May 28, 2026Gibson Daniel PatrickA Award1,896
May 28, 2026Sanghi SteveA Award2,085

The full Form 4 history is on the PI company page (Insider Trades card, View all).

Questions about this data

Which insider transactions are open-market trades?

Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.

How quickly are insider trades reported?

A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.

Who has to file Form 4?

Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.

Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.