Impinj Inc (PI): Congress and insider trades

Who in Congress and inside the company traded PI, when each filing appeared, and what buying after each one would have earned against the S&P 500.

Key Facts

  • Impinj Inc (PI) is a listed stock on NASDAQ.
  • 2 members of Congress filed 2 buys and 1 sell of PI, the latest published 2025-05-20 (20 May 2025).
  • Insiders filed 0 open market buys worth $0 and 9 sells worth $33M, the latest filed 2026-08-12 (12 August 2026).
  • Across 2 scored buys, Congress averaged +19.3% against the S&P 500 (SPY) over the 90 days after disclosure, with 100% of them ahead of the index. That result is too few trades to draw a conclusion.
  • Data as of 2026-09-29 (29 September 2026).
Congress buys 2 2 members
Congress sells 1
Insider buys 0 $0
Insider sells 9 $33M
Congress buys vs S&P, 90d +19.3% 2 scored buys
Insider buys vs S&P, 90d n/a 0 scored buys

Congress trades in PI

as of 2025-05-20
  1. Don Beyer2 trades
  2. Marjorie Taylor Greene1 trade
Congress trades in PI, newest first.
FiledMemberTypeSizeDays to file90 day vs S&P
20 May 2025 Marjorie Taylor Greene (R-GA) buy 1K–15K 5 +31.6%
4 Mar 2022 Don Beyer (D-VA) sell 15K–50K 3 n/a
31 Oct 2021 Don Beyer (D-VA) buy 1K–15K 26 +7.0%

Insider trades in PI

as of 2026-08-12
Open market insider trades in PI, newest first.
FiledInsiderTypeSharesPriceValue90 day vs S&P
12 Aug 2026 Baker Cary sell 1,429 $185.00 $264K n/a
10 Jun 2026 SYLEBRA CAPITAL LLC sell 12,105 $127.36 $1.5M n/a
10 Jun 2026 SYLEBRA CAPITAL LLC sell 45,528 $128.94 $5.9M n/a
9 Jun 2026 SYLEBRA CAPITAL LLC sell 47,479 $124.06 $5.9M n/a
8 Jun 2026 SYLEBRA CAPITAL LLC sell 33,412 $136.84 $4.6M n/a
4 Jun 2026 SYLEBRA CAPITAL LLC sell 6,313 $139.17 $879K n/a
4 Jun 2026 SYLEBRA CAPITAL LLC sell 38,724 $142.31 $5.5M n/a
2 Jun 2026 SYLEBRA CAPITAL LLC sell 7,163 $144.29 $1.0M n/a
2 Jun 2026 SYLEBRA CAPITAL LLC sell 48,504 $150.78 $7.3M n/a

Frequently asked questions

Who has bought PI?

2 Congress buys by 2 members and 0 insider buys are on file. The tables on this page list every one.

Did buying PI after a disclosure beat the market?

Across 2 scored buys, Congress averaged +19.3% against the S&P 500 (SPY) over the 90 days after disclosure, with 100% of them ahead of the index. That result is too few trades to draw a conclusion. A single stock is a small sample.

Sources: Congressional trades: STOCK Act disclosures, collected from CapitolTrades. Insider trades: SEC Form 4 filings, collected from Finviz. Prices: Yahoo Finance daily adjusted closes. Data as of 2026-09-29 (29 September 2026). About these sources.

Not investment advice. Past disclosed trades do not predict future returns. Disclosures are published late, so the trades shown are ones you could only have copied after the fact. Talk to a licensed adviser before you invest.