Transaction · 0001705407-26-000012

Baker Cary

Baker Cary, CFO, reported a transaction classified as withholding at IMPINJ INC involving 424.000000 shares for an estimated $75132.80. Reported holdings after the transaction were 81039.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

withholdingSEC transaction code FCFO
PIIMPINJ INC
Trade date
Sep 23, 2026
Filing date
Sep 24, 2026
View on SEC Insider profile
Estimated value-$75.1kShares × reported price
Shares traded424$177.20 per share
Holdings after81.0kDirect
% of reported position tradedUnavailableThis security and ownership context
How reported position traded is calculated

Calculated only for code-P purchases and code-S sales.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

PI price since this filing

Daily closing prices, with the filing date and available return windows
PI · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago -8.8%1w ago +0.6%1d ago +2.9%
Returns since7d +4.1%30d90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
withholding
Code F
Identifier
0001705407-26-000012
Common Stock
Transaction date
Sep 23, 2026
Filed Sep 24, 2026, 10:06 PM · 1d delay
Shares
424 sh
$177.20 per share
Estimated value
-$75.1k
Computed from shares × price
Holdings after
81,039 sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Direct Ownership
Filing-only score

-12 points

Compact filing score computed from stored Form 4 facts. Version v1.

Mixed or weak signal

This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.

How this score is calculated
  • direct_ownership+6 points

    direct_or_indirect_ownership = D

    Direct ownership reports the insider's personal stake.
  • timely_filing+4 points

    reporting_delay_days = 1

    Filing reported within two business days of the transaction.
  • tax_withholding-22 points

    transaction_code = F

    Tax withholding on vesting shares is mechanical.
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

CHIEF FINANCIAL OFFICER

Officer YesDirector No10% NoOther No
Footnotes & amended
  1. F1

    In an exempt disposition to the Issuer under Rule 16b-3(e), the Reporting Person remitted shares to the Issuer in connection with the satisfaction of tax withholding obligations arising out of the ves…

  2. F2

    Each RSU represents a contingent right to receive one share of Impinj common stock.

  3. F3

    On March 23, 2023, the reporting person was granted 7,665 RSUs. One-sixteenth of these vested on September 23, 2026.

  4. F4

    On March 23, 2024, the reporting person was granted 9,545 RSUs. One-sixteenth of these vested on September 23, 2026.

Original filing · 0001705407-26-000012
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