[144] Impinj, Inc. SEC Filing

Rhea-AI Filing Summary

Impinj, Inc. (PI) Form 144 filing reveals an unidentified insider’s plan to sell 12,344 common shares through Charles Schwab, representing an aggregate market value of $1.98 million. The sale is slated for 08 Aug 2025 on the NASDAQ.

The shares were obtained the same day via an employee stock-option exercise. With 29.1 million shares outstanding, the proposed sale equals roughly 0.04 % of total float—too small to materially affect supply. No other insider sales occurred in the past three months, and the filer certifies awareness of no undisclosed adverse information.

Positive

• None.

Negative

• Insider intends to sell 12,344 shares (~$1.98 M), a potential—though minor—signal of profit-taking.

Insights

Securities Analyst

TL;DR: Small insider sale (~$2 M, 0.04 % of float); limited market impact but may hint at routine profit-taking.

The Form 144 discloses a modest disposition of 12,344 shares by an Impinj insider following an option exercise. At 0.04 % of outstanding shares, liquidity impact is negligible and unlikely to pressure the stock price. The absence of other recent sales and the standard representation of no undisclosed adverse information suggest this is a routine transaction rather than a bearish signal. Investors may monitor further filings for patterns, but on its own the event is neutral to valuation.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Charles Schwab & Co., Inc. 3000 Schwab Way Westlake TX 76262	12344	1975198.00	29089692	08/04/2025	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	08/04/2025	Employee Stock Option Exercise	IMPINJ, INC.			12344	08/04/2025	Broker Payment for Cashless Exercise

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks

Date of Notice

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

How many Impinj (PI) shares are being sold under this Form 144?

The filing covers 12,344 common shares.

What is the market value of the proposed Impinj share sale?

The shares are valued at approximately $1.98 million.

When is the insider sale expected to occur?

The approximate sale date is 08/04/2025.

How large is the sale relative to Impinj’s total shares outstanding?

It equals about 0.04 % of the 29.1 million shares currently outstanding.

How were the shares being sold acquired?

They were obtained through an employee stock-option exercise on the same date as the planned sale.