Impinj CFO Baker Acquires 1,856 Shares, Sells 732 for Tax Obligations

Accepted by SEC EDGAR 06/24/2025 - 07:14 PM EDT

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Form Type

Rhea-AI Filing Summary

Impinj CFO Cary Baker reported multiple transactions on June 23, 2025, involving the vesting of Restricted Stock Units (RSUs) and related tax withholding:

Acquired 781 shares from 2022 RSU grant (1/16th vesting)
Acquired 479 shares from 2023 RSU grant (1/16th vesting)
Acquired 596 shares from 2024 RSU grant (1/16th vesting)
Disposed of 732 shares at $106.34 per share for tax withholding

Following these transactions, Baker directly owns 80,354 shares of common stock and retains 12,261 unvested RSUs (2,344 from 2022 grant, 3,354 from 2023 grant, and 6,563 from 2024 grant). The transactions were executed under Rule 16b-3(e) for tax obligation satisfaction.

Insider Trade Summary

1,856 shares exercised/converted

Exercise 7 txns

Insider Baker Cary

Role CHIEF FINANCIAL OFFICER

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	781	$0.00	$0.00
Exercise	Restricted Stock Units	479	$0.00	$0.00
Exercise	Restricted Stock Units	596	$0.00	$0.00
Exercise	Common Stock	781	$0.00	$0.00
Exercise	Common Stock	479	$0.00	$0.00
Exercise	Common Stock	596	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	732	$106.34	$78K

Holdings After Transaction: Restricted Stock Units — 12,261 units (Direct); Common Stock — 80,354 shares (Direct)

Holdings Before and After: Restricted Stock Units, 14,117 to 12,261 units (Direct); Common Stock, 79,230 to 80,354 shares (Direct)

Footnotes (5)

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 vesting of restricted stock units, or RSUs.
F2. Each RSU represents a contingent right to receive one share of Impinj common stock.
F3. On March 23, 2022, the reporting person was granted 12,500 RSUs. One-sixteenth of these vested on June 23, 2025.
F4. On March 23, 2023, the reporting person was granted 7,665 RSUs. One-sixteenth of these vested on June 23, 2025.
F5. On March 23, 2024, the reporting person was granted 9,545 RSUs. One-sixteenth of these vested on June 23, 2025.

FAQ

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How many Impinj (PI) shares does CFO Cary Baker own after the June 23, 2025 transactions?

According to the Form 4 filing, after all reported transactions on June 23, 2025, CFO Cary Baker directly owns 80,354 shares of Impinj (PI) common stock.

What transactions did Impinj (PI) CFO Cary Baker report on June 23, 2025?

On June 23, 2025, CFO Baker had multiple transactions: 1) Acquired 781 shares from RSUs vesting 2) Acquired 479 shares from RSUs vesting 3) Acquired 596 shares from RSUs vesting 4) Disposed of 732 shares at $106.34 per share to satisfy tax withholding obligations.

What is the vesting schedule for Impinj (PI) CFO Cary Baker's RSU grants?

The filing shows three RSU grants with 1/16th vesting schedules: 12,500 RSUs granted March 23, 2022, 7,665 RSUs granted March 23, 2023, and 9,545 RSUs granted March 23, 2024. Each grant vests in sixteen equal quarterly installments.

How many unvested RSUs does Impinj (PI) CFO Cary Baker still hold?

After the June 23, 2025 transactions, Baker still holds 12,261 unvested RSUs, consisting of 2,344 RSUs from the 2022 grant, 3,354 RSUs from the 2023 grant, and 6,563 RSUs from the 2024 grant.

What was the price of Impinj (PI) shares used for tax withholding on June 23, 2025?

The Form 4 shows that shares were disposed of at a price of $106.34 per share to satisfy tax withholding obligations related to the RSU vestings.

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Form 4 Insider Transactions: What Each Field Means →

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SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Baker Cary

(Last)

(First)

(Middle)

400 FAIRVIEW AVE N. SUITE 1200

(Street)

SEATTLE

98109

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
IMPINJ INC [ PI ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	CHIEF FINANCIAL OFFICER

3. Date of Earliest Transaction (Month/Day/Year)
06/23/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	06/23/2025		M		781	A	$0	80,011	D
Common Stock	06/23/2025		M		479	A	$0	80,490	D
Common Stock	06/23/2025		M		596	A	$0	81,086	D
Common Stock	06/23/2025		F⁽¹⁾		732	D	$106.34	80,354	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Units	$0⁽²⁾	06/23/2025		M			781	⁽³⁾	⁽³⁾	Common Stock	781	$0	2,344	D
Restricted Stock Units	$0⁽²⁾	06/23/2025		M			479	⁽⁴⁾	⁽⁴⁾	Common Stock	479	$0	3,354	D
Restricted Stock Units	$0⁽²⁾	06/23/2025		M			596	⁽⁵⁾	⁽⁵⁾	Common Stock	596	$0	6,563	D

Explanation of Responses:

1. 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 vesting of restricted stock units, or RSUs.

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

3. On March 23, 2022, the reporting person was granted 12,500 RSUs. One-sixteenth of these vested on June 23, 2025.

4. On March 23, 2023, the reporting person was granted 7,665 RSUs. One-sixteenth of these vested on June 23, 2025.

5. On March 23, 2024, the reporting person was granted 9,545 RSUs. One-sixteenth of these vested on June 23, 2025.

	/s/ Yukio Morikubo, Attorney in fact for Cary Baker	06/24/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

Source: View Original Filing on SEC EDGAR