David M. Maley - 01 Jul 2025 Form 4 Insider Report for ClearSign Technologies Corp (CLIR)

Role: Director
Signature: /s/ David M. Maley
Issuer symbol: CLIR
Transactions as of: 01 Jul 2025
Net transactions value: $0
Form type: 4
Filing time: 03 Jul 2025, 18:51:19 UTC
Previous filing: 03 Apr 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Maley David M	Director	8023 E. 63RD PLACE, SUITE 101, TULSA	/s/ David M. Maley	03 Jul 2025	0002021245

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	CLIR	Restricted Stock Units	Award	$0	+9,452	+9.8%	$0.000000	105,443	01 Jul 2025	Common Stock	9,452		Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	As compensation for services as a non-executive director during the quarter ending September 30, 2025, the reporting person was granted restricted stock units ("RSUs") under the ClearSign Technologies Corporation 2021 Equity Incentive Plan, pro-rated for the period beginning on July 1, 2025 and ending on July 25, 2025, the reporting person's last day of service as a non-executive director, and each RSU represents a right to receive one share of common stock or the cash equivalent thereof.
F2	The RSUs will vest upon the first to occur of: (1) a Change in Control (as defined in the applicable RSU award agreement), (2) the reporting person's Disability (as defined in the applicable RSU award agreement); (3) the reporting person's death; or (4) the reporting person's separation from service.

Content

As compensation for services as a non-executive director during the quarter ending September 30, 2025, the reporting person was granted restricted stock units ("RSUs") under the ClearSign Technologies Corporation 2021 Equity Incentive Plan, pro-rated for the period beginning on July 1, 2025 and ending on July 25, 2025, the reporting person's last day of service as a non-executive director, and each RSU represents a right to receive one share of common stock or the cash equivalent thereof.

The RSUs will vest upon the first to occur of: (1) a Change in Control (as defined in the applicable RSU award agreement), (2) the reporting person's Disability (as defined in the applicable RSU award agreement); (3) the reporting person's death; or (4) the reporting person's separation from service.