Robert T. Hoffman Sr. - 03 Jan 2023 Form 4 Insider Report for ClearSign Technologies Corp (CLIR)

Role: Director
Signature: /s/ Robert T. Hoffman
Issuer symbol: CLIR
Transactions as of: 03 Jan 2023
Net transactions value: $0
Form type: 4
Filing time: 04 Jan 2023, 19:20:04 UTC
Previous filing: 04 Oct 2022
Next filing: 04 Apr 2023
SEC: View on sec.gov

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	+37,278		$0.000000	37,278	03 Jan 2023	Common Stock	37,278		Direct	F1, F2
holding	CLIR	Restricted Stock Units						20,946	03 Jan 2023	Common Stock	20,946		Direct	F2, F3
holding	CLIR	Restricted Stock Units						15,873	03 Jan 2023	Common Stock	15,873		Direct	F2, F4
holding	CLIR	Restricted Stock Units						12,121	03 Jan 2023	Common Stock	12,121		Direct	F2, F5
holding	CLIR	Restricted Stock Units						13,888	03 Jan 2023	Common Stock	13,888		Direct	F2, F6
holding	CLIR	Restricted Stock Units						12,500	03 Jan 2023	Common Stock	12,500		Direct	F2, F7
holding	CLIR	Restricted Stock Units						6,896	03 Jan 2023	Common Stock	6,896		Direct	F2, F8
holding	CLIR	Restricted Stock Units						6,896	03 Jan 2023	Common Stock	6,896		Direct	F2, F9
holding	CLIR	Option to Purchase Common Stock						20,000	03 Jan 2023	Common Stock	20,000	$3.97	Direct
holding	CLIR	Option to Purchase Common Stock						20,000	03 Jan 2023	Common Stock	20,000	$2.38	Direct
holding	CLIR	Option to Purchase Common Stock						20,000	03 Jan 2023	Common Stock	20,000	$2.30	Direct
holding	CLIR	Option to Purchase Common Stock						20,000	03 Jan 2023	Common Stock	20,000	$0.5400	Direct
holding	CLIR	Option to Purchase Common Stock						20,000	03 Jan 2023	Common Stock	20,000	$0.7200	Direct
holding	CLIR	Option to Purchase Common Stock						86,500	03 Jan 2023	Common Stock	86,500	$1.00	Direct	F10

* 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 March 31, 2023, the reporting person was granted restricted stock units ("RSUs") under the ClearSign Technologies Corporation 2021 Equity Incentive Plan 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 peron's death; or (4) the reporting person's separation from service.
F3	As compensation for services as a non-executive director during the quarter ended December 31, 2022, the reporting person was granted RSUs under the ClearSign Technologies Corporation 2021 Equity Incentive Plan and each RSU represents a right to receive one share of common stock or the cash equivalent thereof.
F4	As compensation for services as a non-executive director during the quarter ended September 30, 2022, the reporting person was granted RSUs under the ClearSign Technologies Corporation 2021 Equity Incentive Plan and each RSU represents a right to receive one share of common stock or the cash equivalent thereof.
F5	As compensation for services as a non-executive director during the quarter ended June 30, 2022, the reporting person was granted RSUs under the ClearSign Technologies Corporation 2021 Equity Incentive Plan and each RSU represents a right to receive one share of common stock or the cash equivalent thereof.
F6	As compensation for services as a non-executive director during the quarter ended March 31, 2022, the reporting person was granted RSUs under the ClearSign Technologies Corporation 2021 Equity Incentive Plan and each RSU represents a right to receive one share of common stock or the cash equivalent thereof.
F7	As compensation for services as a non-executive director during the quarter ended December 31, 2021, the reporting person was granted RSUs under the ClearSign Technologies Corporation 2021 Equity Incentive Plan and each RSU represents a right to receive one share of common stock or the cash equivalent thereof.
F8	As compensation for services as a non-executive director during the quarter ended September 30, 2021, the reporting person was granted RSUs under the ClearSign Technologies Corporation 2021 Equity Incentive Plan and each RSU represents a right to receive one share of common stock or the cash equivalent thereof.
F9	As compensation for services as a non-executive director during the quarter ended June 30, 2021, the reporting person was granted RSUs under the ClearSign Technologies Corporation 2021 Equity Incentive Plan and each RSU represents a right to receive one share of common stock or the cash equivalent thereof.
F10	The right to exercise the option and purchase the option shares vested in equal increments as follows: the right to purchase 21,625 shares vested on May 9, 2019 and the right to purchase the remaining 64,875 shares vested in equal increments on the last day of each calendar quarter during 2019.