Joanne L. Viney Form 4/A Harpoon Therapeutics / Joanne L. Viney ownership change

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

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

1. Name and Address of Reporting Person^*

Viney Joanne L.

(Last) (First) (Middle)

C/O HARPOON THERAPEUTICS, INC.

131 OYSTER POINT BOULEVARD, SUITE 300

(Street)

SOUTH SAN FRANCISCO CA 94080

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Harpoon Therapeutics, Inc. [ HARP ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
05/04/2021

4. If Amendment, Date of Original Filed (Month/Day/Year)
05/07/2021

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)
			Code	V	Amount	(A) or (D)	Price

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Director Stock Option (Right to Buy)	$23.2(1)	05/04/2021		A		10,167		(2)	05/03/2031	Common Stock	10,167	$0.00	10,167	D
Director Stock Option (Right to Buy)	$23.2(3)	05/04/2021		A		2,571(4)		(5)	05/03/2031	Common Stock	2,571	$0.00	2,571	D

Explanation of Responses:

1. This option was erroneously reported with a price of $22.50 on the original Form 4 filed on May 7, 2021 due to an administrative error.

2. The stock option will fully vest and become exercisable on May 3, 2022, subject to the continuous service of the Reporting Person with the Issuer on such date. The original Form 4 filed on May 7, 2021 erroneously reported this vesting date as May 4, 2022.

3. This option was erroneously reported with a price of $22.50 on the original Form 4 filed on May 7, 2021 due to an administrative error related to the calculation date of the Black-Scholes value.

4. The number of shares underlying the option was erroneously reported as 2,653 on the original Form 4 filed on May 7, 2021 due to an administrative error related to the calculation date of the Black-Scholes value.

5. 50% of the shares subject to the option are fully vested and exercisable, and 25% will vest and become exercisable on September 30, 2021 and December 31, 2021, subject to the continuous service of the Reporting Person on each vesting date.

Remarks:

	/s/ Joanne L. Viney by Christopher Whitmore, Attorney-in-Fact	05/14/2021
	** 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).
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