8-K

Harpoon Therapeutics, Inc.

Date: October 23, 2023

/s/ Julie Eastland

Julie Eastland

President and Chief Executive Officer

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): October 23, 2023

Harpoon Therapeutics, Inc.

(Exact name of Registrant as Specified in Its Charter)

Delaware

001-38800

47-3458693

(State or Other Jurisdiction

of Incorporation)

(Commission
File Number)

(IRS Employer

Identification No.)

611 Gateway Boulevard, Suite 400

South San Francisco, California

94080

(Address of Principal Executive Offices)

(Zip Code)

(650) 443-7400

(Registrant’s Telephone Number, Including Area Code)

Not Applicable

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instructions A.2. below):

☐	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:


Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common stock, par value $0.0001 per share	HARP	The Nasdaq Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company ☒

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 8.01

Other Events.

On October 23, 2023, Harpoon Therapeutics, Inc., a Delaware corporation (the “Company”), presented updated interim monotherapy data from the Company’s Phase 1/2 clinical trial evaluating HPN328 in small cell lung cancer and other neuroendocrine tumor types at the European Society of Medical Oncology Congress (ESMO) 2023.

A copy of this presentation is being filed as Exhibit 99.1 hereto and incorporated by reference herein. The Company undertakes no obligation to update, supplement or amend the materials attached hereto as Exhibit 99.1.

Item 9.01

Financial Statements and Exhibits.


Exhibit No.		Description

99.1		ESMO Presentation

104		Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934 the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

SEC Form 8-K filed by Harpoon Therapeutics Inc.