Thomas Albert Sapio - 11 Feb 2026 Form 4 Insider Report for HCM IV Acquisition Corp.

Role: Director
Signature: /s/ Thomas Sapio, by Steven Bischoff with Power of Attorney
Issuer symbol: N/A
Transactions as of: 11 Feb 2026
Net transactions value: +$75
Form type: 4
Filing time: 18 Feb 2026, 11:50:41 UTC
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Sapio Thomas Albert	Director	C/O HCM IV ACQUISITION CORP., 85 WASHINGTON STREET, NORWALK	/s/ Thomas Sapio, by Steven Bischoff with Power of Attorney	18 Feb 2026	0002104074

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		Class B Ordinary Shares	Other	$75	+25,000		$0.003000	25,000	11 Feb 2026	Class A Ordinary Shares	25,000		Direct	F1, F2

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

Explanation of Responses:

Id	Content
F1	The Class B ordinary shares are automatically convertible into the shares of the Issuer's Class A ordinary shares at the time of the Issuer's initial business combination on a one-for-one basis, subject to adjustment pursuant to certain anti-dilution rights, and have no expiration date. The Class B ordinary shares are subject to forfeiture under certain circumstances relating to Mr. Sapio's service on the Issuer's Board of Directors.
F2	As contemplated by the securities purchase agreement between HCM Investor Holdings IV, LLC (the "Sponsor") and Mr. Sapio, dated February 11, 2026, the Sponsor assigned 25,000 Class B ordinary shares to Mr. Sapio in connection with Mr. Sapio's appointment to the Issuer's Board of Directors.

Content

The Class B ordinary shares are automatically convertible into the shares of the Issuer's Class A ordinary shares at the time of the Issuer's initial business combination on a one-for-one basis, subject to adjustment pursuant to certain anti-dilution rights, and have no expiration date. The Class B ordinary shares are subject to forfeiture under certain circumstances relating to Mr. Sapio's service on the Issuer's Board of Directors.

As contemplated by the securities purchase agreement between HCM Investor Holdings IV, LLC (the "Sponsor") and Mr. Sapio, dated February 11, 2026, the Sponsor assigned 25,000 Class B ordinary shares to Mr. Sapio in connection with Mr. Sapio's appointment to the Issuer's Board of Directors.