dMY Squared Technology Group, Inc. — Director's Dealing 2025

Sep 17, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: dMY Squared Technology Group, Inc. (DMYY)
CIK: 0001915380
Period of Report: 2025-09-15

Reporting Person: dMY Squared Sponsor, LLC (Director, 10% Owner)
Reporting Person: You Harry L. (Director, CEO, CFO & Chairman, 10% Owner)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-09-15	Class B Common Stock	$	J	416266	Disposed		Class A Common Stock (416266)	Direct

Footnotes

F1: The shares of Class B common stock, par value $0.0001 per share, are convertible for shares of the issuer's Class A common stock, par value $0.0001 per share, at the holder's election at any time and automatically at the time of the closing of the issuer's initial business combination, on a one-for-one basis, subject to adjustment pursuant to certain antidilution rights and have no expiration date.

F2: dMY Squared Sponsor, LLC (the "Sponsor") distributed these shares to one of its members, pro rata, for no consideration.

F3: The Sponsor is the record holder of the securities reported herein. Harry L. You is the managing member of the Sponsor and has voting and investment discretion with respect to the securities held of record by the Sponsor. Each of the Sponsor and Mr. You is a "Reporting Person" and may be deemed to beneficially own the securities reported herein; however, each Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. Solely for purposes of Section 16 of the Exchange Act, each Reporting Person may be deemed a "director by deputization".