Julianne Bruno - 09 Feb 2026 Form 4 Insider Report for Galecto, Inc. (GLTO)

Role: Director
Signature: /s/ Lori Firmani, attorney-in-fact
Issuer symbol: GLTO
Transactions as of: 09 Feb 2026
Net transactions value: $0
Form type: 4
Filing time: 12 Feb 2026, 06:05:08 UTC
Previous filing: 17 Nov 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Bruno Julianne	Director	C/O GALECTO, INC.,, 75 STATE STREET, SUITE 100, BOSTON	/s/ Lori Firmani, attorney-in-fact	12 Feb 2026	0002019645

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	GLTO	Common Stock	Options Exercise	$0	+129,000	+1606%	$0.000000	137,032	09 Feb 2026	Direct	F1, F2

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	GLTO	Series C Preferred Stock	Options Exercise	$0	-129	-100%	$0.000000	0	09 Feb 2026	Common Stock	129,000		Direct	F1, F2, F3

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

Explanation of Responses:

Id	Content
F1	On February 9, 2026, the Issuer's stockholders approved the issuance of Common Stock upon conversion of the Issuer's Series C Non-Voting Convertible Preferred Stock, par value $0.00001 per share ("Series C Preferred Stock") (the "Requisite Stockholder Approval"). Accordingly, pursuant to the terms of the Certificate of Designations of Preferences, Rights and Limitations of Series C Non-Voting Convertible Preferred Stock, 129 shares of Series C Preferred Stock held by the Reporting Person were converted into 129,000 shares of Common Stock. The securities of the Issuer held by the Reporting Person, including the shares of Common Stock received upon conversion of the Series C Preferred Stock, are subject to the terms a lock-up agreement entered into with the underwriters for the Issuer's public offering, pursuant to which the Reporting Person agreed, subject to certain exceptions, not to directly or indirectly sell or otherwise transfer securities of the Issuer for a period of 60 days
F2	(Continued from footnote 1) following the date of the final prospectus supplement relating to the public offering, which was February 10, 2026.
F3	Following receipt of the Requisite Stockholder Approval, each share of Series C Preferred Stock automatically converted into 1,000 shares of Common Stock, subject to certain beneficial ownership limitations. The Series C Preferred Stock has no expiration date.