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

Reporting relationship: Director
Issuer ticker: GLTO
Reported as of: 09 Feb 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 12 Feb 2026, 06:05:08 UTC
Prior SEC filing: 17 Nov 2025
Next SEC filing: 25 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Lori Firmani, attorney-in-fact

Key filing fact

Julianne Bruno filed Form 4 for Galecto, Inc. (GLTO) on 12 Feb 2026.

Key facts

This page summarizes Julianne Bruno's Form 4 filing for Galecto, Inc. (GLTO).
2 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 12 Feb 2026, 06:05.

Change

Previous filing in this sequence was filed on 17 Nov 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002019645 Primary reporting owner

Bruno Julianne

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

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

GLTO transaction

Common Stock

Options Exercise

Transaction value: $0
Shares: +129,000
Change %: +1606%
Price: $0.000000
Shares after: 137,032
Date: 09 Feb 2026
Ownership: Direct
Footnotes: F1, F2

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

GLTO transaction Derivative

Series C Preferred Stock

Options Exercise

Transaction value: $0
Shares: -129
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 09 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 129,000
Exercise price
Footnotes: F1, F2, F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote 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

Footnote F2

(Continued from footnote 1) following the date of the final prospectus supplement relating to the public offering, which was February 10, 2026.

Footnote 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.