Stuart D. Porter - 29 May 2026 Form 4 Insider Report for LIXTE BIOTECHNOLOGY HOLDINGS, INC. (LIXT)

Reporting relationship: Director
Issuer ticker: LIXT
Reported as of: 29 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 01 Jun 2026, 16:01:15 UTC
Prior SEC filing: 01 Jun 2026
Next SEC filing: 14 Jul 2026
Source filing: View source filing
Reporting owner signature: /s/ Stuart D. Porter

Key filing fact

Stuart D. Porter filed Form 4 for LIXTE BIOTECHNOLOGY HOLDINGS, INC. (LIXT) on 01 Jun 2026.

Key facts

This page summarizes Stuart D. Porter's Form 4 filing for LIXTE BIOTECHNOLOGY HOLDINGS, INC. (LIXT).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 01 Jun 2026, 16:01.

Change

Previous filing in this sequence was filed on 01 Jun 2026.
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 0001520346 Primary reporting owner

Porter Stuart D

Relationship: Director
Address: 433 PLAZA REAL SUITE 275, BOCA RATON
Signature: /s/ Stuart D. Porter
Signature date: 01 Jun 2026

Reported non-derivative transactions

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

LIXT transaction

Common Stock

Award

Transaction value
Shares: +25,000
Change %
Price: $0.000000^*
Shares after: 25,000
Date: 29 May 2026
Ownership: Direct
Footnotes: F1

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Represents a grant of 25,000 restricted share units ("RSUs"). The RSUs were granted pursuant to the Lixte Biotechnology Holdings, Inc. 2020 Stock Incentive Plan. Each RSU represents a contingent right to receive one share of common stock upon vesting, subject to continued service. The RSUs shall vest 25% on May 29, 2026, and 25% on the last date of each subsequent calendar quarter thereafter until fully vested.