STOCK TITAN

LIXTE (LIXT) director cancels 25K options and receives 25K RSUs

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

LIXTE BIOTECHNOLOGY HOLDINGS, INC. director Felix Lourdes entered into a Stock Option Cancellation Agreement on April 15, 2026. The company canceled 25,000 stock options with a $4.05 exercise price that had been granted on December 24, 2025 and, in exchange, granted 25,000 restricted share units (RSUs).

Each RSU represents a right to receive one share of common stock upon vesting, and all 25,000 RSUs vested immediately on the grant date. Following these compensation-related transactions, Lourdes directly holds 25,000 shares of common stock, with no remaining options from the canceled grant.

Positive

  • None.

Negative

  • None.
Insider Felix Lourdes
Role Director
Type Security Shares Price Value
Disposition Stock Option (right to buy) 25,000 $0.00 --
Grant/Award Common Stock 25,000 $0.00 --
Holdings After Transaction: Stock Option (right to buy) — 0 shares (Direct); Common Stock — 25,000 shares (Direct)
Footnotes (1)
  1. On April 15, 2026, the Issuer canceled, pursuant to that certain Stock Option Cancellation Agreement dated April 15, 2026 between the Issuer and the Reporting Person, the 25,000 options (the "Options") granted to the Reporting Person on December 24, 2025. In exchange for the Options, the Reporting Person received 25,000 restricted share units ("RSUs"). The RSUs were granted pursuant to the applicable award agreement dated April 15, 2026 and 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 25,000 RSUs vest immediately upon grant. The canceled Options provided for vesting 50% on the grant date, the remaining 50% vesting in equal installments of 12.5% on March 31, 2026 and on the last date of each subsequent calendar quarter thereafter until fully vested.
Options canceled 25,000 options Canceled on April 15, 2026 under Stock Option Cancellation Agreement
Option exercise price $4.05 per share Exercise price of 25,000 canceled options granted December 24, 2025
RSUs granted 25,000 RSUs Granted April 15, 2026 in exchange for canceled options
RSU vesting 25,000 RSUs vest immediately Each RSU converts into one share of common stock upon vesting
Shares held after 25,000 shares Common stock directly owned by Felix Lourdes following transactions
Stock Option Cancellation Agreement financial
"the Issuer canceled, pursuant to that certain Stock Option Cancellation Agreement dated April 15, 2026"
restricted share units financial
"In exchange for the Options, the Reporting Person received 25,000 restricted share units ("RSUs")."
Restricted share units (RSUs) are a promise from a company to give an employee or service provider actual shares or cash equal to the shares after certain conditions are met, typically staying with the company for a set time or hitting performance targets. Think of them like a time-locked gift card that becomes usable only after you’ve earned it. For investors, RSUs matter because they align employee incentives with company performance and can increase the number of shares outstanding over time, diluting existing ownership and affecting earnings per share.
2020 Stock Incentive Plan financial
"The RSUs were granted pursuant to the applicable award agreement ... and the Lixte Biotechnology Holdings, Inc. 2020 Stock Incentive Plan."
vest financial
"The 25,000 RSUs vest immediately upon grant."
A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.
vesting financial
"The canceled Options provided for vesting 50% on the grant date, the remaining 50% vesting in equal installments"
Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Felix Lourdes

(Last)(First)(Middle)
433 PLAZA REAL SUITE 275

(Street)
BOCA RATON FLORIDA 33432

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
LIXTE BIOTECHNOLOGY HOLDINGS, INC. [ LIXT ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
04/15/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock04/15/2026A25,000A(1)25,000D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Stock Option (right to buy)$4.0504/15/2026D25,000 (2)12/24/2030Common Stock25,000(1)0D
Explanation of Responses:
1. On April 15, 2026, the Issuer canceled, pursuant to that certain Stock Option Cancellation Agreement dated April 15, 2026 between the Issuer and the Reporting Person, the 25,000 options (the "Options") granted to the Reporting Person on December 24, 2025. In exchange for the Options, the Reporting Person received 25,000 restricted share units ("RSUs"). The RSUs were granted pursuant to the applicable award agreement dated April 15, 2026 and 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 25,000 RSUs vest immediately upon grant.
2. The canceled Options provided for vesting 50% on the grant date, the remaining 50% vesting in equal installments of 12.5% on March 31, 2026 and on the last date of each subsequent calendar quarter thereafter until fully vested.
/s/ Lourdes Felix04/17/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did LIXT director Felix Lourdes report on this Form 4?

Felix Lourdes reported canceling 25,000 stock options and receiving 25,000 restricted share units in exchange. The RSUs vest immediately and convert into common stock, reflecting a restructuring of his equity compensation rather than any open-market buying or selling activity.

How many LIXT options were canceled and at what exercise price?

The filing shows 25,000 stock options were canceled, each with a $4.05 exercise price. These options had a vesting schedule with 50% on the grant date and 12.5% vesting on specified quarter-end dates until fully vested, before being replaced by RSUs.

What did Felix Lourdes receive in exchange for the canceled LIXT options?

In exchange for canceling 25,000 options, Felix Lourdes received 25,000 restricted share units. Each RSU represents a contingent right to one share of LIXTE common stock and all 25,000 RSUs vested immediately upon grant under the company’s 2020 Stock Incentive Plan.

Did the LIXT Form 4 show any open-market buys or sells by Felix Lourdes?

The Form 4 does not show any open-market purchases or sales. Instead, it records a disposition of options back to the issuer and a compensatory grant of RSUs that vested immediately, making this a non-market, compensation-related adjustment to his equity holdings.

How many LIXT shares does Felix Lourdes hold after these Form 4 transactions?

After the reported transactions, Felix Lourdes directly holds 25,000 shares of LIXTE common stock. These shares arise from RSUs granted on April 15, 2026, which vested immediately, and there are no remaining options from the canceled 25,000-option grant reflected in this filing.

Under which plan were the new LIXT RSUs granted to Felix Lourdes?

The 25,000 RSUs granted to Felix Lourdes were issued under the Lixte Biotechnology Holdings, Inc. 2020 Stock Incentive Plan. They are documented in an award agreement dated April 15, 2026 and represent equity-based compensation tied to his continued service as a director.