[Form 4] First Tracks Biotherapeutics, Inc. Insider Trading Activity

Rhea-AI Filing Summary

First Tracks Biotherapeutics Chief Medical Officer Paul F. Lizzul received new equity awards. He was granted employee stock options for 72,300 shares of common stock at an exercise price of $17.81 per share, expiring on May 11, 2036. These options vest 25% on May 12, 2027, then 1/48 of the total shares monthly until fully vested, contingent on continued service.

He also received 26,700 restricted stock units, each representing a right to receive one share of common stock for no cash payment. The RSUs vest 25% annually starting on May 12, 2027, subject to ongoing service. There were no open-market purchases or sales reported. A footnote states he also holds separate options to purchase up to 507,310 shares of common stock that vest under their own terms.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Lizzul Paul F.

Role Chief Medical Officer

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Unit	26,700	$0.00	--
Grant/Award	Employee Stock Option (right to buy)	72,300	$0.00	--

Holdings After Transaction: Restricted Stock Unit — 26,700 shares (Direct, null); Employee Stock Option (right to buy) — 72,300 shares (Direct, null)

Footnotes (1)

1. Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Common Stock upon settlement for no consideration. The RSUs vests as to 25% of the total RSUs annually commencing on May 12, 2027 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date. The stock option vests as to 25% of the total shares on May 12, 2027, and thereafter vests as to 1/48 of the total shares monthly until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date. In addition to the options to purchase a total of 72,300 shares of common stock as set forth in Table II, the Reporting Person also holds additional options to purchase up to an aggregate of 507,310 shares of common stock, which options vest according to their terms.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED 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
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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^*

Lizzul Paul F.

(Last) (First) (Middle)

10770 WATERIDGE CIRCLE, SUITE 210

(Street)

SAN DIEGO CALIFORNIA 92121

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
First Tracks Biotherapeutics, Inc. [ TRAX ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Medical Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/12/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form 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)
			Code	V	Amount	(A) or (D)	Price

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Unit	(1)	05/12/2026		A		26,700		(2)	(2)	Common Stock	26,700	$0	26,700	D
Employee Stock Option (right to buy)	$17.81	05/12/2026		A		72,300		(3)	05/11/2036	Common Stock	72,300	$0	72,300(4)	D

Explanation of Responses:

1. Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Common Stock upon settlement for no consideration.

2. The RSUs vests as to 25% of the total RSUs annually commencing on May 12, 2027 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

3. The stock option vests as to 25% of the total shares on May 12, 2027, and thereafter vests as to 1/48 of the total shares monthly until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

4. In addition to the options to purchase a total of 72,300 shares of common stock as set forth in Table II, the Reporting Person also holds additional options to purchase up to an aggregate of 507,310 shares of common stock, which options vest according to their terms.

	/s/ Ajim Tamboli, Attorney-in-Fact	05/14/2026
	** Signature of Reporting Person	Date
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)