Genenta Science (GNTA) CFO details option grants and share holdings in Form 3

Rhea-AI Filing Summary

Genenta Science S.p.A. Chief Financial Officer Richard B. Slansky filed an initial ownership report showing a mix of stock options, ordinary shares and American Depositary Shares. He holds several option grants over ADSs with exercise prices of $4.76, $3.08, $4.36 and $1.48, vesting over multi‑year schedules and expiring between 2032 and 2035. In addition, he directly owns 19,947 ordinary shares and 2,200 ADSs, with each ADS representing one ordinary share.

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

SLANSKY RICHARD B

(Last) (First) (Middle)

13973 CARRIAGE ROAD

(Street)

POWAY, CALIFORNIA 92064

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026

3. Issuer Name and Ticker or Trading Symbol
Genenta Science S.p.A. [ GNTA ]

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)

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

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

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

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Ordinary Shares	19,947	D
American Depositary Shares ("ADSs")(1)	2,200	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (right to buy)	07/21/2022(2)	07/21/2032	ADSs	127,520	$4.76	D
Stock Option (right to buy)	07/01/2024(3)	07/01/2034	ADSs	100,000	$3.08	D
Stock Option (right to buy)	06/04/2025(4)	06/04/2035	ADSs	60,000	$4.36	D
Stock Option (right to buy)	06/04/2025(5)	06/04/2035	ADSs	15,338	$4.36	D
Stock Option (right to buy)	06/04/2025(6)	06/04/2035	ADSs	7,669	$4.36	D
Stock Option (right to buy)	12/18/2025(7)	12/18/2035	ADSs	120,000	$1.48	D

Explanation of Responses:

1. Each American Depositary Share represents one ordinary share, no par value, of the Issuer.

2. The stock options vest in two parts: options on 22,884 shares vested immediately and became exercisable on July 21, 2022; and options on 104,636 shares vest in equal monthly installments over three-years beginning July 21, 2022.

3. The options vest in equal monthly installments over three-years beginning July 1, 2024.

4. The stock options vest in equal monthly installments over three-years beginning June 4, 2025.

5. The stock options were issued in place of a cash bonus for 2023 and became fully vested and exercisable on June 4, 2025.

6. The stock options were issued in place of a cash bonus for 2024 and became fully vested and exercisable on June 4, 2025.

7. The stock options vest in equal monthly installments over three-years beginning December 18, 2025.

	/s/ Richard B. Slansky	03/18/2026
	** 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 5 (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).
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* Form 3: SEC 1473 (03-26)