Genius Sports (NYSE: GENI) CFO details RSU grants and share holdings

Rhea-AI Filing Summary

Genius Sports Ltd Chief Financial Officer Bryan Castellani filed an initial ownership report showing equity-based holdings in the company. He holds restricted share units (RSUs) that are contingently convertible into 505,902 and 153,847 Ordinary Shares, plus 12,500 Ordinary Shares held directly. Each RSU represents the right to receive one Ordinary Share, subject to his continued service through vesting dates. One RSU grant from December 17, 2025 vests in tranches of 151,771, 168,634 and 185,497 shares on October 1 of 2026, 2027 and 2028, respectively. A separate RSU grant from March 17, 2026 vests in three equal annual installments on March 17 of 2027, 2028 and 2029.

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^*

Castellani Bryan

(Last) (First) (Middle)

C/O GENIUS SPORTS LTD

1ST FLOOR, 27 SOHO SQUARE

(Street)

LONDON UNITED KINGDOM W1D 3QR

(City) (State) (Zip)

UNITED KINGDOM

(Country)

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

3. Issuer Name and Ticker or Trading Symbol
Genius Sports Ltd [ GENI ]

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	12,500	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
Restricted Share Units	(1)(2)	(1)(2)	Ordinary Shares	505,902	$0	D
Restricted Share Units	(1)(3)	(1)(3)	Ordinary Shares	153,847	$0	D

Explanation of Responses:

1. The reported securities represent restricted share units ("RSUs"), which each represent the contingent right to receive one Ordinary Share, subject to the Reporting Person's continued service through the applicable vesting date.

2. These RSUs were granted on December 17, 2025, of which 151,771, 168,634 and 185,497 vest on October 1 of each of 2026, 2027 and 2028, respectively.

3. These RSUs were granted on March 17, 2026 and vest in three equal annual installments on March 17 of each of 2027, 2028 and 2029.

Remarks:

Exhibit List - Exhibit 24.1 Power of Attorney

	/s/ Carolyn Duncanson, Attorney-in-Fact	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).
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 3: SEC 1473 (03-26)

FAQ

What does Genius Sports (GENI) CFO Bryan Castellani report on his Form 3?

He reports initial equity ownership, including restricted share units and Ordinary Shares. The filing details RSUs linked to 505,902 and 153,847 underlying Ordinary Shares, plus 12,500 Ordinary Shares held directly, establishing his starting stake as a reporting officer.

How do Bryan Castellani’s RSUs at Genius Sports (GENI) work?

Each RSU represents the contingent right to receive one Ordinary Share. Delivery depends on Castellani’s continued service through specified vesting dates, meaning the RSUs convert into shares over time as long as he remains in his role.

What are the vesting terms of the December 17, 2025 RSU grant at Genius Sports (GENI)?

The December 17, 2025 RSU grant vests in three tranches. Portions of 151,771, 168,634 and 185,497 underlying Ordinary Shares vest on October 1 of 2026, 2027 and 2028, respectively, assuming Bryan Castellani continues to provide service through each vesting date.

What are the vesting terms of the March 17, 2026 RSU grant reported by GENI’s CFO?

The March 17, 2026 RSU grant vests in three equal annual installments. Those installments occur on March 17 of 2027, 2028 and 2029, with each installment tied to continued service by Bryan Castellani through the relevant vesting date.

Does the Genius Sports (GENI) Form 3 show any stock purchases or sales by the CFO?

The Form 3 lists holdings rather than transactions, so it does not report stock purchases or sales. It establishes Bryan Castellani’s existing RSUs and Ordinary Share position as he becomes a reporting officer under insider reporting rules.

How many Ordinary Shares does Genius Sports (GENI) CFO directly hold outside RSUs?

He directly holds 12,500 Ordinary Shares. This direct ownership is in addition to his restricted share units, which are tied to separate blocks of underlying Ordinary Shares that will vest over multiple future dates.