Bryan Castellani - 02 Oct 2026 Form 4 Insider Report for Genius Sports Ltd (GENI)

Reporting relationship: Chief Financial Officer
Issuer ticker: GENI
Reported as of: 02 Oct 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 05 Oct 2026, 16:30:04 UTC
Prior SEC filing: 18 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Carolyn Duncanson, Attorney-in Fact

Key filing fact

Bryan Castellani filed Form 4 for Genius Sports Ltd (GENI) on 05 Oct 2026.

Key facts

This page summarizes Bryan Castellani's Form 4 filing for Genius Sports Ltd (GENI).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 05 Oct 2026, 16:30.

Change

Previous filing in this sequence was filed on 18 Mar 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 0001994520 Primary reporting owner

Castellani Bryan

Relationship: Chief Financial Officer
Address: C/O GENIUS SPORTS LTD, SEYMOUR MEWS HOUSE, 26-37 SEYMOUR MEWS, LONDON, UNITED KINGDOM
Signature: /s/ Carolyn Duncanson, Attorney-in Fact
Signature date: 05 Oct 2026

Reported non-derivative transactions

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

GENI transaction

Ordinary Shares

Options Exercise

Transaction value
Shares: +151,771
Change %: +1214%
Price
Shares after: 164,271
Date: 02 Oct 2026
Ownership: Direct
Footnotes: F1

GENI transaction

Ordinary Shares

Tax liability

Transaction value
Shares: -53,297
Change %: -32%
Price: $5.68^*
Shares after: 110,974
Date: 02 Oct 2026
Ownership: Direct

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

GENI transaction Derivative

Restricted Share Units (December 2025)

Options Exercise

Transaction value
Shares: -151,771
Change %: -30%
Price: $0.000000^*
Shares after: 354,131
Date: 02 Oct 2026
Ownership: Direct
Underlying class: Ordinary Shares
Underlying amount: 151,771
Exercise price
Footnotes: F1, F2

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

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.

Footnote F2

On December 17, 2025, the Reporting Person was granted 505,902 RSUs that vest in annual installments as follows: 151,771 vested on October 1, 2026; 168,634 vest on October 1, 2027; and 185,497 vest on October 1, 2028.