X0306 4 2022-05-20 1 0001836981 BigBear.ai Holdings, Inc. BBAI 0001451693 Katz Avi S 1731 EMBARCADERO ROAD SUITE 200 PALO ALTO CA 94303 1 0 0 0 Common Stock 2022-05-20 4 J 0 850000 0.00 D 8702000 I By GigAcquisitions4, LLC Common Stock 2022-05-20 4 J 0 21250 0.00 A 21250 D Private Warrants 11.50 2022-05-20 4 J 0 283333 0.00 D 2022-02-01 2026-12-07 Common Stock 283333 0 I By GigAcquisitions4, LLC Private Warrants 11.50 2022-05-20 4 J 0 7083 0.00 A 2022-02-01 2026-12-07 Common Stock 7083 7083 D Distribution of shares of Common Stock to direct and indirect members of GigAcqusitions4, LLC (the "Sponsor"). The total reported shares is a result of the deduction of the number of disposed shares of Common Stock from 8,552,000 shares of Common Stock as previously reported in Form 4 filed by the Reporting Person on December 8, 2021. Distribution of Private Warrants to direct and indirect members of the GigAcquisitions4, LLC (the "Sponsor"). The Common Stock is held directly by Sponsor. The shares held by the Sponsor are beneficially owned by Dr. Katz. Dr. Katz is also the Manager of the Sponsor, who has sole voting and dispositive power over the shares held by the Sponsor. Effective May 20, 2022, GigAcquisitions4, LLC is no longer subject to Section 16. /s/ Dr. Avi S. Katz 2022-05-24