BigBear.ai (BBAI)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-08-13 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: BigBear.ai Holdings, Inc. (BBAI) CIK: 0001836981 --- Reporting Owner --- Name: Gainey Sean Alexander CIK: 0002149324 Role: Director --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-08-13 | Code: A (Grant or award) Shares: +32,776 | Price: $0.00 Shares Owned After: 32,776 | Ownership: D (Direct) Footnotes: [F1] Each restricted stock unit ("RSU") represents a right to receive one share of the issuer's Common Stock, subject to the Reporting Person's continued service through the vesting date. The reported RSUs were granted on August 13, 2026, vest on June 14, 2027, and shall be settled within sixty days of the vesting date. --- Footnotes (Complete Index) --- F1: Each restricted stock unit ("RSU") represents a right to receive one share of the issuer's Common Stock, subject to the Reporting Person's continued service through the vesting date. The reported RSUs were granted on August 13, 2026, vest on June 14, 2027, and shall be settled within sixty days of the vesting date. --- Signature --- /s/ /s/ Sean Ricker as Attorney-in-Fact for Sean Gainey (2026-08-17)