X0306 4 2022-05-03 0 0000944075 SOCKET MOBILE, INC. SCKT 0001864423 Holmes David A. 39700 EUREKA DRIVE NEWARK CA 94560 0 1 0 0 Chief Business Officer Common Stock 2022-05-03 4 A 0 20000 0 A 38200 D Vesting of restricted shares of Socket Mobile, Inc. Common Stock is subject to achievement of the milestones within 3 years. Unvested shares will be cancelled after May 3, 2025. Recipient earns 30% of granted shares when 12 trailing months (TTM) EBITDA exceeds $5.0M, and the earned shares will vest on May 3, 2023 or the earned date, whichever date comes later. Recipient earns additional 30% of granted shares when 12 trailing months (TTM) EBITDA exceeds $6.0M, and the earned shares will vest on May 3, 2024 or the earned date, whichever date comes later. Recipient earns the final 40% of granted shares when 12 trailing months (TTM) EBITDA exceeds $7.0M, and the earned shares will vest on May 3, 2025 or the earned date, whichever date comes later. /s/ David A. Holmes 2022-05-04