DRS

SEC source: 0001127602-25-011247 · form4.xml · nonDerivative · entry 2

Dippold Michael · CIK 0001849658 · EVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 74,489

F2 · kind: Shares withheld by the Company to satisfy tax withholding requirements.

SEC source: 0001127602-25-011247 · form4.xml · nonDerivative · entry 1

Dippold Michael · CIK 0001849658 · EVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 79,162

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Each restricted stock unit ("RSU") was granted under the Issuer's 2022 Omnibus Equity Compensation Plan (the "Plan"), and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. One third of the RSU's vested on each of April 1, 2024 and April 1, 2025. The remaining RSUs are scheduled to vest one-third on April 1, 2026, subject to the Reporting Person's continued employment with the Issuer through each date. The number of RSUs that vest on each of April 1, 2024 and April 1, 2025 were rounded down to the nearest whole number of RSUs and the remaining RSUs shall vest on April 1, 2026.

SEC source: 0001127602-25-011426 · form4.xml · derivative · entry 7

Wallace Sally · CIK 0001849652 · EVP, Business Operations

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 15,926

Underlying: Common Stock · 4,337 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each RSU was granted under the Plan and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. One-third of the RSUs vested on April 1, 2025. The remaining RSUs are scheduled to vest one-third annually on each of April 1, 2026, and April 1, 2027, subject to the Reporting Person's continued employment with the Issuer through each date.

F3 · derivative.exercise_date: Each RSU was granted under the Plan and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. One-third of the RSUs vested on April 1, 2025. The remaining RSUs are scheduled to vest one-third annually on each of April 1, 2026, and April 1, 2027, subject to the Reporting Person's continued employment with the Issuer through each date.

F3 · derivative.expiration_date: Each RSU was granted under the Plan and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. One-third of the RSUs vested on April 1, 2025. The remaining RSUs are scheduled to vest one-third annually on each of April 1, 2026, and April 1, 2027, subject to the Reporting Person's continued employment with the Issuer through each date.

SEC source: 0001127602-25-011426 · form4.xml · derivative · entry 6

Wallace Sally · CIK 0001849652 · EVP, Business Operations

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 20,263

Underlying: Common Stock · 7,252 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") was granted under the Issuer's 2022 Omnibus Equity Compensation Plan (the "Plan"), and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. One third of the RSU's vested on each of April 1, 2024 and April 1, 2025. The remaining RSUs are scheduled to vest one-third on April 1, 2026, subject to the Reporting Person's continued employment with the Issuer through each date.

F1 · derivative.exercise_date: Each restricted stock unit ("RSU") was granted under the Issuer's 2022 Omnibus Equity Compensation Plan (the "Plan"), and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. One third of the RSU's vested on each of April 1, 2024 and April 1, 2025. The remaining RSUs are scheduled to vest one-third on April 1, 2026, subject to the Reporting Person's continued employment with the Issuer through each date.

F1 · derivative.expiration_date: Each restricted stock unit ("RSU") was granted under the Issuer's 2022 Omnibus Equity Compensation Plan (the "Plan"), and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. One third of the RSU's vested on each of April 1, 2024 and April 1, 2025. The remaining RSUs are scheduled to vest one-third on April 1, 2026, subject to the Reporting Person's continued employment with the Issuer through each date.

SEC source: 0001127602-25-011426 · form4.xml · nonDerivative · entry 4

Wallace Sally · CIK 0001849652 · EVP, Business Operations

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 61,151

F2 · kind: Shares withheld by the Company to satisfy tax withholding requirements.

SEC source: 0001127602-25-011426 · form4.xml · nonDerivative · entry 3

Wallace Sally · CIK 0001849652 · EVP, Business Operations

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 63,246

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · kind: Each RSU was granted under the Plan and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. One-third of the RSUs vested on April 1, 2025. The remaining RSUs are scheduled to vest one-third annually on each of April 1, 2026, and April 1, 2027, subject to the Reporting Person's continued employment with the Issuer through each date.

SEC source: 0001127602-25-011426 · form4.xml · nonDerivative · entry 2

Wallace Sally · CIK 0001849652 · EVP, Business Operations

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 58,909

F2 · kind: Shares withheld by the Company to satisfy tax withholding requirements.

SEC source: 0001127602-25-011426 · form4.xml · nonDerivative · entry 1

Wallace Sally · CIK 0001849652 · EVP, Business Operations

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 62,412

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Each restricted stock unit ("RSU") was granted under the Issuer's 2022 Omnibus Equity Compensation Plan (the "Plan"), and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. One third of the RSU's vested on each of April 1, 2024 and April 1, 2025. The remaining RSUs are scheduled to vest one-third on April 1, 2026, subject to the Reporting Person's continued employment with the Issuer through each date.

SEC source: 0001127602-25-011411 · form4.xml · derivative · entry 7

Morrow Pamela · CIK 0001849659 · SVP and Controller

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,273

Underlying: Common Stock · 2,517 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each RSU was granted under the Plan and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. One-third of the RSUs vested on April 1, 2025. The remaining RSUs are scheduled to vest one-third annually on each of April 1, 2026, and April 1, 2027, subject to the Reporting Person's continued employment with the Issuer through each date.

F3 · derivative.exercise_date: Each RSU was granted under the Plan and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. One-third of the RSUs vested on April 1, 2025. The remaining RSUs are scheduled to vest one-third annually on each of April 1, 2026, and April 1, 2027, subject to the Reporting Person's continued employment with the Issuer through each date.

F3 · derivative.expiration_date: Each RSU was granted under the Plan and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. One-third of the RSUs vested on April 1, 2025. The remaining RSUs are scheduled to vest one-third annually on each of April 1, 2026, and April 1, 2027, subject to the Reporting Person's continued employment with the Issuer through each date.

SEC source: 0001127602-25-011411 · form4.xml · derivative · entry 6

Morrow Pamela · CIK 0001849659 · SVP and Controller

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,790

Underlying: Common Stock · 3,237 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") was granted under the Issuer's 2022 Omnibus Equity Compensation Plan (the "Plan"), and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. One third of the RSU's vested on each of April 1, 2024 and April 1, 2025. The remaining RSUs are scheduled to vest one-third on April 1, 2026, subject to the Reporting Person's continued employment with the Issuer through each date. The number of RSUs that vest on each of April 1, 2024 and April 1, 2025 were rounded down to the nearest whole number of RSUs and the remaining RSUs shall vest on April 1, 2026.

F1 · derivative.exercise_date: Each restricted stock unit ("RSU") was granted under the Issuer's 2022 Omnibus Equity Compensation Plan (the "Plan"), and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. One third of the RSU's vested on each of April 1, 2024 and April 1, 2025. The remaining RSUs are scheduled to vest one-third on April 1, 2026, subject to the Reporting Person's continued employment with the Issuer through each date. The number of RSUs that vest on each of April 1, 2024 and April 1, 2025 were rounded down to the nearest whole number of RSUs and the remaining RSUs shall vest on April 1, 2026.

F1 · derivative.expiration_date: Each restricted stock unit ("RSU") was granted under the Issuer's 2022 Omnibus Equity Compensation Plan (the "Plan"), and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. One third of the RSU's vested on each of April 1, 2024 and April 1, 2025. The remaining RSUs are scheduled to vest one-third on April 1, 2026, subject to the Reporting Person's continued employment with the Issuer through each date. The number of RSUs that vest on each of April 1, 2024 and April 1, 2025 were rounded down to the nearest whole number of RSUs and the remaining RSUs shall vest on April 1, 2026.

SEC source: 0001127602-25-011411 · form4.xml · nonDerivative · entry 4

Morrow Pamela · CIK 0001849659 · SVP and Controller

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 20,644

F2 · kind: Shares withheld by the Company to satisfy tax withholding requirements.

SEC source: 0001127602-25-011411 · form4.xml · nonDerivative · entry 3

Morrow Pamela · CIK 0001849659 · SVP and Controller

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 21,827

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · kind: Each RSU was granted under the Plan and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. One-third of the RSUs vested on April 1, 2025. The remaining RSUs are scheduled to vest one-third annually on each of April 1, 2026, and April 1, 2027, subject to the Reporting Person's continued employment with the Issuer through each date.

SEC source: 0001127602-25-011411 · form4.xml · nonDerivative · entry 2

Morrow Pamela · CIK 0001849659 · SVP and Controller

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 19,310

F2 · kind: Shares withheld by the Company to satisfy tax withholding requirements.

SEC source: 0001127602-25-011411 · form4.xml · nonDerivative · entry 1

Morrow Pamela · CIK 0001849659 · SVP and Controller

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 20,572

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Each restricted stock unit ("RSU") was granted under the Issuer's 2022 Omnibus Equity Compensation Plan (the "Plan"), and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. One third of the RSU's vested on each of April 1, 2024 and April 1, 2025. The remaining RSUs are scheduled to vest one-third on April 1, 2026, subject to the Reporting Person's continued employment with the Issuer through each date. The number of RSUs that vest on each of April 1, 2024 and April 1, 2025 were rounded down to the nearest whole number of RSUs and the remaining RSUs shall vest on April 1, 2026.

SEC source: 0001127602-25-011402 · form4.xml · derivative · entry 6

Dorfman Mark · CIK 0001849648 · EVP, GC and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,542

Underlying: Common Stock · 4,770 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each RSU was granted under the Plan and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. One-third of the RSUs vested on April 1, 2025. The remaining RSUs are scheduled to vest one-third annually on each of April 1, 2026, and April 1, 2027, subject to the Reporting Person's continued employment with the Issuer through each date. The number of RSUs that vested on April 1, 2025 and that will vest on April 1, 2026 shall be rounded down to the nearest whole number of RSUs and the remaining RSUs shall vest on April 1, 2027.

F3 · derivative.exercise_date: Each RSU was granted under the Plan and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. One-third of the RSUs vested on April 1, 2025. The remaining RSUs are scheduled to vest one-third annually on each of April 1, 2026, and April 1, 2027, subject to the Reporting Person's continued employment with the Issuer through each date. The number of RSUs that vested on April 1, 2025 and that will vest on April 1, 2026 shall be rounded down to the nearest whole number of RSUs and the remaining RSUs shall vest on April 1, 2027.

F3 · derivative.expiration_date: Each RSU was granted under the Plan and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. One-third of the RSUs vested on April 1, 2025. The remaining RSUs are scheduled to vest one-third annually on each of April 1, 2026, and April 1, 2027, subject to the Reporting Person's continued employment with the Issuer through each date. The number of RSUs that vested on April 1, 2025 and that will vest on April 1, 2026 shall be rounded down to the nearest whole number of RSUs and the remaining RSUs shall vest on April 1, 2027.

F4 · derivative.underlying_shares: Amount has been adjusted by 1 share of common stock due to an administrative error.

SEC source: 0001127602-25-011402 · form4.xml · derivative · entry 5

Dorfman Mark · CIK 0001849648 · EVP, GC and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,252

Underlying: Common Stock · 7,252 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") was granted under the Issuer's 2022 Omnibus Equity Compensation Plan (the "Plan"), and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. One third of the RSU's vested on each of April 1, 2024 and April 1, 2025. The remaining RSUs are scheduled to vest one-third on April 1, 2026, subject to the Reporting Person's continued employment with the Issuer through each date.

F1 · derivative.exercise_date: Each restricted stock unit ("RSU") was granted under the Issuer's 2022 Omnibus Equity Compensation Plan (the "Plan"), and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. One third of the RSU's vested on each of April 1, 2024 and April 1, 2025. The remaining RSUs are scheduled to vest one-third on April 1, 2026, subject to the Reporting Person's continued employment with the Issuer through each date.

F1 · derivative.expiration_date: Each restricted stock unit ("RSU") was granted under the Issuer's 2022 Omnibus Equity Compensation Plan (the "Plan"), and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. One third of the RSU's vested on each of April 1, 2024 and April 1, 2025. The remaining RSUs are scheduled to vest one-third on April 1, 2026, subject to the Reporting Person's continued employment with the Issuer through each date.

SEC source: 0001127602-25-011402 · form4.xml · nonDerivative · entry 4

Dorfman Mark · CIK 0001849648 · EVP, GC and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 52,001

F2 · kind: Shares withheld by the Company to satisfy tax withholding requirements.

SEC source: 0001127602-25-011402 · form4.xml · nonDerivative · entry 3

Dorfman Mark · CIK 0001849648 · EVP, GC and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 54,305

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · kind: Each RSU was granted under the Plan and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. One-third of the RSUs vested on April 1, 2025. The remaining RSUs are scheduled to vest one-third annually on each of April 1, 2026, and April 1, 2027, subject to the Reporting Person's continued employment with the Issuer through each date. The number of RSUs that vested on April 1, 2025 and that will vest on April 1, 2026 shall be rounded down to the nearest whole number of RSUs and the remaining RSUs shall vest on April 1, 2027.

SEC source: 0001127602-25-011402 · form4.xml · nonDerivative · entry 2

Dorfman Mark · CIK 0001849648 · EVP, GC and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 49,535

F2 · kind: Shares withheld by the Company to satisfy tax withholding requirements.

SEC source: 0001127602-25-011402 · form4.xml · nonDerivative · entry 1

Dorfman Mark · CIK 0001849648 · EVP, GC and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 53,038

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Each restricted stock unit ("RSU") was granted under the Issuer's 2022 Omnibus Equity Compensation Plan (the "Plan"), and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. One third of the RSU's vested on each of April 1, 2024 and April 1, 2025. The remaining RSUs are scheduled to vest one-third on April 1, 2026, subject to the Reporting Person's continued employment with the Issuer through each date.

SEC source: 0001127602-25-010038 · form4.xml · nonDerivative · entry 7

Lynn William III · CIK 0001850774 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 328,404

F4 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 27, 2024.

F5 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $31.83 - $33.20, inclusive. The Reporting Person undertakes to provide upon request by the Commission staff, the Company or a security holder of the Company, full information regarding the number of shares sold at each separate price.

SEC source: 0001127602-25-010041 · form4.xml · nonDerivative · entry 7

Dippold Michael · CIK 0001849658 · EVP and CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 68,802

F4 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 13, 2024.

F5 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $31.82 - $33.21, inclusive. The Reporting Person undertakes to provide upon request by the Commission staff, the Company or a security holder of the Company, full information regarding the number of shares sold at each separate price.

SEC source: 0001127602-25-009990 · form4.xml · nonDerivative · entry 7

Dorfman Mark · CIK 0001849648 · EVP, GC and Secretary

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 45,786

F4 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 21, 2024.

F5 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $31.85 - $33.21, inclusive. The Reporting Person undertakes to provide upon request by the Commission staff, the Company or a security holder of the Company, full information regarding the number of shares sold at each separate price.

SEC source: 0001127602-25-009988 · form4.xml · nonDerivative · entry 7

Morrow Pamela · CIK 0001849659 · SVP and Controller

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 17,335

F4 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 29, 2024.

SEC source: 0001127602-25-009986 · form4.xml · nonDerivative · entry 7

Wallace Sally · CIK 0001849652 · EVP, Business Operations

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 55,160

F4 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 29, 2024.

SEC source: 0001127602-25-010038 · form4.xml · derivative · entry 10

Lynn William III · CIK 0001850774 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 60,452 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each restricted stock unit ("RSU") was granted under the Plan and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. The final third of the RSUs vested on March 17, 2025.

F3 · derivative.exercise_date: Each restricted stock unit ("RSU") was granted under the Plan and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. The final third of the RSUs vested on March 17, 2025.

F3 · derivative.expiration_date: Each restricted stock unit ("RSU") was granted under the Plan and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. The final third of the RSUs vested on March 17, 2025.

SEC source: 0001127602-25-010038 · form4.xml · derivative · entry 9

Lynn William III · CIK 0001850774 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 145,086 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each performance restricted stock unit ("PRSU") was granted under the Issuer's 2022 Omnibus Equity Compensation Plan (the "Plan") and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. The PRSUs were granted to the Reporting Person in connection with the closing of the transactions contemplated by the Agreement and Plan of Merger, dated June 21, 2022, by and among Leonardo DRS, Inc., RADA Electronic Industries Limited and Blackstart Ltd (the "Merger"). The PRSUs vested on March 17, 2025.

F1 · derivative.exercise_date: Each performance restricted stock unit ("PRSU") was granted under the Issuer's 2022 Omnibus Equity Compensation Plan (the "Plan") and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. The PRSUs were granted to the Reporting Person in connection with the closing of the transactions contemplated by the Agreement and Plan of Merger, dated June 21, 2022, by and among Leonardo DRS, Inc., RADA Electronic Industries Limited and Blackstart Ltd (the "Merger"). The PRSUs vested on March 17, 2025.

F1 · derivative.expiration_date: Each performance restricted stock unit ("PRSU") was granted under the Issuer's 2022 Omnibus Equity Compensation Plan (the "Plan") and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. The PRSUs were granted to the Reporting Person in connection with the closing of the transactions contemplated by the Agreement and Plan of Merger, dated June 21, 2022, by and among Leonardo DRS, Inc., RADA Electronic Industries Limited and Blackstart Ltd (the "Merger"). The PRSUs vested on March 17, 2025.

SEC source: 0001127602-25-010038 · form4.xml · derivative · entry 8

Lynn William III · CIK 0001850774 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 153,103 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each performance restricted stock unit ("PRSU") was granted under the Issuer's 2022 Omnibus Equity Compensation Plan (the "Plan") and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. The PRSUs were granted to the Reporting Person in connection with the closing of the transactions contemplated by the Agreement and Plan of Merger, dated June 21, 2022, by and among Leonardo DRS, Inc., RADA Electronic Industries Limited and Blackstart Ltd (the "Merger"). The PRSUs vested on March 17, 2025.

F1 · derivative.exercise_date: Each performance restricted stock unit ("PRSU") was granted under the Issuer's 2022 Omnibus Equity Compensation Plan (the "Plan") and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. The PRSUs were granted to the Reporting Person in connection with the closing of the transactions contemplated by the Agreement and Plan of Merger, dated June 21, 2022, by and among Leonardo DRS, Inc., RADA Electronic Industries Limited and Blackstart Ltd (the "Merger"). The PRSUs vested on March 17, 2025.

F1 · derivative.expiration_date: Each performance restricted stock unit ("PRSU") was granted under the Issuer's 2022 Omnibus Equity Compensation Plan (the "Plan") and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. The PRSUs were granted to the Reporting Person in connection with the closing of the transactions contemplated by the Agreement and Plan of Merger, dated June 21, 2022, by and among Leonardo DRS, Inc., RADA Electronic Industries Limited and Blackstart Ltd (the "Merger"). The PRSUs vested on March 17, 2025.

SEC source: 0001127602-25-010038 · form4.xml · nonDerivative · entry 6

Lynn William III · CIK 0001850774 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 373,404

F2 · kind: Shares withheld by the Company to satisfy tax withholding requirements.

SEC source: 0001127602-25-010038 · form4.xml · nonDerivative · entry 5

Lynn William III · CIK 0001850774 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 403,691

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · kind: Each restricted stock unit ("RSU") was granted under the Plan and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. The final third of the RSUs vested on March 17, 2025.

SEC source: 0001127602-25-010038 · form4.xml · nonDerivative · entry 4

Lynn William III · CIK 0001850774 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 343,239

F2 · kind: Shares withheld by the Company to satisfy tax withholding requirements.

SEC source: 0001127602-25-010038 · form4.xml · nonDerivative · entry 3

Lynn William III · CIK 0001850774 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 415,928

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Each performance restricted stock unit ("PRSU") was granted under the Issuer's 2022 Omnibus Equity Compensation Plan (the "Plan") and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. The PRSUs were granted to the Reporting Person in connection with the closing of the transactions contemplated by the Agreement and Plan of Merger, dated June 21, 2022, by and among Leonardo DRS, Inc., RADA Electronic Industries Limited and Blackstart Ltd (the "Merger"). The PRSUs vested on March 17, 2025.

SEC source: 0001127602-25-010038 · form4.xml · nonDerivative · entry 2

Lynn William III · CIK 0001850774 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 270,842

F2 · kind: Shares withheld by the Company to satisfy tax withholding requirements.

SEC source: 0001127602-25-010038 · form4.xml · nonDerivative · entry 1

Lynn William III · CIK 0001850774 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 343,040

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Each performance restricted stock unit ("PRSU") was granted under the Issuer's 2022 Omnibus Equity Compensation Plan (the "Plan") and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. The PRSUs were granted to the Reporting Person in connection with the closing of the transactions contemplated by the Agreement and Plan of Merger, dated June 21, 2022, by and among Leonardo DRS, Inc., RADA Electronic Industries Limited and Blackstart Ltd (the "Merger"). The PRSUs vested on March 17, 2025.

SEC source: 0001127602-25-009970 · form4.xml · derivative · entry 9

Baylouny John · CIK 0001397134 · EVP and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 16,465 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each restricted stock unit ("RSU") was granted under the Plan and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. The final third of the RSUs vested on March 17, 2025.

F3 · derivative.exercise_date: Each restricted stock unit ("RSU") was granted under the Plan and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. The final third of the RSUs vested on March 17, 2025.

F3 · derivative.expiration_date: Each restricted stock unit ("RSU") was granted under the Plan and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. The final third of the RSUs vested on March 17, 2025.

SEC source: 0001127602-25-009970 · form4.xml · derivative · entry 8

Baylouny John · CIK 0001397134 · EVP and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 39,514 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each performance restricted stock unit ("PRSU") was granted under the Issuer's 2022 Omnibus Equity Compensation Plan (the "Plan") and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. The PRSUs were granted to the Reporting Person in connection with the closing of the transactions contemplated by the Agreement and Plan of Merger, dated June 21, 2022, by and among Leonardo DRS, Inc., RADA Electronic Industries Limited and Blackstart Ltd (the "Merger"). The PRSUs vested on March 17, 2025.

F1 · derivative.exercise_date: Each performance restricted stock unit ("PRSU") was granted under the Issuer's 2022 Omnibus Equity Compensation Plan (the "Plan") and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. The PRSUs were granted to the Reporting Person in connection with the closing of the transactions contemplated by the Agreement and Plan of Merger, dated June 21, 2022, by and among Leonardo DRS, Inc., RADA Electronic Industries Limited and Blackstart Ltd (the "Merger"). The PRSUs vested on March 17, 2025.

F1 · derivative.expiration_date: Each performance restricted stock unit ("PRSU") was granted under the Issuer's 2022 Omnibus Equity Compensation Plan (the "Plan") and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. The PRSUs were granted to the Reporting Person in connection with the closing of the transactions contemplated by the Agreement and Plan of Merger, dated June 21, 2022, by and among Leonardo DRS, Inc., RADA Electronic Industries Limited and Blackstart Ltd (the "Merger"). The PRSUs vested on March 17, 2025.

SEC source: 0001127602-25-009970 · form4.xml · derivative · entry 7

Baylouny John · CIK 0001397134 · EVP and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 41,698 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each performance restricted stock unit ("PRSU") was granted under the Issuer's 2022 Omnibus Equity Compensation Plan (the "Plan") and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. The PRSUs were granted to the Reporting Person in connection with the closing of the transactions contemplated by the Agreement and Plan of Merger, dated June 21, 2022, by and among Leonardo DRS, Inc., RADA Electronic Industries Limited and Blackstart Ltd (the "Merger"). The PRSUs vested on March 17, 2025.

F1 · derivative.exercise_date: Each performance restricted stock unit ("PRSU") was granted under the Issuer's 2022 Omnibus Equity Compensation Plan (the "Plan") and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. The PRSUs were granted to the Reporting Person in connection with the closing of the transactions contemplated by the Agreement and Plan of Merger, dated June 21, 2022, by and among Leonardo DRS, Inc., RADA Electronic Industries Limited and Blackstart Ltd (the "Merger"). The PRSUs vested on March 17, 2025.

F1 · derivative.expiration_date: Each performance restricted stock unit ("PRSU") was granted under the Issuer's 2022 Omnibus Equity Compensation Plan (the "Plan") and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. The PRSUs were granted to the Reporting Person in connection with the closing of the transactions contemplated by the Agreement and Plan of Merger, dated June 21, 2022, by and among Leonardo DRS, Inc., RADA Electronic Industries Limited and Blackstart Ltd (the "Merger"). The PRSUs vested on March 17, 2025.

SEC source: 0001127602-25-009970 · form4.xml · nonDerivative · entry 6

Baylouny John · CIK 0001397134 · EVP and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 129,311

F2 · kind: Shares withheld by the Company to satisfy tax withholding requirements.

SEC source: 0001127602-25-009970 · form4.xml · nonDerivative · entry 5

Baylouny John · CIK 0001397134 · EVP and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 136,737

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · kind: Each restricted stock unit ("RSU") was granted under the Plan and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. The final third of the RSUs vested on March 17, 2025.

SEC source: 0001127602-25-009970 · form4.xml · nonDerivative · entry 4

Baylouny John · CIK 0001397134 · EVP and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 120,272

F2 · kind: Shares withheld by the Company to satisfy tax withholding requirements.

SEC source: 0001127602-25-009970 · form4.xml · nonDerivative · entry 3

Baylouny John · CIK 0001397134 · EVP and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 138,093

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Each performance restricted stock unit ("PRSU") was granted under the Issuer's 2022 Omnibus Equity Compensation Plan (the "Plan") and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. The PRSUs were granted to the Reporting Person in connection with the closing of the transactions contemplated by the Agreement and Plan of Merger, dated June 21, 2022, by and among Leonardo DRS, Inc., RADA Electronic Industries Limited and Blackstart Ltd (the "Merger"). The PRSUs vested on March 17, 2025.

SEC source: 0001127602-25-009970 · form4.xml · nonDerivative · entry 2

Baylouny John · CIK 0001397134 · EVP and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 98,579

F2 · kind: Shares withheld by the Company to satisfy tax withholding requirements.

SEC source: 0001127602-25-009970 · form4.xml · nonDerivative · entry 1

Baylouny John · CIK 0001397134 · EVP and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 112,974

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Each performance restricted stock unit ("PRSU") was granted under the Issuer's 2022 Omnibus Equity Compensation Plan (the "Plan") and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. The PRSUs were granted to the Reporting Person in connection with the closing of the transactions contemplated by the Agreement and Plan of Merger, dated June 21, 2022, by and among Leonardo DRS, Inc., RADA Electronic Industries Limited and Blackstart Ltd (the "Merger"). The PRSUs vested on March 17, 2025.

SEC source: 0001127602-25-010041 · form4.xml · derivative · entry 10

Dippold Michael · CIK 0001849658 · EVP and CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 13,509 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each restricted stock unit ("RSU") was granted under the Plan and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. The final third of the RSUs vested on March 17, 2025.

F3 · derivative.exercise_date: Each restricted stock unit ("RSU") was granted under the Plan and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. The final third of the RSUs vested on March 17, 2025.

F3 · derivative.expiration_date: Each restricted stock unit ("RSU") was granted under the Plan and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. The final third of the RSUs vested on March 17, 2025.

SEC source: 0001127602-25-010041 · form4.xml · derivative · entry 9

Dippold Michael · CIK 0001849658 · EVP and CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 32,422 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each performance restricted stock unit ("PRSU") was granted under the Issuer's 2022 Omnibus Equity Compensation Plan (the "Plan") and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. The PRSUs were granted to the Reporting Person in connection with the closing of the transactions contemplated by the Agreement and Plan of Merger, dated June 21, 2022, by and among Leonardo DRS, Inc., RADA Electronic Industries Limited and Blackstart Ltd (the "Merger"). The PRSUs vested on March 17, 2025.

F1 · derivative.exercise_date: Each performance restricted stock unit ("PRSU") was granted under the Issuer's 2022 Omnibus Equity Compensation Plan (the "Plan") and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. The PRSUs were granted to the Reporting Person in connection with the closing of the transactions contemplated by the Agreement and Plan of Merger, dated June 21, 2022, by and among Leonardo DRS, Inc., RADA Electronic Industries Limited and Blackstart Ltd (the "Merger"). The PRSUs vested on March 17, 2025.

F1 · derivative.expiration_date: Each performance restricted stock unit ("PRSU") was granted under the Issuer's 2022 Omnibus Equity Compensation Plan (the "Plan") and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. The PRSUs were granted to the Reporting Person in connection with the closing of the transactions contemplated by the Agreement and Plan of Merger, dated June 21, 2022, by and among Leonardo DRS, Inc., RADA Electronic Industries Limited and Blackstart Ltd (the "Merger"). The PRSUs vested on March 17, 2025.

SEC source: 0001127602-25-010041 · form4.xml · derivative · entry 8

Dippold Michael · CIK 0001849658 · EVP and CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 34,213 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each performance restricted stock unit ("PRSU") was granted under the Issuer's 2022 Omnibus Equity Compensation Plan (the "Plan") and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. The PRSUs were granted to the Reporting Person in connection with the closing of the transactions contemplated by the Agreement and Plan of Merger, dated June 21, 2022, by and among Leonardo DRS, Inc., RADA Electronic Industries Limited and Blackstart Ltd (the "Merger"). The PRSUs vested on March 17, 2025.

F1 · derivative.exercise_date: Each performance restricted stock unit ("PRSU") was granted under the Issuer's 2022 Omnibus Equity Compensation Plan (the "Plan") and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. The PRSUs were granted to the Reporting Person in connection with the closing of the transactions contemplated by the Agreement and Plan of Merger, dated June 21, 2022, by and among Leonardo DRS, Inc., RADA Electronic Industries Limited and Blackstart Ltd (the "Merger"). The PRSUs vested on March 17, 2025.

F1 · derivative.expiration_date: Each performance restricted stock unit ("PRSU") was granted under the Issuer's 2022 Omnibus Equity Compensation Plan (the "Plan") and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. The PRSUs were granted to the Reporting Person in connection with the closing of the transactions contemplated by the Agreement and Plan of Merger, dated June 21, 2022, by and among Leonardo DRS, Inc., RADA Electronic Industries Limited and Blackstart Ltd (the "Merger"). The PRSUs vested on March 17, 2025.

SEC source: 0001127602-25-010041 · form4.xml · nonDerivative · entry 6

Dippold Michael · CIK 0001849658 · EVP and CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 95,420

F2 · kind: Shares withheld by the Company to satisfy tax withholding requirements.

SEC source: 0001127602-25-010041 · form4.xml · nonDerivative · entry 5

Dippold Michael · CIK 0001849658 · EVP and CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 101,513

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · kind: Each restricted stock unit ("RSU") was granted under the Plan and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. The final third of the RSUs vested on March 17, 2025.

SEC source: 0001127602-25-010041 · form4.xml · nonDerivative · entry 4

Dippold Michael · CIK 0001849658 · EVP and CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 88,004

F2 · kind: Shares withheld by the Company to satisfy tax withholding requirements.

SEC source: 0001127602-25-010041 · form4.xml · nonDerivative · entry 3

Dippold Michael · CIK 0001849658 · EVP and CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 102,627

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Each performance restricted stock unit ("PRSU") was granted under the Issuer's 2022 Omnibus Equity Compensation Plan (the "Plan") and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. The PRSUs were granted to the Reporting Person in connection with the closing of the transactions contemplated by the Agreement and Plan of Merger, dated June 21, 2022, by and among Leonardo DRS, Inc., RADA Electronic Industries Limited and Blackstart Ltd (the "Merger"). The PRSUs vested on March 17, 2025.