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Dorfman Mark

Disclosed activity across 1 company

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40782
SEC CIK
0001849648

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Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Leonardo DRS, Inc.DRS · Entity 2710EVP, GC and SecretarySeptember 04, 2026September 08, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

Leonardo DRS, Inc.

Report date September 04, 2026 · Filed September 08, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect29,271 Reported balance After 2026-09-04 transaction · row 1
1 source row

Row 1 · 2026-09-04 · Sale · Disposed 7,471 · Balance 29,271

F1: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 6, 2026.

Filing footnotes · ownership attribution and instrument terms

F1: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 6, 2026.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
March 15, 2024 Filed Mar 19, 2024 19:30 UTC Leonardo DRS, Inc. DRS · Entity 2710 Exercise / conversionRestricted Stock Unit · Derivative 9,456 $0.00 $0.00
Disclosure

SEC source: 0001127602-24-010591 · form4.xml · derivative · entry 3

Dorfman Mark · CIK 0001849648 · EVP, GC and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,457

Underlying: Common Stock · 9,456 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 and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. One-third each of the RSUs vested on each of March 15, 2023 and March 15, 2024. The remaining one-third will vest on March 15, 2025, 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 and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. One-third each of the RSUs vested on each of March 15, 2023 and March 15, 2024. The remaining one-third will vest on March 15, 2025, 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 and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. One-third each of the RSUs vested on each of March 15, 2023 and March 15, 2024. The remaining one-third will vest on March 15, 2025, subject to the Reporting Person's continued employment with the Issuer through each date.

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March 15, 2024 Filed Mar 19, 2024 19:30 UTC Leonardo DRS, Inc. DRS · Entity 2710 Tax withholdingCommon Stock 3,297 $21.97 $72,435.09
Disclosure

SEC source: 0001127602-24-010591 · form4.xml · nonDerivative · entry 2

Dorfman Mark · CIK 0001849648 · EVP, GC and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,231

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

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March 15, 2024 Filed Mar 19, 2024 19:30 UTC Leonardo DRS, Inc. DRS · Entity 2710 Exercise / conversionCommon Stock 9,456 $0.00 $0.00
Disclosure

SEC source: 0001127602-24-010591 · form4.xml · nonDerivative · entry 1

Dorfman Mark · CIK 0001849648 · EVP, GC and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,528

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 · price: Each restricted stock unit ("RSU") was granted under the Issuer's 2022 Omnibus Equity Compensation Plan and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. One-third each of the RSUs vested on each of March 15, 2023 and March 15, 2024. The remaining one-third will vest on March 15, 2025, subject to the Reporting Person's continued employment with the Issuer through each date.

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April 18, 2023 Filed Apr 20, 2023 16:38 UTC Leonardo DRS, Inc. DRS · Entity 2710 GrantRestricted Stock Unit · Derivative 21,756 $0.00 $0.00
Disclosure

SEC source: 0001628280-23-012216 · wf-form4_168200872434693.xml · derivative · entry 1

Dorfman Mark · CIK 0001849648 · EVP, GC and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,756

Underlying: Common Stock · 21,756 shares

Expires not disclosed

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

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March 15, 2023 Filed May 11, 2023 14:39 UTC Leonardo DRS, Inc. DRS · Entity 2710 Exercise / conversionRestricted Stock Unit · Derivative 9,456 $0.00 $0.00
Disclosure

SEC source: 0001628280-23-017449 · wf-form4_168381597097020.xml · derivative · entry 3

Dorfman Mark · CIK 0001849648 · EVP, GC and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,913

Underlying: Common Stock · 9,456 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 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 March 15, 2023 and the remainder will vest one-third annually on each of March 15, 2024 and March 15, 2025, 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 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 March 15, 2023 and the remainder will vest one-third annually on each of March 15, 2024 and March 15, 2025, 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 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 March 15, 2023 and the remainder will vest one-third annually on each of March 15, 2024 and March 15, 2025, subject to the Reporting Person's continued employment with the Issuer through each date.

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March 15, 2023 Filed May 11, 2023 14:39 UTC Leonardo DRS, Inc. DRS · Entity 2710 Tax withholdingCommon Stock 3,384 $12.35 $41,792.40
Disclosure

SEC source: 0001628280-23-017449 · wf-form4_168381597097020.xml · nonDerivative · entry 2

Dorfman Mark · CIK 0001849648 · EVP, GC and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,072

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

Read SEC document
March 15, 2023 Filed May 11, 2023 14:39 UTC Leonardo DRS, Inc. DRS · Entity 2710 Exercise / conversionCommon Stock 9,456 $0.00 $0.00
Disclosure

SEC source: 0001628280-23-017449 · wf-form4_168381597097020.xml · nonDerivative · entry 1

Dorfman Mark · CIK 0001849648 · EVP, GC and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,456

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 · price: Each restricted stock unit ("RSU") was granted under the Issuer's 2022 Omnibus Equity Compensation 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 March 15, 2023 and the remainder will vest one-third annually on each of March 15, 2024 and March 15, 2025, subject to the Reporting Person's continued employment with the Issuer through each date.

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November 29, 2022 Filed Nov 30, 2022 12:49 UTC Leonardo DRS, Inc. DRS · Entity 2710 GrantPerformance Restricted Stock Unit · Derivative 44,572 $0.00 $0.00
Disclosure

SEC source: 0001628280-22-031016 · wf-form4_166981257529551.xml · derivative · entry 2

Dorfman Mark · CIK 0001849648 · EVP, GC and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 44,572

Underlying: Common Stock · 44,572 shares

Expires not disclosed

F2 · derivative.exercise_price: Each performance restricted stock unit ("PRSU") 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 PRSUs were granted to the Reporting Person in connection with the closing of the Merger. The target number of PRSUs is presented in the table. The PRSUs are scheduled to vest over a period of two years, and the number of PRSUs actually earned will be determined based upon the achievement of certain predetermined performance targets and have no expiration date.

F2 · derivative.exercise_date: Each performance restricted stock unit ("PRSU") 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 PRSUs were granted to the Reporting Person in connection with the closing of the Merger. The target number of PRSUs is presented in the table. The PRSUs are scheduled to vest over a period of two years, and the number of PRSUs actually earned will be determined based upon the achievement of certain predetermined performance targets and have no expiration date.

F2 · derivative.expiration_date: Each performance restricted stock unit ("PRSU") 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 PRSUs were granted to the Reporting Person in connection with the closing of the Merger. The target number of PRSUs is presented in the table. The PRSUs are scheduled to vest over a period of two years, and the number of PRSUs actually earned will be determined based upon the achievement of certain predetermined performance targets and have no expiration date.

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November 29, 2022 Filed Nov 30, 2022 12:49 UTC Leonardo DRS, Inc. DRS · Entity 2710 GrantRestricted Stock Unit · Derivative 29,715 $0.00 $0.00
Disclosure

SEC source: 0001628280-22-031016 · wf-form4_166981257529551.xml · derivative · entry 1

Dorfman Mark · CIK 0001849648 · EVP, GC and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,715

Underlying: Common Stock · 29,715 shares

Expires not disclosed

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. The RSUs 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 RSUs are scheduled to vest on the second anniversary of the grant date and have no expiration 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. The RSUs 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 RSUs are scheduled to vest on the second anniversary of the grant date and have no expiration 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. The RSUs 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 RSUs are scheduled to vest on the second anniversary of the grant date and have no expiration date.

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November 29, 2022 Filed Jan 30, 2023 21:44 UTC Leonardo DRS, Inc. DRS · Entity 2710 GrantRestricted Stock Unit · Derivative 28,369 $0.00 $0.00
Disclosure

SEC source: 0001628280-23-001742 · wf-form4_167511508029682.xml · derivative · entry 1

Dorfman Mark · CIK 0001849648 · EVP, GC and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,369

Underlying: Common Stock · 28,369 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") was granted under the Issuer's 2022 Omnibus Equity Compensation Plan, and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. The RSUs are scheduled to vest one-third annually on each of March 15, 2023, March 15, 2024 and March 15, 2025, subject to the Reporting Person's continued employment with the Issuer through each date. The number of RSUs that vest on each of March 15, 2023 and March 15, 2024 shall be rounded down to the nearest whole number of RSUs and the remaining RSUs shall vest on March 15, 2025.

F1 · kind: Each restricted stock unit ("RSU") was granted under the Issuer's 2022 Omnibus Equity Compensation Plan, and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. The RSUs are scheduled to vest one-third annually on each of March 15, 2023, March 15, 2024 and March 15, 2025, subject to the Reporting Person's continued employment with the Issuer through each date. The number of RSUs that vest on each of March 15, 2023 and March 15, 2024 shall be rounded down to the nearest whole number of RSUs and the remaining RSUs shall vest on March 15, 2025.

F1 · derivative.exercise_date: Each restricted stock unit ("RSU") was granted under the Issuer's 2022 Omnibus Equity Compensation Plan, and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. The RSUs are scheduled to vest one-third annually on each of March 15, 2023, March 15, 2024 and March 15, 2025, subject to the Reporting Person's continued employment with the Issuer through each date. The number of RSUs that vest on each of March 15, 2023 and March 15, 2024 shall be rounded down to the nearest whole number of RSUs and the remaining RSUs shall vest on March 15, 2025.

F1 · derivative.expiration_date: Each restricted stock unit ("RSU") was granted under the Issuer's 2022 Omnibus Equity Compensation Plan, and represents a contingent right to receive one share of the common stock of the Issuer or the cash equivalent thereof. The RSUs are scheduled to vest one-third annually on each of March 15, 2023, March 15, 2024 and March 15, 2025, subject to the Reporting Person's continued employment with the Issuer through each date. The number of RSUs that vest on each of March 15, 2023 and March 15, 2024 shall be rounded down to the nearest whole number of RSUs and the remaining RSUs shall vest on March 15, 2025.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.