Sec Form 4 Filing - Leonardo S.p.a @ Leonardo DRS, Inc. - 2023-11-21

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL OMB Number: 3235-0287 Expires: November 30, 2011 Estimated average burden hours per response... 0.5

1. Name and Address of Reporting Person Leonardo S.p.a 2. Issuer Name and Ticker or Trading Symbol Leonardo DRS, Inc. [ DRS] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 4, PIAZZA MONTE GRAPPA 3. Date of Earliest Transaction (MM/DD/YY) 11/21/2023 (Street) ROME, L600195 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock, par value $0.01 per share 11/21/2023 S 20,700,000 D $ 17.0622 ( 1 ) 189,745,073 ( 2 ) I See Footnote 1

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Leonardo S.p.a 4, PIAZZA MONTE GRAPPA ROME, L600195 X Leonardo US Holding, LLC 1235 SOUTH CLARK STREET, SUITE 700 ARLINGTON, VA22202 X Signatures /s/ Federico Bonaiuto, General Counsel, Leonardo S.p.a. 11/21/2023 Signature of Reporting Person Date /s/ Larissa Meli, SVP, General Counsel and Secretary, Leonardo US Holding, LLC 11/21/2023 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Leonardo S.p.a., as the parent of Leonardo US Holding, LLC (the "Selling Stockholder"), beneficially owns the shares of Leonardo DRS, Inc.'s common stock (the "Common Stock") reported hereby, which are owned of record by the Selling Stockholder. ( 2 )On November 21, 2023, the Selling Stockholder sold 20,700,000 shares of Common Stock of Leonardo DRS, Inc. in an underwritten public offering at a per share price of $17.062188 pursuant to the Underwriting Agreement, dated November 16, 2023, by and among the Selling Stockholder, Leonardo DRS, Inc. and the underwriters party thereto, which includes the exercise in full of the underwriters' option to purchase additional shares. The public offering price in the underwritten public offering was $17.750000 per share

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.