Sec Form 4 Filing - Robbins Edward Hutchinson Jr. @ TELOS CORP - 2024-05-28

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

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1. Name and Address of Reporting Person Robbins Edward Hutchinson Jr. 2. Issuer Name and Ticker or Trading Symbol TELOS CORP [ TLS] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) EVP, General Counsel (Last) (First) (Middle) C/O TELOS CORPORATION, 19886 ASHBURN ROAD 3. Date of Earliest Transaction (MM/DD/YY) 05/28/2024 (Street) ASHBURN, VA20147 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ 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 7,545.72 I By 401k plan Common Stock 470,654 D

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 Performance-Based RSUs ( 1 ) 05/28/2024 A 749,265 ( 2 ) 12/31/2026 Common Stock 749,265 $ 0 749,265 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Robbins Edward Hutchinson Jr. C/O TELOS CORPORATION 19886 ASHBURN ROAD ASHBURN, VA20147 EVP, General Counsel Signatures /s/ Helen M. Oh, attorney-in-fact 05/30/2024 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Each performance-based RSU presents a contingent right to receive one share of Issuer common stock. A specified number of performance-based RSUs will vest and be settled in shares of Issuer common stock upon Issuers common stock trading at or above a certain market price per share for 50 consecutive calendar days before December 31, 2026, as reported by the NASDAQ Global Market: (a) 136,230 units if trading at or above $6.00 per share; (b) 136,230 units if trading at or above $8 per share; (c) 204,345 units if trading at or above $10 per share; and (d) 272,460 units if trading at or above $12 per share. The reporting person may achieve one or more of these criteria. The Compensation Committee shall determine whether the performance criteria were met. The performance criteria are subject to equitable adjustment by the Compensation Committee in the event of the occurrence of extraordinary or unusual events, including without limitation acquisitions or dispositions. ( 2 )See Footnote 1.

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).

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