[Form 4] TELOS CORP Insider Trading Activity

Rhea-AI Filing Summary

Telos (TLS) insider transaction: On 10/20/2025, a company officer (VP, Human Resources) reported settlement of performance-based RSUs and related share movements. The filing shows 8,591 shares acquired upon RSU vesting/settlement and an additional 4,048 shares acquired at $0. To cover taxes from vesting, 3,805 shares were withheld at $7.10 per share; no shares were sold to a third party. Following these transactions, the officer beneficially owns 64,582 shares directly and 6,359.58 shares held in a 401(k).

The RSUs vested after Telos stock traded at or above $6.00 for 50 consecutive days on the NASDAQ Global Market.

SEC Form 4

FORM 4

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
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

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

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Hill Donna K.

(Last) (First) (Middle)

C/O TELOS CORPORATION

19886 ASHBURN ROAD

(Street)

ASHBURN VA 20147

(City) (State) (Zip)

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)
	VP, Human Resources

3. Date of Earliest Transaction (Month/Day/Year)
10/20/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	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	10/20/2025		A		4,048(1)	A	$0	59,796	D
Common Stock	10/20/2025		M		8,591	A	(2)	68,387	D
Common Stock	10/20/2025		F		3,805(3)	D	$7.1	64,582	D
Common Stock								6,359.58	I	Held in 401(k)

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 (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	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 (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (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: 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	(2)	10/20/2025		M			8,591	(2)	12/31/2026	Common Stock	8,591	(2)	38,659	D

Explanation of Responses:

1. The reporting person acquired these shares upon the vesting of certain performance stock units.

2. Each performance-based RSU presents a contingent right to receive one share of Telos common stock. These performance-based RSUs vested and settled in shares of Telos common stock once Telos' common stock traded at or above $6.00 per share for 50 consecutive calendar days on the NASDAQ Global Market.

3. Telos withheld 3,805 shares of its common stock to satisfy the reporting person's tax withholding obligation resulting from the vesting of the performance stock units. The reporting person did not sell any shares of Telos stock to a third party as part of this transaction.

Remarks:

	/s/ Helen M. Oh, attorney-in-fact	10/21/2025
	** Signature of Reporting Person	Date
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.

FAQ

What did Telos (TLS) disclose in this Form 4?

An officer reported RSU vesting/settlement and tax-share withholding on 10/20/2025, with resulting changes in beneficial ownership.

How many RSUs vested for Telos (TLS)?

8,591 performance-based RSUs vested and settled into common shares.

What price condition triggered the Telos (TLS) RSU vesting?

Telos stock traded at or above $6.00 for 50 consecutive calendar days on the NASDAQ Global Market.

How many shares were withheld for taxes and at what price?

Telos withheld 3,805 shares at $7.10 per share to satisfy tax withholding; no shares were sold to a third party.

What is the officer’s beneficial ownership after the transactions?

Direct ownership is 64,582 shares, plus 6,359.58 shares held indirectly in a 401(k).

Were any other shares acquired aside from the RSUs?

Yes, 4,048 additional common shares were acquired at $0 in connection with vesting.

What is the officer’s role at Telos (TLS)?

The reporting person is an officer, serving as VP, Human Resources.