Donna K. Hill - 02 Feb 2026 Form 4 Insider Report for TELOS CORP (TLS)

Role: VP, Human Resources
Signature: /s/ Helen M. Oh, attorney-in-fact
Issuer symbol: TLS
Transactions as of: 02 Feb 2026
Net transactions value: -$33,385
Form type: 4
Filing time: 04 Feb 2026, 16:06:10 UTC
Previous filing: 21 Oct 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Hill Donna K.	VP, Human Resources	C/O TELOS CORPORATION, 19886 ASHBURN ROAD, ASHBURN	/s/ Helen M. Oh, attorney-in-fact	04 Feb 2026	0002012047

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	TLS	Common Stock	Award	$0	+17,051	+26%	$0.000000	81,633	02 Feb 2026	Direct	F1
transaction	TLS	Common Stock	Tax liability	$33,385	-6,037	-7.4%	$5.53	75,596	02 Feb 2026	Direct	F2
holding	TLS	Common Stock						6,360	02 Feb 2026	Held in 401(k)

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The reporting person acquired these shares upon the vesting of certain performance share units.
F2	Telos withheld 6,037 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.