Mark D. Griffin - Jul 1, 2025 Form 4 Insider Report for TELOS CORP (TLS)

Role: EVP, Security Solutions
Signature: /s/ Helen M. Oh, attorney-in-fact
Stock symbol: TLS
Transactions as of: Jul 1, 2025
Transactions value $: $115,861
Form type: 4
Date filed: 7/2/2025, 04:18 PM
Previous filing: Jun 13, 2025
Next filing: Oct 21, 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Griffin Mark D	EVP, Security Solutions	C/O TELOS CORPORATION, 19886 ASHBURN ROAD, ASHBURN	/s/ Helen M. Oh, attorney-in-fact	2025-07-02	0001357717

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	TLS	Common Stock	Award	$211K	+67.6K	+7.02%	$3.12	1.03M	Jul 1, 2025	Direct	F1
transaction	TLS	Common Stock	Tax liability	-$95.2K	-30.5K	-2.96%	$3.12	1M	Jul 1, 2025	Direct	F2
holding	TLS	Common Stock						17.9K	Jul 1, 2025	By 401k Plan

* 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 30,507 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.