Telos (TLS) VP Donna K. Hill has 2,310 shares withheld for RSU taxes

Rhea-AI Filing Summary

Telos Corp VP of Human Resources Donna K. Hill reported a tax-related share disposition tied to restricted stock unit vesting. Telos withheld 2,310 shares of common stock at $4.20 per share to satisfy her tax withholding obligation, and no shares were sold to a third party. After this transaction, she directly holds 100,319 shares of Telos common stock and indirectly holds 8,813.99 shares in a 401(k) account.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Hill Donna K.

Role VP, Human Resources

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock	2,310	$4.20	$10K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 100,319 shares (Direct, null); Common Stock — 8,813.99 shares (Indirect, Held in 401(k))

Footnotes (1)

1. [object Object]

Key Figures

Tax-withheld shares: 2,310 shares Withholding price: $4.20 per share Direct holdings after transaction: 100,319 shares +2 more

5 metrics

Tax-withheld shares 2,310 shares Shares withheld to satisfy tax obligation on RSU vesting

Withholding price $4.20 per share Value used for 2,310 withheld shares

Direct holdings after transaction 100,319 shares Common stock directly owned after tax withholding

Indirect 401(k) holdings 8,813.99 shares Common stock held indirectly in 401(k) account

Tax-withholding transactions 1 transaction, 2,310 shares Summary tax-withholding count and shares

Key Terms

tax withholding obligation, restricted stock units, 401(k), tax-withholding disposition

4 terms

tax withholding obligation financial

"to satisfy the reporting person's tax withholding obligation resulting from the vesting"

restricted stock units financial

"resulting from the vesting of the restricted stock units"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

401(k) financial

"Held in 401(k)"

A 401(k) is a type of retirement savings plan offered by employers that allows workers to set aside a portion of their paycheck before taxes are taken out. The money saved in a 401(k) can grow over time through investments, helping individuals build funds for their future retirement. It matters to investors because it provides a tax-advantaged way to save and invest for long-term financial security.

tax-withholding disposition financial

"transaction_action": "tax-withholding disposition""

A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.

Form 4 Insider Transactions: What Each Field Means →

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

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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 VIRGINIA 20147

(City) (State) (Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/16/2026

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

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

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

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	05/16/2026		F		2,310(1)	D	$4.2	100,319	D
Common Stock								8,813.99	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

Explanation of Responses:

1. Telos withheld 2,310 shares of its common stock to satisfy the reporting person's tax withholding obligation resulting from the vesting of the restricted 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	05/19/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did Telos (TLS) VP Donna K. Hill report?

Donna K. Hill reported a tax-withholding disposition of Telos shares. The company withheld 2,310 common shares to cover taxes from restricted stock unit vesting, rather than selling shares to an outside buyer.

How many Telos (TLS) shares were withheld for Donna K. Hill’s taxes?

Telos withheld 2,310 common shares for Donna K. Hill’s tax obligation. The shares were valued at $4.20 each and were used solely to satisfy taxes arising from the vesting of restricted stock units.

Did Donna K. Hill sell any Telos (TLS) shares to the market?

She did not sell any shares to a third party. The filing specifies that all 2,310 shares involved were withheld by Telos to satisfy her tax withholding obligation from restricted stock unit vesting.

How many Telos (TLS) shares does Donna K. Hill own after this Form 4?

After the reported transaction, she directly owns 100,319 Telos common shares. She also indirectly owns 8,813.99 additional shares through a 401(k) account, both positions disclosed in the same Form 4 filing.

What does the Form 4 tax-withholding code F mean for Telos (TLS)?

Code F indicates shares were withheld to pay taxes, not sold on the open market. In this case, Telos withheld 2,310 shares from Donna K. Hill to satisfy her tax liability on vested restricted stock units.