TLS

SEC source: 0001356849-26-000004 · wk-form4_1774037065.xml · nonDerivative · entry 1

Wood John B · CIK 0001356849 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,312,767

SEC source: 0001909327-26-000006 · wk-form4_1774037006.xml · nonDerivative · entry 1

Robbins Edward Hutchinson Jr. · CIK 0001909327 · EVP, General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 670,292

SEC source: 0002011895-26-000004 · wk-form4_1774036958.xml · nonDerivative · entry 1

Cooke Malcolm G. · CIK 0002011895 · VP, Chief Info Tech Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 152,296.091

SEC source: 0002075043-26-000002 · wk-form4_1774036942.xml · nonDerivative · entry 1

Terreri Donald Joseph · CIK 0002075043 · Controller, Chief Acct Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,164

SEC source: 0002012047-26-000004 · wk-form4_1774036950.xml · nonDerivative · entry 1

Hill Donna K. · CIK 0002012047 · VP, Human Resources

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 114,839

SEC source: 0001909327-26-000004 · wk-form4_1773961420.xml · nonDerivative · entry 1

Robbins Edward Hutchinson Jr. · CIK 0001909327 · EVP, General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 631,805

F1 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $4.00 to $4.05, inclusive. The reporting person undertakes to provide Telos Corporation, any security holder of Telos Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in these footnotes.

SEC source: 0001356849-26-000002 · wk-form4_1770239322.xml · nonDerivative · entry 2

Wood John B · CIK 0001356849 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,098,713

F2 · shares: Telos withheld 437,581 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.

SEC source: 0001356849-26-000002 · wk-form4_1770239322.xml · nonDerivative · entry 1

Wood John B · CIK 0001356849 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,536,294

F1 · shares: The reporting person acquired these shares upon the vesting of certain performance share units.

SEC source: 0001357717-26-000002 · wk-form4_1770239296.xml · nonDerivative · entry 2

Griffin Mark D · CIK 0001357717 · EVP, Security Solutions

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,362,157

F2 · shares: Telos withheld 172,756 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.

SEC source: 0001357717-26-000002 · wk-form4_1770239296.xml · nonDerivative · entry 1

Griffin Mark D · CIK 0001357717 · EVP, Security Solutions

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,534,913

F1 · shares: The reporting person acquired these shares upon the vesting of certain performance share units.

SEC source: 0001872955-26-000002 · wk-form4_1770239276.xml · nonDerivative · entry 2

Bendza Gary Mark · CIK 0001872955 · EVP, CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 901,324

F2 · shares: Telos withheld 219,268 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.

SEC source: 0001872955-26-000002 · wk-form4_1770239276.xml · nonDerivative · entry 1

Bendza Gary Mark · CIK 0001872955 · EVP, CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,120,592

F1 · shares: The reporting person acquired these shares upon the vesting of certain performance share units.

SEC source: 0001909327-26-000002 · wk-form4_1770239223.xml · nonDerivative · entry 2

Robbins Edward Hutchinson Jr. · CIK 0001909327 · EVP, General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 668,901

F2 · shares: Telos withheld 134,042 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.

SEC source: 0001909327-26-000002 · wk-form4_1770239223.xml · nonDerivative · entry 1

Robbins Edward Hutchinson Jr. · CIK 0001909327 · EVP, General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 802,943

F1 · shares: The reporting person acquired these shares upon the vesting of certain performance share units.

SEC source: 0002011895-26-000002 · wk-form4_1770239197.xml · nonDerivative · entry 2

Cooke Malcolm G. · CIK 0002011895 · VP, Chief Info Tech Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 109,485.091

F2 · shares: Telos withheld 6,658 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.

SEC source: 0002011895-26-000002 · wk-form4_1770239197.xml · nonDerivative · entry 1

Cooke Malcolm G. · CIK 0002011895 · VP, Chief Info Tech Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 116,143.091

F1 · shares: The reporting person acquired these shares upon the vesting of certain performance share units.

SEC source: 0002012047-26-000002 · wk-form4_1770239166.xml · nonDerivative · entry 2

Hill Donna K. · CIK 0002012047 · VP, Human Resources

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 75,596

F2 · shares: 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.

SEC source: 0002012047-26-000002 · wk-form4_1770239166.xml · nonDerivative · entry 1

Hill Donna K. · CIK 0002012047 · VP, Human Resources

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 81,633

F1 · shares: The reporting person acquired these shares upon the vesting of certain performance share units.

SEC source: 0001831624-25-000016 · wk-form4_1765574939.xml · nonDerivative · entry 3

Schaufeld Fredrick · CIK 0001831624 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Fredrick D. Schaufeld Rev Trust

Disclosed balance after: 948,718

F1 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $5.89 to $6.35, inclusive. The reporting person undertakes to provide Telos Corporation, any security holder of Telos Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in these footnotes.

SEC source: 0001831624-25-000016 · wk-form4_1765574939.xml · nonDerivative · entry 2

Schaufeld Fredrick · CIK 0001831624 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Fredrick D. Schaufeld Rev Trust

Disclosed balance after: 970,957

SEC source: 0001872955-25-000019 · wk-form4_1765490152.xml · nonDerivative · entry 1

Bendza Gary Mark · CIK 0001872955 · EVP, CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 637,574

F1 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $5.98 to $6.31, inclusive. The reporting person undertakes to provide Telos Corporation, any security holder of Telos Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001831624-25-000016 · wk-form4_1765574939.xml · nonDerivative · entry 1

Schaufeld Fredrick · CIK 0001831624 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Fredrick D. Schaufeld Rev Trust

Disclosed balance after: 995,957

SEC source: 0001831624-25-000014 · wk-form4_1765400528.xml · nonDerivative · entry 3

Schaufeld Fredrick · CIK 0001831624 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Fredrick D. Schaufeld Rev Trust

Disclosed balance after: 1,030,957

SEC source: 0001831624-25-000014 · wk-form4_1765400528.xml · nonDerivative · entry 2

Schaufeld Fredrick · CIK 0001831624 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Fredrick D. Schaufeld Rev Trust

Disclosed balance after: 1,065,957

SEC source: 0001831624-25-000014 · wk-form4_1765400528.xml · nonDerivative · entry 1

Schaufeld Fredrick · CIK 0001831624 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 216,818

SEC source: 0001356849-25-000026 · wk-form4_1764968534.xml · nonDerivative · entry 2

Wood John B · CIK 0001356849 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · By LLC

Disclosed balance after: 1,402,018

F2 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $5.54 to $5.63, inclusive. The reporting person undertakes to provide Telos Corporation, any security holder of Telos Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001831624-25-000012 · wk-form4_1764968516.xml · nonDerivative · entry 2

Schaufeld Fredrick · CIK 0001831624 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Jacob A. Schaufeld Irr Trust

Disclosed balance after: 9,781

F3 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $5.60 to $5.63, inclusive. The reporting person undertakes to provide Telos Corporation, any security holder of Telos Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · balance_after: The reporting person no longer has a reportable beneficial ownership interest in these shares of common stock and will longer report these shares in future ownership reports.

SEC source: 0001356849-25-000026 · wk-form4_1764968534.xml · nonDerivative · entry 1

Wood John B · CIK 0001356849 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · By LLC

Disclosed balance after: 1,552,018

F1 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $5.53 to $5.68, inclusive. The reporting person undertakes to provide Telos Corporation, any security holder of Telos Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001831624-25-000012 · wk-form4_1764968516.xml · nonDerivative · entry 1

Schaufeld Fredrick · CIK 0001831624 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Jacob A. Schaufeld Irr Trust

Disclosed balance after: 20,859

F1 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $5.60 to $5.68, inclusive. The reporting person undertakes to provide Telos Corporation, any security holder of Telos Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · balance_after: The reporting person no longer has a reportable beneficial ownership interest in these shares of common stock and will longer report these shares in future ownership reports.

SEC source: 0001831624-25-000010 · wk-form4_1764352882.xml · nonDerivative · entry 2

Schaufeld Fredrick · CIK 0001831624 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Fredrick D. Schaufeld Rev Trust

Disclosed balance after: 1,100,957

F2 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $5.70 to $5.95, inclusive.

SEC source: 0001831624-25-000010 · wk-form4_1764352882.xml · nonDerivative · entry 1

Schaufeld Fredrick · CIK 0001831624 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Fredrick D. Schaufeld Rev Trust

Disclosed balance after: 1,182,904

F1 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $5.73 to $5.98, inclusive. The reporting person undertakes to provide Telos Corporation, any security holder of Telos Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in these footnotes.

SEC source: 0001872955-25-000017 · wk-form4_1763067777.xml · nonDerivative · entry 1

Bendza Gary Mark · CIK 0001872955 · EVP, CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 879,911

F1 · price: The price reported in Column 4 is a weighted average price. The shares were acquired in multiple transactions at prices ranging from $7.00 to $7.26, inclusive. The reporting person undertakes to provide Telos Corporation, any security holder of Telos Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares acquired at each separate price within the range set forth in these footnotes.

SEC source: 0001872955-25-000015 · wk-form4_1761077659.xml · derivative · entry 5

Bendza Gary Mark · CIK 0001872955 · EVP, CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,095,127

Underlying: Common Stock · 243,362 shares

Expires 2026-12-31

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: 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.

F2 · price: 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.

F2 · derivative.exercise_date: 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.

SEC source: 0001872955-25-000015 · wk-form4_1761077659.xml · nonDerivative · entry 3

Bendza Gary Mark · CIK 0001872955 · EVP, CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 937,574

F3 · shares: Telos withheld 161,471 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.

SEC source: 0001872955-25-000015 · wk-form4_1761077659.xml · nonDerivative · entry 2

Bendza Gary Mark · CIK 0001872955 · EVP, CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,099,045

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · price: 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.

SEC source: 0001872955-25-000015 · wk-form4_1761077659.xml · nonDerivative · entry 1

Bendza Gary Mark · CIK 0001872955 · EVP, CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 855,683

F1 · shares: The reporting person acquired these shares upon the vesting of certain performance stock units.

SEC source: 0001356849-25-000022 · wk-form4_1761077688.xml · derivative · entry 6

Wood John B · CIK 0001356849 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,974,164

Underlying: Common Stock · Not disclosed shares

Expires 2026-12-31

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: 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.

F2 · derivative.exercise_date: 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.

F2 · derivative.underlying_shares: 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.

SEC source: 0001356849-25-000022 · wk-form4_1761077688.xml · nonDerivative · entry 3

Wood John B · CIK 0001356849 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,569,038

F3 · shares: Telos withheld 401,635 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.

F4 · balance_after: On August 12, 2024, it was erroneously reported that 158,644 shares were purchased and directly held by the reporting person. Those shares were actually purchased and held indirectly by JJJJJV, LLC, a limited liability company of which the reporting person is the manager and of which the reporting person and his spouse are the only members. The amounts reported correct amounts owned directly by the reporting person and indirectly by the JJJJJV, LLC, respectively as of the date of this report.

SEC source: 0001356849-25-000022 · wk-form4_1761077688.xml · nonDerivative · entry 2

Wood John B · CIK 0001356849 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,970,673

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · price: 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.

SEC source: 0001356849-25-000022 · wk-form4_1761077688.xml · nonDerivative · entry 1

Wood John B · CIK 0001356849 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,309,748

F1 · shares: The reporting person acquired these shares upon the vesting of certain performance stock units.

SEC source: 0001357717-25-000014 · wk-form4_1761077626.xml · derivative · entry 5

Griffin Mark D · CIK 0001357717 · EVP, Security Solutions

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 861,377

Underlying: Common Stock · 191,417 shares

Expires 2026-12-31

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: 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.

F2 · price: 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.

F2 · derivative.exercise_date: 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.

SEC source: 0001357717-25-000014 · wk-form4_1761077626.xml · nonDerivative · entry 3

Griffin Mark D · CIK 0001357717 · EVP, Security Solutions

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,154,993

F3 · shares: Telos withheld 127,006 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.

SEC source: 0001357717-25-000014 · wk-form4_1761077626.xml · nonDerivative · entry 2

Griffin Mark D · CIK 0001357717 · EVP, Security Solutions

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,281,999

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · price: 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.

SEC source: 0001357717-25-000014 · wk-form4_1761077626.xml · nonDerivative · entry 1

Griffin Mark D · CIK 0001357717 · EVP, Security Solutions

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,090,582

F1 · shares: The reporting person acquired these shares upon the vesting of certain performance stock units.

SEC source: 0002011895-25-000013 · wk-form4_1761077472.xml · derivative · entry 5

Cooke Malcolm G. · CIK 0002011895 · VP, Chief Info Tech Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,638

Underlying: Common Stock · 9,475 shares

Expires 2026-12-31

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: 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.

F2 · price: 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.

F2 · derivative.exercise_date: 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.

SEC source: 0002011895-25-000013 · wk-form4_1761077472.xml · nonDerivative · entry 3

Cooke Malcolm G. · CIK 0002011895 · VP, Chief Info Tech Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 97,337.091

F3 · shares: Telos withheld 4,196 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.

SEC source: 0002011895-25-000013 · wk-form4_1761077472.xml · nonDerivative · entry 2

Cooke Malcolm G. · CIK 0002011895 · VP, Chief Info Tech Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 101,533.091

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · price: 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.

SEC source: 0002011895-25-000013 · wk-form4_1761077472.xml · nonDerivative · entry 1

Cooke Malcolm G. · CIK 0002011895 · VP, Chief Info Tech Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 92,058.091

F1 · shares: The reporting person acquired these shares upon the vesting of certain performance share units.

SEC source: 0001909327-25-000015 · wk-form4_1761077510.xml · derivative · entry 5

Robbins Edward Hutchinson Jr. · CIK 0001909327 · EVP, General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 613,035

Underlying: Common Stock · 136,230 shares

Expires 2026-12-31

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: 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.

F2 · price: 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.

F2 · derivative.exercise_date: 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.

SEC source: 0001909327-25-000015 · wk-form4_1761077510.xml · nonDerivative · entry 3

Robbins Edward Hutchinson Jr. · CIK 0001909327 · EVP, General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 532,557

F3 · shares: Telos withheld 98,305 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.