STRR

SEC source: 0001548312-26-000008 · wk-form4_1774647456.xml · nonDerivative · entry 1

Eberwein Jeffrey E. · CIK 0001548312 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,034,477

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.

F1 · price: Each Restricted Stock Unit represents the right to receive, at settlement, one share of common stock.

F2 · price: This transaction represents the settlement of Restricted Stock Units in shares of common stock on their scheduled vesting date.

F3 · balance_after: Includes (i) 14,621 shares of restricted stock credited to the Reporting Person's account under the Issuer's 2009 Incentive Plan; (ii) 6,750 RSUs; and (iii) 1,013,106 shares of common stock. Excludes 1,690 shares indirectly owned in contributory 401(k) and IRA accounts. Each share of restricted stock and each RSU shall vest upon the first anniversary of the grant date and represents the right to receive, at settlement, one share of common stock.

SEC source: 0001556224-26-000006 · wk-form4a_1785540721.xml · nonDerivative · entry 1

Coleman Richard Kenneth Jr. · CIK 0001556224 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,477

F1 · security: On March 27, 2026, the Reporting Person filed a Form 4 which reported that the Reporting Person had purchased 977 shares of Common Stock of the Issuer. In fact, as reported in this amendment, the Reporting Person purchased 977 shares of 10% Series A Cumulative Perpetual Preferred Stock ("Preferred Stock") of the Issuer, and not 977 shares of Common Stock. Subsequent Form 4s filed by the Reporting Person will include the corrected amount of Common Stock and Preferred Stock beneficially owned by the Reporting Person.

SEC source: 0001779155-26-000002 · wk-form4_1774313041.xml · nonDerivative · entry 2

Diamond Matthew K · CIK 0001779155 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,938

F2 · shares: This number represents shares of Star Equity Holdings, Inc. Common Stock withheld to satisfy the tax withholding obligation due upon vesting of performance-based restricted stock units.

F3 · balance_after: Includes (i) 6,889 RSUs credited to the Reporting Person's account under the Issuer's 2009 Incentive Plan; and (ii) 14,049 shares of common stock. Each RSU is the economic equivalent of one share of Common Stock. RSUs may be settled pursuant to the 2009 Incentive Plan by the issuance of Common Stock, the payment of cash, or a combination of both.

SEC source: 0001779155-26-000002 · wk-form4_1774313041.xml · nonDerivative · entry 1

Diamond Matthew K · CIK 0001779155 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,489

F1 · shares: On January 24, 2025 (the "Grant Date"), the restricted stock units ("RSUs") were granted to the Reporting Person under the Issuer's 2009 Incentive Stock and Awards Plan, as amended and restated (the "2009 Incentive Plan") for which the performance conditions related to vesting were satisfied as of March 19, 2026. The RSUs granted are subject to time-based vesting conditions that vest 33% on the first anniversary of the Grant Date (1,318 RSUs), 33% on the second anniversary of the Grant Date (1,318 RSUs), and 34% on the third anniversary of the Grant Date (1,357 RSUs).

SEC source: 0001548312-26-000004 · wk-form4_1774312995.xml · nonDerivative · entry 1

Eberwein Jeffrey E. · CIK 0001548312 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,033,737

F1 · shares: On January 24, 2025 (the "Grant Date"), the restricted stock units ("RSUs") were granted to the Reporting Person under the Issuer's 2009 Incentive Stock and Awards Plan, as amended and restated (the "2009 Incentive Plan") for which the performance conditions related to vesting were satisfied as of March 19, 2026. The RSUs granted are subject to time-based vesting conditions that vest 66.66% on the first anniversary of the Grant Date (13,460 RSUs), 16.7% on the second anniversary of the Grant Date (3,375 RSUs), and 16.7% on the third anniversary of the Grant Date (3,375 RSUs).

F2 · balance_after: Includes (i) 14,621 shares of restricted stock credited to the Reporting Person's account under the Issuer's 2009 Incentive Plan ; (ii) 6,750 RSUs; and (iii) 1,012,366 shares of common stock. Excludes 1,690 shares indirectly owned in contributory 401(k) and IRA accounts. Each share of restricted stock and each RSU shall vest upon the first anniversary of the grant date and represents the right to receive, at settlement, one share of common stock.

SEC source: 0001556224-26-000002 · wk-form4_1774650905.xml · nonDerivative · entry 1

Coleman Richard Kenneth Jr. · CIK 0001556224 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,018

F1 · shares: On March 19, 2026 (the "Grant Date"), restricted stock units ("RSUs") were granted to the Reporting Person under the Issuer's 2009 Incentive Stock and Awards Plan, as amended and restated. The RSUs are subject to time-based vesting conditions, vesting 33% on the first anniversary of the Grant Date (1,497 RSUs), 33% on the second anniversary of the Grant Date (1,497 RSUs), and 34% on the third anniversary of the Grant Date (1,543 RSUs).

SEC source: 0001548312-26-000002 · wk-form4_1768599782.xml · nonDerivative · entry 1

Eberwein Jeffrey E. · CIK 0001548312 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,013,527

F1 · shares: Includes 5,703 shares of restricted stock credited to the Reporting Person's account under the Issuer's 2009 Incentive Stock and Awards Plan, as amended and restated. Mr. Eberwein has elected to receive fifty percent of his base salary in the form of such restricted stock. Each share of restricted stock shall vest upon the first anniversary of the grant date and represents the right to receive, at settlement, one share of common stock.

SEC source: 0001548312-25-000047 · wk-form4_1767218541.xml · nonDerivative · entry 3

Eberwein Jeffrey E. · CIK 0001548312 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,007,824

SEC source: 0001548312-25-000047 · wk-form4_1767218541.xml · nonDerivative · entry 2

Eberwein Jeffrey E. · CIK 0001548312 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,005,847

SEC source: 0001548312-25-000047 · wk-form4_1767218541.xml · nonDerivative · entry 1

Eberwein Jeffrey E. · CIK 0001548312 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 787,217

F1 · security: Star Equity Holdings, Inc. 10% Series A Cumulative Perpetual Preferred Stock, which is not convertible or exchangeable into Star Equity Holdings, Inc. Common Stock.

SEC source: 0001548312-25-000045 · wk-form4_1767053371.xml · nonDerivative · entry 3

Eberwein Jeffrey E. · CIK 0001548312 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,000,556

SEC source: 0001548312-25-000045 · wk-form4_1767053371.xml · nonDerivative · entry 2

Eberwein Jeffrey E. · CIK 0001548312 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 791,582

F1 · security: Star Equity Holdings, Inc. 10% Series A Cumulative Perpetual Preferred Stock, which is not convertible or exchangeable into Star Equity Holdings, Inc. Common Stock.

SEC source: 0001548312-25-000045 · wk-form4_1767053371.xml · nonDerivative · entry 1

Eberwein Jeffrey E. · CIK 0001548312 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 794,217

F1 · security: Star Equity Holdings, Inc. 10% Series A Cumulative Perpetual Preferred Stock, which is not convertible or exchangeable into Star Equity Holdings, Inc. Common Stock.

SEC source: 0001548312-25-000039 · wk-form4_1765400472.xml · nonDerivative · entry 2

Eberwein Jeffrey E. · CIK 0001548312 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 810,217

F1 · shares: December 8, 2025, Mr. Eberwein entered into a securities exchange agreement with the Issuer, pursuant to which Mr. Eberwein purchased from the Issuer, 287,631 shares of common stock, in exchange for Mr. Eberwein transferring 320,855 shares of Preferred Stock to the Issuer.

SEC source: 0001548312-25-000039 · wk-form4_1765400472.xml · nonDerivative · entry 1

Eberwein Jeffrey E. · CIK 0001548312 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 990,847

F1 · shares: December 8, 2025, Mr. Eberwein entered into a securities exchange agreement with the Issuer, pursuant to which Mr. Eberwein purchased from the Issuer, 287,631 shares of common stock, in exchange for Mr. Eberwein transferring 320,855 shares of Preferred Stock to the Issuer.

F2 · balance_after: Includes 8,918 of Restricted Stock Units ("RSUs") which represent the right to receive, at settlement, one share of common stock.

SEC source: 0002029196-25-000006 · wk-form4_1764029896.xml · derivative · entry 2

Palmer Jennifer · CIK 0002029196 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 361 shares

Expires not disclosed

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.

F1 · derivative.exercise_price: Each Restricted Stock Unit represents the right to receive, at settlement, one share of common stock.

F2 · derivative.exercise_price: This transaction represents the settlement of Restricted Stock Units in shares of common stock on their scheduled vesting date.

F1 · price: Each Restricted Stock Unit represents the right to receive, at settlement, one share of common stock.

F3 · derivative.exercise_date: On November 22, 2024, the Reporting Person was granted Restricted Stock Units by Star Operating Companies, Inc. ("SOC"), each of which represented the right to receive, at settlement, one share of SOC common stock ("SOC RSUs"). Pursuant to the Agreement and Plan of Merger, dated as of May 21, 2025, by and among SOC, the Issuer and HSON Merger Sub, Inc., a wholly owned subsidiary of the Issuer, the Reporting Person's SOC RSUs were exchanged for 361 Restricted Stock Units. As to this grant, one hundred percent (100%) of the Restricted Stock Units vested on November 22, 2025.

F3 · derivative.expiration_date: On November 22, 2024, the Reporting Person was granted Restricted Stock Units by Star Operating Companies, Inc. ("SOC"), each of which represented the right to receive, at settlement, one share of SOC common stock ("SOC RSUs"). Pursuant to the Agreement and Plan of Merger, dated as of May 21, 2025, by and among SOC, the Issuer and HSON Merger Sub, Inc., a wholly owned subsidiary of the Issuer, the Reporting Person's SOC RSUs were exchanged for 361 Restricted Stock Units. As to this grant, one hundred percent (100%) of the Restricted Stock Units vested on November 22, 2025.

SEC source: 0002029196-25-000006 · wk-form4_1764029896.xml · nonDerivative · entry 1

Palmer Jennifer · CIK 0002029196 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,373

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.

F1 · price: Each Restricted Stock Unit represents the right to receive, at settlement, one share of common stock.

F2 · price: This transaction represents the settlement of Restricted Stock Units in shares of common stock on their scheduled vesting date.

SEC source: 0002029470-25-000011 · wk-form4_1764029778.xml · derivative · entry 2

Fruhbeis Todd Michael · CIK 0002029470 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 341 shares

Expires not disclosed

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.

F1 · derivative.exercise_price: Each Restricted Stock Unit represents the right to receive, at settlement, one share of common stock.

F2 · derivative.exercise_price: This transaction represents the settlement of Restricted Stock Units in shares of common stock on their scheduled vesting date.

F1 · price: Each Restricted Stock Unit represents the right to receive, at settlement, one share of common stock.

F3 · derivative.exercise_date: On November 22, 2024, the Reporting Person was granted Restricted Stock Units by Star Operating Companies, Inc. ("SOC"), each of which represented the right to receive, at settlement, one share of SOC common stock ("SOC RSUs"). Pursuant to the Agreement and Plan of Merger, dated as of May 21, 2025, by and among SOC, the Issuer and HSON Merger Sub, Inc., a wholly owned subsidiary of the Issuer, the Reporting Person's SOC RSUs were exchanged for 341 Restricted Stock Units. As to this grant, one hundred percent (100%) of the Restricted Stock Units vested on November 22, 2025.

F3 · derivative.expiration_date: On November 22, 2024, the Reporting Person was granted Restricted Stock Units by Star Operating Companies, Inc. ("SOC"), each of which represented the right to receive, at settlement, one share of SOC common stock ("SOC RSUs"). Pursuant to the Agreement and Plan of Merger, dated as of May 21, 2025, by and among SOC, the Issuer and HSON Merger Sub, Inc., a wholly owned subsidiary of the Issuer, the Reporting Person's SOC RSUs were exchanged for 341 Restricted Stock Units. As to this grant, one hundred percent (100%) of the Restricted Stock Units vested on November 22, 2025.

SEC source: 0002029470-25-000011 · wk-form4_1764029778.xml · nonDerivative · entry 1

Fruhbeis Todd Michael · CIK 0002029470 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,213

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.

F1 · price: Each Restricted Stock Unit represents the right to receive, at settlement, one share of common stock.

F2 · price: This transaction represents the settlement of Restricted Stock Units in shares of common stock on their scheduled vesting date.

SEC source: 0002029214-25-000010 · wk-form4_1764029548.xml · derivative · entry 2

Parks Louis A. · CIK 0002029214 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 380 shares

Expires not disclosed

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.

F1 · derivative.exercise_price: Each Restricted Stock Unit represents the right to receive, at settlement, one share of common stock.

F2 · derivative.exercise_price: This transaction represents the settlement of Restricted Stock Units in shares of common stock on their scheduled vesting date.

F1 · price: Each Restricted Stock Unit represents the right to receive, at settlement, one share of common stock.

F3 · derivative.exercise_date: On November 22, 2024, the Reporting Person was granted Restricted Stock Units by Star Operating Companies, Inc. ("SOC"), each of which represented the right to receive, at settlement, one share of SOC common stock ("SOC RSUs"). Pursuant to the Agreement and Plan of Merger, dated as of May 21, 2025, by and among SOC, the Issuer and HSON Merger Sub, Inc., a wholly owned subsidiary of the Issuer, the Reporting Person's SOC RSUs were exchanged for 380 Restricted Stock Units. As to this grant, one hundred percent (100%) of the Restricted Stock Units vested on November 22, 2025.

F3 · derivative.expiration_date: On November 22, 2024, the Reporting Person was granted Restricted Stock Units by Star Operating Companies, Inc. ("SOC"), each of which represented the right to receive, at settlement, one share of SOC common stock ("SOC RSUs"). Pursuant to the Agreement and Plan of Merger, dated as of May 21, 2025, by and among SOC, the Issuer and HSON Merger Sub, Inc., a wholly owned subsidiary of the Issuer, the Reporting Person's SOC RSUs were exchanged for 380 Restricted Stock Units. As to this grant, one hundred percent (100%) of the Restricted Stock Units vested on November 22, 2025.

SEC source: 0002029214-25-000010 · wk-form4_1764029548.xml · nonDerivative · entry 1

Parks Louis A. · CIK 0002029214 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,392

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.

F1 · price: Each Restricted Stock Unit represents the right to receive, at settlement, one share of common stock.

F2 · price: This transaction represents the settlement of Restricted Stock Units in shares of common stock on their scheduled vesting date.

SEC source: 0001548312-25-000034 · wk-form4_1764029679.xml · derivative · entry 2

Eberwein Jeffrey E. · CIK 0001548312 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 675 shares

Expires not disclosed

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.

F1 · derivative.exercise_price: Each Restricted Stock Unit represents the right to receive, at settlement, one share of common stock.

F2 · derivative.exercise_price: This transaction represents the settlement of Restricted Stock Units in shares of common stock on their scheduled vesting date.

F1 · price: Each Restricted Stock Unit represents the right to receive, at settlement, one share of common stock.

F3 · derivative.exercise_date: On November 22, 2024, the Reporting Person was granted Restricted Stock Units by Star Operating Companies, Inc. ("SOC"), each of which represented the right to receive, at settlement, one share of SOC common stock ("SOC RSUs"). Pursuant to the Agreement and Plan of Merger, dated as of May 21, 2025, by and among SOC, the Issuer and HSON Merger Sub, Inc., a wholly owned subsidiary of the Issuer, the Reporting Person's SOC RSUs were exchanged for 675 Restricted Stock Units. As to this grant, one hundred percent (100%) of the Restricted Stock Units vested on November 22, 2025.

F3 · derivative.expiration_date: On November 22, 2024, the Reporting Person was granted Restricted Stock Units by Star Operating Companies, Inc. ("SOC"), each of which represented the right to receive, at settlement, one share of SOC common stock ("SOC RSUs"). Pursuant to the Agreement and Plan of Merger, dated as of May 21, 2025, by and among SOC, the Issuer and HSON Merger Sub, Inc., a wholly owned subsidiary of the Issuer, the Reporting Person's SOC RSUs were exchanged for 675 Restricted Stock Units. As to this grant, one hundred percent (100%) of the Restricted Stock Units vested on November 22, 2025.

SEC source: 0001548312-25-000034 · wk-form4_1764029679.xml · nonDerivative · entry 1

Eberwein Jeffrey E. · CIK 0001548312 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 703,216

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.

F1 · price: Each Restricted Stock Unit represents the right to receive, at settlement, one share of common stock.

F2 · price: This transaction represents the settlement of Restricted Stock Units in shares of common stock on their scheduled vesting date.

SEC source: 0001548312-25-000032 · wk-form4_1763595576.xml · nonDerivative · entry 3

Eberwein Jeffrey E. · CIK 0001548312 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 702,541

F1 · price: The prices reported in this column are weighted average prices. The Reporting Person undertakes to provide the Issuer and any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased (or sold) at each separate price such shares were purchased.

SEC source: 0001548312-25-000032 · wk-form4_1763595576.xml · nonDerivative · entry 2

Eberwein Jeffrey E. · CIK 0001548312 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 700,229

F1 · price: The prices reported in this column are weighted average prices. The Reporting Person undertakes to provide the Issuer and any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased (or sold) at each separate price such shares were purchased.

SEC source: 0001548312-25-000032 · wk-form4_1763595576.xml · nonDerivative · entry 1

Eberwein Jeffrey E. · CIK 0001548312 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 690,012

F1 · price: The prices reported in this column are weighted average prices. The Reporting Person undertakes to provide the Issuer and any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased (or sold) at each separate price such shares were purchased.

SEC source: 0001995211-25-000003 · wk-form4_1763595030.xml · nonDerivative · entry 2

Zabkowicz Jacob · CIK 0001995211 · CEO Hudson Talent SolutionsLLC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 180,713

F2 · shares: This number represents shares of Star Equity Holdings, Inc. Common Stock withheld to satisfy the tax withholding obligation due upon vesting of time-based RSUs.

F3 · balance_after: Includes (i) 135,456 RSUs credited to the Reporting Person's account under the 2009 Plan; and (ii) 45,257 shares of common stock. RSUs may be settled pursuant to the 2009 Plan by the issuance of Common Stock, the payment of cash, or a combination of both.

SEC source: 0001995211-25-000003 · wk-form4_1763595030.xml · nonDerivative · entry 1

Zabkowicz Jacob · CIK 0001995211 · CEO Hudson Talent SolutionsLLC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 195,019

F1 · shares: On November 13, 2025 (the "Grant Date"), 66,171 restricted stock units ("RSUs") were granted to the reporting person under the Hudson Global, Inc. 2009 Incentive Stock and Awards Plan, as amended and restated (the "2009 Plan"). The RSUs granted hereunder shall vest in equal annual installments for a three-year period beginning on the Grant Date, subject to continuous service by the reporting person. Each RSU represents a right to receive a share of common stock.

SEC source: 0001742046-25-000007 · wk-form4_1762981314.xml · nonDerivative · entry 1

Miles Shawn Spain · CIK 0001742046 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,457

F1 · shares: Shares withheld by Issuer to satisfy the minimum statutory tax withholding requirements on vesting of Restricted Stock Units, each representing the right to receive, at settlement, one share of common stock. No shares were sold.

F2 · balance_after: Includes 1,523 shares of common stock and 1,934 shares of Restricted Stock Units ("RSUs") granted to the Reporting Person on July 27, 2023, November 8, 2024, and March 25, 2025. The RSUs. are subject to the Reporting Person continuing to provide service through the RSU's applicable vesting date.

SEC source: 0001556224-25-000004 · wk-form4_1762981270.xml · derivative · entry 2

Coleman Richard Kenneth Jr. · CIK 0001556224 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,989

Underlying: Common Stock · 1,495 shares

Expires not disclosed

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.

F1 · derivative.exercise_price: Each Restricted Stock Unit represents the right to receive, at settlement, one share of common stock.

F2 · derivative.exercise_price: This transaction represents the settlement of Restricted Stock Units in shares of common stock on their scheduled vesting date.

F1 · price: Each Restricted Stock Unit represents the right to receive, at settlement, one share of common stock.

F3 · derivative.exercise_date: On November 8, 2024, the Reporting Person was granted 4,484 Restricted Stock Units, as to this grant, one-third of the Restricted Stock Units vested on November 8, 2025, and one-third of the Restricted Stock Units are scheduled to vest on November 8, 2026 and on November 8, 2027, subject to the Reporting Person continuing to provide service through such date.

F3 · derivative.expiration_date: On November 8, 2024, the Reporting Person was granted 4,484 Restricted Stock Units, as to this grant, one-third of the Restricted Stock Units vested on November 8, 2025, and one-third of the Restricted Stock Units are scheduled to vest on November 8, 2026 and on November 8, 2027, subject to the Reporting Person continuing to provide service through such date.

SEC source: 0001556224-25-000004 · wk-form4_1762981270.xml · nonDerivative · entry 1

Coleman Richard Kenneth Jr. · CIK 0001556224 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,481

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.

F1 · price: Each Restricted Stock Unit represents the right to receive, at settlement, one share of common stock.

F2 · price: This transaction represents the settlement of Restricted Stock Units in shares of common stock on their scheduled vesting date.

SEC source: 0001607210-25-000005 · wk-form4_1762981241.xml · derivative · entry 3

Bible Hannah M. · CIK 0001607210 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 987

Underlying: Common Stock · 493 shares

Expires not disclosed

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.

F1 · derivative.exercise_price: Each Restricted Stock Unit represents the right to receive, at settlement, one share of common stock.

F2 · derivative.exercise_price: This transaction represents the settlement of Restricted Stock Units in shares of common stock on their scheduled vesting date.

F1 · price: Each Restricted Stock Unit represents the right to receive, at settlement, one share of common stock.

F4 · derivative.exercise_date: On November 8, 2024, the Reporting Person was granted 1,480 Restricted Stock Units, as to this grant, one-third of the Restricted Stock Units vested on November 8, 2025, and one-third of the Restricted Stock Units are scheduled to vest on November 8, 2026 and on November 8, 2027, subject to the Reporting Person continuing to provide service through such date.

F4 · derivative.expiration_date: On November 8, 2024, the Reporting Person was granted 1,480 Restricted Stock Units, as to this grant, one-third of the Restricted Stock Units vested on November 8, 2025, and one-third of the Restricted Stock Units are scheduled to vest on November 8, 2026 and on November 8, 2027, subject to the Reporting Person continuing to provide service through such date.

SEC source: 0001607210-25-000005 · wk-form4_1762981241.xml · nonDerivative · entry 2

Bible Hannah M. · CIK 0001607210 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,023

F3 · shares: Shares withheld by Issuer to satisfy the minimum statutory tax withholding requirements on vesting of Restricted Stock Units. No shares were sold.

SEC source: 0001607210-25-000005 · wk-form4_1762981241.xml · nonDerivative · entry 1

Bible Hannah M. · CIK 0001607210 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,179

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.

F1 · price: Each Restricted Stock Unit represents the right to receive, at settlement, one share of common stock.

F2 · price: This transaction represents the settlement of Restricted Stock Units in shares of common stock on their scheduled vesting date.

SEC source: 0001548312-25-000024 · wk-form4_1759354547.xml · nonDerivative · entry 3

Eberwein Jeffrey E. · CIK 0001548312 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,131,072

F1 · price: The reported transaction represents the Reporting Person's charitable gift to a donor advised fund.

SEC source: 0001548312-25-000024 · wk-form4_1759354547.xml · nonDerivative · entry 2

Eberwein Jeffrey E. · CIK 0001548312 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 681,747

SEC source: 0001548312-25-000024 · wk-form4_1759354547.xml · nonDerivative · entry 1

Eberwein Jeffrey E. · CIK 0001548312 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 679,147

SEC source: 0001548312-25-000022 · wk-form4_1758833194.xml · nonDerivative · entry 1

Eberwein Jeffrey E. · CIK 0001548312 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 674,147

SEC source: 0001548312-25-000020 · wk-form4_1758589484.xml · nonDerivative · entry 6

Eberwein Jeffrey E. · CIK 0001548312 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Contributory IRA

Disclosed balance after: 190

SEC source: 0001548312-25-000020 · wk-form4_1758589484.xml · nonDerivative · entry 5

Eberwein Jeffrey E. · CIK 0001548312 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Contributory 401k

Disclosed balance after: 500

SEC source: 0001548312-25-000020 · wk-form4_1758589484.xml · nonDerivative · entry 4

Eberwein Jeffrey E. · CIK 0001548312 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Contributory SEP IRA

Disclosed balance after: 1,000

SEC source: 0001548312-25-000020 · wk-form4_1758589484.xml · nonDerivative · entry 3

Eberwein Jeffrey E. · CIK 0001548312 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 665,547

SEC source: 0001548312-25-000020 · wk-form4_1758589484.xml · nonDerivative · entry 2

Eberwein Jeffrey E. · CIK 0001548312 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 660,547

SEC source: 0001548312-25-000020 · wk-form4_1758589484.xml · nonDerivative · entry 1

Eberwein Jeffrey E. · CIK 0001548312 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 652,440

SEC source: 0001548312-25-000007 · wk-form4_1758146980.xml · nonDerivative · entry 7

Eberwein Jeffrey E. · CIK 0001548312 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,151,072

F2 · security: Star Equity Holdings, Inc. 10% Series A Cumulative Perpetual Preferred Stock, which is not convertible or exchangeable into Star Equity Holdings, Inc. Common Stock.

SEC source: 0001548312-25-000007 · wk-form4_1758146980.xml · nonDerivative · entry 4

Eberwein Jeffrey E. · CIK 0001548312 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 651,595

SEC source: 0001548312-25-000007 · wk-form4_1758146980.xml · nonDerivative · entry 6

Eberwein Jeffrey E. · CIK 0001548312 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,161,153

F2 · security: Star Equity Holdings, Inc. 10% Series A Cumulative Perpetual Preferred Stock, which is not convertible or exchangeable into Star Equity Holdings, Inc. Common Stock.

SEC source: 0001548312-25-000007 · wk-form4_1758146980.xml · nonDerivative · entry 3

Eberwein Jeffrey E. · CIK 0001548312 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 639,595

SEC source: 0002029470-25-000009 · wk-form4_1758237235.xml · nonDerivative · entry 1

Fruhbeis Todd Michael · CIK 0002029470 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,872

F1 · balance_after: Includes 7,012 Restricted Stock Units credited to the Reporting Person's account under the Issuer's 2009 Incentive Stock and Awards Plan, as amended and restated. Each Restricted Stock Unit represents the right to receive, at settlement, one share of Common Stock payable upon the first anniversary of the Grant Date.

SEC source: 0002029214-25-000008 · wk-form4_1758143082.xml · nonDerivative · entry 1

Parks Louis A. · CIK 0002029214 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Contributory IRA

Disclosed balance after: 1,500