III

SEC source: 0001415889-25-015688 · form4-06042025_080603.xml · derivative · entry 3

CONNORS MICHAEL P · CIK 0001249201 · Director · CHAIRMAN & CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 372,670

Underlying: Common Stock · 372,670 shares

Expires 2028-06-02

F3 · derivative.exercise_price: Represents a grant of RSUs that may be earned based on achievement of certain market price goals, which will be measured at the average closing price of the issuer's common stock over the forty-five-trading-day period prior to and including the third anniversary of the date of grant. 50% of the number of RSUs reported above will be earned if the measured market price is $5.00, 75% of the RSUs will be earned if the measured market price is $6.00 and 100% of the RSUs will be earned if the measured market price is $7.00 or above, with interpolation of the number of earned RSUs between these share price points. In addition, if the measured market price meets or exceeds $7.00 at any time before and including the third anniversary of the award, 100% of the RSUs will be earned. Unearned RSUs will be canceled. Market price goals are subject to adjustment for stock splits and certain other corporate events. Once determined, any such earned RSUs will be fully vested.

F3 · derivative.exercise_date: Represents a grant of RSUs that may be earned based on achievement of certain market price goals, which will be measured at the average closing price of the issuer's common stock over the forty-five-trading-day period prior to and including the third anniversary of the date of grant. 50% of the number of RSUs reported above will be earned if the measured market price is $5.00, 75% of the RSUs will be earned if the measured market price is $6.00 and 100% of the RSUs will be earned if the measured market price is $7.00 or above, with interpolation of the number of earned RSUs between these share price points. In addition, if the measured market price meets or exceeds $7.00 at any time before and including the third anniversary of the award, 100% of the RSUs will be earned. Unearned RSUs will be canceled. Market price goals are subject to adjustment for stock splits and certain other corporate events. Once determined, any such earned RSUs will be fully vested.

SEC source: 0001415889-25-015688 · form4-06042025_080603.xml · nonDerivative · entry 2

CONNORS MICHAEL P · CIK 0001249201 · Director · CHAIRMAN & CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,533,732

F2 · kind: Represents restricted stock units (RSUs) granted to the reporting person pursuant to the Information Services Group, Inc. Amended and Restated 2007 Equity and Incentive Award Plan, which will vest in 4 equal installments on each of the first, second, third and fourth anniversaries of June 2, 2025.

SEC source: 0001415889-25-015690 · form4-06042025_080607.xml · derivative · entry 3

Kucinski Thomas S. · CIK 0001708533 · EVP, CHIEF HR

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,764

Underlying: Common Stock · 7,764 shares

Expires 2029-06-02

F4 · derivative.exercise_price: Represents a grant of RSUs that may be earned based on the achievement of market price goals, which will be measured as the average closing price of issuer's common stock over any ten consecutive trading day period beginning with the first anniversary of the award. 100% of the number of RSUs will be earned if the measured market price is $5.00 or above. If this measured market price is not achieved by the fourth anniversary of the award, these RSUs will be forfeited. Market price goals are subject to adjustment for stock splits and certain other corporate events. Once determined, any such earned RSUs will be fully vested.

F4 · derivative.exercise_date: Represents a grant of RSUs that may be earned based on the achievement of market price goals, which will be measured as the average closing price of issuer's common stock over any ten consecutive trading day period beginning with the first anniversary of the award. 100% of the number of RSUs will be earned if the measured market price is $5.00 or above. If this measured market price is not achieved by the fourth anniversary of the award, these RSUs will be forfeited. Market price goals are subject to adjustment for stock splits and certain other corporate events. Once determined, any such earned RSUs will be fully vested.

SEC source: 0001415889-25-015690 · form4-06042025_080607.xml · nonDerivative · entry 2

Kucinski Thomas S. · CIK 0001708533 · EVP, CHIEF HR

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 318,905

F2 · kind: Represents restricted stock units (RSUs) granted to the reporting person pursuant to the Information Services Group, Inc. Amended and Restated 2007 Equity and Incentive Award Plan, which will vest in 4 equal installments on each of the first, second, third and fourth anniversaries of June 2, 2025.

F3 · balance_after: Includes 248 shares acquired under the Information Services Group, Inc. Amended and Restated 2007 Employee Stock Purchase Plan.

SEC source: 0001415889-25-015689 · form4-06042025_080605.xml · derivative · entry 3

Lavieri Todd D. · CIK 0001760914 · VICE CHAIRMAN

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,880

Underlying: Common Stock · 25,880 shares

Expires 2029-06-02

F4 · derivative.exercise_price: Represents a grant of RSUs that may be earned based on the achievement of market price goals, which will be measured as the average closing price of issuer's common stock over any ten consecutive trading day period beginning with the first anniversary of the award. 100% of the number of RSUs will be earned if the measured market price is $5.00 or above. If this measured market price is not achieved by the fourth anniversary of the award, these RSUs will be forfeited. Market price goals are subject to adjustment for stock splits and certain other corporate events. Once determined, any such earned RSUs will be fully vested.

F4 · derivative.exercise_date: Represents a grant of RSUs that may be earned based on the achievement of market price goals, which will be measured as the average closing price of issuer's common stock over any ten consecutive trading day period beginning with the first anniversary of the award. 100% of the number of RSUs will be earned if the measured market price is $5.00 or above. If this measured market price is not achieved by the fourth anniversary of the award, these RSUs will be forfeited. Market price goals are subject to adjustment for stock splits and certain other corporate events. Once determined, any such earned RSUs will be fully vested.

SEC source: 0001415889-25-015689 · form4-06042025_080605.xml · nonDerivative · entry 2

Lavieri Todd D. · CIK 0001760914 · VICE CHAIRMAN

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,101,750

F2 · kind: Represents restricted stock units (RSUs) granted to the reporting person pursuant to the Information Services Group, Inc. Amended and Restated 2007 Equity and Incentive Award Plan, which will vest in 4 equal installments on each of the first, second, third and fourth anniversaries of June 2, 2025.

F3 · balance_after: Includes 966 shares acquired under the Information Services Group, Inc. Amended and Restated 2007 Employee Stock Purchase Plan.

SEC source: 0001415889-25-015687 · form4-06042025_080601.xml · derivative · entry 3

Sherrick Michael A. · CIK 0001989706 · EVP & CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,116

Underlying: Common Stock · 18,116 shares

Expires 2029-06-02

F3 · derivative.exercise_price: Represents a grant of RSUs that may be earned based on the achievement of market price goals, which will be measured as the average closing price of issuer's common stock over any ten consecutive trading day period beginning with the first anniversary of the award. 100% of the number of RSUs will be earned if the measured market price is $5.00 or above. If this measured market price is not achieved by the fourth anniversary of the award, these RSUs will be forfeited. Market price goals are subject to adjustment for stock splits and certain other corporate events. Once determined, any such earned RSUs will be fully vested.

F3 · derivative.exercise_date: Represents a grant of RSUs that may be earned based on the achievement of market price goals, which will be measured as the average closing price of issuer's common stock over any ten consecutive trading day period beginning with the first anniversary of the award. 100% of the number of RSUs will be earned if the measured market price is $5.00 or above. If this measured market price is not achieved by the fourth anniversary of the award, these RSUs will be forfeited. Market price goals are subject to adjustment for stock splits and certain other corporate events. Once determined, any such earned RSUs will be fully vested.

SEC source: 0001415889-25-015687 · form4-06042025_080601.xml · nonDerivative · entry 2

Sherrick Michael A. · CIK 0001989706 · EVP & CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 384,310

F2 · kind: Represents restricted stock units (RSUs) granted to the reporting person pursuant to the Information Services Group, Inc. Amended and Restated 2007 Equity and Incentive Award Plan, which will vest in 4 equal installments on each of the first, second, third and fourth anniversaries of June 2, 2025.

SEC source: 0001415889-25-015688 · form4-06042025_080603.xml · nonDerivative · entry 1

CONNORS MICHAEL P · CIK 0001249201 · Director · CHAIRMAN & CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,430,212

F1 · kind: Represents deemed disposition of shares of common stock to the Issuer as a result of withholding of shares of common stock to satisfy tax withholding obligations in connection with vesting of RSUs issued in accordance with Rule 16b-3.

SEC source: 0001415889-25-015690 · form4-06042025_080607.xml · nonDerivative · entry 1

Kucinski Thomas S. · CIK 0001708533 · EVP, CHIEF HR

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 295,365

F1 · kind: Represents deemed disposition of shares of common stock to the Issuer as a result of withholding of shares of common stock to satisfy tax withholding obligations in connection with vesting of RSUs issued in accordance with Rule 16b-3.

SEC source: 0001415889-25-015689 · form4-06042025_080605.xml · nonDerivative · entry 1

Lavieri Todd D. · CIK 0001760914 · VICE CHAIRMAN

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,023,144

F1 · kind: Represents deemed disposition of shares of common stock to the Issuer as a result of withholding of shares of common stock to satisfy tax withholding obligations in connection with vesting of RSUs issued in accordance with Rule 16b-3.

SEC source: 0001415889-25-015687 · form4-06042025_080601.xml · nonDerivative · entry 1

Sherrick Michael A. · CIK 0001989706 · EVP & CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 329,962

F1 · kind: Represents deemed disposition of shares of common stock to the Issuer as a result of withholding of shares of common stock to satisfy tax withholding obligations in connection with vesting of RSUs issued in accordance with Rule 16b-3.

SEC source: 0001415889-25-014923 · form4-05292025_100504.xml · derivative · entry 3

CONNORS MICHAEL P · CIK 0001249201 · Director · CHAIRMAN & CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 107,692 shares

Expires 2025-05-27

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: On January 2, 2025, the Reporting Person was granted performance-based restricted stock units (RSUs), which were subject to vest if, prior to December 31, 2027, the average of the closing price of the Issuer's common stock over any 45-consecutive trading day period was at least 20% higher than $3.34 (i.e., at least $4.01). This performance condition was met on May 27, 2025 and 100% of the performance-based RSUs vested.

F2 · shares: On January 2, 2025, the Reporting Person was granted performance-based restricted stock units (RSUs), which were subject to vest if, prior to December 31, 2027, the average of the closing price of the Issuer's common stock over any 45-consecutive trading day period was at least 20% higher than $3.34 (i.e., at least $4.01). This performance condition was met on May 27, 2025 and 100% of the performance-based RSUs vested.

SEC source: 0001415889-25-014923 · form4-05292025_100504.xml · nonDerivative · entry 2

CONNORS MICHAEL P · CIK 0001249201 · Director · CHAIRMAN & CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,488,740

F1 · kind: Represents deemed disposition of shares of common stock to the Issuer as a result of withholding of shares of common stock to satisfy tax withholding obligations in connection with vesting of restricted stock units issued in accordance with Rule 16b-3.

SEC source: 0001415889-25-014923 · form4-05292025_100504.xml · nonDerivative · entry 1

CONNORS MICHAEL P · CIK 0001249201 · Director · CHAIRMAN & CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,541,876

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.

SEC source: 0001415889-25-008413 · form4-03182025_080332.xml · nonDerivative · entry 2

CONNORS MICHAEL P · CIK 0001249201 · Director · CHAIRMAN & CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 5,434,184

F2 · kind: Represents restricted stock units (RSUs) granted to the reporting pursuant to the Information Services Group, Inc. Amended and Restated 2007 Equity and Incentive Award Plan, which will vest 100% on March 17, 2026.

SEC source: 0001415889-25-008424 · form4-03182025_080320.xml · nonDerivative · entry 2

Lavieri Todd D. · CIK 0001760914 · VICE CHAIRMAN

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,057,158

F2 · kind: Represents restricted stock units (RSUs) granted to the reporting person pursuant to the Information Services Group, Inc. Amended and Restated 2007 Equity and Incentive Award Plan, which will vest 100% on March 17, 2026.

F3 · balance_after: Includes 2,045 shares acquired under the Information Services Group, Inc. Amended and Restated 2007 Employee Stock Purchase Plan.

SEC source: 0001415889-25-008419 · form4-03182025_080340.xml · nonDerivative · entry 2

Kucinski Thomas S. · CIK 0001708533 · EVP, CHIEF HR

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 306,926

F2 · kind: Represents restricted stock units (RSUs) granted to the reporting pursuant to the Information Services Group, Inc. Amended and Restated 2007 Equity and Incentive Award Plan, which will vest 100% on March 17, 2026.

F3 · balance_after: Includes 527 shares acquired under the Information Services Group, Inc. Amended and Restated 2007 Employee Stock Purchase Plan.

SEC source: 0001415889-25-008410 · form4-03182025_080313.xml · nonDerivative · entry 1

Sherrick Michael A. · CIK 0001989706 · EVP & CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 342,325

F1 · kind: Represents restricted stock units (RSUs) granted to the reporting person pursuant to the Information Services Group, Inc. Amended and Restated 2007 Equity and Incentive Award Plan, which will vest 100% on the first anniversary of March 17, 2026.

SEC source: 0001104659-25-039488 · tm259741-2_4seq1.xml · nonDerivative · entry 1

MOLINARO SAMUEL L JR · CIK 0001180153 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,714

F1 · kind: Grant of restricted stock units which vest in 3 equal installments on each of the first, second and third anniversaries of March 17, 2025 (or earlier in the event of a change of control of ISG or such director's death or disability).

SEC source: 0001415889-25-008413 · form4-03182025_080332.xml · nonDerivative · entry 1

CONNORS MICHAEL P · CIK 0001249201 · Director · CHAIRMAN & CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 5,319,898

F1 · kind: Represents deemed disposition of shares of common stock to the Issuer as a result of withholding of shares of common stock to satisfy tax withholding obligations in connection with vesting of RSUs issued in accordance with Rule 16b-3.

SEC source: 0001415889-25-008424 · form4-03182025_080320.xml · nonDerivative · entry 1

Lavieri Todd D. · CIK 0001760914 · VICE CHAIRMAN

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,030,494

F1 · kind: Represents deemed disposition of shares of common stock to the Issuer as a result of withholding of shares of common stock to satisfy tax withholding obligations in connection with vesting of restricted stock units issued in accordance with Rule 16b-3.

SEC source: 0001415889-25-008419 · form4-03182025_080340.xml · nonDerivative · entry 1

Kucinski Thomas S. · CIK 0001708533 · EVP, CHIEF HR

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 287,828

F1 · kind: Represents deemed disposition of shares of common stock to the Issuer as a result of withholding of shares of common stock to satisfy tax withholding obligations in connection with vesting of RSUs issued in accordance with Rule 16b-3.

SEC source: 0001415889-25-008408 · form4-03182025_080341.xml · nonDerivative · entry 1

BUDNICK NEIL G · CIK 0001237567 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 334,194

F1 · kind: Represents a sale of shares of common stock to satisfy tax obligations in connection with vesting of restricted stock units and deferred receipt of the related shares of common stock.

SEC source: 0001415889-25-000583 · form4-01032025_100135.xml · derivative · entry 1

CONNORS MICHAEL P · CIK 0001249201 · Director · CHAIRMAN & CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 107,692

Underlying: Common Stock · 107,692 shares

Expires 2027-12-31

F1 · derivative.exercise_price: Represents a grant of $350,000 face value of performance based restricted stock units (based on the closing sales price of the Issuer's common stock on January 2, 2025 of $3.25) that will vest if, prior to December 31, 2027, the average of the closing sales price of the Issuer's common stock over any 45-day period is at least 20% higher than $3.34, which was the closing sales price of the Issuer's common stock on December 31, 2024.

F1 · derivative.exercise_date: Represents a grant of $350,000 face value of performance based restricted stock units (based on the closing sales price of the Issuer's common stock on January 2, 2025 of $3.25) that will vest if, prior to December 31, 2027, the average of the closing sales price of the Issuer's common stock over any 45-day period is at least 20% higher than $3.34, which was the closing sales price of the Issuer's common stock on December 31, 2024.

SEC source: 0001415889-24-029283 · form4-12132024_041201.xml · nonDerivative · entry 1

BUDNICK NEIL G · CIK 0001237567 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 347,634

F1 · kind: Represents a sale of shares of common stock to satisfy tax obligations in connection with vesting of restricted stock units and deferred receipt of the related shares of common stock.

SEC source: 0001415889-24-029285 · form4-12132024_041205.xml · nonDerivative · entry 1

RAINA KALPANA · CIK 0001229271 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 379,489

F1 · kind: Represents a sale of shares of common stock to satisfy tax obligations in connection with vesting of restricted stock units and deferred receipt of the related shares of common stock.

SEC source: 0001415889-24-029284 · form4-12132024_041203.xml · nonDerivative · entry 1

Pfau Bruce · CIK 0001781412 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 181,419

F1 · kind: Represents a sale of shares of common stock to satisfy tax obligations in connection with vesting of restricted stock units and deferred receipt of the related shares of common stock.

SEC source: 0001415889-24-028869 · form4-12102024_101246.xml · nonDerivative · entry 1

HOBBS GERALD S · CIK 0001262377 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 583,374

F1 · kind: Grant of restricted stock units which vest in 3 equal installments on each of the first, second and third anniversaries of December 10, 2024 (or earlier in the event of a change of control of ISG or such director's death or disability).

SEC source: 0001415889-24-028877 · form4-12102024_101220.xml · nonDerivative · entry 3

BUDNICK NEIL G · CIK 0001237567 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 349,780

F2 · kind: Grant of restricted stock units which vest in 3 equal installments on each of the first, second and third anniversaries of December 10, 2024 (or earlier in the event of a change of control of ISG or such director's death or disability).

SEC source: 0001415889-24-028873 · form4-12102024_101251.xml · nonDerivative · entry 3

RAINA KALPANA · CIK 0001229271 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 383,392

F2 · kind: Grant of restricted stock units which vest in 3 equal installments on each of the first, second and third anniversaries of December 10, 2024 (or earlier in the event of a change of control of ISG or such director's death or disability).

SEC source: 0001415889-24-028871 · form4-12102024_101241.xml · nonDerivative · entry 2

Putur Christine · CIK 0001603246 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 315,871

F2 · kind: Represents a sale of shares of common stock to satisfy tax obligations in connection with vesting of restricted stock units and deferred receipt of the related shares of common stock.

SEC source: 0001415889-24-028871 · form4-12102024_101241.xml · nonDerivative · entry 1

Putur Christine · CIK 0001603246 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 334,039

F1 · kind: Grant of restricted stock units which vest in 3 equal installments on each of the first, second and third anniversaries of December 10, 2024 (or earlier in the event of a change of control of ISG or such director's death or disability).

SEC source: 0001415889-24-028875 · form4-12102024_101211.xml · nonDerivative · entry 3

Pfau Bruce · CIK 0001781412 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 184,834

F2 · kind: Grant of restricted stock units which vest in 3 equal installments on each of the first, second and third anniversaries of December 10, 2024 (or earlier in the event of a change of control of ISG or such director's death or disability).

SEC source: 0001415889-24-028877 · form4-12102024_101220.xml · nonDerivative · entry 2

BUDNICK NEIL G · CIK 0001237567 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 316,178

F1 · kind: Represents a sale of shares of common stock to satisfy tax obligations in connection with vesting of restricted stock units and deferred receipt of the related shares of common stock.

SEC source: 0001415889-24-028873 · form4-12102024_101251.xml · nonDerivative · entry 2

RAINA KALPANA · CIK 0001229271 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 349,790

F1 · kind: Represents a sale of shares of common stock to satisfy tax obligations in connection with vesting of restricted stock units and deferred receipt of the related shares of common stock.

SEC source: 0001415889-24-028875 · form4-12102024_101211.xml · nonDerivative · entry 2

Pfau Bruce · CIK 0001781412 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 151,232

F1 · kind: Represents a sale of shares of common stock to satisfy tax obligations in connection with vesting of restricted stock units and deferred receipt of the related shares of common stock.

SEC source: 0001415889-24-028877 · form4-12102024_101220.xml · nonDerivative · entry 1

BUDNICK NEIL G · CIK 0001237567 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 317,322

F1 · kind: Represents a sale of shares of common stock to satisfy tax obligations in connection with vesting of restricted stock units and deferred receipt of the related shares of common stock.

SEC source: 0001415889-24-028873 · form4-12102024_101251.xml · nonDerivative · entry 1

RAINA KALPANA · CIK 0001229271 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 351,870

F1 · kind: Represents a sale of shares of common stock to satisfy tax obligations in connection with vesting of restricted stock units and deferred receipt of the related shares of common stock.

SEC source: 0001415889-24-028875 · form4-12102024_101211.xml · nonDerivative · entry 1

Pfau Bruce · CIK 0001781412 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 153,052

F1 · kind: Represents a sale of shares of common stock to satisfy tax obligations in connection with vesting of restricted stock units and deferred receipt of the related shares of common stock.

SEC source: 0001415889-24-027512 · form4-11222024_041101.xml · nonDerivative · entry 1

Pfau Bruce · CIK 0001781412 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 155,840

F1 · kind: Represents a sale of shares of common stock to satisfy tax obligations.

SEC source: 0001415889-24-027340 · form4-11202024_041103.xml · nonDerivative · entry 2

RAINA KALPANA · CIK 0001229271 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 355,056

F1 · kind: Represents a sale of shares of common stock to satisfy tax obligations.

SEC source: 0001415889-24-027340 · form4-11202024_041103.xml · nonDerivative · entry 1

RAINA KALPANA · CIK 0001229271 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 359,338

F1 · kind: Represents a sale of shares of common stock to satisfy tax obligations.

SEC source: 0001415889-24-026986 · form4-11152024_111138.xml · nonDerivative · entry 3

RAINA KALPANA · CIK 0001229271 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 374,413

F1 · kind: Represents a sale of shares of common stock to satisfy tax obligations.

SEC source: 0001415889-24-026986 · form4-11152024_111138.xml · nonDerivative · entry 2

RAINA KALPANA · CIK 0001229271 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 377,782

F1 · kind: Represents a sale of shares of common stock to satisfy tax obligations.

SEC source: 0001415889-24-026986 · form4-11152024_111138.xml · nonDerivative · entry 1

RAINA KALPANA · CIK 0001229271 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 396,261

F1 · kind: Represents a sale of shares of common stock to satisfy tax obligations.

SEC source: 0001415889-24-022771 · form4-09042024_080929.xml · nonDerivative · entry 1

CONNORS MICHAEL P · CIK 0001249201 · Director · CHAIRMAN & CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,442,081

F1 · kind: Represents deemed disposition of shares of common stock to the Issuer as a result of withholding of shares of common stock to satisfy tax withholding obligations in connection with vesting of RSUs issued in accordance with Rule 16b-3.

SEC source: 0001415889-24-022786 · form4-09042024_080934.xml · nonDerivative · entry 1

Lavieri Todd D. · CIK 0001760914 · VICE CHAIRMAN

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,062,487

F1 · kind: Represents deemed disposition of shares of common stock to the Issuer as a result of withholding of shares of common stock to satisfy tax withholding obligations in connection with vesting of RSUs issued in accordance with Rule 16b-3.

F2 · balance_after: Includes 1,026 shares acquired under the Information Services Group, Inc. Amended and Restated 2007 Employee Stock Purchase Plan.

SEC source: 0001415889-24-022779 · form4-09042024_080923.xml · nonDerivative · entry 1

Kucinski Thomas S. · CIK 0001708533 · EVP, CHIEF HR

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 296,621

F1 · kind: Represents deemed disposition of shares of common stock to the Issuer as a result of withholding of shares of common stock to satisfy tax withholding obligations in connection with vesting of RSUs issued in accordance with Rule 16b-3.

F2 · balance_after: Includes 264 shares acquired under the Information Services Group, Inc. Amended and Restated 2007 Employee Stock Purchase Plan.

SEC source: 0001415889-24-022773 · form4-09042024_080944.xml · nonDerivative · entry 1

Sherrick Michael A. · CIK 0001989706 · EVP & CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 298,039

F1 · kind: Represents deemed disposition of shares of common stock to the Issuer as a result of withholding of shares of common stock to satisfy tax withholding obligations in connection with vesting of RSUs issued in accordance with Rule 16b-3.