III

SEC source: 0001104659-19-072285 · a4.xml · nonDerivative · entry 1

Pfau Bruce · CIK 0001781412 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 79,313

F1 · security: Grant of restricted stock units which vest in 3 equal installments on each of the first, second and third anniversaries of December 10, 2019 (or earlier in the event of a change of control of ISG or such director's death or disability).

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, 2019 (or earlier in the event of a change of control of ISG or such director's death or disability).

F1 · price: Grant of restricted stock units which vest in 3 equal installments on each of the first, second and third anniversaries of December 10, 2019 (or earlier in the event of a change of control of ISG or such director's death or disability).

SEC source: 0001104659-19-044903 · a4.xml · nonDerivative · entry 1

Berger David E. · CIK 0001473353 · EVP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 775,328

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

F2 · price: Price reflected is the weighted-average selling price for shares sold. The range of the selling prices for the transactions reported was $2.25 to $2.28 per share. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased at each separate price.

SEC source: 0001104659-19-044905 · a4.xml · nonDerivative · entry 1

CONNORS MICHAEL P · CIK 0001249201 · Director · Chairman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,088,017

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

F2 · price: Price reflected is the weighted-average selling price for shares sold. The range of the selling prices for the transactions reported was $2.25 to $2.28 per share. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased at each separate price.

SEC source: 0001104659-19-044906 · a4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 196,817

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

F2 · price: Price reflected is the weighted-average selling price for shares sold. The range of the selling prices for the transactions reported was $2.25 to $2.28 per share. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased at each separate price.

SEC source: 0001104659-19-044054 · a4.xml · nonDerivative · entry 2

Berger David E. · CIK 0001473353 · EVP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 781,589

F3 · kind: Represents a sale of shares of common stock to satisfy tax obligations in connection with vesting of restricted stock units.

F4 · price: Price reflected is the weighted-average selling price for shares sold. The range of the selling prices for the transactions reported was $2.60 to $2.71 per share. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased at each separate price.

SEC source: 0001104659-19-044053 · a4.xml · nonDerivative · entry 2

CONNORS MICHAEL P · CIK 0001249201 · Director · Chairman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,101,873

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

F3 · price: Price reflected is the weighted-average selling price for shares sold. The range of the selling prices for the transactions reported was $2.60 to $2.71 per share. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased at each separate price.

SEC source: 0001104659-19-044056 · a4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 198,889

F3 · kind: Represents a sale of shares of common stock to satisfy tax obligations in connection with vesting of restricted stock units.

F4 · price: Price reflected is the weighted-average selling price for shares sold. The range of the selling prices for the transactions reported was $2.60 to $2.71 per share. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased at each separate price.

SEC source: 0001104659-19-044054 · a4.xml · derivative · entry 3

Berger David E. · CIK 0001473353 · EVP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,830

Underlying: Common Stock · 25,830 shares

Expires 2023-08-01

F5 · derivative.exercise_price: Represents a grant of RSUs that may be earned based on achievement of market price goals, which will be measured as the average closing price of the Issuer's common stock over any consecutive ten-trading-day period prior to and including the fourth anniversary of the date of grant. 100% of the number of RSUs reported above will be earned if the measured market price is $6 or above. 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.

F5 · shares: Represents a grant of RSUs that may be earned based on achievement of market price goals, which will be measured as the average closing price of the Issuer's common stock over any consecutive ten-trading-day period prior to and including the fourth anniversary of the date of grant. 100% of the number of RSUs reported above will be earned if the measured market price is $6 or above. 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: 0001104659-19-044054 · a4.xml · nonDerivative · entry 1

Berger David E. · CIK 0001473353 · EVP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 786,445

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 in 4 equal installments on each of the first, second, third and fourth anniversaries of August 1, 2019.

F2 · balance_after: Includes 507 shares acquired under the Information Services Group, Inc. Amended and Restated 2007 Employee Stock Purchase Plan.

SEC source: 0001104659-19-044053 · a4.xml · derivative · entry 3

CONNORS MICHAEL P · CIK 0001249201 · Director · Chairman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 295,202

Underlying: Common Stock · 295,202 shares

Expires 2022-08-01

F4 · derivative.exercise_price: Represents a grant of RSUs that may be earned based on achievement of market price goals, which will be measured as the average closing price of the Issuer's common stock over the ten-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 $6 and 100% of the RSUs will be earned if the measured market price is $8 or above, with straight-line interpolation of the number of earned RSUs if the measured market price is between $6 and $8. 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.

F4 · shares: Represents a grant of RSUs that may be earned based on achievement of market price goals, which will be measured as the average closing price of the Issuer's common stock over the ten-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 $6 and 100% of the RSUs will be earned if the measured market price is $8 or above, with straight-line interpolation of the number of earned RSUs if the measured market price is between $6 and $8. 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: 0001104659-19-044053 · a4.xml · nonDerivative · entry 1

CONNORS MICHAEL P · CIK 0001249201 · Director · Chairman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,112,623

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 in 4 equal installments on each of the first, second, third and fourth anniversaries of August 1, 2019.

SEC source: 0001104659-19-044057 · a4.xml · derivative · entry 2

Lavieri Todd D. · CIK 0001760914 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,594

Underlying: Common Stock · 34,594 shares

Expires 2023-08-01

F3 · derivative.exercise_price: Represents a grant of RSUs that may be earned based on achievement of market price goals, which will be measured as the average closing price of the Issuer's common stock over any consecutive ten-trading-day period prior to and including the fourth anniversary of the date of grant. 100% of the number of RSUs reported above will be earned if the measured market price is $6 or above. 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 · shares: Represents a grant of RSUs that may be earned based on achievement of market price goals, which will be measured as the average closing price of the Issuer's common stock over any consecutive ten-trading-day period prior to and including the fourth anniversary of the date of grant. 100% of the number of RSUs reported above will be earned if the measured market price is $6 or above. 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: 0001104659-19-044057 · a4.xml · nonDerivative · entry 1

Lavieri Todd D. · CIK 0001760914 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 666,974

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 in 4 equal installments on each of the first, second, third and fourth anniversaries of August 1, 2019.

F2 · balance_after: Includes 1,144 shares acquired under the Information Services Group, Inc. Amended and Restated 2007 Employee Stock Purchase Plan.

SEC source: 0001104659-19-044056 · a4.xml · derivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,225

Underlying: Common Stock · 9,225 shares

Expires 2023-08-01

F5 · derivative.exercise_price: Represents a grant of RSUs that may be earned based on achievement of market price goals, which will be measured as the average closing price of the Issuer's common stock over any consecutive ten-trading-day period prior to and including the fourth anniversary of the date of grant. 100% of the number of RSUs reported above will be earned if the measured market price is $6 or above. 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.

F5 · shares: Represents a grant of RSUs that may be earned based on achievement of market price goals, which will be measured as the average closing price of the Issuer's common stock over any consecutive ten-trading-day period prior to and including the fourth anniversary of the date of grant. 100% of the number of RSUs reported above will be earned if the measured market price is $6 or above. 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: 0001104659-19-044056 · a4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 200,496

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 in 4 equal installments on each of the first, second, third and fourth anniversaries of August 1, 2019.

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

SEC source: 0001104659-19-039073 · a4.xml · nonDerivative · entry 1

Pfau Bruce · CIK 0001781412 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,206

F1 · kind: Grant of restricted stock units which vest in 3 equal installments on each of the first, second and third anniversaries of July 1, 2019 (or earlier in the event of a change of control of ISG or such director's death or disability).

F1 · price: Grant of restricted stock units which vest in 3 equal installments on each of the first, second and third anniversaries of July 1, 2019 (or earlier in the event of a change of control of ISG or such director's death or disability).

SEC source: 0001104659-19-034605 · a4.xml · nonDerivative · entry 3

Lavieri Todd D. · CIK 0001760914 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 562,048

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

SEC source: 0001104659-19-034605 · a4.xml · nonDerivative · entry 2

Lavieri Todd D. · CIK 0001760914 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 574,858

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

SEC source: 0001104659-19-034605 · a4.xml · nonDerivative · entry 1

Lavieri Todd D. · CIK 0001760914 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 584,630

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

F2 · price: Price reflected is the weighted-average selling price for shares sold. The range of the selling prices for the transactions reported was $2.93 to $3.05 per share. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased at each separate price.

SEC source: 0001104659-19-033873 · a4.xml · nonDerivative · entry 2

Berger David E. · CIK 0001473353 · EVP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 708,447

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

F3 · price: Price reflected is the weighted-average selling price for shares sold. The range of the selling prices for the transactions reported was $3.02 to $3.09 per share. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased at each separate price.

F4 · balance_after: Includes 855 shares acquired under the Information Services Group, Inc. Amended and Restated 2007 Employee Stock Purchase Plan.

SEC source: 0001104659-19-033874 · a4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 172,557

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

SEC source: 0001104659-19-033873 · a4.xml · nonDerivative · entry 1

Berger David E. · CIK 0001473353 · EVP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 726,461

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: 0001104659-19-033872 · a4.xml · nonDerivative · entry 1

CONNORS MICHAEL P · CIK 0001249201 · Director · Chairman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,817,420

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: 0001104659-19-019696 · a4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 176,104

F3 · kind: Represents restricted stock units 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 April 1, 2020.

SEC source: 0001104659-19-019696 · a4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 158,341

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.

F2 · balance_after: Includes 224 shares acquired under the Information Services Group, Inc. Amended and Restated 2007 Employee Stock Purchase Plan.

SEC source: 0001104659-19-019695 · a4.xml · nonDerivative · entry 1

Lavieri Todd D. · CIK 0001760914 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 603,284

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.

F2 · balance_after: Includes 968 shares acquired under the Information Services Group, Inc. Amended and Restated 2007 Employee Stock Purchase Plan.

SEC source: 0001104659-19-016706 · a4.xml · nonDerivative · entry 2

Berger David E. · CIK 0001473353 · EVP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 736,029

F2 · price: Price reflected is the weighted-average purchase price for shares purchased. The range of purchase prices for the transactions reported was $3.69 to $3.70 per share. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased at each separate price.

SEC source: 0001104659-19-016705 · a4.xml · nonDerivative · entry 2

CONNORS MICHAEL P · CIK 0001249201 · Director · Chairman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,904,944

F1 · price: Price reflected is the weighted-average purchase price for shares purchased. The range of purchase prices for the transactions reported was $3.70 to $3.76 per share. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased at each separate price.

SEC source: 0001104659-19-016707 · a4.xml · nonDerivative · entry 2

Lavieri Todd D. · CIK 0001760914 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 638,290

F2 · price: Price reflected is the weighted-average purchase price for shares purchased. The range of purchase prices for the transactions reported was $3.72 to $3.77 per share. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased at each separate price.

SEC source: 0001104659-19-016706 · a4.xml · nonDerivative · entry 1

Berger David E. · CIK 0001473353 · EVP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 735,329

F1 · price: Price reflected is the weighted-average purchase price for shares purchased. The range of purchase prices for the transactions reported was $3.67 to $3.79 per share. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased at each separate price.

SEC source: 0001104659-19-016705 · a4.xml · nonDerivative · entry 1

CONNORS MICHAEL P · CIK 0001249201 · Director · Chairman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,884,944

SEC source: 0001104659-19-016707 · a4.xml · nonDerivative · entry 1

Lavieri Todd D. · CIK 0001760914 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 630,790

F1 · price: Price reflected is the weighted-average purchase price for shares purchased. The range of purchase prices for the transactions reported was $3.69 to $3.79 per share. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased at each separate price.

SEC source: 0001104659-19-016046 · a4.xml · nonDerivative · entry 2

Berger David E. · CIK 0001473353 · EVP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 733,979

F3 · kind: Represents restricted stock units 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 15, 2020.

SEC source: 0001104659-19-016046 · a4.xml · nonDerivative · entry 1

Berger David E. · CIK 0001473353 · EVP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 646,479

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.

F2 · balance_after: Includes 1,422 shares acquired under the Information Services Group, Inc. Amended and Restated 2007 Employee Stock Purchase Plan.

SEC source: 0001104659-19-016044 · a4.xml · nonDerivative · entry 2

CONNORS MICHAEL P · CIK 0001249201 · Director · Chairman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,864,944

F2 · kind: Represents restricted stock units 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 15, 2020.

SEC source: 0001104659-19-016044 · a4.xml · nonDerivative · entry 1

CONNORS MICHAEL P · CIK 0001249201 · Director · Chairman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,514,319

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: 0001104659-19-016048 · a4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 159,157

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: 0001104659-19-016047 · a4.xml · nonDerivative · entry 1

Lavieri Todd D. · CIK 0001760914 · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 624,790

F1 · kind: Represents restricted stock units 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 15, 2020.

F2 · balance_after: Includes 851 shares acquired under the Information Services Group, Inc. Amended and Restated 2007 Employee Stock Purchase Plan.

SEC source: 0001104659-19-005864 · a4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 165,933

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.

F2 · balance_after: Includes 370 shares acquired under the Information Services Group, Inc. Amended and Restated 2007 Employee Stock Purchase Plan.

SEC source: 0001104659-18-072884 · a4.xml · nonDerivative · entry 1

HOBBS GERALD S · CIK 0001262377 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 394,964

F1 · kind: Grant of restricted stock units which vest in 3 equal installments on each of the first, second and third anniversaries of December 11, 2018 (or earlier in the event of a change of control of ISG or such director's death or disability).

F1 · price: Grant of restricted stock units which vest in 3 equal installments on each of the first, second and third anniversaries of December 11, 2018 (or earlier in the event of a change of control of ISG or such director's death or disability).

SEC source: 0001104659-18-072882 · a4.xml · nonDerivative · entry 1

BUDNICK NEIL G · CIK 0001237567 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 300,520

F1 · kind: Grant of restricted stock units which vest in 3 equal installments on each of the first, second and third anniversaries of December 11, 2018 (or earlier in the event of a change of control of ISG or such director's death or disability).

F1 · price: Grant of restricted stock units which vest in 3 equal installments on each of the first, second and third anniversaries of December 11, 2018 (or earlier in the event of a change of control of ISG or such director's death or disability).

SEC source: 0001104659-18-072885 · a4.xml · nonDerivative · entry 1

RAINA KALPANA · CIK 0001229271 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 324,520

F1 · security: Grant of restricted stock units which vest in 3 equal installments on each of the first, second and third anniversaries of December 11, 2018 (or earlier in the event of a change of control of ISG or such director's death or disability).

F1 · kind: Grant of restricted stock units which vest in 3 equal installments on each of the first, second and third anniversaries of December 11, 2018 (or earlier in the event of a change of control of ISG or such director's death or disability).

F1 · price: Grant of restricted stock units which vest in 3 equal installments on each of the first, second and third anniversaries of December 11, 2018 (or earlier in the event of a change of control of ISG or such director's death or disability).

SEC source: 0001104659-18-072883 · a4.xml · nonDerivative · entry 1

WAITE DONALD C III · CIK 0001204026 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 394,964

F1 · kind: Grant of restricted stock units which vest in 3 equal installments on each of the first, second and third anniversaries of December 11, 2018 (or earlier in the event of a change of control of ISG or such director's death or disability).

F1 · price: Grant of restricted stock units which vest in 3 equal installments on each of the first, second and third anniversaries of December 11, 2018 (or earlier in the event of a change of control of ISG or such director's death or disability).

SEC source: 0001104659-18-072886 · a4.xml · nonDerivative · entry 1

Putur Christine · CIK 0001603246 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 187,187

F1 · kind: Grant of restricted stock units which vest in 3 equal installments on each of the first, second and third anniversaries of December 11, 2018 (or earlier in the event of a change of control of ISG or such director's death or disability).

F1 · price: Grant of restricted stock units which vest in 3 equal installments on each of the first, second and third anniversaries of December 11, 2018 (or earlier in the event of a change of control of ISG or such director's death or disability).

SEC source: 0001104659-18-049282 · a4.xml · nonDerivative · entry 1

Berger David E. · CIK 0001473353 · EVP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 682,029

F1 · kind: Represents restricted stock units 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 August 1, 2018.

SEC source: 0001104659-18-049280 · a4.xml · derivative · entry 2

CONNORS MICHAEL P · CIK 0001249201 · Director · Chairman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 122,850

Underlying: Common Stock · 122,850 shares

Expires 2021-08-01

F2 · derivative.exercise_price: Represents a grant of RSUs that may be earned based on achievement of market price goals, which will be measured at the average closing price of the Issuer's common stock over the ten-trading-day period prior to and including the second anniversary of the date of grant. 50% of the number of RSUs reported above will be earned if the measured market price is $6 and 100% of the RSUs will be earned if the measured market price is $8 or above, with straight-line interpolation of the number of earned RSUs if the measured market price is between $6 and $8. 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 subject to an additional one-year vesting term.

F2 · shares: Represents a grant of RSUs that may be earned based on achievement of market price goals, which will be measured at the average closing price of the Issuer's common stock over the ten-trading-day period prior to and including the second anniversary of the date of grant. 50% of the number of RSUs reported above will be earned if the measured market price is $6 and 100% of the RSUs will be earned if the measured market price is $8 or above, with straight-line interpolation of the number of earned RSUs if the measured market price is between $6 and $8. 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 subject to an additional one-year vesting term.

SEC source: 0001104659-18-049280 · a4.xml · nonDerivative · entry 1

CONNORS MICHAEL P · CIK 0001249201 · Director · Chairman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,636,954

F1 · kind: Represents restricted stock units 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 August 1, 2018.

SEC source: 0001104659-18-049281 · a4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 179,007

F1 · kind: Represents restricted stock units 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 August 1, 2018.

F2 · balance_after: `Includes 204 shares acquired under the Information Services Group, Inc. Amended and Restated 2007 Employee Stock Purchase Plan.

SEC source: 0001104659-18-043613 · a4.xml · nonDerivative · entry 1

Berger David E. · CIK 0001473353 · EVP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 608,319

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.

F2 · balance_after: Includes 779 shares acquired under the Information Services Group, Inc. Amended and Restated 2007 Employee Stock Purchase Plan.

SEC source: 0001104659-18-043614 · a4.xml · nonDerivative · entry 1

CONNORS MICHAEL P · CIK 0001249201 · Director · Chairman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,452,679

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.