III

SEC source: 0001415889-22-012249 · form4-12082022_091216.xml · nonDerivative · entry 2

RAINA KALPANA · CIK 0001229271 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 406,911

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: 0001415889-22-012239 · form4-12082022_091202.xml · nonDerivative · entry 2

Pfau Bruce · CIK 0001781412 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 152,747

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: 0001415889-22-012246 · form4-12082022_091235.xml · nonDerivative · entry 1

HOBBS GERALD S · CIK 0001262377 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 518,498

F1 · kind: Grant of restricted stock units which vest in 3 equal installments on each of the first, second and third anniversaries of December 06, 2022 (or earlier in the event of a change of control of ISG or such director's death or disability).

SEC source: 0001415889-22-012244 · form4-12082022_091217.xml · nonDerivative · entry 1

BUDNICK NEIL G · CIK 0001237567 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 302,568

F1 · kind: Grant of restricted stock units which vest in 3 equal installments on each of the first, second and third anniversaries of December 06, 2022 (or earlier in the event of a change of control of ISG or such director's death or disability).

SEC source: 0001415889-22-012249 · form4-12082022_091216.xml · nonDerivative · entry 1

RAINA KALPANA · CIK 0001229271 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 408,992

F1 · kind: Grant of restricted stock units which vest in 3 equal installments on each of the first, second and third anniversaries of December 06, 2022 (or earlier in the event of a change of control of ISG or such director's death or disability).

SEC source: 0001415889-22-012242 · form4-12082022_091211.xml · nonDerivative · entry 1

WAITE DONALD C III · CIK 0001204026 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 526,834

F1 · kind: Grant of restricted stock units which vest in 3 equal installments on each of the first, second and third anniversaries of December 06, 2022 (or earlier in the event of a change of control of ISG or such director's death or disability).

SEC source: 0001415889-22-012253 · form4-12082022_091213.xml · nonDerivative · entry 1

Putur Christine · CIK 0001603246 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 290,526

F1 · kind: Grant of restricted stock units which vest in 3 equal installments on each of the first, second and third anniversaries of December 06, 2022 (or earlier in the event of a change of control of ISG or such director's death or disability).

SEC source: 0001415889-22-012239 · form4-12082022_091202.xml · nonDerivative · entry 1

Pfau Bruce · CIK 0001781412 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 154,568

F1 · kind: Grant of restricted stock units which vest in 3 equal installments on each of the first, second and third anniversaries of December 06, 2022 (or earlier in the event of a change of control of ISG or such director's death or disability).

SEC source: 0001415889-22-012044 · form4-12052022_091250.xml · nonDerivative · entry 1

Alfonso Humberto P · CIK 0001406985 · EVP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 237,461

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.

F2 · balance_after: Includes 1,258 shares acquired under the Information Services Group, Inc. Amended and Restated 2007 Employee Stock Purchase Plan

SEC source: 0001415889-22-009823 · form4-09212022_080901.xml · nonDerivative · entry 2

WAITE DONALD C III · CIK 0001204026 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 502,933

F1 · kind: Represents dividend reinvestment through a personal brokerage account.

SEC source: 0001415889-22-009411 · form4-09062022_010955.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,653,309

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: 0001415889-22-009408 · form4-09062022_010914.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 251,398

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: 0001415889-22-009405 · form4-09062022_010910.xml · nonDerivative · entry 1

Lavieri Todd D. · CIK 0001760914 · VICE CHAIRMAN

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 890,046

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: 0001415889-22-008195 · form4-08032022_020845.xml · derivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 241,329 shares

Expires 2022-08-01

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 August 1, 2019, the Reporting Person was granted RSUs that would be earned based on achievement of market price goals, which were 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 would be earned if the measured market price was $6 and 100% of the RSUs would be earned if the measured market price was $8 or above, with straight-line interpolation of the number of earned RSUs if the measured market price was between $6 and $8. Based on the creation of more than $230 million in market value since the grant in August 2019, these performance shares vested at 82% of the maximum that could have been earned.

F2 · shares: On August 1, 2019, the Reporting Person was granted RSUs that would be earned based on achievement of market price goals, which were 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 would be earned if the measured market price was $6 and 100% of the RSUs would be earned if the measured market price was $8 or above, with straight-line interpolation of the number of earned RSUs if the measured market price was between $6 and $8. Based on the creation of more than $230 million in market value since the grant in August 2019, these performance shares vested at 82% of the maximum that could have been earned.

SEC source: 0001415889-22-008195 · form4-08032022_020845.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,698,529

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. Each deemed disposition relates to a separate grant of restricted stock units.

SEC source: 0001415889-22-008195 · form4-08032022_020845.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,732,736

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. Each deemed disposition relates to a separate grant of restricted stock units.

SEC source: 0001415889-22-008195 · form4-08032022_020845.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,844,592

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. Each deemed disposition relates to a separate grant of restricted stock units.

SEC source: 0001415889-22-008195 · form4-08032022_020845.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,865,945

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: 0001415889-22-008199 · form4-08032022_020852.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 256,152

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 144 shares acquired under the Information Services Group, Inc. Amended and Restated 2007 Employee Stock Purchase Plan.

SEC source: 0001415889-22-008199 · form4-08032022_020852.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 259,604

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: 0001415889-22-008197 · form4-08032022_020814.xml · nonDerivative · entry 1

Lavieri Todd D. · CIK 0001760914 · VICE CHAIRMAN

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 909,310

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 559 shares acquired under the Information Services Group, Inc. Amended and Restated 2007 Employee Stock Purchase Plan.

SEC source: 0001415889-22-007482 · form4-07062022_040706.xml · nonDerivative · entry 2

Alfonso Humberto P · CIK 0001406985 · EVP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 240,510

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: 0001415889-22-007482 · form4-07062022_040706.xml · nonDerivative · entry 1

Alfonso Humberto P · CIK 0001406985 · EVP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 252,765

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 1,131 shares acquired under the Information Services Group, Inc. Amended and Restated 2007 Employee Stock Purchase Plan.

SEC source: 0001415889-22-009414 · form4-09062022_080901.xml · nonDerivative · entry 1

Pfau Bruce · CIK 0001781412 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 130,667

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: 0001415889-22-009823 · form4-09212022_080901.xml · nonDerivative · entry 1

WAITE DONALD C III · CIK 0001204026 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 501,204

F1 · kind: Represents dividend reinvestment through a personal brokerage account.

SEC source: 0001415889-22-006155 · form4-06062022_040627.xml · nonDerivative · entry 1

Pfau Bruce · CIK 0001781412 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 132,704

F1 · shares: The sales were executed to satisfy tax obligations in connection with certain estate planning transactions.

F2 · price: Price reflected is the weighted-average purchase price for shares sold. The range of selling prices for the transactions reported was $6.62 to $6.68 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: 0001415889-22-006130 · form4-06032022_010654.xml · derivative · entry 2

Alfonso Humberto P · CIK 0001406985 · EVP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,218

Underlying: Common Stock · 13,218 shares

Expires 2026-06-01

F3 · derivative.exercise_price: Award will vest based on the achievement of market price goals, which will be measured as the average closing price of ISGs 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 $9.00 or above. If this measured market price is not achieved by the fourth anniversary of the award, these RSUs will be forfeited.

F3 · derivative.exercise_date: Award will vest based on the achievement of market price goals, which will be measured as the average closing price of ISGs 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 $9.00 or above. If this measured market price is not achieved by the fourth anniversary of the award, these RSUs will be forfeited.

SEC source: 0001415889-22-006130 · form4-06032022_010654.xml · nonDerivative · entry 1

Alfonso Humberto P · CIK 0001406985 · EVP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 254,873

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 June 1, 2022.

F2 · balance_after: Includes 2,123 shares acquired under the Information Services Group, Inc. Amended and Restated 2007 Employee Stock Purchase Plan.

SEC source: 0001415889-22-006129 · form4-06032022_010613.xml · derivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 196,375

Underlying: Common Stock · 196,375 shares

Expires 2025-06-01

F3 · derivative.exercise_price: Represents a grant of RSUs that may be earned based on achievement of market price goals, which will be measured at 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 $9.00 and 100% of the RSUs will be earned if the measured market price is $13.00 or above, with interpolation of the number of earned RSUs if the measured market price is between $9.00 and $13.00. 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 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 third anniversary of the date of grant. 50% of the number of RSUs reported above will be earned if the measured market price is $9.00 and 100% of the RSUs will be earned if the measured market price is $13.00 or above, with interpolation of the number of earned RSUs if the measured market price is between $9.00 and $13.00. 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: 0001415889-22-006129 · form4-06032022_010613.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,624,616

F2 · 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: 0001415889-22-006129 · form4-06032022_010613.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,638,364

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 June 1, 2022.

SEC source: 0001415889-22-006128 · form4-06032022_010646.xml · derivative · entry 3

Lavieri Todd D. · CIK 0001760914 · VICE CHAIRMAN

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,938

Underlying: Common Stock · 17,938 shares

Expires 2026-06-01

F4 · derivative.exercise_price: Award will vest based on the achievement of market price goals, which will be measured as the average closing price of ISGs 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 $9.00 or above. If this measured market price is not achieved by the fourth anniversary of the award, these RSUs will be forfeited.

F4 · derivative.exercise_date: Award will vest based on the achievement of market price goals, which will be measured as the average closing price of ISGs 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 $9.00 or above. If this measured market price is not achieved by the fourth anniversary of the award, these RSUs will be forfeited.

SEC source: 0001415889-22-006128 · form4-06032022_010646.xml · nonDerivative · entry 2

Lavieri Todd D. · CIK 0001760914 · VICE CHAIRMAN

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 920,256

F3 · 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: 0001415889-22-006128 · form4-06032022_010646.xml · nonDerivative · entry 1

Lavieri Todd D. · CIK 0001760914 · VICE CHAIRMAN

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 933,252

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 June 1, 2022.

F2 · balance_after: Includes 530 shares acquired under the Information Services Group, Inc. Amended and Restated 2007 Employee Stock Purchase Plan.

SEC source: 0001415889-22-006127 · form4-06032022_010653.xml · derivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,532

Underlying: Common Stock · 4,532 shares

Expires 2026-06-01

F3 · derivative.exercise_price: Award will vest based on the achievement of market price goals, which will be measured as the average closing price of ISGs 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 $9.00 or above. If this measured market price is not achieved by the fourth anniversary of the award, these RSUs will be forfeited.

F3 · derivative.exercise_date: Award will vest based on the achievement of market price goals, which will be measured as the average closing price of ISGs 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 $9.00 or above. If this measured market price is not achieved by the fourth anniversary of the award, these RSUs will be forfeited.

SEC source: 0001415889-22-006127 · form4-06032022_010653.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 262,797

F2 · 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: 0001415889-22-006127 · form4-06032022_010653.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 264,967

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 June 1, 2022.

SEC source: 0001415889-22-003997 · form4-04112022_060401.xml · nonDerivative · entry 2

WAITE DONALD C III · CIK 0001204026 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 499,696

F2 · kind: Represents dividend reinvestment through a personal brokerage account.

SEC source: 0001415889-22-003835 · form4-04052022_040401.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 250,617

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 April 1, 2023.

F2 · balance_after: Includes 376 shares acquired under the Information Services Group, Inc. Amended and Restated 2007 Employee Stock Purchase Plan.

SEC source: 0001415889-22-003126 · form4-03172022_010317.xml · nonDerivative · entry 3

Pfau Bruce · CIK 0001781412 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 146,264

F1 · shares: The purchase and sale were executed for tax and estate planning purposes in order to transfer the shares to a separate retirement account.

SEC source: 0001415889-22-003125 · form4-03172022_010333.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,540,177

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 March 15, 2023.

SEC source: 0001415889-22-003126 · form4-03172022_010317.xml · nonDerivative · entry 2

Pfau Bruce · CIK 0001781412 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 155,855

F1 · shares: The purchase and sale were executed for tax and estate planning purposes in order to transfer the shares to a separate retirement account.

F3 · price: Price reflected is the weighted-average purchase price for shares sold. The range of selling prices for the transactions reported was $7.02 to $7.08 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: 0001415889-22-003126 · form4-03172022_010317.xml · nonDerivative · entry 1

Pfau Bruce · CIK 0001781412 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 183,864

F1 · shares: The purchase and sale were executed for tax and estate planning purposes in order to transfer the shares to a separate retirement account.

F2 · price: Price reflected is the weighted-average purchase price for shares purchased. The range of purchase prices for the transactions reported was $6.72 to $6.97 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: 0001415889-22-003122 · form4-03172022_010308.xml · nonDerivative · entry 1

Lavieri Todd D. · CIK 0001760914 · VICE CHAIRMAN

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 878,908

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 March 15, 2023.

F2 · balance_after: Includes 977 shares acquired under the Information Services Group, Inc. Amended and Restated 2007 Employee Stock Purchase Plan.

SEC source: 0001415889-22-003997 · form4-04112022_060401.xml · nonDerivative · entry 1

WAITE DONALD C III · CIK 0001204026 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 498,736

F1 · kind: Represents dividend reinvestment through a personal brokerage account.

SEC source: 0001415889-21-005869 · form4-12142021_011225.xml · nonDerivative · entry 1

Putur Christine · CIK 0001603246 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 266,625

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: 0001415889-21-005871 · form4-12142021_011245.xml · nonDerivative · entry 1

BUDNICK NEIL G · CIK 0001237567 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 278,667

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: 0001415889-21-005873 · form4-12142021_011253.xml · nonDerivative · entry 1

RAINA KALPANA · CIK 0001229271 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 385,091

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: 0001415889-21-005813 · form4-12092021_011201.xml · nonDerivative · entry 2

BUDNICK NEIL G · CIK 0001237567 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 284,213

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: 0001415889-21-005807 · form4-12092021_011236.xml · nonDerivative · entry 2

RAINA KALPANA · CIK 0001229271 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 395,174

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.