Harris Mark R

SEC source: 0001628280-24-034124 · wk-form4_1722542746.xml · nonDerivative · entry 1

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 65,953.019

F1 · price: This is the weighted average sales price representing 7,500 shares sold at prices ranging from $40.425 to $40.93 per share. The reporting person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request.

SEC source: 0001628280-24-029908 · wk-form4_1719347460.xml · nonDerivative · entry 1

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73,453.019

F1 · shares: Reflects an aggregate of 2,716 shares of common stock retained by Issuer to satisfy tax withholding obligations with respect to Restricted Stock Units that vested on June 22, 2024.

SEC source: 0001628280-24-022618 · wk-form4_1715371511.xml · nonDerivative · entry 1

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 76,169.019

F1 · price: This is the weighted average sales price representing 7,000 shares sold at prices ranging from $31.63 to $31.99 per share. The reporting person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request.

SEC source: 0001628280-24-014349 · wk-form4_1712088333.xml · nonDerivative · entry 2

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 83,169.019

F3 · security: Reflects an aggregate of 7,700 shares of common stock retained by Issuer to satisfy tax withholding obligations with respect to 2021 PSUs that vested on March 30, 2024.

SEC source: 0001628280-24-014349 · wk-form4_1712088333.xml · nonDerivative · entry 1

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 90,869.019

F1 · security: Reflects the vesting of 16,615 non-derivative Performance Stock Units ("PSUs") granted on March 30, 2021 ("2021 PSUs") for the three-year performance period ended December 31, 2023 and which are exempt from liability under Section 16(b) of the Securities Exchange Act pursuant to Rule 16b-3(d). PSUs are target-based equity grants that generally vest three years from the grant date if certain performance goals are achieved. The actual amounts to vest at the end of the performance period can range from 0% to 200% of target based on performance.

F2 · price: PSUs convert into common stock on a one-for-one basis at the time of vesting.

SEC source: 0001628280-24-010772 · wk-form4_1710324606.xml · nonDerivative · entry 2

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 74,254.019

F2 · shares: Reflects an aggregate of 3,289 shares of common stock retained by Heidrick & Struggles International, Inc. to satisfy tax withholding obligations with respect to the vesting of Restricted Stock Units.

SEC source: 0001628280-24-010772 · wk-form4_1710324606.xml · nonDerivative · entry 1

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 77,543.019

F1 · shares: Represents Restricted Stock Units, each representing a contingent right to receive one share of the Issuer's Common Stock under the Fourth Amended and Restated 2012 Heidrick & Struggles GlobalShare Program. The Restricted Stock Units are service-based and vest in three equal installments on the first, second and third anniversaries of the date of grant.

SEC source: 0001628280-23-041582 · wk-form4_1702588130.xml · nonDerivative · entry 1

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 63,206.019

F1 · price: This is the weighted average sales price representing 6,000 shares sold at prices ranging from $27.88 to $28.15 per share. The reporting person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request.

SEC source: 0001066605-23-000056 · wk-form4_1687810807.xml · nonDerivative · entry 1

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,206.019

F1 · shares: Represents Restricted Stock Units, each representing a contingent right to receive one share of the Issuer's Common Stock under the Fourth Amended and Restated 2012 Heidrick & Struggles GlobalShare Program. The Restricted Stock Units are service-based and vest in three equal installments on the first, second and third anniversaries of the date of grant.

F2 · balance_after: The Reporting Person has reported prior awards of Restricted Stock Units in Table II of Form 4. The total reported in Column 5 includes 41,043.019 shares of Common Stock, the 17,580 newly awarded Restricted Stock Units, and 10,583 unvested Restricted Stock Units previously reported on Table II.

SEC source: 0001628280-23-034829 · wk-form4a_1697833854.xml · nonDerivative · entry 1

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,206.019

F1 · shares: Represents Restricted Stock Units, each representing a contingent right to receive one share of the Issuer's Common Stock, under the Fourth Amended and Restated 2012 Heidrick & Struggles GlobalShare Program. The Restricted Stock Units are service-based and vest in three equal installments on the first, second and third anniversaries of the date of grant.

F2 · balance_after: The Reporting Person has reported prior awards of Restricted Stock Units in Table II of Form 4. The total reported in Column 5 includes 41,043.019 shares of fully vested Common Stock, the 17,580 newly awarded Restricted Stock Units, and 10,583 Restricted Stock Units previously reported on Table II.

SEC source: 0001066605-23-000021 · wf-form4_167874028493043.xml · derivative · entry 11

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,974

Underlying: Common Stock · 3,486 shares

Expires not disclosed

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

F2 · derivative.exercise_price: RSUs convert into common stock on a one-for-one basis at the time of vesting

F13 · derivative.exercise_date: On March 9, 2022, the reporting person was granted 10,460 RSUs, which are service-based and vest in three equal installments on the first, second and third anniversaries of the date of grant.

F13 · derivative.expiration_date: On March 9, 2022, the reporting person was granted 10,460 RSUs, which are service-based and vest in three equal installments on the first, second and third anniversaries of the date of grant.

SEC source: 0001066605-23-000021 · wf-form4_167874028493043.xml · derivative · entry 10

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,609

Underlying: Common Stock · 3,608 shares

Expires not disclosed

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

F2 · derivative.exercise_price: RSUs convert into common stock on a one-for-one basis at the time of vesting

F12 · derivative.exercise_date: On March 9, 2021, the reporting person was granted 10,825 RSUs, which are service-based and vest in three equal installments on the first, second and third anniversaries of the date of grant.

F12 · derivative.expiration_date: On March 9, 2021, the reporting person was granted 10,825 RSUs, which are service-based and vest in three equal installments on the first, second and third anniversaries of the date of grant.

SEC source: 0001066605-23-000021 · wf-form4_167874028493043.xml · derivative · entry 9

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 5,335 shares

Expires not disclosed

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

F2 · derivative.exercise_price: RSUs convert into common stock on a one-for-one basis at the time of vesting

F11 · derivative.exercise_date: On March 9, 2020, the reporting person was granted 16,005 RSUs, which are service-based and vest in three equal installments on the first, second and third anniversaries of the date of grant.

F11 · derivative.expiration_date: On March 9, 2020, the reporting person was granted 16,005 RSUs, which are service-based and vest in three equal installments on the first, second and third anniversaries of the date of grant.

SEC source: 0001066605-23-000021 · wf-form4_167874028493043.xml · nonDerivative · entry 8

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 41,043.019

F10 · security: Reflects an aggregate of 1,616 shares of common stock retained by Issuer to satisfy tax withholding obligations with respect to 2022 RSUs that vested on March 9, 2023.

SEC source: 0001066605-23-000021 · wf-form4_167874028493043.xml · nonDerivative · entry 7

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 42,659.019

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.

F9 · security: Reflects the vesting of the first of three installments of RSUs granted on March 9, 2022 ("2022 RSUs"). RSUs are service-based and vest in three equal installments on the first, second and third anniversaries of the date of grant.

F2 · price: RSUs convert into common stock on a one-for-one basis at the time of vesting

SEC source: 0001066605-23-000021 · wf-form4_167874028493043.xml · nonDerivative · entry 6

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,173.019

F8 · security: Reflects an aggregate of 1,672 shares of common stock retained by Issuer to satisfy tax withholding obligations with respect to 2021 RSUs that vested on March 9, 2023.

SEC source: 0001066605-23-000021 · wf-form4_167874028493043.xml · nonDerivative · entry 5

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,845.019

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.

F7 · security: Reflects the vesting of the second of three installments of RSUs granted on March 9, 2021 ("2021 RSUs"). RSUs are service-based and vest in three equal installments on the first, second and third anniversaries of the date of grant.

F2 · price: RSUs convert into common stock on a one-for-one basis at the time of vesting

SEC source: 0001066605-23-000021 · wf-form4_167874028493043.xml · nonDerivative · entry 4

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,237.019

F6 · security: Reflects an aggregate of 9,064 shares of common stock retained by Issuer to satisfy tax withholding obligations with respect to 2020 PSUs that vested on March 9, 2023.

SEC source: 0001066605-23-000021 · wf-form4_167874028493043.xml · nonDerivative · entry 3

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 46,301.019

F4 · security: Reflects the vesting of 19,558 non-derivative Performance Stock Units ("PSUs") granted on March 9, 2020 ("2020 PSUs") for the three-year performance period ended December 31, 2022 and which are exempt from liability under Section 16(b) of the Securities Exchange Act pursuant to Rule 16b-3(d). PSUs are target-based equity grants that generally vest three years from the grant date if certain performance goals are achieved. The actual amounts to vest at the end of the performance period can range from 0% to 200% of target based on performance.

F5 · price: PSUs convert into common stock on a one-for-one basis at the time of vesting.

SEC source: 0001066605-23-000021 · wf-form4_167874028493043.xml · nonDerivative · entry 2

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,743.019

F3 · security: Reflects an aggregate of 2,473 shares of common stock retained by Heidrick & Struggles International, Inc. (the "Issuer") to satisfy tax withholding obligations with respect to 2020 RSUs that vested on March 9, 2023.

SEC source: 0001066605-23-000021 · wf-form4_167874028493043.xml · nonDerivative · entry 1

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,216.019

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

F1 · security: Reflects the vesting of the third of three installments of Restricted Stock Units ("RSUs") granted on March 9, 2020 ("2020 RSUs"). RSUs are service-based and vest in three equal installments on the first, second and third anniversaries of the date of grant.

F2 · price: RSUs convert into common stock on a one-for-one basis at the time of vesting

SEC source: 0001066605-22-000062 · wf-form4_165955659994067.xml · nonDerivative · entry 1

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,881.019

F1 · price: The price reported in Column 4 is a weighted average price. Mark R. Harris sold 3,000 shares in multiple transactions at prices ranging from $31.4586 to $31.9650 per share. The reporting person undertakes to provide to Heidrick & Struggles International, Inc., any security holder of Heidrick & Struggles International, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (1) to this Form 4.

SEC source: 0001066605-22-000019 · wf-form4_164695135788167.xml · derivative · entry 12

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,460

Underlying: Common Stock · 10,460 shares

Expires not disclosed

F14 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Issuer common stock.

F15 · derivative.exercise_date: RSUs are service-based and vest in three equal installments on the first, second and third anniversaries of the date of grant.

F15 · derivative.expiration_date: RSUs are service-based and vest in three equal installments on the first, second and third anniversaries of the date of grant.

SEC source: 0001066605-22-000019 · wf-form4_164695135788167.xml · derivative · entry 11

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,217

Underlying: Common Stock · 3,608 shares

Expires not disclosed

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

F2 · derivative.exercise_price: RSUs convert into common stock on a one-for-one basis at the time of vesting

F13 · derivative.exercise_date: On March 9, 2021, the reporting person was granted 10,825 RSUs, which are service-based and vest in three equal installments on the first, second and third anniversaries of the date of grant.

F13 · derivative.expiration_date: On March 9, 2021, the reporting person was granted 10,825 RSUs, which are service-based and vest in three equal installments on the first, second and third anniversaries of the date of grant.

SEC source: 0001066605-22-000019 · wf-form4_164695135788167.xml · derivative · entry 10

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,335

Underlying: Common Stock · 5,335 shares

Expires not disclosed

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

F2 · derivative.exercise_price: RSUs convert into common stock on a one-for-one basis at the time of vesting

F12 · derivative.exercise_date: On March 9, 2020, the reporting person was granted 16,005 RSUs, which are service-based and vest in three equal installments on the first, second and third anniversaries of the date of grant.

F12 · derivative.expiration_date: On March 9, 2020, the reporting person was granted 16,005 RSUs, which are service-based and vest in three equal installments on the first, second and third anniversaries of the date of grant.

SEC source: 0001066605-22-000019 · wf-form4_164695135788167.xml · nonDerivative · entry 8

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,881.019

F10 · security: Reflects an aggregate of 1,672 shares of common stock retained by Issuer to satisfy tax withholding obligations with respect to 2021 RSUs that vested on March 9, 2022.

SEC source: 0001066605-22-000019 · wf-form4_164695135788167.xml · nonDerivative · entry 7

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,553.019

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.

F9 · security: Reflects the vesting of the first of three installments of RSUs granted on March 9, 2021 ("2021 RSUs"). RSUs are service-based and vest in three equal installments on the first, second and third anniversaries of the date of grant.

F2 · price: RSUs convert into common stock on a one-for-one basis at the time of vesting

SEC source: 0001066605-22-000019 · wf-form4_164695135788167.xml · nonDerivative · entry 6

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,945.019

F8 · security: Reflects an aggregate of 2,473 shares of common stock retained by the Issuer to satisfy tax withholding obligations with respect to 2020 RSUs that vested on March 9, 2022.

SEC source: 0001066605-22-000019 · wf-form4_164695135788167.xml · nonDerivative · entry 5

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,418.019

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.

F7 · security: Reflects the vesting of the second of three installments of RSUs granted on March 9, 2020 ("2020 RSUs"). RSUs are service-based and vest in three equal installments on the first, second and third anniversaries of the date of grant.

F2 · price: RSUs convert into common stock on a one-for-one basis at the time of vesting

SEC source: 0001066605-22-000019 · wf-form4_164695135788167.xml · derivative · entry 9

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,066 shares

Expires not disclosed

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

F2 · derivative.exercise_price: RSUs convert into common stock on a one-for-one basis at the time of vesting

F11 · derivative.exercise_date: On March 8, 2019, the reporting person was granted 9,198 RSUs, which are service-based and vest in three equal installments on the first, second and third anniversaries of the date of grant.

F11 · derivative.expiration_date: On March 8, 2019, the reporting person was granted 9,198 RSUs, which are service-based and vest in three equal installments on the first, second and third anniversaries of the date of grant.

SEC source: 0001066605-22-000019 · wf-form4_164695135788167.xml · nonDerivative · entry 4

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,083.019

F6 · security: Reflects an aggregate of 5,925 shares of common stock retained by Issuer to satisfy tax withholding obligations with respect to 2019 PSUs that vested on March 8, 2022.

SEC source: 0001066605-22-000019 · wf-form4_164695135788167.xml · nonDerivative · entry 3

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,008.019

F4 · security: Reflects the vesting of 12,785 non-derivative Performance Stock Units ("PSUs") granted on March 8, 2019 ("2019 PSUs") for the three-year performance period ended December 31, 2021 and which are exempt from liability under Section 16(b) of the Securities Exchange Act pursuant to Rule 16b-3(d). PSUs are target-based equity grants that generally vest three years from the grant date if certain performance goals are achieved. The actual amounts to vest at the end of the performance period can range from 0% to 200% of target based on performance.

F5 · price: PSUs convert into common stock on a one-for-one basis at the time of vesting.

SEC source: 0001066605-22-000019 · wf-form4_164695135788167.xml · nonDerivative · entry 2

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,223.019

F3 · security: Reflects an aggregate of 1,421 shares of common stock retained by Heidrick & Struggles International, Inc. (the "Issuer") to satisfy tax withholding obligations with respect to 2019 RSUs that vested on March 8, 2022.

SEC source: 0001066605-22-000019 · wf-form4_164695135788167.xml · nonDerivative · entry 1

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,644.019

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

F1 · security: Reflects the vesting of the third of three installments of Restricted Stock Units ("RSUs") granted on March 8, 2019 ("2019 RSUs"). RSUs are service-based and vest in three equal installments on the first, second and third anniversaries of the date of grant.

F2 · price: RSUs convert into common stock on a one-for-one basis at the time of vesting

SEC source: 0001066605-21-000080 · wf-form4_162794154269990.xml · nonDerivative · entry 2

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,578.019

F2 · price: The price reported in Column 4 is a weighted average price. Mark R. Harris sold 1,000 shares in multiple transactions at prices ranging from $42.00 to $42.24 per share, inclusive. The reporting person undertakes to provide to Heidrick & Struggles International, Inc., any security holder of Heidrick & Struggles International, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote (1) to this Form 4.

SEC source: 0001066605-21-000080 · wf-form4_162794154269990.xml · nonDerivative · entry 1

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,578.019

F1 · price: The price reported in Column 4 is a weighted average price. Mark R. Harris sold 3,939 shares in multiple transactions at prices ranging from $42.1300 to $43.2900 per share, inclusive. The reporting person undertakes to provide to Heidrick & Struggles International, Inc., any security holder of Heidrick & Struggles International, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote (1) to this Form 4.

SEC source: 0001066605-21-000033 · wf-form4_161713967526278.xml · nonDerivative · entry 2

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,517.019

F3 · security: Reflects an aggregate of 6,313 shares of common stock retained by Issuer to satisfy tax withholding obligations with respect to 2018 PSUs that vested on March 28, 2021.

SEC source: 0001066605-21-000033 · wf-form4_161713967526278.xml · nonDerivative · entry 1

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,830.019

F1 · security: Reflects the vesting of 13,622 non-derivative Performance Stock Units ("PSUs") granted on March 28, 2018 ("2018 PSUs") for the three-year performance period ended December 31, 2020 and which are exempt from liability under Section 16(b) of the Securities Exchange Act pursuant to Rule 16b-3(d). PSUs are target-based equity grants that generally vest three years from the grant date if certain performance goals are achieved. The actual amounts to vest at the end of the performance period can range from 0% to 200% of target based on performance.

F2 · price: PSUs convert into common stock on a one-for-one basis at the time of vesting.

SEC source: 0001066605-21-000025 · wf-form4_161541687907327.xml · derivative · entry 10

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,825

Underlying: Common Stock · 10,825 shares

Expires not disclosed

F11 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Issuer common stock.

F12 · derivative.exercise_date: RSUs are service-based and vest in three equal installments on the first, second and third anniversaries of the date of grant.

F12 · derivative.expiration_date: RSUs are service-based and vest in three equal installments on the first, second and third anniversaries of the date of grant.

SEC source: 0001066605-21-000025 · wf-form4_161541687907327.xml · derivative · entry 9

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,670

Underlying: Common Stock · 5,335 shares

Expires not disclosed

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

F2 · derivative.exercise_price: RSUs convert into common stock on a one-for-one basis at the time of vesting

F10 · derivative.exercise_date: On March 9, 2020, the reporting person was granted 16,005 RSUs, which are service-based and vest in three equal installments on the first, second and third anniversaries of the date of grant.

F10 · derivative.expiration_date: On March 9, 2020, the reporting person was granted 16,005 RSUs, which are service-based and vest in three equal installments on the first, second and third anniversaries of the date of grant.

SEC source: 0001066605-21-000025 · wf-form4_161541687907327.xml · derivative · entry 8

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,284 shares

Expires not disclosed

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

F2 · derivative.exercise_price: RSUs convert into common stock on a one-for-one basis at the time of vesting

F9 · derivative.exercise_date: On March 9, 2018, the reporting person was granted 9,852 RSUs, which are service-based and vest in three equal installments on the first, second and third anniversaries of the date of grant.

F9 · derivative.expiration_date: On March 9, 2018, the reporting person was granted 9,852 RSUs, which are service-based and vest in three equal installments on the first, second and third anniversaries of the date of grant.

SEC source: 0001066605-21-000025 · wf-form4_161541687907327.xml · nonDerivative · entry 6

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,208.019

F7 · security: Reflects an aggregate of 2,473 shares of common stock retained by Issuer to satisfy tax withholding obligations with respect to 2020 RSUs that vested on March 9, 2021.

SEC source: 0001066605-21-000025 · wf-form4_161541687907327.xml · nonDerivative · entry 5

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,681.019

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.

F6 · security: Reflects the vesting of the first of three installments of RSUs granted on March 9, 2020 ("2020 RSUs"). RSUs are service-based and vest in three equal installments on the first, second and third anniversaries of the date of grant.

F2 · price: RSUs convert into common stock on a one-for-one basis at the time of vesting

SEC source: 0001066605-21-000025 · wf-form4_161541687907327.xml · nonDerivative · entry 4

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,346.019

F5 · security: Reflects an aggregate of 1,522 shares of common stock retained by Heidrick & Struggles International, Inc. (the "Issuer") to satisfy tax withholding obligations with respect to 2018 RSUs that vested on March 9, 2021.

SEC source: 0001066605-21-000025 · wf-form4_161541687907327.xml · nonDerivative · entry 3

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,868.019

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.

F4 · security: Reflects the vesting of the third of three installments of Restricted Stock Units ("RSUs") granted on March 9, 2018 ("2018 RSUs"). RSUs are service-based and vest in three equal installments on the first, second and third anniversaries of the date of grant.

F2 · price: RSUs convert into common stock on a one-for-one basis at the time of vesting

SEC source: 0001066605-21-000025 · wf-form4_161541687907327.xml · derivative · entry 7

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,066

Underlying: Common Stock · 3,066 shares

Expires not disclosed

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

F2 · derivative.exercise_price: RSUs convert into common stock on a one-for-one basis at the time of vesting

F8 · derivative.exercise_date: On March 8, 2019, the reporting person was granted 9,198 RSUs, which are service-based and vest in three equal installments on the first, second and third anniversaries of the date of grant.

F8 · derivative.expiration_date: On March 8, 2019, the reporting person was granted 9,198 RSUs, which are service-based and vest in three equal installments on the first, second and third anniversaries of the date of grant.

SEC source: 0001066605-21-000025 · wf-form4_161541687907327.xml · nonDerivative · entry 2

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,584.019

F3 · security: Reflects an aggregate of 1,421 shares of common stock retained by Issuer to satisfy tax withholding obligations with respect to 2019 RSUs that vested on March 8, 2021.

SEC source: 0001066605-21-000025 · wf-form4_161541687907327.xml · nonDerivative · entry 1

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,005.019

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

F1 · security: Reflects the vesting of the second of three installments of Restricted Stock Units ("RSUs") granted on March 8, 2019 ("2019 RSUs"). RSUs are service-based and vest in three equal installments on the first, second and third anniversaries of the date of grant.

F2 · price: RSUs convert into common stock on a one-for-one basis at the time of vesting

SEC source: 0000899243-20-032357 · doc4.xml · nonDerivative · entry 1

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,939.019

SEC source: 0001209191-20-017827 · doc4.xml · derivative · entry 7

Harris Mark R · CIK 0001650221 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,005

Underlying: Common Stock · 16,005 shares

Expires not disclosed

F8 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Issuer common stock.

F9 · derivative.exercise_date: RSUs are service-based and vest in three equal installments on the first, second and third anniversaries of the date of grant.

F9 · derivative.expiration_date: RSUs are service-based and vest in three equal installments on the first, second and third anniversaries of the date of grant.