STGW

SEC source: 0001104659-20-093384 · tm2027254d3_4.xml · nonDerivative · entry 1

SIMON IRWIN D · CIK 0000922748 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 88,211

F1 · shares: The reporting person was awarded shares of restricted stock (Class A Subordinate Voting Shares) as a component of non-employee director compensation. The shares of restricted stock will vest in full on the first anniversary of the date of grant.

F2 · balance_after: Includes shares of unvested restricted stock (Class A Subordinate Voting Shares).

SEC source: 0001104659-20-093383 · tm2027254d2_4.xml · nonDerivative · entry 1

BARSHEFSKY CHARLENE · CIK 0001145766 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 73,256

F1 · shares: The reporting person was awarded shares of restricted stock (Class A Subordinate Voting Shares) as a component of non-employee director compensation. The shares of restricted stock will vest in full on the first anniversary of the date of grant.

SEC source: 0001104659-20-093382 · tm2027254d1_4.xml · nonDerivative · entry 1

Daniere Asha · CIK 0001816961 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,256

F1 · shares: The reporting person was awarded restricted stock units as a component of non-employee director compensation. Each restricted stock unit represents a contingent right to receive one Class A Subordinate Voting Share. The restricted stock units will vest in full on the first anniversary of the date of grant.

SEC source: 0000899243-21-031373 · doc4.xml · nonDerivative · entry 6

Gross Bradley J. · CIK 0001447253 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 7,703

F1 · security: These transactions in the Class A Subordinate Voting Shares (the "Class A Shares") of MDC Partners Inc. (the "Issuer") have not previously been reported on Form 4 and were effected by Goldman Sachs & Co. LLC ("Goldman Sachs") acting as agent on behalf of certain international affiliates that had entered into riskless principal trades in connection with client trade facilitation in the ordinary course of their business.

F2 · security: Without conceding riskless principal trades in connection with client trade facilitation in the ordinary course of business can result in liability under Section 16(b) of the Securities Exchange Act of 1934 (the "Exchange Act"), the amount of profit potentially recoverable by the Issuer from the reported transactions in the event that they were subject to Section 16(b) will be remitted to the Issuer.

F3 · security: The Reporting Person is a managing director of Goldman Sachs. Goldman Sachs is a subsidiary of by The Goldman Sachs Group, Inc. ("GS Group").

F4 · balance_after: Goldman Sachs and GS Group may be deemed to beneficially own 7,703 Class A Shares acquired by Goldman Sachs or another wholly-owned broker or dealer subsidiary of GS Group in ordinary course trading activities.

F5 · balance_after: The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

F4 · ownership.nature: Goldman Sachs and GS Group may be deemed to beneficially own 7,703 Class A Shares acquired by Goldman Sachs or another wholly-owned broker or dealer subsidiary of GS Group in ordinary course trading activities.

F5 · ownership.nature: The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000899243-21-031373 · doc4.xml · nonDerivative · entry 5

Gross Bradley J. · CIK 0001447253 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 12,316

F1 · security: These transactions in the Class A Subordinate Voting Shares (the "Class A Shares") of MDC Partners Inc. (the "Issuer") have not previously been reported on Form 4 and were effected by Goldman Sachs & Co. LLC ("Goldman Sachs") acting as agent on behalf of certain international affiliates that had entered into riskless principal trades in connection with client trade facilitation in the ordinary course of their business.

F2 · security: Without conceding riskless principal trades in connection with client trade facilitation in the ordinary course of business can result in liability under Section 16(b) of the Securities Exchange Act of 1934 (the "Exchange Act"), the amount of profit potentially recoverable by the Issuer from the reported transactions in the event that they were subject to Section 16(b) will be remitted to the Issuer.

F3 · security: The Reporting Person is a managing director of Goldman Sachs. Goldman Sachs is a subsidiary of by The Goldman Sachs Group, Inc. ("GS Group").

F4 · balance_after: Goldman Sachs and GS Group may be deemed to beneficially own 7,703 Class A Shares acquired by Goldman Sachs or another wholly-owned broker or dealer subsidiary of GS Group in ordinary course trading activities.

F5 · balance_after: The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

F4 · ownership.nature: Goldman Sachs and GS Group may be deemed to beneficially own 7,703 Class A Shares acquired by Goldman Sachs or another wholly-owned broker or dealer subsidiary of GS Group in ordinary course trading activities.

F5 · ownership.nature: The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000899243-21-031378 · doc4.xml · nonDerivative · entry 6

GOLDMAN SACHS GROUP INC · CIK 0000886982 · 10% owner

GOLDMAN SACHS & CO. LLC · CIK 0000769993 · 10% owner

Broad Street Principal Investments, L.L.C. · CIK 0001575993 · 10% owner

StoneBridge 2017, L.P. · CIK 0001698772 · 10% owner

StoneBridge 2017 Offshore, L.P. · CIK 0001698770 · 10% owner

Bridge Street Opportunity Advisors, L.L.C. · CIK 0001615636 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 7,703

F1 · security: These transactions in the Class A Subordinate Voting Shares (the "Class A Shares") of MDC Partners Inc. (the "Issuer") have not previously been reported on Form 4 and were effected by Goldman Sachs & Co. LLC ("Goldman Sachs") acting as agent on behalf of certain international affiliates that had entered into riskless principal trades in connection with client trade facilitation in the ordinary course of their business.

F2 · security: Without conceding riskless principal trades in connection with client trade facilitation in the ordinary course of business can result in liability under Section 16(b) of the Securities Exchange Act of 1934 (the "Exchange Act"), the amount of profit potentially recoverable by the Issuer from the reported transactions in the event that they were subject to Section 16(b) will be remitted to the Issuer.

F3 · security: This statement is being filed by The Goldman Sachs Group, Inc. ("GS Group"), Goldman Sachs, Broad Street Principal Investments, L.L.C. ("BSPI"), StoneBridge 2017, L.P. ("StoneBridge 2017"), StoneBridge 2017 Offshore, L.P. ("StoneBridge 2017 Offshore", together with "StoneBridge 2017", the "GS Funds") and Bridge Street Opportunity Advisors, L.L.C ("Bridge Street"). Goldman Sachs is a subsidiary of GS Group. Goldman Sachs is the direct manager and owner of BSPI and Bridge Street and the investment manager of the GS Funds. Bridge Street is the general partner of the GS Funds.

F4 · balance_after: Goldman Sachs and GS Group may be deemed to beneficially own 7,703 Class A Shares acquired by Goldman Sachs or another wholly-owned broker or dealer subsidiary of GS Group in ordinary course trading activities.

F5 · balance_after: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any such Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

F4 · ownership.nature: Goldman Sachs and GS Group may be deemed to beneficially own 7,703 Class A Shares acquired by Goldman Sachs or another wholly-owned broker or dealer subsidiary of GS Group in ordinary course trading activities.

F5 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any such Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000899243-21-031378 · doc4.xml · nonDerivative · entry 5

GOLDMAN SACHS GROUP INC · CIK 0000886982 · 10% owner

GOLDMAN SACHS & CO. LLC · CIK 0000769993 · 10% owner

Broad Street Principal Investments, L.L.C. · CIK 0001575993 · 10% owner

StoneBridge 2017, L.P. · CIK 0001698772 · 10% owner

StoneBridge 2017 Offshore, L.P. · CIK 0001698770 · 10% owner

Bridge Street Opportunity Advisors, L.L.C. · CIK 0001615636 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 12,316

F1 · security: These transactions in the Class A Subordinate Voting Shares (the "Class A Shares") of MDC Partners Inc. (the "Issuer") have not previously been reported on Form 4 and were effected by Goldman Sachs & Co. LLC ("Goldman Sachs") acting as agent on behalf of certain international affiliates that had entered into riskless principal trades in connection with client trade facilitation in the ordinary course of their business.

F2 · security: Without conceding riskless principal trades in connection with client trade facilitation in the ordinary course of business can result in liability under Section 16(b) of the Securities Exchange Act of 1934 (the "Exchange Act"), the amount of profit potentially recoverable by the Issuer from the reported transactions in the event that they were subject to Section 16(b) will be remitted to the Issuer.

F3 · security: This statement is being filed by The Goldman Sachs Group, Inc. ("GS Group"), Goldman Sachs, Broad Street Principal Investments, L.L.C. ("BSPI"), StoneBridge 2017, L.P. ("StoneBridge 2017"), StoneBridge 2017 Offshore, L.P. ("StoneBridge 2017 Offshore", together with "StoneBridge 2017", the "GS Funds") and Bridge Street Opportunity Advisors, L.L.C ("Bridge Street"). Goldman Sachs is a subsidiary of GS Group. Goldman Sachs is the direct manager and owner of BSPI and Bridge Street and the investment manager of the GS Funds. Bridge Street is the general partner of the GS Funds.

F4 · balance_after: Goldman Sachs and GS Group may be deemed to beneficially own 7,703 Class A Shares acquired by Goldman Sachs or another wholly-owned broker or dealer subsidiary of GS Group in ordinary course trading activities.

F5 · balance_after: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any such Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

F4 · ownership.nature: Goldman Sachs and GS Group may be deemed to beneficially own 7,703 Class A Shares acquired by Goldman Sachs or another wholly-owned broker or dealer subsidiary of GS Group in ordinary course trading activities.

F5 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any such Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0001104659-20-088539 · tm2026201d2_4.xml · nonDerivative · entry 1

Mirsky Jonathan B. · CIK 0001780360 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 331,750

F1 · shares: A total of 83,334 shares of Restricted Stock (Class A Subordinate Voting Shares) vested on June 17, 2020. The 39,250 shares were withheld by the Issuer to satisfy tax withholding requirements related to the vesting.

F2 · balance_after: Includes 287,666 shares of unvested Restricted Stock (Class A Subordinate Voting Shares) of the Issuer.

SEC source: 0000899243-21-031373 · doc4.xml · nonDerivative · entry 4

Gross Bradley J. · CIK 0001447253 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 7,639

F1 · security: These transactions in the Class A Subordinate Voting Shares (the "Class A Shares") of MDC Partners Inc. (the "Issuer") have not previously been reported on Form 4 and were effected by Goldman Sachs & Co. LLC ("Goldman Sachs") acting as agent on behalf of certain international affiliates that had entered into riskless principal trades in connection with client trade facilitation in the ordinary course of their business.

F2 · security: Without conceding riskless principal trades in connection with client trade facilitation in the ordinary course of business can result in liability under Section 16(b) of the Securities Exchange Act of 1934 (the "Exchange Act"), the amount of profit potentially recoverable by the Issuer from the reported transactions in the event that they were subject to Section 16(b) will be remitted to the Issuer.

F3 · security: The Reporting Person is a managing director of Goldman Sachs. Goldman Sachs is a subsidiary of by The Goldman Sachs Group, Inc. ("GS Group").

F4 · balance_after: Goldman Sachs and GS Group may be deemed to beneficially own 7,703 Class A Shares acquired by Goldman Sachs or another wholly-owned broker or dealer subsidiary of GS Group in ordinary course trading activities.

F5 · balance_after: The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

F4 · ownership.nature: Goldman Sachs and GS Group may be deemed to beneficially own 7,703 Class A Shares acquired by Goldman Sachs or another wholly-owned broker or dealer subsidiary of GS Group in ordinary course trading activities.

F5 · ownership.nature: The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000899243-21-031373 · doc4.xml · nonDerivative · entry 3

Gross Bradley J. · CIK 0001447253 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 25,899

F1 · security: These transactions in the Class A Subordinate Voting Shares (the "Class A Shares") of MDC Partners Inc. (the "Issuer") have not previously been reported on Form 4 and were effected by Goldman Sachs & Co. LLC ("Goldman Sachs") acting as agent on behalf of certain international affiliates that had entered into riskless principal trades in connection with client trade facilitation in the ordinary course of their business.

F2 · security: Without conceding riskless principal trades in connection with client trade facilitation in the ordinary course of business can result in liability under Section 16(b) of the Securities Exchange Act of 1934 (the "Exchange Act"), the amount of profit potentially recoverable by the Issuer from the reported transactions in the event that they were subject to Section 16(b) will be remitted to the Issuer.

F3 · security: The Reporting Person is a managing director of Goldman Sachs. Goldman Sachs is a subsidiary of by The Goldman Sachs Group, Inc. ("GS Group").

F4 · balance_after: Goldman Sachs and GS Group may be deemed to beneficially own 7,703 Class A Shares acquired by Goldman Sachs or another wholly-owned broker or dealer subsidiary of GS Group in ordinary course trading activities.

F5 · balance_after: The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

F4 · ownership.nature: Goldman Sachs and GS Group may be deemed to beneficially own 7,703 Class A Shares acquired by Goldman Sachs or another wholly-owned broker or dealer subsidiary of GS Group in ordinary course trading activities.

F5 · ownership.nature: The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000899243-21-031378 · doc4.xml · nonDerivative · entry 4

GOLDMAN SACHS GROUP INC · CIK 0000886982 · 10% owner

GOLDMAN SACHS & CO. LLC · CIK 0000769993 · 10% owner

Broad Street Principal Investments, L.L.C. · CIK 0001575993 · 10% owner

StoneBridge 2017, L.P. · CIK 0001698772 · 10% owner

StoneBridge 2017 Offshore, L.P. · CIK 0001698770 · 10% owner

Bridge Street Opportunity Advisors, L.L.C. · CIK 0001615636 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 7,639

F1 · security: These transactions in the Class A Subordinate Voting Shares (the "Class A Shares") of MDC Partners Inc. (the "Issuer") have not previously been reported on Form 4 and were effected by Goldman Sachs & Co. LLC ("Goldman Sachs") acting as agent on behalf of certain international affiliates that had entered into riskless principal trades in connection with client trade facilitation in the ordinary course of their business.

F2 · security: Without conceding riskless principal trades in connection with client trade facilitation in the ordinary course of business can result in liability under Section 16(b) of the Securities Exchange Act of 1934 (the "Exchange Act"), the amount of profit potentially recoverable by the Issuer from the reported transactions in the event that they were subject to Section 16(b) will be remitted to the Issuer.

F3 · security: This statement is being filed by The Goldman Sachs Group, Inc. ("GS Group"), Goldman Sachs, Broad Street Principal Investments, L.L.C. ("BSPI"), StoneBridge 2017, L.P. ("StoneBridge 2017"), StoneBridge 2017 Offshore, L.P. ("StoneBridge 2017 Offshore", together with "StoneBridge 2017", the "GS Funds") and Bridge Street Opportunity Advisors, L.L.C ("Bridge Street"). Goldman Sachs is a subsidiary of GS Group. Goldman Sachs is the direct manager and owner of BSPI and Bridge Street and the investment manager of the GS Funds. Bridge Street is the general partner of the GS Funds.

F4 · balance_after: Goldman Sachs and GS Group may be deemed to beneficially own 7,703 Class A Shares acquired by Goldman Sachs or another wholly-owned broker or dealer subsidiary of GS Group in ordinary course trading activities.

F5 · balance_after: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any such Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

F4 · ownership.nature: Goldman Sachs and GS Group may be deemed to beneficially own 7,703 Class A Shares acquired by Goldman Sachs or another wholly-owned broker or dealer subsidiary of GS Group in ordinary course trading activities.

F5 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any such Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000899243-21-031378 · doc4.xml · nonDerivative · entry 3

GOLDMAN SACHS GROUP INC · CIK 0000886982 · 10% owner

GOLDMAN SACHS & CO. LLC · CIK 0000769993 · 10% owner

Broad Street Principal Investments, L.L.C. · CIK 0001575993 · 10% owner

StoneBridge 2017, L.P. · CIK 0001698772 · 10% owner

StoneBridge 2017 Offshore, L.P. · CIK 0001698770 · 10% owner

Bridge Street Opportunity Advisors, L.L.C. · CIK 0001615636 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 25,899

F1 · security: These transactions in the Class A Subordinate Voting Shares (the "Class A Shares") of MDC Partners Inc. (the "Issuer") have not previously been reported on Form 4 and were effected by Goldman Sachs & Co. LLC ("Goldman Sachs") acting as agent on behalf of certain international affiliates that had entered into riskless principal trades in connection with client trade facilitation in the ordinary course of their business.

F2 · security: Without conceding riskless principal trades in connection with client trade facilitation in the ordinary course of business can result in liability under Section 16(b) of the Securities Exchange Act of 1934 (the "Exchange Act"), the amount of profit potentially recoverable by the Issuer from the reported transactions in the event that they were subject to Section 16(b) will be remitted to the Issuer.

F3 · security: This statement is being filed by The Goldman Sachs Group, Inc. ("GS Group"), Goldman Sachs, Broad Street Principal Investments, L.L.C. ("BSPI"), StoneBridge 2017, L.P. ("StoneBridge 2017"), StoneBridge 2017 Offshore, L.P. ("StoneBridge 2017 Offshore", together with "StoneBridge 2017", the "GS Funds") and Bridge Street Opportunity Advisors, L.L.C ("Bridge Street"). Goldman Sachs is a subsidiary of GS Group. Goldman Sachs is the direct manager and owner of BSPI and Bridge Street and the investment manager of the GS Funds. Bridge Street is the general partner of the GS Funds.

F4 · balance_after: Goldman Sachs and GS Group may be deemed to beneficially own 7,703 Class A Shares acquired by Goldman Sachs or another wholly-owned broker or dealer subsidiary of GS Group in ordinary course trading activities.

F5 · balance_after: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any such Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

F4 · ownership.nature: Goldman Sachs and GS Group may be deemed to beneficially own 7,703 Class A Shares acquired by Goldman Sachs or another wholly-owned broker or dealer subsidiary of GS Group in ordinary course trading activities.

F5 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any such Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000899243-21-031373 · doc4.xml · nonDerivative · entry 2

Gross Bradley J. · CIK 0001447253 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 7,636

F1 · security: These transactions in the Class A Subordinate Voting Shares (the "Class A Shares") of MDC Partners Inc. (the "Issuer") have not previously been reported on Form 4 and were effected by Goldman Sachs & Co. LLC ("Goldman Sachs") acting as agent on behalf of certain international affiliates that had entered into riskless principal trades in connection with client trade facilitation in the ordinary course of their business.

F2 · security: Without conceding riskless principal trades in connection with client trade facilitation in the ordinary course of business can result in liability under Section 16(b) of the Securities Exchange Act of 1934 (the "Exchange Act"), the amount of profit potentially recoverable by the Issuer from the reported transactions in the event that they were subject to Section 16(b) will be remitted to the Issuer.

F3 · security: The Reporting Person is a managing director of Goldman Sachs. Goldman Sachs is a subsidiary of by The Goldman Sachs Group, Inc. ("GS Group").

F4 · balance_after: Goldman Sachs and GS Group may be deemed to beneficially own 7,703 Class A Shares acquired by Goldman Sachs or another wholly-owned broker or dealer subsidiary of GS Group in ordinary course trading activities.

F5 · balance_after: The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

F4 · ownership.nature: Goldman Sachs and GS Group may be deemed to beneficially own 7,703 Class A Shares acquired by Goldman Sachs or another wholly-owned broker or dealer subsidiary of GS Group in ordinary course trading activities.

F5 · ownership.nature: The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000899243-21-031373 · doc4.xml · nonDerivative · entry 1

Gross Bradley J. · CIK 0001447253 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 16,523

F1 · security: These transactions in the Class A Subordinate Voting Shares (the "Class A Shares") of MDC Partners Inc. (the "Issuer") have not previously been reported on Form 4 and were effected by Goldman Sachs & Co. LLC ("Goldman Sachs") acting as agent on behalf of certain international affiliates that had entered into riskless principal trades in connection with client trade facilitation in the ordinary course of their business.

F2 · security: Without conceding riskless principal trades in connection with client trade facilitation in the ordinary course of business can result in liability under Section 16(b) of the Securities Exchange Act of 1934 (the "Exchange Act"), the amount of profit potentially recoverable by the Issuer from the reported transactions in the event that they were subject to Section 16(b) will be remitted to the Issuer.

F3 · security: The Reporting Person is a managing director of Goldman Sachs. Goldman Sachs is a subsidiary of by The Goldman Sachs Group, Inc. ("GS Group").

F4 · balance_after: Goldman Sachs and GS Group may be deemed to beneficially own 7,703 Class A Shares acquired by Goldman Sachs or another wholly-owned broker or dealer subsidiary of GS Group in ordinary course trading activities.

F5 · balance_after: The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

F4 · ownership.nature: Goldman Sachs and GS Group may be deemed to beneficially own 7,703 Class A Shares acquired by Goldman Sachs or another wholly-owned broker or dealer subsidiary of GS Group in ordinary course trading activities.

F5 · ownership.nature: The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000899243-21-031378 · doc4.xml · nonDerivative · entry 2

GOLDMAN SACHS GROUP INC · CIK 0000886982 · 10% owner

GOLDMAN SACHS & CO. LLC · CIK 0000769993 · 10% owner

Broad Street Principal Investments, L.L.C. · CIK 0001575993 · 10% owner

StoneBridge 2017, L.P. · CIK 0001698772 · 10% owner

StoneBridge 2017 Offshore, L.P. · CIK 0001698770 · 10% owner

Bridge Street Opportunity Advisors, L.L.C. · CIK 0001615636 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 7,636

F1 · security: These transactions in the Class A Subordinate Voting Shares (the "Class A Shares") of MDC Partners Inc. (the "Issuer") have not previously been reported on Form 4 and were effected by Goldman Sachs & Co. LLC ("Goldman Sachs") acting as agent on behalf of certain international affiliates that had entered into riskless principal trades in connection with client trade facilitation in the ordinary course of their business.

F2 · security: Without conceding riskless principal trades in connection with client trade facilitation in the ordinary course of business can result in liability under Section 16(b) of the Securities Exchange Act of 1934 (the "Exchange Act"), the amount of profit potentially recoverable by the Issuer from the reported transactions in the event that they were subject to Section 16(b) will be remitted to the Issuer.

F3 · security: This statement is being filed by The Goldman Sachs Group, Inc. ("GS Group"), Goldman Sachs, Broad Street Principal Investments, L.L.C. ("BSPI"), StoneBridge 2017, L.P. ("StoneBridge 2017"), StoneBridge 2017 Offshore, L.P. ("StoneBridge 2017 Offshore", together with "StoneBridge 2017", the "GS Funds") and Bridge Street Opportunity Advisors, L.L.C ("Bridge Street"). Goldman Sachs is a subsidiary of GS Group. Goldman Sachs is the direct manager and owner of BSPI and Bridge Street and the investment manager of the GS Funds. Bridge Street is the general partner of the GS Funds.

F4 · balance_after: Goldman Sachs and GS Group may be deemed to beneficially own 7,703 Class A Shares acquired by Goldman Sachs or another wholly-owned broker or dealer subsidiary of GS Group in ordinary course trading activities.

F5 · balance_after: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any such Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

F4 · ownership.nature: Goldman Sachs and GS Group may be deemed to beneficially own 7,703 Class A Shares acquired by Goldman Sachs or another wholly-owned broker or dealer subsidiary of GS Group in ordinary course trading activities.

F5 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any such Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000899243-21-031378 · doc4.xml · nonDerivative · entry 1

GOLDMAN SACHS GROUP INC · CIK 0000886982 · 10% owner

GOLDMAN SACHS & CO. LLC · CIK 0000769993 · 10% owner

Broad Street Principal Investments, L.L.C. · CIK 0001575993 · 10% owner

StoneBridge 2017, L.P. · CIK 0001698772 · 10% owner

StoneBridge 2017 Offshore, L.P. · CIK 0001698770 · 10% owner

Bridge Street Opportunity Advisors, L.L.C. · CIK 0001615636 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 16,523

F1 · security: These transactions in the Class A Subordinate Voting Shares (the "Class A Shares") of MDC Partners Inc. (the "Issuer") have not previously been reported on Form 4 and were effected by Goldman Sachs & Co. LLC ("Goldman Sachs") acting as agent on behalf of certain international affiliates that had entered into riskless principal trades in connection with client trade facilitation in the ordinary course of their business.

F2 · security: Without conceding riskless principal trades in connection with client trade facilitation in the ordinary course of business can result in liability under Section 16(b) of the Securities Exchange Act of 1934 (the "Exchange Act"), the amount of profit potentially recoverable by the Issuer from the reported transactions in the event that they were subject to Section 16(b) will be remitted to the Issuer.

F3 · security: This statement is being filed by The Goldman Sachs Group, Inc. ("GS Group"), Goldman Sachs, Broad Street Principal Investments, L.L.C. ("BSPI"), StoneBridge 2017, L.P. ("StoneBridge 2017"), StoneBridge 2017 Offshore, L.P. ("StoneBridge 2017 Offshore", together with "StoneBridge 2017", the "GS Funds") and Bridge Street Opportunity Advisors, L.L.C ("Bridge Street"). Goldman Sachs is a subsidiary of GS Group. Goldman Sachs is the direct manager and owner of BSPI and Bridge Street and the investment manager of the GS Funds. Bridge Street is the general partner of the GS Funds.

F4 · balance_after: Goldman Sachs and GS Group may be deemed to beneficially own 7,703 Class A Shares acquired by Goldman Sachs or another wholly-owned broker or dealer subsidiary of GS Group in ordinary course trading activities.

F5 · balance_after: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any such Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

F4 · ownership.nature: Goldman Sachs and GS Group may be deemed to beneficially own 7,703 Class A Shares acquired by Goldman Sachs or another wholly-owned broker or dealer subsidiary of GS Group in ordinary course trading activities.

F5 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any such Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0001104659-20-063249 · tm2020088d1_4.xml · nonDerivative · entry 2

Lanuto Frank P · CIK 0001443237 · EVP, Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 199,000

F3 · price: The purchase price reported in Column 4 is an average price. These shares were purchased in multiple transactions at prices ranging from $1.175 to $1.24, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, 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 ranges set forth in this footnote.

F2 · balance_after: Includes 99,000 shares of unvested Restricted Stock (Class A Subordinate Voting Shares) of the Issuer.

SEC source: 0001104659-20-063249 · tm2020088d1_4.xml · nonDerivative · entry 1

Lanuto Frank P · CIK 0001443237 · EVP, Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 141,798

F1 · price: The purchase price reported in Column 4 is an average price. These shares were purchased in multiple transactions at prices ranging from $1.09 to $1.12, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, 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 ranges set forth in this footnote.

F2 · balance_after: Includes 99,000 shares of unvested Restricted Stock (Class A Subordinate Voting Shares) of the Issuer.

SEC source: 0001104659-20-062884 · tm2019939-1_4.xml · nonDerivative · entry 1

Penn Mark Jeffery · CIK 0001771735 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 14,385,714

F1 · price: The purchase price reported in Column 4 is an average price. These shares were purchased in multiple transactions at prices ranging from $1.085 and $1.11, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, 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 ranges set forth in this footnote.

F2 · ownership.nature: The Class A Subordinate Voting Shares purchased in this transaction were purchased directly by The Stagwell Group LLC ("Stagwell"). The Reporting Person is the controlling person of Stagwell. Following this transaction, Stagwell directly holds 100,000 Class A Subordinate Voting Shares of the Issuer. Stagwell is the manager of Stagwell Agency Holdings LLC, which directly holds 14,285,714 Class A Subordinate Voting Shares of the Issuer. The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001104659-20-041826 · tm2014716d1_4.xml · nonDerivative · entry 1

SIMON IRWIN D · CIK 0000922748 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 64,955

F1 · price: The purchase price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $1.325 to $1.36, inclusive. The reporting person undertakes to provide to MDC Partners Inc., any security holder of MDC Partners 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 ranges set forth in this footnote.

F2 · balance_after: Includes shares of unvested Restricted Stock (Class A Subordinate Voting Shares) of the Issuer.

SEC source: 0001104659-20-040671 · tm2014255d2_4.xml · nonDerivative · entry 1

ROGERS DESIREE G · CIK 0001182862 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 48,962

F1 · price: The purchase price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $1.64 and $1.68, inclusive. The reporting person undertakes to provide to MDC Partners Inc., any security holder of MDC Partners 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 ranges set forth in this footnote.

F2 · balance_after: Includes shares of unvested Registered Stock (Class A Subordinate Voting Shares) of the Issuer.

SEC source: 0001104659-20-040440 · tm2014255d1_4.xml · nonDerivative · entry 1

Oosterman Wade · CIK 0001587270 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,000

SEC source: 0001104659-20-042992 · tm2014879d1_4.xml · nonDerivative · entry 3

DIMAGGIO VINCENZO · CIK 0001808306 · SVP, Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 78,333

F1 · balance_after: Includes 58,333 shares of unvested Restricted Stock (Class A Subordinate Voting Shares) of the Issuer.

SEC source: 0001104659-20-064452 · tm2020387d1_4a.xml · nonDerivative · entry 1

Penn Mark Jeffery · CIK 0001771735 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 14,400,714

F1 · date: This amendment is to include a transaction inadvertently omitted from the Form 4 filed by the Reporting Person on March 26, 2020.

F2 · price: The purchase price reported in Column 4 is an average price. These shares were purchased in multiple transactions at prices ranging from $1.64 to $1.73, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote.

F3 · balance_after: The amount of securities beneficially owned reported in Column 5 reflects the number as of the date of filing of this amendment, and includes shares purchased and reported on Form 4 subsequent to the March 26, 2020 filing of the Form 4 that is the subject of this amendment.

F4 · ownership.nature: The Class A Subordinate Voting Shares purchased in this transaction were purchased directly by The Stagwell Group LLC ("Stagwell"). The Reporting Person is the controlling person of Stagwell. As of the date of filing of this amendment, Stagwell directly holds 115,000 Class A Subordinate Voting Shares of the Issuer. Stagwell is the manager of Stagwell Agency Holdings LLC, which directly holds 14,285,714 Class A Subordinate Voting Shares of the Issuer. The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001104659-20-038999 · tm2013996d1_4.xml · nonDerivative · entry 2

Penn Mark Jeffery · CIK 0001771735 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 14,335,714

F3 · price: The purchase price reported in Column 4 is an average price. These shares were purchased in multiple transactions at prices ranging from $1.34 and $1.48, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, 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 ranges set forth in this footnote.

F2 · ownership.nature: The Class A Subordinate Voting Shares purchased in this transaction were purchased directly by The Stagwell Group LLC ("Stagwell"). The Reporting Person is the controlling person of Stagwell. Stagwell is the manager of Stagwell Agency Holdings LLC, which directly holds 14,285,714 Class A Subordinate Voting Shares of the Issuer. The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001104659-20-043700 · tm2015117d1_4.xml · nonDerivative · entry 1

Ross David Corwin · CIK 0001699282 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 442,190

F1 · balance_after: Includes shares of unvested Restricted Stock (Class A Subordinate Voting Shares) of the Issuer.

SEC source: 0001104659-20-088532 · tm2026201d1_4a.xml · nonDerivative · entry 1

Ross David Corwin · CIK 0001699282 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 424,690

F1 · date: This amendment is being filed to include a transaction inadvertently omitted from the Form 4 filed by the Reporting Person on April 6, 2020.

F2 · balance_after: Includes shares of unvested Restricted Stock (Class A Subordinate Voting Shares) of the Issuer.

SEC source: 0001104659-20-038259 · tm2013791d1_4.xml · nonDerivative · entry 2

Lanuto Frank P · CIK 0001443237 · EVP, Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 124,000

F1 · balance_after: Includes 99,000 shares of unvested Restricted Stock (Class A Subordinate Voting Shares) of the Issuer.

SEC source: 0001104659-20-038999 · tm2013996d1_4.xml · nonDerivative · entry 1

Penn Mark Jeffery · CIK 0001771735 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 14,295,714

F1 · price: The purchase price reported in Column 4 is an average price. These shares were purchased in multiple transactions at prices ranging from $1.20 and $1.23, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, 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 ranges set forth in this footnote.

F2 · ownership.nature: The Class A Subordinate Voting Shares purchased in this transaction were purchased directly by The Stagwell Group LLC ("Stagwell"). The Reporting Person is the controlling person of Stagwell. Stagwell is the manager of Stagwell Agency Holdings LLC, which directly holds 14,285,714 Class A Subordinate Voting Shares of the Issuer. The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001104659-20-038259 · tm2013791d1_4.xml · nonDerivative · entry 1

Lanuto Frank P · CIK 0001443237 · EVP, Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 100,156

F1 · balance_after: Includes 99,000 shares of unvested Restricted Stock (Class A Subordinate Voting Shares) of the Issuer.

SEC source: 0001104659-20-038253 · tm2013791d2_4.xml · nonDerivative · entry 1

Ross David Corwin · CIK 0001699282 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 504,238

F1 · price: The purchase price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $1.0900 and $1.1000, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, 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 ranges set forth in this footnote.

F2 · balance_after: Includes unvested shares of Restricted Stock (Class A Subordinate Voting Shares) of the Issuer.

SEC source: 0001387131-20-003124 · ownership.xml · nonDerivative · entry 1

Penn Mark Jeffery · CIK 0001771735 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 602,500

F1 · balance_after: Includes 577,500 shares of unvested Restricted Stock (Class A Subordinate Voting Shares) of the Issuer.

SEC source: 0001387131-20-002808 · ownership.xml · nonDerivative · entry 3

BARSHEFSKY CHARLENE · CIK 0001145766 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,000

F3 · price: The purchase price reported in Column 4 is an average price. These shares were purchased in multiple transactions at prices ranging from $1.85 and $1.99, inclusive. The reporting person undertakes to provide to MDC Partners Inc., any security holder of MDC Partners 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 ranges set forth in this footnote.

SEC source: 0001387131-20-002808 · ownership.xml · nonDerivative · entry 2

BARSHEFSKY CHARLENE · CIK 0001145766 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,503

F1 · price: The purchase price reported in Column 4 is an average price. These shares were purchased in multiple transactions at prices ranging from $2.01 and $2.02, inclusive. The reporting person undertakes to provide to MDC Partners Inc., any security holder of MDC Partners 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 ranges set forth in this footnote.

SEC source: 0001387131-20-002808 · ownership.xml · nonDerivative · entry 1

BARSHEFSKY CHARLENE · CIK 0001145766 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,000

F2 · price: The purchase price reported in Column 4 is an average price. These shares were purchased in multiple transactions at prices ranging from $1.97 and $2.02, inclusive. The reporting person undertakes to provide to MDC Partners Inc., any security holder of MDC Partners 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 ranges set forth in this footnote.

SEC source: 0001104659-19-060621 · tv531779_4.xml · nonDerivative · entry 1

Lanuto Frank P · CIK 0001443237 · EVP, Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 99,000

F1 · shares: 99,000 shares of Restricted Stock (Class A Shares) of the Issuer were awarded on November 4, 2019. Shares will vest on December 31, 2022 subject to achievement of financial performance targets and continued employment.

F1 · balance_after: 99,000 shares of Restricted Stock (Class A Shares) of the Issuer were awarded on November 4, 2019. Shares will vest on December 31, 2022 subject to achievement of financial performance targets and continued employment.

SEC source: 0001104659-19-060624 · tv531782_4.xml · nonDerivative · entry 2

Mirsky Jonathan B. · CIK 0001780360 · EVP, General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 371,000

F2 · shares: 121,000 shares of Restricted Stock (Class A Shares) of the Issuer were awarded on November 4, 2019. Shares will vest on December 31, 2022 subject to achievement of financial performance targets and continued employment.

F1 · balance_after: Includes shares of unvested Restricted Stock (Class A Shares).

SEC source: 0001104659-19-060623 · tv531781_4.xml · nonDerivative · entry 1

Penn Mark Jeffery · CIK 0001771735 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 577,500

F1 · shares: 577,500 shares of Restricted Stock (Class A Shares) of the Issuer were awarded on November 4, 2019. Shares will vest on December 31, 2022 subject to achievement of financial performance targets and continued employment.

F1 · balance_after: 577,500 shares of Restricted Stock (Class A Shares) of the Issuer were awarded on November 4, 2019. Shares will vest on December 31, 2022 subject to achievement of financial performance targets and continued employment.

SEC source: 0001104659-19-060622 · tv531780_4.xml · nonDerivative · entry 2

Ross David Corwin · CIK 0001699282 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 469,238

F2 · shares: 200,000 shares of Restricted Stock (Class A Shares) of the Issuer were awarded on November 4, 2019. Shares will vest on December 31, 2022 subject to achievement of financial performance targets and continued employment.

F1 · balance_after: Includes shares of unvested Restricted Stock (Class A Shares) of the Issuer.

SEC source: 0001104659-20-042992 · tm2014879d1_4.xml · nonDerivative · entry 2

DIMAGGIO VINCENZO · CIK 0001808306 · SVP, Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,333

SEC source: 0001144204-19-037400 · tv526642_form4.xml · nonDerivative · entry 2

GOLDBERG DANIEL STEVEN · CIK 0001677239 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 180,272

F1 · balance_after: Includes shares of unvested Restricted Stock Units (Class A Shares) of the Issuer.

F2 · balance_after: A total of 5,000 shares of restricted stock units (Class A shares) vested on July 28, 2019. The Reporting Person elected to have a total of 1,718 Class A Shares withheld by the Issuer to satisfy tax withholding requirements.

SEC source: 0001144204-19-029881 · tv523107_4.xml · nonDerivative · entry 2

Ross David Corwin · CIK 0001699282 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 269,238

F2 · shares: 137,500 shares of Restricted Stock (Class A Shares) of the Issuer were awarded on June 4, 2019 subject to achievement of financial performance targets and continued employment. Shares will vest in two installments on or prior to March 1, 2020 and March 1, 2021.

F1 · balance_after: Includes shares of unvested Restricted Stock (Class A Shares) of the Issuer.

SEC source: 0001144204-19-027281 · tv522067_form4a.xml · nonDerivative · entry 2

O'DONOVAN ANNE MARIE · CIK 0001668795 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 17,832

F2 · date: The Form 4 filed May 13, 2019 requires amendment due to an error in order processing by the intermediary of the Reporting Person. The corrected footnote follows at FN 3 below.

F2 · price: The Form 4 filed May 13, 2019 requires amendment due to an error in order processing by the intermediary of the Reporting Person. The corrected footnote follows at FN 3 below.

F1 · balance_after: Includes shares of unvested Restricted Stock Units (Class A Shares) of the Issuer.

F3 · balance_after: A total of 17,832 Class A Shares of the Issuer were purchased by the Reporting Person, in the name of the Reporting Person's spouse, on the open market at a price per share of $3.31 on May 17, 2019.

F3 · ownership.nature: A total of 17,832 Class A Shares of the Issuer were purchased by the Reporting Person, in the name of the Reporting Person's spouse, on the open market at a price per share of $3.31 on May 17, 2019.

SEC source: 0001144204-19-025665 · tv521473_form4.xml · nonDerivative · entry 2

O'DONOVAN ANNE MARIE · CIK 0001668795 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 17,832

F2 · ownership.nature: A total of 17,832 Class A Shares of the Issuer were purchased by the Reporting Person, in the name of the Reporting Person's spouse, on the open market at a price per share of $2.91 on May 13, 2019.

SEC source: 0001144204-19-018767 · tv518165_4.xml · derivative · entry 1

Penn Mark Jeffery · CIK 0001771735 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,500,000

Underlying: Class A Shares · 1,500,000 shares

Expires 2024-03-18

F1 · security: SARs granted April 5, 2019 to the reporting person vest and are exercisable in three equal installments (each consisting of 500,000 underlying Class A Shares) on each of the first three (3) anniversaries of March 18, 2019, and expire on March 18, 2024. These SAR's shall be settled in the form of Class A Shares, subject to certain regulatory exceptions upon which the SARs may be settled in cash.

F1 · derivative.exercise_date: SARs granted April 5, 2019 to the reporting person vest and are exercisable in three equal installments (each consisting of 500,000 underlying Class A Shares) on each of the first three (3) anniversaries of March 18, 2019, and expire on March 18, 2024. These SAR's shall be settled in the form of Class A Shares, subject to certain regulatory exceptions upon which the SARs may be settled in cash.

SEC source: 0001144204-19-016802 · tv517464_form4.xml · nonDerivative · entry 2

ROGERS DESIREE G · CIK 0001182862 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,810

F2 · shares: A total of 23,820 Class A Shares of the Issuer were purchased by the reporting person on the open market at a per share price of $2.17 USD on March 28, 2019.

F1 · balance_after: Includes shares of unvested Restricted Stock (Class A Shares) of the Issuer.

F2 · balance_after: A total of 23,820 Class A Shares of the Issuer were purchased by the reporting person on the open market at a per share price of $2.17 USD on March 28, 2019.

SEC source: 0001144204-19-015505 · tv516949_4.xml · nonDerivative · entry 2

Gendel Mitchell · CIK 0001313565 · Gen. Counsel & Corp. Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 298,144

F2 · shares: A total of 10,000 Class A Shares of the Issuer were purchased by the Reporting Person on the open market at a per share price of $1.85 USD on March 22, 2019.

F1 · balance_after: Includes shares of unvested Restricted Stock (Class A Shares) of the Issuer.

SEC source: 0001144204-19-015212 · tv516698_4.xml · nonDerivative · entry 2

Kauffman Scott L · CIK 0001362627 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 604,357

F2 · shares: 142,348 shares of Restricted Stock (Class A Shares) of the Issuer were awarded on February 17, 2016 subject to achievement of financial performance targets. All 142,348 shares were forfeited as of March 13, 2019 due to the Company's failure to achieve such targets.

F1 · balance_after: Includes shares of unvested Restricted Stock (Class A Shares) of the Issuer.

SEC source: 0001144204-19-015211 · tv516697_4.xml · nonDerivative · entry 2

Ross David Corwin · CIK 0001699282 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 131,738

F2 · shares: 30,000 shares of Restricted Stock (Class A Shares) of the Issuer were awarded on February 17, 2016 subject to achievement of financial performance targets and continued employment. All 30,000 shares were forfeited as of March 13, 2019 due to the Company's failure to achieve such targets.

F1 · balance_after: Includes shares of unvested Restricted Stock (Class A Shares) of the Issuer.

SEC source: 0001144204-19-015210 · tv516696_4.xml · nonDerivative · entry 3

Doft David B. · CIK 0001409510 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 247,485

F3 · shares: 40,000 shares of Restricted Stock (Class A Shares) of the Issuer were awarded on February 17, 2016 subject to achievement of financial performance targets and continued employment. All 40,000 shares were forfeited as of March 13, 2019 due to the Company's failure to achieve such targets.

F2 · balance_after: Includes shares of unvested Restricted Stock (Class A Shares)