CTEV

SEC source: 0001104659-20-126455 · tm2036308d1_form4.xml · nonDerivative · entry 1

Klein Michael Stuart · CIK 0001327392 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See note

Disclosed balance after: 30,122,711

F1 · shares: Represents shares of Class A common stock purchased by M. Klein & Company, LLC in multiple transactions at prices ranging from $6.92 to $7.20. The price reported is a weighted average price. 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 of Common Stock sold at each separate price within the range set forth in this footnote (1).

F2 · balance_after: Includes shares of Class A common stock directly held by M. Klein & Company, LLC and Churchill Sponsor III, LLC.

F3 · ownership.nature: The Reporting Person has a minority interest in M. Klein & Company, LLC, and is the sole stockholder of M. Klein Associates, Inc., which is the managing member of Churchill Sponsor III, LLC. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 under the Securities Exchange Act of 1934, as amended, or otherwise, the Reporting Person is the beneficial owner of any securities reported herein. The Reporting Person disclaims beneficial ownership of any securities of the Issuer except to the extent of the Reporting Person's pecuniary interest therein.

SEC source: 0000899243-20-031674 · doc4.xml · nonDerivative · entry 1

Galant Paul · CIK 0001587958 · President, New Markets

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,500

F1 · price: The price reported is a weighted average price. 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 of Class A common stock purchased at each separate price.

SEC source: 0001104659-20-125958 · tm2036175-1_4.xml · nonDerivative · entry 1

Klein Michael Stuart · CIK 0001327392 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See note

Disclosed balance after: 29,422,711

F1 · shares: Represents shares of Class A common stock purchased by M. Klein & Company, LLC in multiple transactions at prices ranging from $6.88 to $7.60. The price reported is a weighted average price. 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 of Common Stock sold at each separate price within the range set forth in this footnote (1).

F2 · balance_after: Includes shares of Class A common stock directly held by M. Klein & Company, LLC and Churchill Sponsor III, LLC.

F3 · ownership.nature: The Reporting Person has a minority interest in M. Klein & Company, LLC, and is the sole stockholder of M. Klein Associates, Inc., which is the managing member of Churchill Sponsor III, LLC. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 under the Securities Exchange Act of 1934, as amended, or otherwise, the Reporting Person is the beneficial owner of any securities reported herein. The Reporting Person disclaims beneficial ownership of any securities of the Issuer except to the extent of the Reporting Person's pecuniary interest therein.

SEC source: 0001104659-20-125178 · tm2036022-1_4.xml · nonDerivative · entry 1

Klein Michael Stuart · CIK 0001327392 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See note

Disclosed balance after: 28,722,711

F1 · shares: Represents shares of Class A common stock purchased by M. Klein & Company, LLC in multiple transactions at prices ranging from $6.23 to $6.96. The price reported is a weighted average price. 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 of Common Stock sold at each separate price within the range set forth in this footnote (1).

F2 · balance_after: Includes shares of Class A common stock directly held by M. Klein & Company, LLC and Churchill Sponsor III, LLC.

F3 · ownership.nature: The Reporting Person has a minority interest in M. Klein & Company, LLC, and is the sole stockholder of M. Klein Associates, Inc., which is the managing member of Churchill Sponsor III, LLC. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 under the Securities Exchange Act of 1934, as amended, or otherwise, the Reporting Person is the beneficial owner of any securities reported herein. The Reporting Person disclaims beneficial ownership of any securities of the Issuer except to the extent of the Reporting Person's pecuniary interest therein.

SEC source: 0001104659-20-135850 · tm2038456-1_4.xml · nonDerivative · entry 2

Redmond David L. · CIK 0001827286 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,832,682

F1 · kind: Represents transfers by a trust for the benefit of Mr. Redmond's family to Mr. Redmond in connection with the long-term strategy for estate planning of Mr. Redmond and his family. In connection with the transfer of 941,956 shares of Class A common stock, Mr. Redmond transferred to such trust interests in a personal investment vehicle holding interests in real property and related assets and the transfer of 890,726 shares of Class A common stock was in satisfaction of a previously outstanding promissory note payable by the trust to Mr. Redmond.

F1 · price: Represents transfers by a trust for the benefit of Mr. Redmond's family to Mr. Redmond in connection with the long-term strategy for estate planning of Mr. Redmond and his family. In connection with the transfer of 941,956 shares of Class A common stock, Mr. Redmond transferred to such trust interests in a personal investment vehicle holding interests in real property and related assets and the transfer of 890,726 shares of Class A common stock was in satisfaction of a previously outstanding promissory note payable by the trust to Mr. Redmond.

SEC source: 0001104659-20-135850 · tm2038456-1_4.xml · nonDerivative · entry 1

Redmond David L. · CIK 0001827286 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 941,956

F1 · kind: Represents transfers by a trust for the benefit of Mr. Redmond's family to Mr. Redmond in connection with the long-term strategy for estate planning of Mr. Redmond and his family. In connection with the transfer of 941,956 shares of Class A common stock, Mr. Redmond transferred to such trust interests in a personal investment vehicle holding interests in real property and related assets and the transfer of 890,726 shares of Class A common stock was in satisfaction of a previously outstanding promissory note payable by the trust to Mr. Redmond.

F1 · price: Represents transfers by a trust for the benefit of Mr. Redmond's family to Mr. Redmond in connection with the long-term strategy for estate planning of Mr. Redmond and his family. In connection with the transfer of 941,956 shares of Class A common stock, Mr. Redmond transferred to such trust interests in a personal investment vehicle holding interests in real property and related assets and the transfer of 890,726 shares of Class A common stock was in satisfaction of a previously outstanding promissory note payable by the trust to Mr. Redmond.

SEC source: 0001104659-20-113533 · tm2032763d2_form4.xml · derivative · entry 5

Klein Michael Stuart · CIK 0001327392 · Director · 10% owner

M. Klein Associates, Inc. · CIK 0001751504 · 10% owner

Churchill Sponsor III LLC · CIK 0001793183 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See notes

Disclosed balance after: 24,500,000

Underlying: Class A common stock · 1,500,000 shares

Expires 2025-10-08

F5 · price: In connection the consummation of the Business Combination, the Issuer issued 1,500,000 warrants to purchase one share of Class A common stock of the Issuer, subject to adjustment pursuant to the terms of the warrants, to Sponsor in satisfaction of the $1,500,000 working capital loan from the Sponsor to the Issuer. The warrants become exercisable on November 7, 2020 and expire at 5:00 p.m., New York City time, on October 8, 2025, or earlier upon their redemption or the liquidation of the Issuer pursuant to the terms of the warrants.

F5 · derivative.underlying_shares: In connection the consummation of the Business Combination, the Issuer issued 1,500,000 warrants to purchase one share of Class A common stock of the Issuer, subject to adjustment pursuant to the terms of the warrants, to Sponsor in satisfaction of the $1,500,000 working capital loan from the Sponsor to the Issuer. The warrants become exercisable on November 7, 2020 and expire at 5:00 p.m., New York City time, on October 8, 2025, or earlier upon their redemption or the liquidation of the Issuer pursuant to the terms of the warrants.

F1 · ownership.nature: This Form 4 is filed by the following Reporting Persons: Michael Stuart Klein, M. Klein Associates, Inc., and Churchill Sponsor III LLC ("Sponsor"). Because of the relationships among the Reporting Persons, the Reporting Persons may be deemed to beneficially own the securities reported herein to the extent of their respective pecuniary interests.

F6 · ownership.nature: Mr. Klein has a minority interest in M. Klein & Company, LLC, and is the sole stockholder of M. Klein Associates, Inc., which is the managing member of Sponsor. Following the consummation of the Business Combination, the Reporting Persons own less than 10% of the outstanding Class A common stock of the Issuer. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 under the Securities Exchange Act of 1934, as amended, or otherwise, any of the Reporting Persons is the beneficial owner of any securities reported herein. The Reporting Persons disclaim beneficial ownership of any securities of the Issuer except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001104659-20-113533 · tm2032763d2_form4.xml · derivative · entry 4

Klein Michael Stuart · CIK 0001327392 · Director · 10% owner

M. Klein Associates, Inc. · CIK 0001751504 · 10% owner

Churchill Sponsor III LLC · CIK 0001793183 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See notes

Disclosed balance after: 27,500,000

Underlying: Class A common stock · 27,500,000 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.

F4 · derivative.exercise_price: Upon the consummation of the Issuer's business combination with Polaris Investment Holdings, L.P. on October 8, 2020 (the "Business Combination"), each issued and outstanding share of Class B common stock of the Issuer automatically converted into one share of Class A common stock of the Issuer pursuant to the Issuer's certificate of incorporation in effect prior to the Business Combination.

F4 · price: Upon the consummation of the Issuer's business combination with Polaris Investment Holdings, L.P. on October 8, 2020 (the "Business Combination"), each issued and outstanding share of Class B common stock of the Issuer automatically converted into one share of Class A common stock of the Issuer pursuant to the Issuer's certificate of incorporation in effect prior to the Business Combination.

F4 · derivative.exercise_date: Upon the consummation of the Issuer's business combination with Polaris Investment Holdings, L.P. on October 8, 2020 (the "Business Combination"), each issued and outstanding share of Class B common stock of the Issuer automatically converted into one share of Class A common stock of the Issuer pursuant to the Issuer's certificate of incorporation in effect prior to the Business Combination.

F4 · derivative.expiration_date: Upon the consummation of the Issuer's business combination with Polaris Investment Holdings, L.P. on October 8, 2020 (the "Business Combination"), each issued and outstanding share of Class B common stock of the Issuer automatically converted into one share of Class A common stock of the Issuer pursuant to the Issuer's certificate of incorporation in effect prior to the Business Combination.

F1 · ownership.nature: This Form 4 is filed by the following Reporting Persons: Michael Stuart Klein, M. Klein Associates, Inc., and Churchill Sponsor III LLC ("Sponsor"). Because of the relationships among the Reporting Persons, the Reporting Persons may be deemed to beneficially own the securities reported herein to the extent of their respective pecuniary interests.

F6 · ownership.nature: Mr. Klein has a minority interest in M. Klein & Company, LLC, and is the sole stockholder of M. Klein Associates, Inc., which is the managing member of Sponsor. Following the consummation of the Business Combination, the Reporting Persons own less than 10% of the outstanding Class A common stock of the Issuer. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 under the Securities Exchange Act of 1934, as amended, or otherwise, any of the Reporting Persons is the beneficial owner of any securities reported herein. The Reporting Persons disclaim beneficial ownership of any securities of the Issuer except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001104659-20-113533 · tm2032763d2_form4.xml · nonDerivative · entry 3

Klein Michael Stuart · CIK 0001327392 · Director · 10% owner

M. Klein Associates, Inc. · CIK 0001751504 · 10% owner

Churchill Sponsor III LLC · CIK 0001793183 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See notes

Disclosed balance after: 27,981,711

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 · price: Upon the consummation of the Issuer's business combination with Polaris Investment Holdings, L.P. on October 8, 2020 (the "Business Combination"), each issued and outstanding share of Class B common stock of the Issuer automatically converted into one share of Class A common stock of the Issuer pursuant to the Issuer's certificate of incorporation in effect prior to the Business Combination.

F1 · ownership.nature: This Form 4 is filed by the following Reporting Persons: Michael Stuart Klein, M. Klein Associates, Inc., and Churchill Sponsor III LLC ("Sponsor"). Because of the relationships among the Reporting Persons, the Reporting Persons may be deemed to beneficially own the securities reported herein to the extent of their respective pecuniary interests.

F6 · ownership.nature: Mr. Klein has a minority interest in M. Klein & Company, LLC, and is the sole stockholder of M. Klein Associates, Inc., which is the managing member of Sponsor. Following the consummation of the Business Combination, the Reporting Persons own less than 10% of the outstanding Class A common stock of the Issuer. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 under the Securities Exchange Act of 1934, as amended, or otherwise, any of the Reporting Persons is the beneficial owner of any securities reported herein. The Reporting Persons disclaim beneficial ownership of any securities of the Issuer except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001104659-20-114568 · tm2032942d1_4.xml · derivative · entry 3

AUGUST GLENN R · CIK 0001013025 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: Not disclosed

Underlying: Class A common stock · 38,461,550 shares

Expires 2027-10-15

F5 · derivative.exercise_price: The initial conversion rate on the Convertible Notes is 76.9231 shares of Common Stock (the "Conversion Rate") per $1,000 principal amount of Convertible Notes, equivalent to an initial conversion price of $13.00 per share of Common Stock. The Conversion Rate is subject to adjustment from time to time upon the occurrence of certain customary events and anti-dilution adjustments.

F4 · kind: Reflects a purchase by Oak Hill Advisors Entities of an aggregate principal amount of $500,000,000 of the Issuer's 6.00% / 7.00% Convertible Senior PIK Toggle Notes (the "Convertible Notes"). The Convertible Notes bear interest at a fixed annual rate equal to, at the Issuer's election, 6.00% for cash and 7.00% for in-kind interest. Interest will be paid semi-annually in arrears on April 15th and October 15th.

F4 · reported_value: Reflects a purchase by Oak Hill Advisors Entities of an aggregate principal amount of $500,000,000 of the Issuer's 6.00% / 7.00% Convertible Senior PIK Toggle Notes (the "Convertible Notes"). The Convertible Notes bear interest at a fixed annual rate equal to, at the Issuer's election, 6.00% for cash and 7.00% for in-kind interest. Interest will be paid semi-annually in arrears on April 15th and October 15th.

F4 · price: Reflects a purchase by Oak Hill Advisors Entities of an aggregate principal amount of $500,000,000 of the Issuer's 6.00% / 7.00% Convertible Senior PIK Toggle Notes (the "Convertible Notes"). The Convertible Notes bear interest at a fixed annual rate equal to, at the Issuer's election, 6.00% for cash and 7.00% for in-kind interest. Interest will be paid semi-annually in arrears on April 15th and October 15th.

F6 · derivative.expiration_date: The Convertible Notes mature on October 15, 2027, subject to earlier redemption or conversion in accordance with their terms.

F7 · derivative.underlying_shares: Upon conversion, the Issuer may elect to settle its conversion obligation in cash, shares of Common Stock or a combination thereof. This number represents the number of shares of Common Stock issuable upon conversion of the Convertible Notes assuming no accrued in-kind interest and settlement of the conversion obligation by the Issuer solely through shares of Common Stock by delivering a number of shares of Common Stock at the initial Conversion Rate, and cash in lieu of fractional shares of Common Stock.

F4 · valueOwnedAfter: Reflects a purchase by Oak Hill Advisors Entities of an aggregate principal amount of $500,000,000 of the Issuer's 6.00% / 7.00% Convertible Senior PIK Toggle Notes (the "Convertible Notes"). The Convertible Notes bear interest at a fixed annual rate equal to, at the Issuer's election, 6.00% for cash and 7.00% for in-kind interest. Interest will be paid semi-annually in arrears on April 15th and October 15th.

F2 · ownership.nature: Reflects securities held by client accounts (each, an "Oak Hill Advisors Entity") advised and/or managed by Oak Hill Advisors, L.P. and/or its affiliates. As an advisor or manager to the Oak Hill Advisors Entities, Oak Hill Advisors, L.P. may be deemed to have the power to vote or direct the vote of, and the power to dispose or to direct the disposition of, the shares of Class A common stock owned by such entities.

F3 · ownership.nature: Oak Hill Advisors, L.P. and its affiliates are managed or otherwise controlled directly or indirectly by Glenn R. August, who is the Founder, Senior Partner and Chief Executive Officer of Oak Hill Advisors, L.P. The interests beneficially owned by the Oak Hill Advisors Entities may be deemed to be beneficially owned by Mr. August, Oak Hill Advisors, L.P. and/or its affiliates. Mr. August, Oak Hill Advisors, L.P. and/or its affiliates disclaim beneficial ownership of shares of our Class A common stock beyond their respective pecuniary interest in the Oak Hill Advisors Entities for purposes of Section 16 under the Securities Exchange Act of 1934, as amended.

SEC source: 0001104659-20-114568 · tm2032942d1_4.xml · derivative · entry 2

AUGUST GLENN R · CIK 0001013025 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 125,000

Underlying: Class A common stock · 125,000 shares

Expires 2025-10-08

F1 · kind: Reflects a purchase by Oak Hill Advisors Entities (as defined below) pursuant to a subscription agreement with MultiPlan Corporation (formerly known as Churchill Capital Corp. III) (the "Issuer") of (x) 2,525,000 shares of the Class A common stock of the Issuer ("Common Stock") for an aggregate purchase price of $25,000,000, or approximately $9.90 per share, and (y) 125,000 warrants (the "Warrants") to purchase an aggregate of 125,000 shares of the Common Stock (calculated as 1/20th of a Warrant received for each share of Common Stock purchased pursuant to the subscription agreement).

F1 · price: Reflects a purchase by Oak Hill Advisors Entities (as defined below) pursuant to a subscription agreement with MultiPlan Corporation (formerly known as Churchill Capital Corp. III) (the "Issuer") of (x) 2,525,000 shares of the Class A common stock of the Issuer ("Common Stock") for an aggregate purchase price of $25,000,000, or approximately $9.90 per share, and (y) 125,000 warrants (the "Warrants") to purchase an aggregate of 125,000 shares of the Common Stock (calculated as 1/20th of a Warrant received for each share of Common Stock purchased pursuant to the subscription agreement).

F2 · ownership.nature: Reflects securities held by client accounts (each, an "Oak Hill Advisors Entity") advised and/or managed by Oak Hill Advisors, L.P. and/or its affiliates. As an advisor or manager to the Oak Hill Advisors Entities, Oak Hill Advisors, L.P. may be deemed to have the power to vote or direct the vote of, and the power to dispose or to direct the disposition of, the shares of Class A common stock owned by such entities.

F3 · ownership.nature: Oak Hill Advisors, L.P. and its affiliates are managed or otherwise controlled directly or indirectly by Glenn R. August, who is the Founder, Senior Partner and Chief Executive Officer of Oak Hill Advisors, L.P. The interests beneficially owned by the Oak Hill Advisors Entities may be deemed to be beneficially owned by Mr. August, Oak Hill Advisors, L.P. and/or its affiliates. Mr. August, Oak Hill Advisors, L.P. and/or its affiliates disclaim beneficial ownership of shares of our Class A common stock beyond their respective pecuniary interest in the Oak Hill Advisors Entities for purposes of Section 16 under the Securities Exchange Act of 1934, as amended.

SEC source: 0001104659-20-114568 · tm2032942d1_4.xml · nonDerivative · entry 1

AUGUST GLENN R · CIK 0001013025 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 2,525,000

F1 · kind: Reflects a purchase by Oak Hill Advisors Entities (as defined below) pursuant to a subscription agreement with MultiPlan Corporation (formerly known as Churchill Capital Corp. III) (the "Issuer") of (x) 2,525,000 shares of the Class A common stock of the Issuer ("Common Stock") for an aggregate purchase price of $25,000,000, or approximately $9.90 per share, and (y) 125,000 warrants (the "Warrants") to purchase an aggregate of 125,000 shares of the Common Stock (calculated as 1/20th of a Warrant received for each share of Common Stock purchased pursuant to the subscription agreement).

F1 · price: Reflects a purchase by Oak Hill Advisors Entities (as defined below) pursuant to a subscription agreement with MultiPlan Corporation (formerly known as Churchill Capital Corp. III) (the "Issuer") of (x) 2,525,000 shares of the Class A common stock of the Issuer ("Common Stock") for an aggregate purchase price of $25,000,000, or approximately $9.90 per share, and (y) 125,000 warrants (the "Warrants") to purchase an aggregate of 125,000 shares of the Common Stock (calculated as 1/20th of a Warrant received for each share of Common Stock purchased pursuant to the subscription agreement).

F2 · ownership.nature: Reflects securities held by client accounts (each, an "Oak Hill Advisors Entity") advised and/or managed by Oak Hill Advisors, L.P. and/or its affiliates. As an advisor or manager to the Oak Hill Advisors Entities, Oak Hill Advisors, L.P. may be deemed to have the power to vote or direct the vote of, and the power to dispose or to direct the disposition of, the shares of Class A common stock owned by such entities.

F3 · ownership.nature: Oak Hill Advisors, L.P. and its affiliates are managed or otherwise controlled directly or indirectly by Glenn R. August, who is the Founder, Senior Partner and Chief Executive Officer of Oak Hill Advisors, L.P. The interests beneficially owned by the Oak Hill Advisors Entities may be deemed to be beneficially owned by Mr. August, Oak Hill Advisors, L.P. and/or its affiliates. Mr. August, Oak Hill Advisors, L.P. and/or its affiliates disclaim beneficial ownership of shares of our Class A common stock beyond their respective pecuniary interest in the Oak Hill Advisors Entities for purposes of Section 16 under the Securities Exchange Act of 1934, as amended.

SEC source: 0000899243-20-028049 · doc4.xml · nonDerivative · entry 1

White Dale A. · CIK 0001827254 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,066,106

F1 · kind: Reflects shares of Class A common stock of the Issuer ("Common Stock") received pursuant to an Agreement and Plan of Merger, dated July 12, 2020 (the "Merger Agreement"), by and among the Issuer (formerly known as Churchill Capital Corp III), Polaris Parent Corp. ("MultiPlan Parent"), Polaris Investment Holdings, L.P., Music Merger Sub I, Inc. and Music Merger Sub II LLC, pursuant to which Music Merger Sub I, Inc. merged with MultiPlan Parent, with MultiPlan Parent surviving, and MultiPlan Parent merged with and into Music Merger Sub II LLC, with Music Merger Sub II LLC surviving the merger as a wholly owned subsidiary of the Issuer (which changed its name to MultiPlan Corporation) Pursuant to the Merger Agreement, former stockholders of MultiPlan Parent received their pro rata portion of the merger consideration, which was equal to $5,678,000,000, paid in a combination of $1,521,000,000 cash with the remainder paid in shares of Common Stock in an amount equal to $10.00 per share.

F1 · price: Reflects shares of Class A common stock of the Issuer ("Common Stock") received pursuant to an Agreement and Plan of Merger, dated July 12, 2020 (the "Merger Agreement"), by and among the Issuer (formerly known as Churchill Capital Corp III), Polaris Parent Corp. ("MultiPlan Parent"), Polaris Investment Holdings, L.P., Music Merger Sub I, Inc. and Music Merger Sub II LLC, pursuant to which Music Merger Sub I, Inc. merged with MultiPlan Parent, with MultiPlan Parent surviving, and MultiPlan Parent merged with and into Music Merger Sub II LLC, with Music Merger Sub II LLC surviving the merger as a wholly owned subsidiary of the Issuer (which changed its name to MultiPlan Corporation) Pursuant to the Merger Agreement, former stockholders of MultiPlan Parent received their pro rata portion of the merger consideration, which was equal to $5,678,000,000, paid in a combination of $1,521,000,000 cash with the remainder paid in shares of Common Stock in an amount equal to $10.00 per share.

SEC source: 0000899243-20-028050 · doc4.xml · nonDerivative · entry 3

Tabak Mark · CIK 0001827273 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 4,433,296

F1 · kind: Reflects shares of Class A common stock of the Issuer ("Common Stock") received pursuant to an Agreement and Plan of Merger, dated July 12, 2020 (the "Merger Agreement"), by and among the Issuer (formerly known as Churchill Capital Corp III), Polaris Parent Corp. ("MultiPlan Parent"), Polaris Investment Holdings, L.P., Music Merger Sub I, Inc. and Music Merger Sub II LLC, pursuant to which Music Merger Sub I, Inc. merged with MultiPlan Parent, with MultiPlan Parent surviving, and MultiPlan Parent merged with and into Music Merger Sub II LLC, with Music Merger Sub II LLC surviving the merger as a wholly owned subsidiary of the Issuer (which changed its name to MultiPlan Corporation). Pursuant to the Merger Agreement, former stockholders of MultiPlan Parent received their pro rata portion of the merger consideration, which was equal to $5,678,000,000, paid in a combination of $1,521,000,000 cash with the remainder paid in shares of Common Stock in an amount equal to $10.00 per share.

F1 · price: Reflects shares of Class A common stock of the Issuer ("Common Stock") received pursuant to an Agreement and Plan of Merger, dated July 12, 2020 (the "Merger Agreement"), by and among the Issuer (formerly known as Churchill Capital Corp III), Polaris Parent Corp. ("MultiPlan Parent"), Polaris Investment Holdings, L.P., Music Merger Sub I, Inc. and Music Merger Sub II LLC, pursuant to which Music Merger Sub I, Inc. merged with MultiPlan Parent, with MultiPlan Parent surviving, and MultiPlan Parent merged with and into Music Merger Sub II LLC, with Music Merger Sub II LLC surviving the merger as a wholly owned subsidiary of the Issuer (which changed its name to MultiPlan Corporation). Pursuant to the Merger Agreement, former stockholders of MultiPlan Parent received their pro rata portion of the merger consideration, which was equal to $5,678,000,000, paid in a combination of $1,521,000,000 cash with the remainder paid in shares of Common Stock in an amount equal to $10.00 per share.

F3 · ownership.nature: Reflects securities directly held the Lindsay Levin 2012 Dynasty Trust, dated July 11, 2012, of which Mr. Tabak's spouse is the trustee.

SEC source: 0000899243-20-028050 · doc4.xml · nonDerivative · entry 2

Tabak Mark · CIK 0001827273 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 4,433,296

F1 · kind: Reflects shares of Class A common stock of the Issuer ("Common Stock") received pursuant to an Agreement and Plan of Merger, dated July 12, 2020 (the "Merger Agreement"), by and among the Issuer (formerly known as Churchill Capital Corp III), Polaris Parent Corp. ("MultiPlan Parent"), Polaris Investment Holdings, L.P., Music Merger Sub I, Inc. and Music Merger Sub II LLC, pursuant to which Music Merger Sub I, Inc. merged with MultiPlan Parent, with MultiPlan Parent surviving, and MultiPlan Parent merged with and into Music Merger Sub II LLC, with Music Merger Sub II LLC surviving the merger as a wholly owned subsidiary of the Issuer (which changed its name to MultiPlan Corporation). Pursuant to the Merger Agreement, former stockholders of MultiPlan Parent received their pro rata portion of the merger consideration, which was equal to $5,678,000,000, paid in a combination of $1,521,000,000 cash with the remainder paid in shares of Common Stock in an amount equal to $10.00 per share.

F1 · price: Reflects shares of Class A common stock of the Issuer ("Common Stock") received pursuant to an Agreement and Plan of Merger, dated July 12, 2020 (the "Merger Agreement"), by and among the Issuer (formerly known as Churchill Capital Corp III), Polaris Parent Corp. ("MultiPlan Parent"), Polaris Investment Holdings, L.P., Music Merger Sub I, Inc. and Music Merger Sub II LLC, pursuant to which Music Merger Sub I, Inc. merged with MultiPlan Parent, with MultiPlan Parent surviving, and MultiPlan Parent merged with and into Music Merger Sub II LLC, with Music Merger Sub II LLC surviving the merger as a wholly owned subsidiary of the Issuer (which changed its name to MultiPlan Corporation). Pursuant to the Merger Agreement, former stockholders of MultiPlan Parent received their pro rata portion of the merger consideration, which was equal to $5,678,000,000, paid in a combination of $1,521,000,000 cash with the remainder paid in shares of Common Stock in an amount equal to $10.00 per share.

F2 · ownership.nature: Reflects securities directly held by the Lauren Fass 2012 Dynasty Trust, dated July 11, 2012, of which Mr. Tabak's spouse is the trustee.

SEC source: 0000899243-20-028050 · doc4.xml · nonDerivative · entry 1

Tabak Mark · CIK 0001827273 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,023,609

F1 · kind: Reflects shares of Class A common stock of the Issuer ("Common Stock") received pursuant to an Agreement and Plan of Merger, dated July 12, 2020 (the "Merger Agreement"), by and among the Issuer (formerly known as Churchill Capital Corp III), Polaris Parent Corp. ("MultiPlan Parent"), Polaris Investment Holdings, L.P., Music Merger Sub I, Inc. and Music Merger Sub II LLC, pursuant to which Music Merger Sub I, Inc. merged with MultiPlan Parent, with MultiPlan Parent surviving, and MultiPlan Parent merged with and into Music Merger Sub II LLC, with Music Merger Sub II LLC surviving the merger as a wholly owned subsidiary of the Issuer (which changed its name to MultiPlan Corporation). Pursuant to the Merger Agreement, former stockholders of MultiPlan Parent received their pro rata portion of the merger consideration, which was equal to $5,678,000,000, paid in a combination of $1,521,000,000 cash with the remainder paid in shares of Common Stock in an amount equal to $10.00 per share.

F1 · price: Reflects shares of Class A common stock of the Issuer ("Common Stock") received pursuant to an Agreement and Plan of Merger, dated July 12, 2020 (the "Merger Agreement"), by and among the Issuer (formerly known as Churchill Capital Corp III), Polaris Parent Corp. ("MultiPlan Parent"), Polaris Investment Holdings, L.P., Music Merger Sub I, Inc. and Music Merger Sub II LLC, pursuant to which Music Merger Sub I, Inc. merged with MultiPlan Parent, with MultiPlan Parent surviving, and MultiPlan Parent merged with and into Music Merger Sub II LLC, with Music Merger Sub II LLC surviving the merger as a wholly owned subsidiary of the Issuer (which changed its name to MultiPlan Corporation). Pursuant to the Merger Agreement, former stockholders of MultiPlan Parent received their pro rata portion of the merger consideration, which was equal to $5,678,000,000, paid in a combination of $1,521,000,000 cash with the remainder paid in shares of Common Stock in an amount equal to $10.00 per share.

SEC source: 0000899243-20-028046 · doc4.xml · nonDerivative · entry 1

Doctoroff Jeffrey · CIK 0001827263 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 301,464

F1 · kind: Reflects shares of Class A common stock of the Issuer ("Common Stock") received pursuant to an Agreement and Plan of Merger, dated July 12, 2020 (the "Merger Agreement"), by and among the Issuer (formerly known as Churchill Capital Corp III), Polaris Parent Corp. ("MultiPlan Parent"), Polaris Investment Holdings, L.P., Music Merger Sub I, Inc. and Music Merger Sub II LLC, pursuant to which Music Merger Sub I, Inc. merged with MultiPlan Parent, with MultiPlan Parent surviving, and MultiPlan Parent merged with and into Music Merger Sub II LLC, with Music Merger Sub II LLC surviving the merger as a wholly owned subsidiary of the Issuer (which changed its name to MultiPlan Corporation). Pursuant to the Merger Agreement, former stockholders of MultiPlan Parent received their pro rata portion of the merger consideration, which was equal to $5,678,000,000, paid in a combination of $1,521,000,000 cash with the remainder paid in shares of Common Stock in an amount equal to $10.00 per share.

F1 · price: Reflects shares of Class A common stock of the Issuer ("Common Stock") received pursuant to an Agreement and Plan of Merger, dated July 12, 2020 (the "Merger Agreement"), by and among the Issuer (formerly known as Churchill Capital Corp III), Polaris Parent Corp. ("MultiPlan Parent"), Polaris Investment Holdings, L.P., Music Merger Sub I, Inc. and Music Merger Sub II LLC, pursuant to which Music Merger Sub I, Inc. merged with MultiPlan Parent, with MultiPlan Parent surviving, and MultiPlan Parent merged with and into Music Merger Sub II LLC, with Music Merger Sub II LLC surviving the merger as a wholly owned subsidiary of the Issuer (which changed its name to MultiPlan Corporation). Pursuant to the Merger Agreement, former stockholders of MultiPlan Parent received their pro rata portion of the merger consideration, which was equal to $5,678,000,000, paid in a combination of $1,521,000,000 cash with the remainder paid in shares of Common Stock in an amount equal to $10.00 per share.

SEC source: 0000899243-20-028052 · doc4.xml · nonDerivative · entry 6

Thorpe Allen R · CIK 0001405076 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 37,677,074

F1 · kind: Reflects shares of Class A common stock of the Issuer ("Common Stock") received pursuant to an Agreement and Plan of Merger, dated July 12, 2020 (the "Merger Agreement"), by and among the Issuer (formerly known as Churchill Capital Corp III), Polaris Parent Corp. ("MultiPlan Parent"), Polaris Investment Holdings, L.P., Music Merger Sub I, Inc. and Music Merger Sub II LLC, pursuant to which Music Merger Sub I, Inc. merged with MultiPlan Parent, with MultiPlan Parent surviving, and MultiPlan Parent merged with and into Music Merger Sub II LLC, with Music Merger Sub II LLC surviving the merger as a wholly owned subsidiary of the Issuer (which changed its name to MultiPlan Corporation). Pursuant to the Merger Agreement, former stockholders of MultiPlan Parent received their pro rata portion of the merger consideration, which was equal to $5,678,000,000, paid in a combination of $1,521,000,000 cash with the remainder paid in shares of Common Stock in an amount equal to $10.00 per share.

F1 · price: Reflects shares of Class A common stock of the Issuer ("Common Stock") received pursuant to an Agreement and Plan of Merger, dated July 12, 2020 (the "Merger Agreement"), by and among the Issuer (formerly known as Churchill Capital Corp III), Polaris Parent Corp. ("MultiPlan Parent"), Polaris Investment Holdings, L.P., Music Merger Sub I, Inc. and Music Merger Sub II LLC, pursuant to which Music Merger Sub I, Inc. merged with MultiPlan Parent, with MultiPlan Parent surviving, and MultiPlan Parent merged with and into Music Merger Sub II LLC, with Music Merger Sub II LLC surviving the merger as a wholly owned subsidiary of the Issuer (which changed its name to MultiPlan Corporation). Pursuant to the Merger Agreement, former stockholders of MultiPlan Parent received their pro rata portion of the merger consideration, which was equal to $5,678,000,000, paid in a combination of $1,521,000,000 cash with the remainder paid in shares of Common Stock in an amount equal to $10.00 per share.

F7 · ownership.nature: Reflects securities directly held by H&F Polaris Partners, L.P. ("Polaris Partners"), the general partner of which is H&F Polaris Partners GP, LLC, the managing member of which is HFCP VIII.

F8 · ownership.nature: Hellman & Friedman Investors VIII, L.P. ("H&F Investors VIII") is the general partner of each of the H&F VIII Funds. H&F Corporate Investors VIII, Ltd. ("H&F VIII") is the general partner of H&F Investors VIII. A three member board of directors of H&F VIII has investment discretion over the shares held by the H&F VIII Funds and Polaris Partners. Allen R. Thorpe, a member of the board of directors ofMultiPlan Corporation is a member of the board of directors of H&F VIII.

SEC source: 0000899243-20-028052 · doc4.xml · nonDerivative · entry 5

Thorpe Allen R · CIK 0001405076 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 496,709

F1 · kind: Reflects shares of Class A common stock of the Issuer ("Common Stock") received pursuant to an Agreement and Plan of Merger, dated July 12, 2020 (the "Merger Agreement"), by and among the Issuer (formerly known as Churchill Capital Corp III), Polaris Parent Corp. ("MultiPlan Parent"), Polaris Investment Holdings, L.P., Music Merger Sub I, Inc. and Music Merger Sub II LLC, pursuant to which Music Merger Sub I, Inc. merged with MultiPlan Parent, with MultiPlan Parent surviving, and MultiPlan Parent merged with and into Music Merger Sub II LLC, with Music Merger Sub II LLC surviving the merger as a wholly owned subsidiary of the Issuer (which changed its name to MultiPlan Corporation). Pursuant to the Merger Agreement, former stockholders of MultiPlan Parent received their pro rata portion of the merger consideration, which was equal to $5,678,000,000, paid in a combination of $1,521,000,000 cash with the remainder paid in shares of Common Stock in an amount equal to $10.00 per share.

F1 · price: Reflects shares of Class A common stock of the Issuer ("Common Stock") received pursuant to an Agreement and Plan of Merger, dated July 12, 2020 (the "Merger Agreement"), by and among the Issuer (formerly known as Churchill Capital Corp III), Polaris Parent Corp. ("MultiPlan Parent"), Polaris Investment Holdings, L.P., Music Merger Sub I, Inc. and Music Merger Sub II LLC, pursuant to which Music Merger Sub I, Inc. merged with MultiPlan Parent, with MultiPlan Parent surviving, and MultiPlan Parent merged with and into Music Merger Sub II LLC, with Music Merger Sub II LLC surviving the merger as a wholly owned subsidiary of the Issuer (which changed its name to MultiPlan Corporation). Pursuant to the Merger Agreement, former stockholders of MultiPlan Parent received their pro rata portion of the merger consideration, which was equal to $5,678,000,000, paid in a combination of $1,521,000,000 cash with the remainder paid in shares of Common Stock in an amount equal to $10.00 per share.

F6 · ownership.nature: Reflects securities directly held by H&F Associates VIII, L.P. ("H&F VIII Associates", and together with HFCP VIII, HFCP VIII Parallel, HFCP VIII Parallel-A and H&F VIII Executives, the "H&F VIII Funds").

F8 · ownership.nature: Hellman & Friedman Investors VIII, L.P. ("H&F Investors VIII") is the general partner of each of the H&F VIII Funds. H&F Corporate Investors VIII, Ltd. ("H&F VIII") is the general partner of H&F Investors VIII. A three member board of directors of H&F VIII has investment discretion over the shares held by the H&F VIII Funds and Polaris Partners. Allen R. Thorpe, a member of the board of directors ofMultiPlan Corporation is a member of the board of directors of H&F VIII.

SEC source: 0000899243-20-028052 · doc4.xml · nonDerivative · entry 4

Thorpe Allen R · CIK 0001405076 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 2,953,631

F1 · kind: Reflects shares of Class A common stock of the Issuer ("Common Stock") received pursuant to an Agreement and Plan of Merger, dated July 12, 2020 (the "Merger Agreement"), by and among the Issuer (formerly known as Churchill Capital Corp III), Polaris Parent Corp. ("MultiPlan Parent"), Polaris Investment Holdings, L.P., Music Merger Sub I, Inc. and Music Merger Sub II LLC, pursuant to which Music Merger Sub I, Inc. merged with MultiPlan Parent, with MultiPlan Parent surviving, and MultiPlan Parent merged with and into Music Merger Sub II LLC, with Music Merger Sub II LLC surviving the merger as a wholly owned subsidiary of the Issuer (which changed its name to MultiPlan Corporation). Pursuant to the Merger Agreement, former stockholders of MultiPlan Parent received their pro rata portion of the merger consideration, which was equal to $5,678,000,000, paid in a combination of $1,521,000,000 cash with the remainder paid in shares of Common Stock in an amount equal to $10.00 per share.

F1 · price: Reflects shares of Class A common stock of the Issuer ("Common Stock") received pursuant to an Agreement and Plan of Merger, dated July 12, 2020 (the "Merger Agreement"), by and among the Issuer (formerly known as Churchill Capital Corp III), Polaris Parent Corp. ("MultiPlan Parent"), Polaris Investment Holdings, L.P., Music Merger Sub I, Inc. and Music Merger Sub II LLC, pursuant to which Music Merger Sub I, Inc. merged with MultiPlan Parent, with MultiPlan Parent surviving, and MultiPlan Parent merged with and into Music Merger Sub II LLC, with Music Merger Sub II LLC surviving the merger as a wholly owned subsidiary of the Issuer (which changed its name to MultiPlan Corporation). Pursuant to the Merger Agreement, former stockholders of MultiPlan Parent received their pro rata portion of the merger consideration, which was equal to $5,678,000,000, paid in a combination of $1,521,000,000 cash with the remainder paid in shares of Common Stock in an amount equal to $10.00 per share.

F5 · ownership.nature: Reflects securities directly held by H&F Executives VIII, L.P. ("H&F VIII Executives").

F8 · ownership.nature: Hellman & Friedman Investors VIII, L.P. ("H&F Investors VIII") is the general partner of each of the H&F VIII Funds. H&F Corporate Investors VIII, Ltd. ("H&F VIII") is the general partner of H&F Investors VIII. A three member board of directors of H&F VIII has investment discretion over the shares held by the H&F VIII Funds and Polaris Partners. Allen R. Thorpe, a member of the board of directors ofMultiPlan Corporation is a member of the board of directors of H&F VIII.

SEC source: 0000899243-20-028052 · doc4.xml · nonDerivative · entry 3

Thorpe Allen R · CIK 0001405076 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 9,549,505

F1 · kind: Reflects shares of Class A common stock of the Issuer ("Common Stock") received pursuant to an Agreement and Plan of Merger, dated July 12, 2020 (the "Merger Agreement"), by and among the Issuer (formerly known as Churchill Capital Corp III), Polaris Parent Corp. ("MultiPlan Parent"), Polaris Investment Holdings, L.P., Music Merger Sub I, Inc. and Music Merger Sub II LLC, pursuant to which Music Merger Sub I, Inc. merged with MultiPlan Parent, with MultiPlan Parent surviving, and MultiPlan Parent merged with and into Music Merger Sub II LLC, with Music Merger Sub II LLC surviving the merger as a wholly owned subsidiary of the Issuer (which changed its name to MultiPlan Corporation). Pursuant to the Merger Agreement, former stockholders of MultiPlan Parent received their pro rata portion of the merger consideration, which was equal to $5,678,000,000, paid in a combination of $1,521,000,000 cash with the remainder paid in shares of Common Stock in an amount equal to $10.00 per share.

F1 · price: Reflects shares of Class A common stock of the Issuer ("Common Stock") received pursuant to an Agreement and Plan of Merger, dated July 12, 2020 (the "Merger Agreement"), by and among the Issuer (formerly known as Churchill Capital Corp III), Polaris Parent Corp. ("MultiPlan Parent"), Polaris Investment Holdings, L.P., Music Merger Sub I, Inc. and Music Merger Sub II LLC, pursuant to which Music Merger Sub I, Inc. merged with MultiPlan Parent, with MultiPlan Parent surviving, and MultiPlan Parent merged with and into Music Merger Sub II LLC, with Music Merger Sub II LLC surviving the merger as a wholly owned subsidiary of the Issuer (which changed its name to MultiPlan Corporation). Pursuant to the Merger Agreement, former stockholders of MultiPlan Parent received their pro rata portion of the merger consideration, which was equal to $5,678,000,000, paid in a combination of $1,521,000,000 cash with the remainder paid in shares of Common Stock in an amount equal to $10.00 per share.

F4 · ownership.nature: Reflects securities directly held by HFCP VIII (Parallel-A), L.P. ("HFCP VIII Parallel-A").

F8 · ownership.nature: Hellman & Friedman Investors VIII, L.P. ("H&F Investors VIII") is the general partner of each of the H&F VIII Funds. H&F Corporate Investors VIII, Ltd. ("H&F VIII") is the general partner of H&F Investors VIII. A three member board of directors of H&F VIII has investment discretion over the shares held by the H&F VIII Funds and Polaris Partners. Allen R. Thorpe, a member of the board of directors ofMultiPlan Corporation is a member of the board of directors of H&F VIII.

SEC source: 0000899243-20-028052 · doc4.xml · nonDerivative · entry 2

Thorpe Allen R · CIK 0001405076 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 50,532,114

F1 · kind: Reflects shares of Class A common stock of the Issuer ("Common Stock") received pursuant to an Agreement and Plan of Merger, dated July 12, 2020 (the "Merger Agreement"), by and among the Issuer (formerly known as Churchill Capital Corp III), Polaris Parent Corp. ("MultiPlan Parent"), Polaris Investment Holdings, L.P., Music Merger Sub I, Inc. and Music Merger Sub II LLC, pursuant to which Music Merger Sub I, Inc. merged with MultiPlan Parent, with MultiPlan Parent surviving, and MultiPlan Parent merged with and into Music Merger Sub II LLC, with Music Merger Sub II LLC surviving the merger as a wholly owned subsidiary of the Issuer (which changed its name to MultiPlan Corporation). Pursuant to the Merger Agreement, former stockholders of MultiPlan Parent received their pro rata portion of the merger consideration, which was equal to $5,678,000,000, paid in a combination of $1,521,000,000 cash with the remainder paid in shares of Common Stock in an amount equal to $10.00 per share.

F1 · price: Reflects shares of Class A common stock of the Issuer ("Common Stock") received pursuant to an Agreement and Plan of Merger, dated July 12, 2020 (the "Merger Agreement"), by and among the Issuer (formerly known as Churchill Capital Corp III), Polaris Parent Corp. ("MultiPlan Parent"), Polaris Investment Holdings, L.P., Music Merger Sub I, Inc. and Music Merger Sub II LLC, pursuant to which Music Merger Sub I, Inc. merged with MultiPlan Parent, with MultiPlan Parent surviving, and MultiPlan Parent merged with and into Music Merger Sub II LLC, with Music Merger Sub II LLC surviving the merger as a wholly owned subsidiary of the Issuer (which changed its name to MultiPlan Corporation). Pursuant to the Merger Agreement, former stockholders of MultiPlan Parent received their pro rata portion of the merger consideration, which was equal to $5,678,000,000, paid in a combination of $1,521,000,000 cash with the remainder paid in shares of Common Stock in an amount equal to $10.00 per share.

F3 · ownership.nature: Reflects securities directly held by Hellman & Friedman Capital Partners VIII (Parallel), L.P. ("HFCP VIII Parallel").

F8 · ownership.nature: Hellman & Friedman Investors VIII, L.P. ("H&F Investors VIII") is the general partner of each of the H&F VIII Funds. H&F Corporate Investors VIII, Ltd. ("H&F VIII") is the general partner of H&F Investors VIII. A three member board of directors of H&F VIII has investment discretion over the shares held by the H&F VIII Funds and Polaris Partners. Allen R. Thorpe, a member of the board of directors ofMultiPlan Corporation is a member of the board of directors of H&F VIII.

SEC source: 0000899243-20-028052 · doc4.xml · nonDerivative · entry 1

Thorpe Allen R · CIK 0001405076 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 112,593,413

F1 · kind: Reflects shares of Class A common stock of the Issuer ("Common Stock") received pursuant to an Agreement and Plan of Merger, dated July 12, 2020 (the "Merger Agreement"), by and among the Issuer (formerly known as Churchill Capital Corp III), Polaris Parent Corp. ("MultiPlan Parent"), Polaris Investment Holdings, L.P., Music Merger Sub I, Inc. and Music Merger Sub II LLC, pursuant to which Music Merger Sub I, Inc. merged with MultiPlan Parent, with MultiPlan Parent surviving, and MultiPlan Parent merged with and into Music Merger Sub II LLC, with Music Merger Sub II LLC surviving the merger as a wholly owned subsidiary of the Issuer (which changed its name to MultiPlan Corporation). Pursuant to the Merger Agreement, former stockholders of MultiPlan Parent received their pro rata portion of the merger consideration, which was equal to $5,678,000,000, paid in a combination of $1,521,000,000 cash with the remainder paid in shares of Common Stock in an amount equal to $10.00 per share.

F1 · price: Reflects shares of Class A common stock of the Issuer ("Common Stock") received pursuant to an Agreement and Plan of Merger, dated July 12, 2020 (the "Merger Agreement"), by and among the Issuer (formerly known as Churchill Capital Corp III), Polaris Parent Corp. ("MultiPlan Parent"), Polaris Investment Holdings, L.P., Music Merger Sub I, Inc. and Music Merger Sub II LLC, pursuant to which Music Merger Sub I, Inc. merged with MultiPlan Parent, with MultiPlan Parent surviving, and MultiPlan Parent merged with and into Music Merger Sub II LLC, with Music Merger Sub II LLC surviving the merger as a wholly owned subsidiary of the Issuer (which changed its name to MultiPlan Corporation). Pursuant to the Merger Agreement, former stockholders of MultiPlan Parent received their pro rata portion of the merger consideration, which was equal to $5,678,000,000, paid in a combination of $1,521,000,000 cash with the remainder paid in shares of Common Stock in an amount equal to $10.00 per share.

F2 · ownership.nature: Reflects securities directly held by Hellman & Friedman Capital Partners VIII, L.P. ("HFCP VIII").

F8 · ownership.nature: Hellman & Friedman Investors VIII, L.P. ("H&F Investors VIII") is the general partner of each of the H&F VIII Funds. H&F Corporate Investors VIII, Ltd. ("H&F VIII") is the general partner of H&F Investors VIII. A three member board of directors of H&F VIII has investment discretion over the shares held by the H&F VIII Funds and Polaris Partners. Allen R. Thorpe, a member of the board of directors ofMultiPlan Corporation is a member of the board of directors of H&F VIII.

SEC source: 0000899243-20-028239 · doc4.xml · nonDerivative · entry 1

Kim Michael · CIK 0001828369 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 301,464

F1 · kind: Reflects shares of Class A common stock of the Issuer ("Common Stock") received pursuant to an Agreement and Plan of Merger, dated July 12, 2020 (the "Merger Agreement"), by and among the Issuer (formerly known as Churchill Capital Corp III), Polaris Parent Corp. ("MultiPlan Parent"), Polaris Investment Holdings, L.P., Music Merger Sub I, Inc. and Music Merger Sub II LLC, pursuant to which Music Merger Sub I, Inc. merged with MultiPlan Parent, with MultiPlan Parent surviving, and MultiPlan Parent merged with and into Music Merger Sub II LLC, with Music Merger Sub II LLC surviving the merger as a wholly owned subsidiary of the Issuer (which changed its name to MultiPlan Corporation). Pursuant to the Merger Agreement, former stockholders of MultiPlan Parent received their pro rata portion of the merger consideration, which was equal to $5,678,000,000, paid in a combination of $1,521,000,000 cash with the remainder paid in shares of Common Stock in an amount equal to $10.00 per share.

F1 · price: Reflects shares of Class A common stock of the Issuer ("Common Stock") received pursuant to an Agreement and Plan of Merger, dated July 12, 2020 (the "Merger Agreement"), by and among the Issuer (formerly known as Churchill Capital Corp III), Polaris Parent Corp. ("MultiPlan Parent"), Polaris Investment Holdings, L.P., Music Merger Sub I, Inc. and Music Merger Sub II LLC, pursuant to which Music Merger Sub I, Inc. merged with MultiPlan Parent, with MultiPlan Parent surviving, and MultiPlan Parent merged with and into Music Merger Sub II LLC, with Music Merger Sub II LLC surviving the merger as a wholly owned subsidiary of the Issuer (which changed its name to MultiPlan Corporation). Pursuant to the Merger Agreement, former stockholders of MultiPlan Parent received their pro rata portion of the merger consideration, which was equal to $5,678,000,000, paid in a combination of $1,521,000,000 cash with the remainder paid in shares of Common Stock in an amount equal to $10.00 per share.

SEC source: 0001104659-20-113532 · tm2032763d1_form4.xml · nonDerivative · entry 2

Klein Mark D · CIK 0001322402 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See note

Disclosed balance after: 481,711

F2 · shares: Represents shares of Class A common stock purchased by M. Klein & Company, LLC in multiple transactions at prices ranging from $10.20 to $10.42. The price reported is a weighted average price. 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 of Common Stock sold at each separate price within the ranges set forth in this footnote (2).

F2 · price: Represents shares of Class A common stock purchased by M. Klein & Company, LLC in multiple transactions at prices ranging from $10.20 to $10.42. The price reported is a weighted average price. 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 of Common Stock sold at each separate price within the ranges set forth in this footnote (2).

F3 · ownership.nature: Mr. Klein has a majority interest in M. Klein & Company, LLC. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 under the Securities Exchange Act of 1934, as amended, or otherwise, the Reporting Person is the beneficial owner of any securities reported herein. The Reporting Person disclaims beneficial ownership of any securities of the Issuer except to the extent of the Reporting Person's pecuniary interest therein.

SEC source: 0001104659-20-113533 · tm2032763d2_form4.xml · nonDerivative · entry 2

Klein Michael Stuart · CIK 0001327392 · Director · 10% owner

M. Klein Associates, Inc. · CIK 0001751504 · 10% owner

Churchill Sponsor III LLC · CIK 0001793183 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See notes

Disclosed balance after: 481,711

F3 · shares: Represents shares of Class A common stock purchased by M. Klein & Company, LLC in multiple transactions at prices ranging from $10.20 to $10.42. The price reported is a weighted average price. 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 of Common Stock sold at each separate price within the ranges set forth in this footnote (3).

F3 · price: Represents shares of Class A common stock purchased by M. Klein & Company, LLC in multiple transactions at prices ranging from $10.20 to $10.42. The price reported is a weighted average price. 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 of Common Stock sold at each separate price within the ranges set forth in this footnote (3).

F1 · ownership.nature: This Form 4 is filed by the following Reporting Persons: Michael Stuart Klein, M. Klein Associates, Inc., and Churchill Sponsor III LLC ("Sponsor"). Because of the relationships among the Reporting Persons, the Reporting Persons may be deemed to beneficially own the securities reported herein to the extent of their respective pecuniary interests.

F6 · ownership.nature: Mr. Klein has a minority interest in M. Klein & Company, LLC, and is the sole stockholder of M. Klein Associates, Inc., which is the managing member of Sponsor. Following the consummation of the Business Combination, the Reporting Persons own less than 10% of the outstanding Class A common stock of the Issuer. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 under the Securities Exchange Act of 1934, as amended, or otherwise, any of the Reporting Persons is the beneficial owner of any securities reported herein. The Reporting Persons disclaim beneficial ownership of any securities of the Issuer except to the extent of such Reporting Person's pecuniary interest therein.

SEC source: 0001104659-20-113532 · tm2032763d1_form4.xml · nonDerivative · entry 1

Klein Mark D · CIK 0001322402 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See note

Disclosed balance after: 220,000

F1 · shares: Represents shares of Class A common stock purchased by M. Klein & Company, LLC in multiple transactions at prices ranging from $10.098 to $10.48. The price reported is a weighted average price. 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 of Common Stock sold at each separate price within the ranges set forth in this footnote (1).

F1 · price: Represents shares of Class A common stock purchased by M. Klein & Company, LLC in multiple transactions at prices ranging from $10.098 to $10.48. The price reported is a weighted average price. 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 of Common Stock sold at each separate price within the ranges set forth in this footnote (1).

F3 · ownership.nature: Mr. Klein has a majority interest in M. Klein & Company, LLC. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 under the Securities Exchange Act of 1934, as amended, or otherwise, the Reporting Person is the beneficial owner of any securities reported herein. The Reporting Person disclaims beneficial ownership of any securities of the Issuer except to the extent of the Reporting Person's pecuniary interest therein.

SEC source: 0001104659-20-113533 · tm2032763d2_form4.xml · nonDerivative · entry 1

Klein Michael Stuart · CIK 0001327392 · Director · 10% owner

M. Klein Associates, Inc. · CIK 0001751504 · 10% owner

Churchill Sponsor III LLC · CIK 0001793183 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See notes

Disclosed balance after: 220,000

F2 · shares: Represents shares of Class A common stock purchased by M. Klein & Company, LLC in multiple transactions at prices ranging from $10.098 to $10.48. The price reported is a weighted average price. The Reporting Persons undertake 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 of Common Stock sold at each separate price within the ranges set forth in this footnote (2).

F2 · price: Represents shares of Class A common stock purchased by M. Klein & Company, LLC in multiple transactions at prices ranging from $10.098 to $10.48. The price reported is a weighted average price. The Reporting Persons undertake 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 of Common Stock sold at each separate price within the ranges set forth in this footnote (2).

F1 · ownership.nature: This Form 4 is filed by the following Reporting Persons: Michael Stuart Klein, M. Klein Associates, Inc., and Churchill Sponsor III LLC ("Sponsor"). Because of the relationships among the Reporting Persons, the Reporting Persons may be deemed to beneficially own the securities reported herein to the extent of their respective pecuniary interests.

F6 · ownership.nature: Mr. Klein has a minority interest in M. Klein & Company, LLC, and is the sole stockholder of M. Klein Associates, Inc., which is the managing member of Sponsor. Following the consummation of the Business Combination, the Reporting Persons own less than 10% of the outstanding Class A common stock of the Issuer. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 under the Securities Exchange Act of 1934, as amended, or otherwise, any of the Reporting Persons is the beneficial owner of any securities reported herein. The Reporting Persons disclaim beneficial ownership of any securities of the Issuer except to the extent of such Reporting Person's pecuniary interest therein.