Krylov Sergei

SEC source: 0001594869-26-000001 · form4-05292026_050501.xml · nonDerivative · entry 1

Krylov Sergei · CIK 0001594869 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 95,909

F1 · shares: Reflects restricted stock units ("RSUs") granted to the reporting person under the ProFrac Holding Corp. 2022 Long Term Incentive Plan. Each RSU represents the contingent right to receive one share of the Issuer's Class A common stock, par value $0.01 per share. The RSUs were granted with a total grant date fair value of $150,000, as approved by the Compensation Committee, with an effective grant date of May 27, 2026. The RSUs vest in full on May 27, 2027, the first anniversary of the grant date, subject to the reporting person's continued service on the Board through the vesting date.

SEC source: 0001415889-25-015250 · form4-06022025_090620.xml · nonDerivative · entry 1

Krylov Sergei · CIK 0001594869 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73,488

F1 · shares: Reflects restricted stock units granted to the reporting person under the ProFrac Holding Corp. 2022 Long Term Incentive Plan. Each restricted stock unit represents the contingent right to receive one share of the Issuer's Class A common stock, par value $0.01 per share.

SEC source: 0001104659-25-051120 · tm2515730-2_4seq1.xml · nonDerivative · entry 3

Krylov Sergei · CIK 0001594869 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,415

F1 · price: The reported price is a weighted average purchase 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 purchased at each separate price.

SEC source: 0001104659-25-051120 · tm2515730-2_4seq1.xml · nonDerivative · entry 2

Krylov Sergei · CIK 0001594869 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,360

F1 · price: The reported price is a weighted average purchase 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 purchased at each separate price.

SEC source: 0001104659-25-051120 · tm2515730-2_4seq1.xml · nonDerivative · entry 1

Krylov Sergei · CIK 0001594869 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,720

F1 · price: The reported price is a weighted average purchase 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 purchased at each separate price.

SEC source: 0001104659-24-106292 · tm2425637-6_4seq1.xml · nonDerivative · entry 1

Krylov Sergei · CIK 0001594869 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,165

SEC source: 0001415889-24-015376 · form4-06042024_040633.xml · nonDerivative · entry 1

Krylov Sergei · CIK 0001594869 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 54,572

F1 · shares: Reflects restricted stock units granted to the reporting person under the ProFrac Holding Corp. 2022 Long Term Incentive Plan. Each restricted stock unit represents the contingent right to receive one share of the Issuer's Class A common stock, par value $0.01 per share.

SEC source: 0000899243-23-020059 · doc4.xml · derivative · entry 2

Wilks Brothers, LLC · CIK 0001662888 · Director · 10% owner

WB Acquisitions Inc. · CIK 0001891025 · 10% owner

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

Krylov Sergei · CIK 0001594869 · Director

Wilks Matthew · CIK 0001696102 · Director

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 24,609,095

Underlying: Class A common stock, par value $0.01 per share · 5,811,765 shares

Expires 2024-06-30

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

F1 · kind: On September 13, 2023, Dawson Geophysical Company ("Dawson") held a virtual special meeting of its stockholders. At the Special Meeting, Dawson's stockholders voted and approved the issuance of 5,811,765 shares of Common Stock of Issuer to Wilks Brothers, LLC ("Wilks Brothers") upon conversion of $9,880,000.50 in principal amount of the Convertible Note dated March 24, 2023 between Dawson and Wilks at a conversion price of $1.70 per share. Upon such approval, the Convertible Note automatically converted in full into the Conversion Shares upon such approval.

F1 · price: On September 13, 2023, Dawson Geophysical Company ("Dawson") held a virtual special meeting of its stockholders. At the Special Meeting, Dawson's stockholders voted and approved the issuance of 5,811,765 shares of Common Stock of Issuer to Wilks Brothers, LLC ("Wilks Brothers") upon conversion of $9,880,000.50 in principal amount of the Convertible Note dated March 24, 2023 between Dawson and Wilks at a conversion price of $1.70 per share. Upon such approval, the Convertible Note automatically converted in full into the Conversion Shares upon such approval.

F2 · balance_after: Consists of (i) 9,111,736 directly owned by Wilks, (ii) 15,547,010 shares of the Issuer's Common Stock directly owned by WB Acquisitions, and (iii) 349 shares of the Issuer's Common Stock directly owned by Staci Wilks.

F2 · ownership.direct: Consists of (i) 9,111,736 directly owned by Wilks, (ii) 15,547,010 shares of the Issuer's Common Stock directly owned by WB Acquisitions, and (iii) 349 shares of the Issuer's Common Stock directly owned by Staci Wilks.

F3 · ownership.direct: Wilks Brothers is a manager-managed limited liability company, managed by Dan H. Wilks and Farris Wilks. WB Acquisitions, Inc. ("WB Acquisitions") is an affiliate of Wilks Brothers. Dan H. Wilks and Farris Wilks are brothers; Dan H. Wilks and Staci Wilks are husband and wife and share the same household; Matthew D. Wilks is the Director of the Issuer and VP - Investments of Wilks Brothers; and Sergei Krylov, is the Director of the Issuer and Chief Financial Officer of Wilks Brothers. Matthew D. Wilks and Sergei Krylov were each inadvertently excluded in prior filings and have been added as Reporting Persons. Each of the foregoing are reporting persons on a Schedule 13D/A (as amended from time to time, the "13D") filed with the SEC on June 29, 2023 (such Reporting Persons on the 13D, collectively, the "13D Group") and may be deemed to beneficially own the shares of the Issuer's Common Stock owned by other members of the 13D Group. (Continued in footnote 4)

F3 · ownership.nature: Wilks Brothers is a manager-managed limited liability company, managed by Dan H. Wilks and Farris Wilks. WB Acquisitions, Inc. ("WB Acquisitions") is an affiliate of Wilks Brothers. Dan H. Wilks and Farris Wilks are brothers; Dan H. Wilks and Staci Wilks are husband and wife and share the same household; Matthew D. Wilks is the Director of the Issuer and VP - Investments of Wilks Brothers; and Sergei Krylov, is the Director of the Issuer and Chief Financial Officer of Wilks Brothers. Matthew D. Wilks and Sergei Krylov were each inadvertently excluded in prior filings and have been added as Reporting Persons. Each of the foregoing are reporting persons on a Schedule 13D/A (as amended from time to time, the "13D") filed with the SEC on June 29, 2023 (such Reporting Persons on the 13D, collectively, the "13D Group") and may be deemed to beneficially own the shares of the Issuer's Common Stock owned by other members of the 13D Group. (Continued in footnote 4)

F4 · ownership.nature: (Continued from footnote 3) Each Reporting Person disclaims beneficial ownership of all equity securities reported herein except to the extent of its respective pecuniary interest therein, and the filing of this Form 4 shall not be construed as an admission that any such Reporting Person is the beneficial owner of any equity securities covered by this Form 4.

SEC source: 0000899243-23-020059 · doc4.xml · nonDerivative · entry 1

Wilks Brothers, LLC · CIK 0001662888 · Director · 10% owner

WB Acquisitions Inc. · CIK 0001891025 · 10% owner

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

Krylov Sergei · CIK 0001594869 · Director

Wilks Matthew · CIK 0001696102 · Director

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 24,609,095

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

F1 · kind: On September 13, 2023, Dawson Geophysical Company ("Dawson") held a virtual special meeting of its stockholders. At the Special Meeting, Dawson's stockholders voted and approved the issuance of 5,811,765 shares of Common Stock of Issuer to Wilks Brothers, LLC ("Wilks Brothers") upon conversion of $9,880,000.50 in principal amount of the Convertible Note dated March 24, 2023 between Dawson and Wilks at a conversion price of $1.70 per share. Upon such approval, the Convertible Note automatically converted in full into the Conversion Shares upon such approval.

F2 · balance_after: Consists of (i) 9,111,736 directly owned by Wilks, (ii) 15,547,010 shares of the Issuer's Common Stock directly owned by WB Acquisitions, and (iii) 349 shares of the Issuer's Common Stock directly owned by Staci Wilks.

F2 · ownership.direct: Consists of (i) 9,111,736 directly owned by Wilks, (ii) 15,547,010 shares of the Issuer's Common Stock directly owned by WB Acquisitions, and (iii) 349 shares of the Issuer's Common Stock directly owned by Staci Wilks.

F3 · ownership.direct: Wilks Brothers is a manager-managed limited liability company, managed by Dan H. Wilks and Farris Wilks. WB Acquisitions, Inc. ("WB Acquisitions") is an affiliate of Wilks Brothers. Dan H. Wilks and Farris Wilks are brothers; Dan H. Wilks and Staci Wilks are husband and wife and share the same household; Matthew D. Wilks is the Director of the Issuer and VP - Investments of Wilks Brothers; and Sergei Krylov, is the Director of the Issuer and Chief Financial Officer of Wilks Brothers. Matthew D. Wilks and Sergei Krylov were each inadvertently excluded in prior filings and have been added as Reporting Persons. Each of the foregoing are reporting persons on a Schedule 13D/A (as amended from time to time, the "13D") filed with the SEC on June 29, 2023 (such Reporting Persons on the 13D, collectively, the "13D Group") and may be deemed to beneficially own the shares of the Issuer's Common Stock owned by other members of the 13D Group. (Continued in footnote 4)

F3 · ownership.nature: Wilks Brothers is a manager-managed limited liability company, managed by Dan H. Wilks and Farris Wilks. WB Acquisitions, Inc. ("WB Acquisitions") is an affiliate of Wilks Brothers. Dan H. Wilks and Farris Wilks are brothers; Dan H. Wilks and Staci Wilks are husband and wife and share the same household; Matthew D. Wilks is the Director of the Issuer and VP - Investments of Wilks Brothers; and Sergei Krylov, is the Director of the Issuer and Chief Financial Officer of Wilks Brothers. Matthew D. Wilks and Sergei Krylov were each inadvertently excluded in prior filings and have been added as Reporting Persons. Each of the foregoing are reporting persons on a Schedule 13D/A (as amended from time to time, the "13D") filed with the SEC on June 29, 2023 (such Reporting Persons on the 13D, collectively, the "13D Group") and may be deemed to beneficially own the shares of the Issuer's Common Stock owned by other members of the 13D Group. (Continued in footnote 4)

F4 · ownership.nature: (Continued from footnote 3) Each Reporting Person disclaims beneficial ownership of all equity securities reported herein except to the extent of its respective pecuniary interest therein, and the filing of this Form 4 shall not be construed as an admission that any such Reporting Person is the beneficial owner of any equity securities covered by this Form 4.

SEC source: 0000899243-23-016727 · doc4a.xml · nonDerivative · entry 1

Wilks Brothers, LLC · CIK 0001662888 · 10% owner

WB Acquisitions Inc. · CIK 0001891025 · 10% owner

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

Krylov Sergei · CIK 0001594869 · Director

Wilks Matthew · CIK 0001696102 · Director

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 18,847,330

F1 · price: The reported price in Column 4 is a weighted average purchase price. The Reporting Persons undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission ("SEC"), upon request, full information regarding the number of shares purchased at each separate price.

F2 · balance_after: Consists of (i) 3,299,971 directly owned by Wilks Brothers, LLC ("Wilks Brothers"), (ii) 15,547,010 shares of the Issuer's Common Stock directly owned by WB Acquisitions, and (iii) 349 shares of the Issuer's Common Stock directly owned by Staci Wilks.

F2 · ownership.direct: Consists of (i) 3,299,971 directly owned by Wilks Brothers, LLC ("Wilks Brothers"), (ii) 15,547,010 shares of the Issuer's Common Stock directly owned by WB Acquisitions, and (iii) 349 shares of the Issuer's Common Stock directly owned by Staci Wilks.

F3 · ownership.direct: Wilks Brothers is a manager-managed limited liability company, managed by Dan H. Wilks and Farris Wilks. WB Acquisitions, Inc. ("WB Acquisitions") is a subsidiary of Wilks Brothers. Dan H. Wilks and Farris Wilks are brothers; Dan H. Wilks and Staci Wilks are husband and wife and share the same household; Matthew D. Wilks is the Director of the Issuer and VP - Investments of Wilks Brothers; and Sergei Krylov, is the Director of the Issuer and Chief Financial Officer of Wilks Brothers. Matthew D. Wilks and Sergei Krylov were each inadvertently excluded in prior filings and have been added as Reporting Persons. Each of the foregoing are reporting persons on a Schedule 13D/A (as amended from time to time, the "13D") filed with the SEC on June 29, 2023 (such Reporting Persons on the 13D, collectively, the "13D Group") and may be deemed to beneficially own the shares of the Issuer's Common Stock owned by other members of the 13D Group.

F4 · ownership.direct: (Continued from Footnote 3) Each Reporting Person disclaims beneficial ownership of all equity securities reported herein except to the extent of its respective pecuniary interest therein, and the filing of this Form 4 shall not be construed as an admission that any such Reporting Person is the beneficial owner of any equity securities covered by this Form 4.

F3 · ownership.nature: Wilks Brothers is a manager-managed limited liability company, managed by Dan H. Wilks and Farris Wilks. WB Acquisitions, Inc. ("WB Acquisitions") is a subsidiary of Wilks Brothers. Dan H. Wilks and Farris Wilks are brothers; Dan H. Wilks and Staci Wilks are husband and wife and share the same household; Matthew D. Wilks is the Director of the Issuer and VP - Investments of Wilks Brothers; and Sergei Krylov, is the Director of the Issuer and Chief Financial Officer of Wilks Brothers. Matthew D. Wilks and Sergei Krylov were each inadvertently excluded in prior filings and have been added as Reporting Persons. Each of the foregoing are reporting persons on a Schedule 13D/A (as amended from time to time, the "13D") filed with the SEC on June 29, 2023 (such Reporting Persons on the 13D, collectively, the "13D Group") and may be deemed to beneficially own the shares of the Issuer's Common Stock owned by other members of the 13D Group.

F4 · ownership.nature: (Continued from Footnote 3) Each Reporting Person disclaims beneficial ownership of all equity securities reported herein except to the extent of its respective pecuniary interest therein, and the filing of this Form 4 shall not be construed as an admission that any such Reporting Person is the beneficial owner of any equity securities covered by this Form 4.

SEC source: 0001209191-23-034253 · doc4.xml · nonDerivative · entry 1

Krylov Sergei · CIK 0001594869 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,443

F1 · shares: Reflects restricted stock units granted to the reporting person under the ProFrac Holding Corp. 2022 Long Term Incentive Plan. Each restricted stock unit represents the contingent right to receive one share of the Issuer's Class A common stock, par value $0.01 per share.

SEC source: 0000899243-22-019720 · doc4.xml · nonDerivative · entry 1

Krylov Sergei · CIK 0001594869 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,666

F1 · shares: Reflects restricted stock units granted to the reporting person under the ProFrac Holding Corp. 2022 Long Term Incentive Plan. Each restricted stock unit represents the contingent right to receive one share of the Issuer's Class A common stock, par value $0.01 per share.

SEC source: 0000899243-22-018921 · doc4.xml · nonDerivative · entry 1

Krylov Sergei · CIK 0001594869 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,500

F1 · shares: Reflects shares purchased through a directed share program in connection with the Issuer's initial public offering, which closed on May 17, 2022.

SEC source: 0001209191-20-001276 · doc4.xml · nonDerivative · entry 2

Krylov Sergei · CIK 0001594869 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 393,861

F2 · shares: Represents the tax liability on December 31, 2019 satisfied by withholding 27,135 shares incident to the vesting of securities under a Restricted Stock Award Agreement dated March 7, 2017 between the Reporting Person and the Issuer.

SEC source: 0001209191-20-001276 · doc4.xml · nonDerivative · entry 1

Krylov Sergei · CIK 0001594869 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 420,996

F1 · shares: Shares granted on March 7, 2017 which were subject to the Issuer's three-year shareholder return (TSR) performance. As of December 31, 2019, TSR metrics were not met and 103,433 shares were forfeited.

SEC source: 0001209191-19-005330 · doc4.xml · nonDerivative · entry 2

Krylov Sergei · CIK 0001594869 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 524,429

F2 · shares: Represents the tax liability on January 23, 2019 satisfied by withholding 36,035 shares incident to the vesting of securities under a Restricted Stock Award Agreement dated March 2, 2016 between the Reporting Person and the Issuer.

SEC source: 0001209191-19-005330 · doc4.xml · nonDerivative · entry 1

Krylov Sergei · CIK 0001594869 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 560,464

F1 · shares: Represents a portion of shares granted on March 2, 2016 which were subject to the issuer's three-year shareholder return (TSR) performance. As of January 23, 2019, the Compensation Committee of the issuer ratified the issuer's performance against certain TSR metrics, and 40,353 shares were forfeited.

SEC source: 0001209191-19-000418 · doc4.xml · nonDerivative · entry 2

Krylov Sergei · CIK 0001594869 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 600,817

F3 · shares: Represents the tax liability on December 31, 2018 satisfied by withholding 27,135 shares incident to the vesting of securities under a Restricted Stock Award Agreement dated March 7, 2017 between the Reporting Person and the Issuer.

SEC source: 0001209191-19-000418 · doc4.xml · nonDerivative · entry 1

Krylov Sergei · CIK 0001594869 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 627,953

F1 · shares: The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for year-end tax planning purposes.

F2 · shares: This transaction was executed in multiple trades at prices ranging from $0.91 to $0.99. The price reported in Table I reflects the weighted average sale price of such trades. The reporting person hereby undertakes to provide to the SEC staff, the issuer or a security holder of the issuer, upon request, full information regarding the number of shares and prices at which each transaction was effected.

SEC source: 0001209191-18-018589 · doc4.xml · nonDerivative · entry 2

Krylov Sergei · CIK 0001594869 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 646,873

F2 · shares: Represents shares of restricted stock granted under the issuer's 2007 Stock Incentive Plan and exempt under Rule 16b-3(d). The 83,268 shares vest December 31, 2020, subject to the issuer's three-year total shareholder return performance. The awards were made subject to the Revised Form of TSR-Based Restricted Stock Award Agreement as previously filed by issuer with the Securities and Exchange Commission.

SEC source: 0001209191-18-018589 · doc4.xml · nonDerivative · entry 1

Krylov Sergei · CIK 0001594869 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 563,605

F1 · shares: Represents the tax liability on March 7, 2018 satisfied by withholding 27,133 shares incident to the vesting of securities under a Restricted Stock Award Agreement dated March 7, 2017 between the Reporting Person and the Issuer.

SEC source: 0001209191-18-005934 · doc4.xml · nonDerivative · entry 2

Krylov Sergei · CIK 0001594869 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 590,738

F2 · shares: Represents the tax liability on January 25, 2018, satisfied by withholding 13,933 shares incident to the vesting of securities under a Restricted Stock Award Agreement dated February 23, 2015 between the Reporting Person and the Issuer.

SEC source: 0001209191-18-005934 · doc4.xml · nonDerivative · entry 1

Krylov Sergei · CIK 0001594869 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 604,671

F1 · shares: Represents a portion of shares granted on February 23, 2015 which were subject to the issuer's three-year shareholder return (TSR) performance. As of January 25, 2018, the Compensation Committee of the issuer ratified the issuer's performance against certain TSR metrics, and 17,704 shares were forfeited.

SEC source: 0001209191-18-000358 · doc4.xml · nonDerivative · entry 1

Krylov Sergei · CIK 0001594869 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 622,375

F1 · shares: Represents the tax liability on December 31, 2017, satisfied by withholding 22,281 shares incident to the vesting of securities under a Restricted Stock Award Agreement dated February 23, 2015 between the Reporting Person and the Issuer.

SEC source: 0001209191-17-019710 · doc4.xml · nonDerivative · entry 1

Krylov Sergei · CIK 0001594869 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 644,656

F1 · shares: Represents shares of restricted stock granted under the issuer's 2007 Stock Incentive Plan and exempt under Rule 16b-3(d). 206,867 of the shares vest annually in three equal installments beginning on December 31, 2017, subject to performance conditions. The remaining 103,433 of shares vest December 31, 2019, subject to the issuer's three-year total shareholder return performance.

SEC source: 0001209191-17-001337 · doc4.xml · nonDerivative · entry 3

Krylov Sergei · CIK 0001594869 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 334,356

F3 · shares: Represents the tax liability on January 3, 2017, satisfied by withholding 23,975 shares incident to the vesting of securities under a Restricted Stock Award Agreement dated January 3, 2014 between the Reporting Person and the Issuer.

SEC source: 0001209191-17-001337 · doc4.xml · nonDerivative · entry 2

Krylov Sergei · CIK 0001594869 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 358,331

F2 · shares: Represents the tax liability on December 31, 2016, satisfied by withholding 29,823 shares incident to the vesting of securities under Restricted Stock Award Agreements dated February 21, 2014 and February 23, 2015 between the Reporting Person and the Issuer.

SEC source: 0001209191-17-001337 · doc4.xml · nonDerivative · entry 1

Krylov Sergei · CIK 0001594869 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 388,154

F1 · shares: Represents shares granted on February 21, 2014 which were subject to the issuer's three-year shareholder return (TSR) performance. As of December 31, 2016, TSR metrics were not met and the 17,978 shares were forfeited.