GDYN

SEC source: 0001213900-20-015496 · ownership.xml · derivative · entry 3

Chaserg Technology Sponsor LLC · CIK 0001752872 · 10% owner

Explorer Parent LLC · CIK 0001814906 · 10% owner

Founder Holdings LLC · CIK 0001814907 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 265,000 shares

Expires 2025-03-05

F1 · kind: Represents a pro rata distribution in-kind by ChaSerg Technology Sponsor LLC ("Sponsor") to its limited partners for no consideration (the "Distribution").

F2 · ownership.nature: By Sponsor. By virtue of the relationships between Explorer Parent LLC ("Explorer"), Founder Holdings LLC ("Founder") and Sponsor, each of Explorer and Founder may be deemed to share beneficial ownership of the securities held of record by Sponsor.

SEC source: 0001213900-20-015496 · ownership.xml · nonDerivative · entry 1

Chaserg Technology Sponsor LLC · CIK 0001752872 · 10% owner

Explorer Parent LLC · CIK 0001814906 · 10% owner

Founder Holdings LLC · CIK 0001814907 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 1,090,000

F1 · kind: Represents a pro rata distribution in-kind by ChaSerg Technology Sponsor LLC ("Sponsor") to its limited partners for no consideration (the "Distribution").

F2 · ownership.nature: By Sponsor. By virtue of the relationships between Explorer Parent LLC ("Explorer"), Founder Holdings LLC ("Founder") and Sponsor, each of Explorer and Founder may be deemed to share beneficial ownership of the securities held of record by Sponsor.

SEC source: 0001567619-20-012063 · doc1.xml · nonDerivative · entry 2

Explorer Parent LLC · CIK 0001814906 · 10% owner

Founder Holdings LLC · CIK 0001814907 · 10% owner

Chaserg Technology Sponsor LLC · CIK 0001752872 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $8.75 to $9.035. The reporting person undertakes to provide the Company, any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.nature: Explorer Parent LLC ("Explorer") is the record holder of the securities reported herein. Founder Holdings LLC ("Founder"), as the managing member of Explorer, may be deemed to share beneficial ownership of these securities.

F3 · ownership.nature: By virtue of the relationships between Explorer, Founder and ChaSerg Technology Sponsor LLC ("Sponsor"), each of Explorer and Founder may be deemed to share beneficial ownership of the securities held of record by Sponsor.

SEC source: 0001567619-20-012063 · doc1.xml · nonDerivative · entry 1

Explorer Parent LLC · CIK 0001814906 · 10% owner

Founder Holdings LLC · CIK 0001814907 · 10% owner

Chaserg Technology Sponsor LLC · CIK 0001752872 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 46,546

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $9.00 to $9.06. The reporting person undertakes to provide Grid Dynamics Holdings, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.nature: Explorer Parent LLC ("Explorer") is the record holder of the securities reported herein. Founder Holdings LLC ("Founder"), as the managing member of Explorer, may be deemed to share beneficial ownership of these securities.

F3 · ownership.nature: By virtue of the relationships between Explorer, Founder and ChaSerg Technology Sponsor LLC ("Sponsor"), each of Explorer and Founder may be deemed to share beneficial ownership of the securities held of record by Sponsor.

SEC source: 0001209191-20-027571 · doc4.xml · nonDerivative · entry 1

Livshitz Victoria · CIK 0001805543 · EVP of Customer Success

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 199,500

F1 · shares: These securities are restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of Common Stock. One-fourth of the RSUs shall vest on May 4, 2021 and one-sixteenth of the RSUs shall vest on each three-month anniversary thereafter, subject to the Reporting Person continuing as a service provider through each such date.

SEC source: 0001209191-20-027572 · doc4.xml · nonDerivative · entry 1

Martynov Max · CIK 0001805554 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 199,500

F1 · shares: These securities are restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of Common Stock. One-fourth of the RSUs shall vest on May 4, 2021 and one-sixteenth of the RSUs shall vest on each three-month anniversary thereafter, subject to the Reporting Person continuing as a service provider through each such date.

SEC source: 0001209191-20-027569 · doc4.xml · nonDerivative · entry 1

Klimoff Stan · CIK 0001805664 · VP of Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 199,500

F1 · shares: These securities are restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of Common Stock. One-fourth of the RSUs shall vest on May 4, 2021 and one-sixteenth of the RSUs shall vest on each three-month anniversary thereafter, subject to the Reporting Person continuing as a service provider through each such date.

SEC source: 0001209191-20-027570 · doc4.xml · nonDerivative · entry 1

Kozyrkov Vadim · CIK 0001805555 · SVP of Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 199,500

F1 · shares: These securities are restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of Common Stock. One-fourth of the RSUs shall vest on May 4, 2021 and one-sixteenth of the RSUs shall vest on each three-month anniversary thereafter, subject to the Reporting Person continuing as a service provider through each such date.

SEC source: 0001209191-20-027573 · doc4.xml · nonDerivative · entry 1

Gryzlov Yury · CIK 0001805673 · SVP of Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 199,500

F1 · shares: These securities are restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of Common Stock. One-fourth of the RSUs shall vest on May 4, 2021 and one-sixteenth of the RSUs shall vest on each three-month anniversary thereafter, subject to the Reporting Person continuing as a service provider through each such date.

SEC source: 0001209191-20-027568 · doc4.xml · nonDerivative · entry 1

Doradla Anil · CIK 0001731166 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 199,500

F1 · shares: These securities are restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of Common Stock. One-fourth of the RSUs shall vest on May 4, 2021 and one-sixteenth of the RSUs shall vest on each three-month anniversary thereafter, subject to the Reporting Person continuing as a service provider through each such date.

SEC source: 0001213900-20-006603 · ownership.xml · derivative · entry 5

Livshitz Victoria · CIK 0001805543 · EVP of Customer Success

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 140,000

Underlying: Common Stock · 140,000 shares

Expires 2030-03-12

F5 · derivative.exercise_date: One-fourth of the shares subject to the option vest on March 13, 2021 and the remaining shares vest in 12 equal quarterly installments thereafter.

SEC source: 0001213900-20-006603 · ownership.xml · nonDerivative · entry 1

Livshitz Victoria · CIK 0001805543 · EVP of Customer Success

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 129,500

F1 · shares: The reported shares are represented by restricted stock units, or RSUs, pursuant to which one-fourth of the RSUs vest on March 13, 2021 and the remaining RSUs vest in 12 equal quarterly installments thereafter.

SEC source: 0001213900-20-006605 · ownership.xml · derivative · entry 2

Martynov Max · CIK 0001805554 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 140,000

Underlying: Common Stock · 140,000 shares

Expires 2030-03-12

F2 · derivative.exercise_date: One-fourth of the shares subject to the option vest on March 13, 2021 and the remaining shares vest in 12 equal quarterly installments thereafter.

SEC source: 0001213900-20-006605 · ownership.xml · nonDerivative · entry 1

Martynov Max · CIK 0001805554 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 129,500

F1 · shares: The reported shares are represented by restricted stock units, or RSUs, pursuant to which one-fourth of the RSUs vest on March 13, 2021 and the remaining RSUs vest in 12 equal quarterly installments thereafter.

SEC source: 0001213900-20-006609 · ownership.xml · derivative · entry 2

Kozyrkov Vadim · CIK 0001805555 · SVP of Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 140,000

Underlying: Common Stock · 140,000 shares

Expires 2030-03-12

F2 · derivative.exercise_date: One-fourth of the shares subject to the option vest on March 13, 2021 and the remaining shares vest in 12 equal quarterly installments thereafter.

SEC source: 0001213900-20-006609 · ownership.xml · nonDerivative · entry 1

Kozyrkov Vadim · CIK 0001805555 · SVP of Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 129,500

F1 · shares: The reported shares are represented by restricted stock units, or RSUs, pursuant to which one-fourth of the RSUs vest on March 13, 2021 and the remaining RSUs vest in 12 equal quarterly installments thereafter.

SEC source: 0001213900-20-006599 · ownership.xml · nonDerivative · entry 1

Livschitz Leonard · CIK 0001805657 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,333,000

F1 · shares: The reported shares are represented by restricted stock units, or RSUs, pursuant to which one-fourth of the RSUs vest on March 13, 2021 and the remaining RSUs vest in 12 equal quarterly installments thereafter.

SEC source: 0001213900-20-006611 · ownership.xml · derivative · entry 3

Klimoff Stan · CIK 0001805664 · VP of Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 140,000

Underlying: Common Stock · 140,000 shares

Expires 2030-03-12

F3 · derivative.exercise_date: One-fourth of the shares subject to the option vest on March 13, 2021 and the remaining shares vest in 12 equal quarterly installments thereafter.

SEC source: 0001213900-20-006611 · ownership.xml · nonDerivative · entry 1

Klimoff Stan · CIK 0001805664 · VP of Corporate Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 129,500

F1 · shares: The reported shares are represented by restricted stock units, or RSUs, pursuant to which one-fourth of the RSUs vest on March 13, 2021 and the remaining RSUs vest in 12 equal quarterly installments thereafter.

SEC source: 0001213900-20-006607 · ownership.xml · derivative · entry 2

Gryzlov Yury · CIK 0001805673 · SVP of Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 140,000

Underlying: Common Stock · 140,000 shares

Expires 2030-03-12

F2 · derivative.exercise_date: One-fourth of the shares subject to the option vest on March 13, 2021 and the remaining shares vest in 12 equal quarterly installments thereafter.

SEC source: 0001213900-20-006607 · ownership.xml · nonDerivative · entry 1

Gryzlov Yury · CIK 0001805673 · SVP of Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 129,500

F1 · shares: The reported shares are represented by restricted stock units, or RSUs, pursuant to which one-fourth of the RSUs vest on March 13, 2021 and the remaining RSUs vest in 12 equal quarterly installments thereafter.

SEC source: 0001213900-20-006601 · ownership.xml · derivative · entry 2

Doradla Anil · CIK 0001731166 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 140,000

Underlying: Common Stock · 140,000 shares

Expires 2030-03-12

F2 · derivative.exercise_date: One-fourth of the shares subject to the option vest on March 13, 2021 and the remaining shares vest in 12 equal quarterly installments thereafter.

SEC source: 0001213900-20-006601 · ownership.xml · nonDerivative · entry 1

Doradla Anil · CIK 0001731166 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 129,500

F1 · shares: The reported shares are represented by restricted stock units, or RSUs, pursuant to which one-fourth of the RSUs vest on March 13, 2021 and the remaining RSUs vest in 12 equal quarterly installments thereafter.

SEC source: 0001567619-20-012062 · doc1.xml · derivative · entry 5

Chaserg Technology Sponsor LLC · CIK 0001752872 · 10% owner

Explorer Parent LLC · CIK 0001814906 · 10% owner

Founder Holdings LLC · CIK 0001814907 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 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.

F1 · derivative.exercise_price: The Class B Common Stock converted into Common Stock on a one-for-one basis upon consummation of the initial business combination and had no expiration date.

F1 · derivative.exercise_date: The Class B Common Stock converted into Common Stock on a one-for-one basis upon consummation of the initial business combination and had no expiration date.

F1 · derivative.expiration_date: The Class B Common Stock converted into Common Stock on a one-for-one basis upon consummation of the initial business combination and had no expiration date.

F3 · ownership.nature: By ChaSerg Technology Sponsor LLC ("Sponsor"). By virtue of the relationships between Explorer Parent LLC ("Explorer"), Founder Holdings LLC ("Founder") and Sponsor, each of Explorer and Founder may be deemed to share beneficial ownership of the securities held of record by Sponsor.

SEC source: 0001567619-20-012062 · doc1.xml · derivative · entry 4

Chaserg Technology Sponsor LLC · CIK 0001752872 · 10% owner

Explorer Parent LLC · CIK 0001814906 · 10% owner

Founder Holdings LLC · CIK 0001814907 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 30,000 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.

F2 · derivative.exercise_price: The Placement Units converted into Common Stock on a one-for-one basis upon consummation of the initial business combination and had no expiration date.

F2 · derivative.exercise_date: The Placement Units converted into Common Stock on a one-for-one basis upon consummation of the initial business combination and had no expiration date.

F2 · derivative.expiration_date: The Placement Units converted into Common Stock on a one-for-one basis upon consummation of the initial business combination and had no expiration date.

F3 · ownership.nature: By ChaSerg Technology Sponsor LLC ("Sponsor"). By virtue of the relationships between Explorer Parent LLC ("Explorer"), Founder Holdings LLC ("Founder") and Sponsor, each of Explorer and Founder may be deemed to share beneficial ownership of the securities held of record by Sponsor.

SEC source: 0001567619-20-012062 · doc1.xml · nonDerivative · entry 1

Chaserg Technology Sponsor LLC · CIK 0001752872 · 10% owner

Explorer Parent LLC · CIK 0001814906 · 10% owner

Founder Holdings LLC · CIK 0001814907 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 6,030,000

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 · price: The Class B Common Stock converted into Common Stock on a one-for-one basis upon consummation of the initial business combination and had no expiration date.

F2 · price: The Placement Units converted into Common Stock on a one-for-one basis upon consummation of the initial business combination and had no expiration date.

F3 · ownership.nature: By ChaSerg Technology Sponsor LLC ("Sponsor"). By virtue of the relationships between Explorer Parent LLC ("Explorer"), Founder Holdings LLC ("Founder") and Sponsor, each of Explorer and Founder may be deemed to share beneficial ownership of the securities held of record by Sponsor.

SEC source: 0001213900-18-014623 · ownership.xml · derivative · entry 1

Chaserg Technology Sponsor LLC · CIK 0001752872 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,500,000

Underlying: Class A Common Stock · 250,000 shares

Expires not disclosed

F1 · derivative.exercise_price: As described in the issuer's registration statement on Form S-1 (File No. 333-227300) under the heading "Description of Securities--Founder Shares", the shares of Class B common stock will automatically convert into shares of Class A common stock at the time of the issuer's initial business combination, or earlier at the option of the holder, on a one-for-one basis, subject to adjustment for stock splits, stock dividends, reorganizations, recapitalizations and the like, and certain anti-dilution rights and has no expiration date.

F2 · kind: As contemplated in connection with the initial public offering of the issuer, 250,000 shares of Class B common stock of the issuer were returned by the reporting person to the issuer for no consideration and cancelled because the underwriters' over-allotment option was not exercised in full.

F1 · derivative.exercise_date: As described in the issuer's registration statement on Form S-1 (File No. 333-227300) under the heading "Description of Securities--Founder Shares", the shares of Class B common stock will automatically convert into shares of Class A common stock at the time of the issuer's initial business combination, or earlier at the option of the holder, on a one-for-one basis, subject to adjustment for stock splits, stock dividends, reorganizations, recapitalizations and the like, and certain anti-dilution rights and has no expiration date.

F1 · derivative.expiration_date: As described in the issuer's registration statement on Form S-1 (File No. 333-227300) under the heading "Description of Securities--Founder Shares", the shares of Class B common stock will automatically convert into shares of Class A common stock at the time of the issuer's initial business combination, or earlier at the option of the holder, on a one-for-one basis, subject to adjustment for stock splits, stock dividends, reorganizations, recapitalizations and the like, and certain anti-dilution rights and has no expiration date.

SEC source: 0001567619-20-012062 · doc1.xml · derivative · entry 3

Chaserg Technology Sponsor LLC · CIK 0001752872 · 10% owner

Explorer Parent LLC · CIK 0001814906 · 10% owner

Founder Holdings LLC · CIK 0001814907 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 30,000

Underlying: Common Stock · 30,000 shares

Expires not disclosed

F2 · derivative.exercise_price: The Placement Units converted into Common Stock on a one-for-one basis upon consummation of the initial business combination and had no expiration date.

F2 · derivative.exercise_date: The Placement Units converted into Common Stock on a one-for-one basis upon consummation of the initial business combination and had no expiration date.

F2 · derivative.expiration_date: The Placement Units converted into Common Stock on a one-for-one basis upon consummation of the initial business combination and had no expiration date.

F3 · ownership.nature: By ChaSerg Technology Sponsor LLC ("Sponsor"). By virtue of the relationships between Explorer Parent LLC ("Explorer"), Founder Holdings LLC ("Founder") and Sponsor, each of Explorer and Founder may be deemed to share beneficial ownership of the securities held of record by Sponsor.

SEC source: 0001213900-18-013856 · ownership.xml · nonDerivative · entry 1

Chaserg Technology Sponsor LLC · CIK 0001752872 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 500,000

F1 · shares: These shares are underlying units (each unit consisting of one share of Class A common stock and one half of one warrant, each whole warrant exercisable to purchase one share of Class A common stock) held by Chaserg Technology Sponsor LLC (the "Sponsor"), acquired pursuant to a unit subscription agreement by and between the Sponsor and the issuer. Does not include 5,750,000 shares of Class B common stock previously reported on a Form 3, which shares will automatically convert into shares of Class A common stock at the time of the issuer's initial business combination, or earlier at the option of the holder, on a one-for-one basis, subject to adjustment for stock splits, stock dividends, reorganizations, recapitalizations and the like, and certain anti-dilution rights.

F1 · balance_after: These shares are underlying units (each unit consisting of one share of Class A common stock and one half of one warrant, each whole warrant exercisable to purchase one share of Class A common stock) held by Chaserg Technology Sponsor LLC (the "Sponsor"), acquired pursuant to a unit subscription agreement by and between the Sponsor and the issuer. Does not include 5,750,000 shares of Class B common stock previously reported on a Form 3, which shares will automatically convert into shares of Class A common stock at the time of the issuer's initial business combination, or earlier at the option of the holder, on a one-for-one basis, subject to adjustment for stock splits, stock dividends, reorganizations, recapitalizations and the like, and certain anti-dilution rights.

F2 · ownership.direct: Each of the issuer's officers, directors and advisors is, directly or indirectly, a member of the Sponsor. There are three managing members of the Sponsor. Each managing member of the Sponsor has one vote, and the approval of two of the three managing members is required to approve an action of the Sponsor. No individual managing member of the Sponsor exercises voting or dispositive control over any of the securities held by the Sponsor, even those in which he directly holds a pecuniary interest. Accordingly, none of them will be deemed to have or share beneficial ownership of such shares.