Concord Sponsor Group III LLC

SEC source: 0001104659-25-029344 · tm2510715-3_4seq1.xml · derivative · entry 2

Concord Sponsor Group III LLC · CIK 0001891676 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,948,086 shares

Expires not disclosed

F1 · kind: Pro rata distribution from the Reporting Person to its members.

F3 · price: The securities are held directly by the Reporting Person. The Reporting Person is governed by a board of managers consisting of three managers, Bob Diamond, David Schamis and Tim Kacani. Any action by the Reporting Person with respect to the issuer or the issuer's securities held by the Reporting Person, including voting and dispositive decisions, requires at least a majority vote of the managers of the board of managers. Under the so-called "rule of three", because voting and dispositive decisions are made by a majority of the managers, none of the managers is deemed to be a beneficial owner of issuer's securities held by the Reporting Person, even those in which such manager holds a pecuniary interest. Accordingly, none of the managers on the Reporting Person's board of managers is deemed to have or share beneficial ownership of the founder shares held by the Reporting Person.

F4 · derivative.exercise_date: These warrants became exercisable 30 days after the closing of the business combination (the "Closing"), on March 26, 2024, by and among the Issuer, Gibraltar Merger Sub Inc., a Delaware corporation, and GCT Semiconductors, Inc., a Delaware corporation, pursuant to a business combination agreement entered into on November 2, 2023, and will expire five years after the Closing.

F4 · derivative.expiration_date: These warrants became exercisable 30 days after the closing of the business combination (the "Closing"), on March 26, 2024, by and among the Issuer, Gibraltar Merger Sub Inc., a Delaware corporation, and GCT Semiconductors, Inc., a Delaware corporation, pursuant to a business combination agreement entered into on November 2, 2023, and will expire five years after the Closing.

F2 · ownership.direct: Includes 532,190 shares of common stock that are subject to forfeiture on March 26, 2029 if the volume weighted average price of the Issuer's common stock does not trade above certain specified prices for any 20 trading day period within a period of 30 consecutive trading days prior to such date.

SEC source: 0001104659-25-029344 · tm2510715-3_4seq1.xml · nonDerivative · entry 1

Concord Sponsor Group III LLC · CIK 0001891676 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 632,586

F1 · kind: Pro rata distribution from the Reporting Person to its members.

F1 · price: Pro rata distribution from the Reporting Person to its members.

F2 · balance_after: Includes 532,190 shares of common stock that are subject to forfeiture on March 26, 2029 if the volume weighted average price of the Issuer's common stock does not trade above certain specified prices for any 20 trading day period within a period of 30 consecutive trading days prior to such date.

F3 · ownership.direct: The securities are held directly by the Reporting Person. The Reporting Person is governed by a board of managers consisting of three managers, Bob Diamond, David Schamis and Tim Kacani. Any action by the Reporting Person with respect to the issuer or the issuer's securities held by the Reporting Person, including voting and dispositive decisions, requires at least a majority vote of the managers of the board of managers. Under the so-called "rule of three", because voting and dispositive decisions are made by a majority of the managers, none of the managers is deemed to be a beneficial owner of issuer's securities held by the Reporting Person, even those in which such manager holds a pecuniary interest. Accordingly, none of the managers on the Reporting Person's board of managers is deemed to have or share beneficial ownership of the founder shares held by the Reporting Person.

SEC source: 0001104659-24-040745 · tm2410172-1_4seq1.xml · derivative · entry 8

Concord Sponsor Group III LLC · CIK 0001891676 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,948,086

Underlying: Common Stock · 1,834,338 shares

Expires not disclosed

F9 · kind: Represents 1,834,338 warrants of the Issuer transferred from the Reporting Person to individuals and entities for no consideration pursuant to the Sponsor Support Agreement.

F9 · price: Represents 1,834,338 warrants of the Issuer transferred from the Reporting Person to individuals and entities for no consideration pursuant to the Sponsor Support Agreement.

F7 · derivative.exercise_date: These warrants will become exercisable 30 days after the Closing and expire five years after the Closing, as described in the Registration Statement.

F7 · derivative.expiration_date: These warrants will become exercisable 30 days after the Closing and expire five years after the Closing, as described in the Registration Statement.

F2 · ownership.direct: The securities are held directly by the Reporting Person. The Reporting Person is governed by a board of managers consisting of three managers, Bob Diamond, David Schamis and Jeff Tuder. Any action by the Reporting Person with respect to the issuer or the issuer's securities held by the Reporting Person, including voting and dispositive decisions, requires at least a majority vote of the managers of the board of managers. Under the so-called "rule of three", because voting and dispositive decisions are made by a majority of the managers, none of the managers is deemed to be a beneficial owner of issuer's securities held by the Reporting Person, even those in which such manager holds a pecuniary interest. Accordingly, none of the managers on the Reporting Person's board of managers is deemed to have or share beneficial ownership of the founder shares held by the Reporting Person.

SEC source: 0001104659-24-040745 · tm2410172-1_4seq1.xml · derivative · entry 7

Concord Sponsor Group III LLC · CIK 0001891676 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,782,424

Underlying: Common Stock · 2,478,182 shares

Expires not disclosed

F8 · kind: Represents 2,478,182 warrants of the Issuer forfeited by the Reporting Person to the Issuer for no consideration pursuant to the Sponsor Support Agreement.

F8 · price: Represents 2,478,182 warrants of the Issuer forfeited by the Reporting Person to the Issuer for no consideration pursuant to the Sponsor Support Agreement.

F7 · derivative.exercise_date: These warrants will become exercisable 30 days after the Closing and expire five years after the Closing, as described in the Registration Statement.

F7 · derivative.expiration_date: These warrants will become exercisable 30 days after the Closing and expire five years after the Closing, as described in the Registration Statement.

F2 · ownership.direct: The securities are held directly by the Reporting Person. The Reporting Person is governed by a board of managers consisting of three managers, Bob Diamond, David Schamis and Jeff Tuder. Any action by the Reporting Person with respect to the issuer or the issuer's securities held by the Reporting Person, including voting and dispositive decisions, requires at least a majority vote of the managers of the board of managers. Under the so-called "rule of three", because voting and dispositive decisions are made by a majority of the managers, none of the managers is deemed to be a beneficial owner of issuer's securities held by the Reporting Person, even those in which such manager holds a pecuniary interest. Accordingly, none of the managers on the Reporting Person's board of managers is deemed to have or share beneficial ownership of the founder shares held by the Reporting Person.

SEC source: 0001104659-24-040745 · tm2410172-1_4seq1.xml · derivative · entry 6

Concord Sponsor Group III LLC · CIK 0001891676 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,260,606

Underlying: Common Stock · 8,260,606 shares

Expires not disclosed

F7 · kind: These warrants will become exercisable 30 days after the Closing and expire five years after the Closing, as described in the Registration Statement.

F7 · price: These warrants will become exercisable 30 days after the Closing and expire five years after the Closing, as described in the Registration Statement.

F7 · derivative.exercise_date: These warrants will become exercisable 30 days after the Closing and expire five years after the Closing, as described in the Registration Statement.

F7 · derivative.expiration_date: These warrants will become exercisable 30 days after the Closing and expire five years after the Closing, as described in the Registration Statement.

F2 · ownership.direct: The securities are held directly by the Reporting Person. The Reporting Person is governed by a board of managers consisting of three managers, Bob Diamond, David Schamis and Jeff Tuder. Any action by the Reporting Person with respect to the issuer or the issuer's securities held by the Reporting Person, including voting and dispositive decisions, requires at least a majority vote of the managers of the board of managers. Under the so-called "rule of three", because voting and dispositive decisions are made by a majority of the managers, none of the managers is deemed to be a beneficial owner of issuer's securities held by the Reporting Person, even those in which such manager holds a pecuniary interest. Accordingly, none of the managers on the Reporting Person's board of managers is deemed to have or share beneficial ownership of the founder shares held by the Reporting Person.

SEC source: 0001104659-24-040745 · tm2410172-1_4seq1.xml · derivative · entry 5

Concord Sponsor Group III LLC · CIK 0001891676 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1 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.

F6 · derivative.exercise_price: The shares of Class B common stock 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 as set forth in the Issuer's registration statement on Form S-1 (File No. 333-254789), as amended (the "Registration Statement").

F1 · kind: Represents one share of common stock of the Issuer acquired upon conversion of one share of Class B common stock of the Issuer (f/k/a Concord Acquisition Corp III) upon the closing of the business combination (the "Closing") by and among the Issuer, Gibraltar Merger Sub Inc. ("Merger Sub"), a Delaware corporation, and GCT Semiconductors, Inc. ("GCT"), a Delaware corporation, pursuant to a business combination agreement entered into on November 2, 2023 (the "Business Combination Agreement"). At the Closing, Merger Sub merged with and into GCT, with GCT surviving the merger and becoming a wholly-owned direct subsidiary of the Issuer, and the Issuer was renamed to GCT Semiconductor Holding, Inc.

F1 · price: Represents one share of common stock of the Issuer acquired upon conversion of one share of Class B common stock of the Issuer (f/k/a Concord Acquisition Corp III) upon the closing of the business combination (the "Closing") by and among the Issuer, Gibraltar Merger Sub Inc. ("Merger Sub"), a Delaware corporation, and GCT Semiconductors, Inc. ("GCT"), a Delaware corporation, pursuant to a business combination agreement entered into on November 2, 2023 (the "Business Combination Agreement"). At the Closing, Merger Sub merged with and into GCT, with GCT surviving the merger and becoming a wholly-owned direct subsidiary of the Issuer, and the Issuer was renamed to GCT Semiconductor Holding, Inc.

F6 · derivative.exercise_date: The shares of Class B common stock 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 as set forth in the Issuer's registration statement on Form S-1 (File No. 333-254789), as amended (the "Registration Statement").

F6 · derivative.expiration_date: The shares of Class B common stock 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 as set forth in the Issuer's registration statement on Form S-1 (File No. 333-254789), as amended (the "Registration Statement").

F2 · ownership.direct: The securities are held directly by the Reporting Person. The Reporting Person is governed by a board of managers consisting of three managers, Bob Diamond, David Schamis and Jeff Tuder. Any action by the Reporting Person with respect to the issuer or the issuer's securities held by the Reporting Person, including voting and dispositive decisions, requires at least a majority vote of the managers of the board of managers. Under the so-called "rule of three", because voting and dispositive decisions are made by a majority of the managers, none of the managers is deemed to be a beneficial owner of issuer's securities held by the Reporting Person, even those in which such manager holds a pecuniary interest. Accordingly, none of the managers on the Reporting Person's board of managers is deemed to have or share beneficial ownership of the founder shares held by the Reporting Person.

SEC source: 0001104659-24-040745 · tm2410172-1_4seq1.xml · nonDerivative · entry 4

Concord Sponsor Group III LLC · CIK 0001891676 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,992,126

F5 · kind: Represents 1,304,477 shares of common stock of the Issuer transferred from the Reporting Person to individuals and entities for no consideration pursuant to a sponsor support agreement (the "Sponsor Support Agreement") entered into concurrently with the Business Combination Agreement, by and among the Reporting Person, CA2 Co-Investment LLC, a Delaware limited liability company, the Issuer and GCT on November 2, 2023.

F5 · price: Represents 1,304,477 shares of common stock of the Issuer transferred from the Reporting Person to individuals and entities for no consideration pursuant to a sponsor support agreement (the "Sponsor Support Agreement") entered into concurrently with the Business Combination Agreement, by and among the Reporting Person, CA2 Co-Investment LLC, a Delaware limited liability company, the Issuer and GCT on November 2, 2023.

F10 · balance_after: Includes 1,790,489 shares of common stock of the Issuer that are unvested and subject to vesting based on the trading price of the common stock of Issuer exceeding certain specified targets prior to March 26, 2029.

F2 · ownership.direct: The securities are held directly by the Reporting Person. The Reporting Person is governed by a board of managers consisting of three managers, Bob Diamond, David Schamis and Jeff Tuder. Any action by the Reporting Person with respect to the issuer or the issuer's securities held by the Reporting Person, including voting and dispositive decisions, requires at least a majority vote of the managers of the board of managers. Under the so-called "rule of three", because voting and dispositive decisions are made by a majority of the managers, none of the managers is deemed to be a beneficial owner of issuer's securities held by the Reporting Person, even those in which such manager holds a pecuniary interest. Accordingly, none of the managers on the Reporting Person's board of managers is deemed to have or share beneficial ownership of the founder shares held by the Reporting Person.

SEC source: 0001104659-24-040745 · tm2410172-1_4seq1.xml · nonDerivative · entry 3

Concord Sponsor Group III LLC · CIK 0001891676 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,296,603

F4 · kind: Represents 729,072 shares of common stock of the Issuer forfeited by the Reporting Person to the issuer for no consideration pursuant to certain non-redemption agreements entered into in connection with the Issuer's extension in November, 2023.

F4 · price: Represents 729,072 shares of common stock of the Issuer forfeited by the Reporting Person to the issuer for no consideration pursuant to certain non-redemption agreements entered into in connection with the Issuer's extension in November, 2023.

F2 · ownership.direct: The securities are held directly by the Reporting Person. The Reporting Person is governed by a board of managers consisting of three managers, Bob Diamond, David Schamis and Jeff Tuder. Any action by the Reporting Person with respect to the issuer or the issuer's securities held by the Reporting Person, including voting and dispositive decisions, requires at least a majority vote of the managers of the board of managers. Under the so-called "rule of three", because voting and dispositive decisions are made by a majority of the managers, none of the managers is deemed to be a beneficial owner of issuer's securities held by the Reporting Person, even those in which such manager holds a pecuniary interest. Accordingly, none of the managers on the Reporting Person's board of managers is deemed to have or share beneficial ownership of the founder shares held by the Reporting Person.

SEC source: 0001104659-24-040745 · tm2410172-1_4seq1.xml · nonDerivative · entry 2

Concord Sponsor Group III LLC · CIK 0001891676 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,025,675

F3 · kind: Represents 932,052 shares of common stock of the Issuer transferred from the Reporting Person to individuals and entities for no consideration pursuant to certain non-redemption agreements entered into in connection with the Issuer's extension in May, 2023.

F3 · price: Represents 932,052 shares of common stock of the Issuer transferred from the Reporting Person to individuals and entities for no consideration pursuant to certain non-redemption agreements entered into in connection with the Issuer's extension in May, 2023.

F2 · ownership.direct: The securities are held directly by the Reporting Person. The Reporting Person is governed by a board of managers consisting of three managers, Bob Diamond, David Schamis and Jeff Tuder. Any action by the Reporting Person with respect to the issuer or the issuer's securities held by the Reporting Person, including voting and dispositive decisions, requires at least a majority vote of the managers of the board of managers. Under the so-called "rule of three", because voting and dispositive decisions are made by a majority of the managers, none of the managers is deemed to be a beneficial owner of issuer's securities held by the Reporting Person, even those in which such manager holds a pecuniary interest. Accordingly, none of the managers on the Reporting Person's board of managers is deemed to have or share beneficial ownership of the founder shares held by the Reporting Person.

SEC source: 0001104659-24-040745 · tm2410172-1_4seq1.xml · nonDerivative · entry 1

Concord Sponsor Group III LLC · CIK 0001891676 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,957,727

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: Represents one share of common stock of the Issuer acquired upon conversion of one share of Class B common stock of the Issuer (f/k/a Concord Acquisition Corp III) upon the closing of the business combination (the "Closing") by and among the Issuer, Gibraltar Merger Sub Inc. ("Merger Sub"), a Delaware corporation, and GCT Semiconductors, Inc. ("GCT"), a Delaware corporation, pursuant to a business combination agreement entered into on November 2, 2023 (the "Business Combination Agreement"). At the Closing, Merger Sub merged with and into GCT, with GCT surviving the merger and becoming a wholly-owned direct subsidiary of the Issuer, and the Issuer was renamed to GCT Semiconductor Holding, Inc.

F1 · price: Represents one share of common stock of the Issuer acquired upon conversion of one share of Class B common stock of the Issuer (f/k/a Concord Acquisition Corp III) upon the closing of the business combination (the "Closing") by and among the Issuer, Gibraltar Merger Sub Inc. ("Merger Sub"), a Delaware corporation, and GCT Semiconductors, Inc. ("GCT"), a Delaware corporation, pursuant to a business combination agreement entered into on November 2, 2023 (the "Business Combination Agreement"). At the Closing, Merger Sub merged with and into GCT, with GCT surviving the merger and becoming a wholly-owned direct subsidiary of the Issuer, and the Issuer was renamed to GCT Semiconductor Holding, Inc.

F2 · ownership.direct: The securities are held directly by the Reporting Person. The Reporting Person is governed by a board of managers consisting of three managers, Bob Diamond, David Schamis and Jeff Tuder. Any action by the Reporting Person with respect to the issuer or the issuer's securities held by the Reporting Person, including voting and dispositive decisions, requires at least a majority vote of the managers of the board of managers. Under the so-called "rule of three", because voting and dispositive decisions are made by a majority of the managers, none of the managers is deemed to be a beneficial owner of issuer's securities held by the Reporting Person, even those in which such manager holds a pecuniary interest. Accordingly, none of the managers on the Reporting Person's board of managers is deemed to have or share beneficial ownership of the founder shares held by the Reporting Person.

SEC source: 0001104659-23-119628 · tm2331046-1_4seq1.xml · derivative · entry 2

Concord Sponsor Group III LLC · CIK 0001891676 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1

Underlying: Class A Common Stock · 7,957,726 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.

F3 · derivative.exercise_price: The shares of Class B common stock have no expiration date and 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 as set forth in the Issuer's registration statement on Form S-1 (File No. 333-254789).

F1 · kind: Represents shares of Class A common stock of the Issuer acquired upon conversion of shares of Class B common stock of the Issuer at the Reporting Person's election.

F1 · price: Represents shares of Class A common stock of the Issuer acquired upon conversion of shares of Class B common stock of the Issuer at the Reporting Person's election.

F3 · derivative.exercise_date: The shares of Class B common stock have no expiration date and 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 as set forth in the Issuer's registration statement on Form S-1 (File No. 333-254789).

F3 · derivative.expiration_date: The shares of Class B common stock have no expiration date and 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 as set forth in the Issuer's registration statement on Form S-1 (File No. 333-254789).

F2 · ownership.direct: The shares are held directly by the Reporting Person. The Reporting Person is governed by a board of managers consisting of three managers, Bob Diamond, David Schamis and Jeff Tuder. Any action by the Reporting Person with respect to the issuer or the issuer's securities held by the Reporting Person, including voting and dispositive decisions, requires at least a majority vote of the managers of the board of managers. Under the so-called "rule of three", because voting and dispositive decisions are made by a majority of the managers, none of the managers is deemed to be a beneficial owner of issuer's securities held by the Sponsor, even those in which such manager holds a pecuniary interest. Accordingly, none of the managers on the Reporting Person's board of managers is deemed to have or share beneficial ownership of the founder shares held by the Reporting Person.

SEC source: 0001104659-23-119628 · tm2331046-1_4seq1.xml · nonDerivative · entry 1

Concord Sponsor Group III LLC · CIK 0001891676 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,957,726

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: Represents shares of Class A common stock of the Issuer acquired upon conversion of shares of Class B common stock of the Issuer at the Reporting Person's election.

F1 · price: Represents shares of Class A common stock of the Issuer acquired upon conversion of shares of Class B common stock of the Issuer at the Reporting Person's election.

F2 · ownership.direct: The shares are held directly by the Reporting Person. The Reporting Person is governed by a board of managers consisting of three managers, Bob Diamond, David Schamis and Jeff Tuder. Any action by the Reporting Person with respect to the issuer or the issuer's securities held by the Reporting Person, including voting and dispositive decisions, requires at least a majority vote of the managers of the board of managers. Under the so-called "rule of three", because voting and dispositive decisions are made by a majority of the managers, none of the managers is deemed to be a beneficial owner of issuer's securities held by the Sponsor, even those in which such manager holds a pecuniary interest. Accordingly, none of the managers on the Reporting Person's board of managers is deemed to have or share beneficial ownership of the founder shares held by the Reporting Person.