SST

SEC source: 0000899243-22-004249 · doc4.xml · derivative · entry 3

Kidambi Tridivesh · CIK 0001906862 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 436,093

Underlying: Class A Common Stock · 436,093 shares

Expires not disclosed

F3 · security: Represents Common Units of S1 Holdco, which are redeemable (in connection with the surrender and forfeiture of the corresponding shares of Class C common stock (See Footnote 2 above)) on a one-for-one basis for shares of the Company's Class A common stock, or, at the election of the Company, cash equal to the volume weighted average market price of a share of Class A Common Stock at the time of such redemption. The Common Units were acquired pursuant to a reclassification (exempt under Section 16b-7) and reorganization of the Company in connection with the Business Combination. Upon the closing of the Business Combination, the reporting person was issued one share of Class C Common Stock for each Common Unit held by the reporting person as of the closing. See Footnote 2 above.

F4 · derivative.exercise_price: The Common Units are redeemable (in connection with the surrender and forfeiture of the corresponding shares of Class C common stock (See Footnote 2 above)) on a one-for-one basis for shares of the Company's Class A Common Stock, or, at the election of the Company, cash equal to the volume weighted average market price of a share of Class A Common Stock at the time of such redemption. The Common Units have no expiration date. Upon any redemption of Common Units, the corresponding share of Class C common stock held by the reporting person is automatically forfeited and cancelled at the time of such redemption of the Common Unit.

F1 · price: Received in connection with the business combination (the "Business Combination") among System1, Inc., (f/k/a Trebia Acquisition Corp., the "Company"), S1 Holdco, LLC ("S1 Holdco"), Orchid Merger Sub I, Inc. ("Merger Sub I"), Orchid Merger Sub II, LLC ("Merger Sub II" and, together with Merger Sub I, the "Merger Subs"), System1 SS Protect Holdings, Inc. ("Protected") and the other parties signatory to that certain business combination agreement, dated as of June 28, 2021 (as amended on November 30, 2021, January 10, 2022 and January 25, 2022).

F4 · derivative.exercise_date: The Common Units are redeemable (in connection with the surrender and forfeiture of the corresponding shares of Class C common stock (See Footnote 2 above)) on a one-for-one basis for shares of the Company's Class A Common Stock, or, at the election of the Company, cash equal to the volume weighted average market price of a share of Class A Common Stock at the time of such redemption. The Common Units have no expiration date. Upon any redemption of Common Units, the corresponding share of Class C common stock held by the reporting person is automatically forfeited and cancelled at the time of such redemption of the Common Unit.

F4 · derivative.expiration_date: The Common Units are redeemable (in connection with the surrender and forfeiture of the corresponding shares of Class C common stock (See Footnote 2 above)) on a one-for-one basis for shares of the Company's Class A Common Stock, or, at the election of the Company, cash equal to the volume weighted average market price of a share of Class A Common Stock at the time of such redemption. The Common Units have no expiration date. Upon any redemption of Common Units, the corresponding share of Class C common stock held by the reporting person is automatically forfeited and cancelled at the time of such redemption of the Common Unit.

SEC source: 0000899243-22-004249 · doc4.xml · nonDerivative · entry 2

Kidambi Tridivesh · CIK 0001906862 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 436,093

F2 · security: In connection with the Business Combination, one share of the Company's Class C common stock was issued for each Class B Unit ("Common Unit") in S1 Holdco, LLC ("S1 Holdco") held by the reporting person as of the closing of the Business Combination. Pursuant to the Fifth Amended and Restated Limited Liability Company Operating Agreement of S1 Holdco, in connection with the redemption of the Common Units (at the election of the holder), the corresponding shares of Class C common stock in the Company held by the reporting person are forfeited and cancelled, on a one-for-one basis, without consideration, for either shares of Class A Common Stock, or cash, at the Issuer's election.

F1 · price: Received in connection with the business combination (the "Business Combination") among System1, Inc., (f/k/a Trebia Acquisition Corp., the "Company"), S1 Holdco, LLC ("S1 Holdco"), Orchid Merger Sub I, Inc. ("Merger Sub I"), Orchid Merger Sub II, LLC ("Merger Sub II" and, together with Merger Sub I, the "Merger Subs"), System1 SS Protect Holdings, Inc. ("Protected") and the other parties signatory to that certain business combination agreement, dated as of June 28, 2021 (as amended on November 30, 2021, January 10, 2022 and January 25, 2022).

SEC source: 0000899243-22-004249 · doc4.xml · nonDerivative · entry 1

Kidambi Tridivesh · CIK 0001906862 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 401,489

F1 · price: Received in connection with the business combination (the "Business Combination") among System1, Inc., (f/k/a Trebia Acquisition Corp., the "Company"), S1 Holdco, LLC ("S1 Holdco"), Orchid Merger Sub I, Inc. ("Merger Sub I"), Orchid Merger Sub II, LLC ("Merger Sub II" and, together with Merger Sub I, the "Merger Subs"), System1 SS Protect Holdings, Inc. ("Protected") and the other parties signatory to that certain business combination agreement, dated as of June 28, 2021 (as amended on November 30, 2021, January 10, 2022 and January 25, 2022).

SEC source: 0000899243-22-009798 · doc4a.xml · nonDerivative · entry 1

Kidambi Tridivesh · CIK 0001906862 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Spouse

Disclosed balance after: 15,518

F1 · price: Received in connection with the business combination (the "Business Combination") among System1, Inc. (f/k/a Trebia Acquisition Corp., the "Company"), S1 Holdco, LLC ("S1 Holdco"), Orchid Merger Sub I, Inc. ("Merger Sub I"), Orchid Merger Sub II, LLC ("Merger Sub II" and, together with Merger Sub I, the "Merger Subs"), System1 SS Protect Holdings, Inc. ("Protected") and the other parties signatory to that certain Business Combination Agreement, dated as of June 28, 2021 (as amended on November 30, 2021, January 10, 2022 and January 25, 2022).

SEC source: 0000899243-22-009795 · doc4a.xml · nonDerivative · entry 1

Blend L Michael · CIK 0001504477 · Director · CEO & Chairman

10b5-1 filing: Not disclosed

Ownership: Indirect · By LLC

Disclosed balance after: 3,086,790

F1 · price: Received in connection with the business combination (the "Business Combination") among System1, Inc. (f/k/a Trebia Acquisition Corp., the "Company"), S1 Holdco, LLC ("S1 Holdco"), Orchid Merger Sub I, Inc. ("Merger Sub I"), Orchid Merger Sub II, LLC ("Merger Sub II" and, together with Merger Sub I, the "Merger Subs"), System1 SS Protect Holdings, Inc. ("Protected") and the other parties signatory to that certain Business Combination Agreement, dated as of June 28, 2021 (as amended on November 30, 2021, January 10, 2022 and January 25, 2022).

F2 · ownership.nature: Reflects 3,086,790 shares held by Lone Investment Holdings, LLC ("LIH"). Mr. Blend is the manager of LIH, and may be deemed to have voting and dispositive power over the shares held by LIH. Mr. Blend disclaims beneficial ownership in the shares held by LIH except to the extent of his pecuniary interest therein.

SEC source: 0000899243-22-009791 · doc4a.xml · derivative · entry 2

Phillips Christopher Stephen · CIK 0001908124 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By JDIL

Disclosed balance after: 500,000

Underlying: Class A Common Stock · 500,000 shares

Expires not disclosed

F4 · derivative.exercise_price: Upon the closing of the Business Combination, JDIL acquired the warrants from BGPT Trebia, LP at a price of $1.50 per warrant share . Each whole warrant ("Warrant") entitles the holder thereof to purchase one share of the Company's Class A common stock at an exercise price of $11.50 per share. The warrants will become exercisable 30 days after the completion of the Business Combination, and will expire five (5) years after the completion of the Business Combination or earlier upon redemption or liquidation, as described under the heading "Description of System1 Securities-System1 Warrants" in the Company's registration statement on Form S-4 (File No. 333-260714).

F4 · price: Upon the closing of the Business Combination, JDIL acquired the warrants from BGPT Trebia, LP at a price of $1.50 per warrant share . Each whole warrant ("Warrant") entitles the holder thereof to purchase one share of the Company's Class A common stock at an exercise price of $11.50 per share. The warrants will become exercisable 30 days after the completion of the Business Combination, and will expire five (5) years after the completion of the Business Combination or earlier upon redemption or liquidation, as described under the heading "Description of System1 Securities-System1 Warrants" in the Company's registration statement on Form S-4 (File No. 333-260714).

F4 · derivative.exercise_date: Upon the closing of the Business Combination, JDIL acquired the warrants from BGPT Trebia, LP at a price of $1.50 per warrant share . Each whole warrant ("Warrant") entitles the holder thereof to purchase one share of the Company's Class A common stock at an exercise price of $11.50 per share. The warrants will become exercisable 30 days after the completion of the Business Combination, and will expire five (5) years after the completion of the Business Combination or earlier upon redemption or liquidation, as described under the heading "Description of System1 Securities-System1 Warrants" in the Company's registration statement on Form S-4 (File No. 333-260714).

F4 · derivative.expiration_date: Upon the closing of the Business Combination, JDIL acquired the warrants from BGPT Trebia, LP at a price of $1.50 per warrant share . Each whole warrant ("Warrant") entitles the holder thereof to purchase one share of the Company's Class A common stock at an exercise price of $11.50 per share. The warrants will become exercisable 30 days after the completion of the Business Combination, and will expire five (5) years after the completion of the Business Combination or earlier upon redemption or liquidation, as described under the heading "Description of System1 Securities-System1 Warrants" in the Company's registration statement on Form S-4 (File No. 333-260714).

F3 · ownership.nature: Reflects shares held by Just Develop It Limited ("JDIL"), a private limited company organized under the laws of England and Wales. JDIL's controlling stockholder is Christopher Phillips and Christopher Phillips is a director of JDIL. Mr. Phillips has voting and dispositive power over the securities held by JDIL , and thus may be deemed to beneficially own the securities held by JDIL, but disclaims such beneficial ownership except to any pecuniary interest therein.

SEC source: 0001140361-22-003133 · form4.xml · nonDerivative · entry 1

Trasimene Trebia, LP · CIK 0001814422 · Director · 10% owner

Trasimene Trebia, LLC · CIK 0001814428 · Director · 10% owner

FOLEY WILLIAM P II · CIK 0000903213 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,728,437

F3 · kind: Trasimene forfeited the shares of Class A common stock to the Issuer for no consideration pursuant to the Business Combination Agreement, dated June 28, 2021, by and among Trebia Acquisition Corp. ("Trebia"), S1 Holdco, LLC, Inc., System1 SS Protect Holdings, Inc., and the other parties thereto, as amended (the "Business Combination Agreement"), and the Amended and Restated Sponsor Agreement, dated January 10, 2022, by and among BGPT Trebia LP, Trasimene, and the other parties thereto (the "A&R Sponsor Agreement").

F1 · ownership.direct: This form is being filed by each of the following Reporting Persons: Trasimene Trebia, LP ("Trasimene"); Trasimene Trebia, LLC ("Trasimene Trebia"); and William P. Foley, II (collectively, the "Reporting Persons"). William P. Foley, II is the sole member of Trasimene Trebia, which is the sole general partner of Trasimene. 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. Each Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein, if any.

F2 · ownership.direct: Directly owned by Trasimene.

SEC source: 0001140361-22-003131 · form4.xml · nonDerivative · entry 1

BGPT Trebia LP · CIK 0001814538 · Director · 10% owner

Bridgeport Partners GP LLC · CIK 0001814800 · Director · 10% owner

MARTIRE FRANK R · CIK 0001226913 · Director · 10% owner

Martire Frank III · CIK 0001815207 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,234,063

F3 · kind: BGPT forfeited the shares of Class A common stock to the Issuer for no consideration pursuant to the Business Combination Agreement, dated June 28, 2021, by and among Trebia Acquisition Corp. ("Trebia"), S1 Holdco, LLC, Inc., System1 SS Protect Holdings, Inc., and the other parties thereto, as amended (the "Business Combination Agreement"), and the Amended and Restated Sponsor Agreement, dated January 10, 2022, by and among BGPT, Trasimene Trebia LP, and the other parties thereto (the "A&R Sponsor Agreement").

F1 · ownership.direct: This form is being filed by each of the following Reporting Persons: BGPT Trebia LP ("BGPT"), Bridgeport Partners GP LLC ("Bridgeport Partners GP"), Frank R. Martire, Jr. and Frank Martire, III (collectively, the "Reporting Persons"). The sole general partner of BGPT is Bridgeport Partners GP. Each of Frank R. Martire, Jr. and Frank Martire, III is a managing member of Bridgeport Partners GP. 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. Each Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein, if any.

F2 · ownership.direct: Directly owned by BGPT.

SEC source: 0001104659-21-003980 · tm213148-1_4seq1.xml · derivative · entry 2

Linehan Mark David · CIK 0001491884 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,000

Underlying: Class A ordinary share, par value $0.0001 · 18,100 shares

Expires not disclosed

F1 · security: Each whole warrant entitles the holder thereof to purchase one Class A ordinary share of Trebia Acquisition Corp. (the "Issuer") at an exercise price of $11.50 per share. The warrants will become exercisable on the later of 30 days after the completion of the Issuer's initial business combination and 12 months from the closing of the Issuer's initial public offering. The warrants will expire five years after the completion of the Issuer's initial business combination or earlier upon redemption or liquidation, as described under the heading "Description of Securities--Warrants" in the Issuer's registration statement on Form S-1 (File No. 333-238824).

F1 · derivative.exercise_price: Each whole warrant entitles the holder thereof to purchase one Class A ordinary share of Trebia Acquisition Corp. (the "Issuer") at an exercise price of $11.50 per share. The warrants will become exercisable on the later of 30 days after the completion of the Issuer's initial business combination and 12 months from the closing of the Issuer's initial public offering. The warrants will expire five years after the completion of the Issuer's initial business combination or earlier upon redemption or liquidation, as described under the heading "Description of Securities--Warrants" in the Issuer's registration statement on Form S-1 (File No. 333-238824).

F1 · shares: Each whole warrant entitles the holder thereof to purchase one Class A ordinary share of Trebia Acquisition Corp. (the "Issuer") at an exercise price of $11.50 per share. The warrants will become exercisable on the later of 30 days after the completion of the Issuer's initial business combination and 12 months from the closing of the Issuer's initial public offering. The warrants will expire five years after the completion of the Issuer's initial business combination or earlier upon redemption or liquidation, as described under the heading "Description of Securities--Warrants" in the Issuer's registration statement on Form S-1 (File No. 333-238824).

F1 · price: Each whole warrant entitles the holder thereof to purchase one Class A ordinary share of Trebia Acquisition Corp. (the "Issuer") at an exercise price of $11.50 per share. The warrants will become exercisable on the later of 30 days after the completion of the Issuer's initial business combination and 12 months from the closing of the Issuer's initial public offering. The warrants will expire five years after the completion of the Issuer's initial business combination or earlier upon redemption or liquidation, as described under the heading "Description of Securities--Warrants" in the Issuer's registration statement on Form S-1 (File No. 333-238824).

F1 · derivative.exercise_date: Each whole warrant entitles the holder thereof to purchase one Class A ordinary share of Trebia Acquisition Corp. (the "Issuer") at an exercise price of $11.50 per share. The warrants will become exercisable on the later of 30 days after the completion of the Issuer's initial business combination and 12 months from the closing of the Issuer's initial public offering. The warrants will expire five years after the completion of the Issuer's initial business combination or earlier upon redemption or liquidation, as described under the heading "Description of Securities--Warrants" in the Issuer's registration statement on Form S-1 (File No. 333-238824).

F1 · derivative.expiration_date: Each whole warrant entitles the holder thereof to purchase one Class A ordinary share of Trebia Acquisition Corp. (the "Issuer") at an exercise price of $11.50 per share. The warrants will become exercisable on the later of 30 days after the completion of the Issuer's initial business combination and 12 months from the closing of the Issuer's initial public offering. The warrants will expire five years after the completion of the Issuer's initial business combination or earlier upon redemption or liquidation, as described under the heading "Description of Securities--Warrants" in the Issuer's registration statement on Form S-1 (File No. 333-238824).

SEC source: 0001104659-21-003980 · tm213148-1_4seq1.xml · derivative · entry 1

Linehan Mark David · CIK 0001491884 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,900

Underlying: Class A ordinary share, par value $0.0001 · 6,900 shares

Expires not disclosed

F1 · security: Each whole warrant entitles the holder thereof to purchase one Class A ordinary share of Trebia Acquisition Corp. (the "Issuer") at an exercise price of $11.50 per share. The warrants will become exercisable on the later of 30 days after the completion of the Issuer's initial business combination and 12 months from the closing of the Issuer's initial public offering. The warrants will expire five years after the completion of the Issuer's initial business combination or earlier upon redemption or liquidation, as described under the heading "Description of Securities--Warrants" in the Issuer's registration statement on Form S-1 (File No. 333-238824).

F1 · derivative.exercise_price: Each whole warrant entitles the holder thereof to purchase one Class A ordinary share of Trebia Acquisition Corp. (the "Issuer") at an exercise price of $11.50 per share. The warrants will become exercisable on the later of 30 days after the completion of the Issuer's initial business combination and 12 months from the closing of the Issuer's initial public offering. The warrants will expire five years after the completion of the Issuer's initial business combination or earlier upon redemption or liquidation, as described under the heading "Description of Securities--Warrants" in the Issuer's registration statement on Form S-1 (File No. 333-238824).

F1 · shares: Each whole warrant entitles the holder thereof to purchase one Class A ordinary share of Trebia Acquisition Corp. (the "Issuer") at an exercise price of $11.50 per share. The warrants will become exercisable on the later of 30 days after the completion of the Issuer's initial business combination and 12 months from the closing of the Issuer's initial public offering. The warrants will expire five years after the completion of the Issuer's initial business combination or earlier upon redemption or liquidation, as described under the heading "Description of Securities--Warrants" in the Issuer's registration statement on Form S-1 (File No. 333-238824).

F1 · price: Each whole warrant entitles the holder thereof to purchase one Class A ordinary share of Trebia Acquisition Corp. (the "Issuer") at an exercise price of $11.50 per share. The warrants will become exercisable on the later of 30 days after the completion of the Issuer's initial business combination and 12 months from the closing of the Issuer's initial public offering. The warrants will expire five years after the completion of the Issuer's initial business combination or earlier upon redemption or liquidation, as described under the heading "Description of Securities--Warrants" in the Issuer's registration statement on Form S-1 (File No. 333-238824).

F1 · derivative.exercise_date: Each whole warrant entitles the holder thereof to purchase one Class A ordinary share of Trebia Acquisition Corp. (the "Issuer") at an exercise price of $11.50 per share. The warrants will become exercisable on the later of 30 days after the completion of the Issuer's initial business combination and 12 months from the closing of the Issuer's initial public offering. The warrants will expire five years after the completion of the Issuer's initial business combination or earlier upon redemption or liquidation, as described under the heading "Description of Securities--Warrants" in the Issuer's registration statement on Form S-1 (File No. 333-238824).

F1 · derivative.expiration_date: Each whole warrant entitles the holder thereof to purchase one Class A ordinary share of Trebia Acquisition Corp. (the "Issuer") at an exercise price of $11.50 per share. The warrants will become exercisable on the later of 30 days after the completion of the Issuer's initial business combination and 12 months from the closing of the Issuer's initial public offering. The warrants will expire five years after the completion of the Issuer's initial business combination or earlier upon redemption or liquidation, as described under the heading "Description of Securities--Warrants" in the Issuer's registration statement on Form S-1 (File No. 333-238824).