FA

SEC source: 0000899243-21-045104 · doc4.xml · nonDerivative · entry 1

SLTA V (GP), L.L.C. · CIK 0001737652 · Director · 10% owner

Silver Lake Group, L.L.C. · CIK 0001418226 · Director · 10% owner

Silver Lake Technology Associates V, L.P. · CIK 0001737657 · Director · 10% owner

SLP Fastball Aggregator, L.P. · CIK 0001866145 · Director · 10% owner

Osnoss Joseph · CIK 0001603955 · Director

SLP V Aggregator GP, L.L.C. · CIK 0001811441 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Held through SLP Fastball Aggregator, L.P.

Disclosed balance after: 94,947,680

F1 · price: This amount represents the $20.00 secondary public offering price per share of common stock of First Advantage Corporation (the "Issuer"), less the underwriting discount of $0.70 per share for shares sold pursuant to a registered public offering.

F2 · ownership.nature: Represents securities held by SLP Fastball Aggregator, L.P. ("SLP Fastball"). SLP V Aggregator GP, L.L.C. ("SLP V GP") is the general partner of SLP Fastball. Silver Lake Technology Associates V, L.P. ("SLTA V") is the managing member of SLP V GP. SLTA V (GP), L.L.C. ("SLTA V GP") is the general partner of SLTA V. Silver Lake Group, L.L.C. ("SLG") is the managing member of SLTA V GP. Mr. Joseph Osnoss serves as a member of the board of directors of the Issuer and is a Managing Member of SLG. Each of SLP Fastball, SLP V GP, SLTA V, SLTA V GP and SLG may be deemed to be a director by deputization of the Issuer.

SEC source: 0000899243-21-045055 · doc4.xml · derivative · entry 2

Jaeger Joseph K. · CIK 0001865850 · President, Americas

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 378,291

Underlying: Common Stock · 59,690 shares

Expires 2031-06-22

F2 · kind: Represents the vesting of a portion of performance-based stock options in connection with the satisfaction of certain performance-based vesting conditions upon the closing of a registered public offering of common stock.

F3 · derivative.exercise_date: Of these options, 252,540 are unvested options which will vest as to 63,913 options on January 31, 2022, and the remainder in equal annual installments on each of January 31, 2023, 2024 and 2025, subject to continued service through such dates. Does not include certain performance-based options for which the performance criteria has not yet been met, which options will be reported when earned upon achievement of such performance criteria.

SEC source: 0000899243-21-045055 · doc4.xml · nonDerivative · entry 1

Jaeger Joseph K. · CIK 0001865850 · President, Americas

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 704,890

F1 · price: This amount represents the $20.00 secondary public offering price per share of common stock of First Advantage Corporation (the "Issuer"), less the underwriting discount of $0.70 per share for shares sold pursuant to a registered public offering.

SEC source: 0000899243-21-045056 · doc4.xml · derivative · entry 2

Staples Scott · CIK 0001865624 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,291,143

Underlying: Common Stock · 203,725 shares

Expires 2031-06-22

F2 · kind: Represents the vesting of a portion of performance-based stock options in connection with the satisfaction of certain performance-based vesting conditions upon the closing of a registered public offering of common stock.

F3 · derivative.exercise_date: Of these options, 861,943 are unvested options which will vest as to 218,141 options on January 31, 2022, and the remainder in equal annual installments on each of January 31, 2023, 2024 and 2025, subject to continued service through such dates. Does not include certain performance-based options for which the performance criteria has not yet been met, which options will be reported when earned upon achievement of such performance criteria.

SEC source: 0000899243-21-045056 · doc4.xml · nonDerivative · entry 1

Staples Scott · CIK 0001865624 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,798,220

F1 · price: This amount represents the $20.00 secondary public offering price per share of common stock of First Advantage Corporation (the "Issuer"), less the underwriting discount of $0.70 per share for shares sold pursuant to a registered public offering.

SEC source: 0000899243-21-045054 · doc4.xml · derivative · entry 2

Jardine Bret T · CIK 0001398537 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 97,579

Underlying: Common Stock · 15,397 shares

Expires 2031-06-25

F3 · kind: Represents the vesting of a portion of performance-based stock options in connection with the satisfaction of certain performance-based vesting conditions upon the closing of a registered public offering of common stock.

F4 · derivative.exercise_date: Of these options, 65,142 are unvested options which will vest as to 16,486 options on January 31, 2022, and the remainder in equal annual installments on each of January 31, 2023, 2024 and 2025, subject to continued service through such dates. Does not include certain performance-based options for which the performance criteria has not yet been met, which options will be reported when earned upon achievement of such performance criteria.

SEC source: 0000899243-21-045054 · doc4.xml · nonDerivative · entry 1

Jardine Bret T · CIK 0001398537 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,055

F1 · price: This amount represents the $20.00 secondary public offering price per share of common stock of First Advantage Corporation (the "Issuer"), less the underwriting discount of $0.70 per share for shares sold pursuant to a registered public offering.

F2 · balance_after: Represents shares of common stock received in a distribution from Fastball Holdco, L.P. in respect of certain of the reporting person's previously held interests in Fastball Holdco, L.P.

SEC source: 0000899243-21-026575 · doc4.xml · derivative · entry 3

GAMSEY DAVID L · CIK 0001113949 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 227,024

Underlying: Common Stock · 3,009 shares

Expires 2031-06-22

F5 · kind: Represents the vesting of a portion of performance-based stock options in connection with the satisfaction of certain performance-based vesting conditions upon the closing of the Issuer's initial public offering.

F3 · derivative.exercise_date: Of these options, 179,212 are unvested options which will vest in equal annual installments on January 31, 2022, 2023, 2024 and 2025, subject to continued service through such dates. Does not include unvested performance-based options which will be reported when earned upon achievement of certain performance criteria.

SEC source: 0000899243-21-026575 · doc4.xml · nonDerivative · entry 1

GAMSEY DAVID L · CIK 0001113949 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 591,993

F1 · price: This amount represents the $15.00 initial public offering price per share of common stock of First Advantage Corporation (the "Issuer"), less the underwriting discount of $0.975 per share for shares sold pursuant to the issuer's initial public offering.

F2 · balance_after: Represents shares of common stock received in a distribution from Fastball Holdco, L.P. in respect of certain of the reporting person's previously held interests in Fastball Holdco, L.P. Of these shares of common stock, 405,291 are unvested, of which, (i) 181,484 shares of common stock are subject to time-based vesting requirements and will vest in equal annual installments on January 31, 2022, 2023, 2024 and 2025, subject to continued service through such dates, and (ii) 223,807 shares of common stock are subject to time and performance-based vesting conditions and will vest in equal installments on the dates described above or later dates subject to additional performance-based vesting requirements.

SEC source: 0000899243-21-026565 · doc4.xml · nonDerivative · entry 1

Fastball Holdco, L.P. · CIK 0001866465 · 10% owner

Fastball Holdco GP, LLC · CIK 0001866601 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Held through Fastball Holdco, L.P.

Disclosed balance after: 0

F1 · kind: This Form 4 is filed by Fastball Holdco, L.P. and Fastball Holdco GP, LLC in connection with the initial public offering of First Advantage Corporation (the "Issuer"). Prior to the closing of the initial public offering of the Issuer, Fastball Holdco, L.P. held all of the shares of common stock of the Issuer. In connection with the closing of the initial public offering of the Issuer, Fastball Holdco, L.P. distributed all 130,000,000 shares of common stock it held to its partners.

F1 · price: This Form 4 is filed by Fastball Holdco, L.P. and Fastball Holdco GP, LLC in connection with the initial public offering of First Advantage Corporation (the "Issuer"). Prior to the closing of the initial public offering of the Issuer, Fastball Holdco, L.P. held all of the shares of common stock of the Issuer. In connection with the closing of the initial public offering of the Issuer, Fastball Holdco, L.P. distributed all 130,000,000 shares of common stock it held to its partners.

F1 · ownership.nature: This Form 4 is filed by Fastball Holdco, L.P. and Fastball Holdco GP, LLC in connection with the initial public offering of First Advantage Corporation (the "Issuer"). Prior to the closing of the initial public offering of the Issuer, Fastball Holdco, L.P. held all of the shares of common stock of the Issuer. In connection with the closing of the initial public offering of the Issuer, Fastball Holdco, L.P. distributed all 130,000,000 shares of common stock it held to its partners.

SEC source: 0000899243-21-026571 · doc4.xml · nonDerivative · entry 1

Silver Lake Group, L.L.C. · CIK 0001418226 · Director · 10% owner

SLTA V (GP), L.L.C. · CIK 0001737652 · Director · 10% owner

Silver Lake Technology Associates V, L.P. · CIK 0001737657 · Director · 10% owner

SLP Fastball Aggregator, L.P. · CIK 0001866145 · Director · 10% owner

Osnoss Joseph · CIK 0001603955 · Director

SLP V Aggregator GP, L.L.C. · CIK 0001811441 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Held through SLP Fastball Aggregator, L.P.

Disclosed balance after: 110,734,013

F1 · price: This amount represents the $15.00 initial public offering price per share of common stock of First Advantage Corporation (the "Issuer"), less the underwriting discount of $0.975 per share for shares sold pursuant to the issuer's initial public offering.

F2 · ownership.nature: Represents securities held by SLP Fastball Aggregator, L.P. ("SLP Fastball"). SLP V Aggregator GP, L.L.C. ("SLP V GP") is the general partner of SLP Fastball. Silver Lake Technology Associates V, L.P. ("SLTA V") is the managing member of SLP V GP. SLTA V (GP), L.L.C. ("SLTA V GP") is the general partner of SLTA V. Silver Lake Group, L.L.C. ("SLG") is the managing member of SLTA V GP. Mr. Joseph Osnoss serves as a member of the board of directors of the Issuer and is a Managing Member and Managing Partner of SLG. Each of SLP Fastball, SLP V GP, SLTA V, SLTA V GP and SLG may be deemed to be a director by deputization of the Issuer.

SEC source: 0000899243-21-026573 · doc4.xml · derivative · entry 3

Staples Scott · CIK 0001865624 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,087,418

Underlying: Common Stock · 14,416 shares

Expires 2031-06-22

F5 · kind: Represents the vesting of a portion of performance-based stock options in connection with the satisfaction of certain performance-based vesting conditions upon the closing of the Issuer's initial public offering.

F3 · derivative.exercise_date: Of these options, 858,402 are unvested options which will vest in equal annual installments on January 31, 2022, 2023, 2024 and 2025, subject to continued service through such dates. Does not include unvested performance-based options which will be reported when earned upon achievement of certain performance criteria.

SEC source: 0000899243-21-026573 · doc4.xml · nonDerivative · entry 1

Staples Scott · CIK 0001865624 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,144,354

F1 · price: This amount represents the $15.00 initial public offering price per share of common stock of First Advantage Corporation (the "Issuer"), less the underwriting discount of $0.975 per share for shares sold pursuant to the issuer's initial public offering.

F2 · balance_after: Represents shares of common stock received in a distribution from Fastball Holdco, L.P. in respect of certain of the reporting person's previously held interests in Fastball Holdco, L.P. Of these shares of common stock, 1,945,388 are unvested, of which, (i) 871,119 shares of common stock are subject to time-based vesting requirements and will vest in equal annual installments on January 31, 2022, 2023, 2024 and 2025, subject to continued service through such dates, and (ii) 1,074,269 shares of common stock are subject to time and performance-based vesting conditions and will vest in equal installments on the dates described above or later dates subject to additional performance-based vesting requirements.

SEC source: 0000899243-21-026576 · doc4.xml · derivative · entry 3

Jaeger Joseph K. · CIK 0001865850 · President, Americas

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 318,601

Underlying: Common Stock · 4,223 shares

Expires 2031-06-22

F5 · kind: Represents the vesting of a portion of performance-based stock options in connection with the satisfaction of certain performance-based vesting conditions upon the closing of the Issuer's initial public offering.

F3 · derivative.exercise_date: Of these options, 251,503 are unvested options which will vest in equal annual installments on January 31, 2022, 2023, 2024 and 2025, subject to continued service through such dates. Does not include unvested performance-based options which will be reported when earned upon achievement of certain performance criteria.

SEC source: 0000899243-21-026576 · doc4.xml · nonDerivative · entry 1

Jaeger Joseph K. · CIK 0001865850 · President, Americas

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 738,903

F1 · price: This amount represents the $15.00 initial public offering price per share of common stock of First Advantage Corporation (the "Issuer"), less the underwriting discount of $0.975 per share for shares sold pursuant to the issuer's initial public offering.

F2 · balance_after: Represents shares of common stock received in a distribution from Fastball Holdco, L.P. in respect of certain of the reporting person's previously held interests in Fastball Holdco, L.P. Of these shares of common stock, 567,404 are unvested, of which, (i) 254,076 shares of common stock are subject to time-based vesting requirements and will vest in equal annual installments on January 31, 2022, 2023, 2024 and 2025, subject to continued service through such dates, and (ii) 313,328 shares of common stock are subject to time and performance-based vesting conditions and will vest in equal installments on the dates described above or later dates subject to additional performance-based vesting requirements.

SEC source: 0000899243-21-026579 · doc4.xml · nonDerivative · entry 1

Bell Susan R. · CIK 0001839981 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,000

F1 · kind: Represents a grant of restricted stock units which will vest in equal annual installments on each of the first three anniversaries of the date of grant, subject to the director's continued service through each respective vesting date.

SEC source: 0000899243-21-026581 · doc4.xml · nonDerivative · entry 1

Sim Judith · CIK 0001646293 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,000

F1 · kind: Represents a grant of restricted stock units which will vest in equal annual installments on each of the first three anniversaries of the date of grant, subject to the director's continued service through each respective vesting date.

SEC source: 0000899243-21-026580 · doc4.xml · nonDerivative · entry 1

Clark James Lindsey · CIK 0001792619 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,000

F1 · kind: Represents a grant of restricted stock units which will vest in equal annual installments on each of the first three anniversaries of the date of grant, subject to the director's continued service through each respective vesting date.

SEC source: 0000899243-21-026578 · doc4.xml · derivative · entry 2

Jardine Bret T · CIK 0001398537 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 82,182

Underlying: Common Stock · 1,089 shares

Expires 2031-06-25

F3 · kind: Represents the vesting of a portion of performance-based stock options in connection with the satisfaction of certain performance-based vesting conditions upon the closing of the Issuer's initial public offering.

F1 · derivative.exercise_date: Of these options, 64,875 are unvested options which will vest in equal annual installments on January 31, 2022, 2023, 2024 and 2025, subject to continued service through such dates. Does not include unvested performance-based options which will be reported when earned upon achievement of certain performance criteria.

SEC source: 0000899243-21-026578 · doc4.xml · derivative · entry 1

Jardine Bret T · CIK 0001398537 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 81,093

Underlying: Common Stock · 81,093 shares

Expires 2031-06-25

F2 · price: Represents stock options into which options exercisable for units in Fastball Holdco, L.P. held by the reporting person were converted, in connection with the dissolution of Fastball Holdco, L.P.

F1 · derivative.exercise_date: Of these options, 64,875 are unvested options which will vest in equal annual installments on January 31, 2022, 2023, 2024 and 2025, subject to continued service through such dates. Does not include unvested performance-based options which will be reported when earned upon achievement of certain performance criteria.

SEC source: 0000899243-21-026575 · doc4.xml · derivative · entry 2

GAMSEY DAVID L · CIK 0001113949 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 224,015

Underlying: Common Stock · 224,015 shares

Expires 2031-06-22

F4 · kind: Represents stock options received by the reporting person in connection with the dissolution of Fastball Holdco, L.P. in respect of certain of the reporting person's previously held interests in Fastball Holdco, L.P. These securities were previously reported on the Form 3 filed by the Reporting Person.

F3 · derivative.exercise_date: Of these options, 179,212 are unvested options which will vest in equal annual installments on January 31, 2022, 2023, 2024 and 2025, subject to continued service through such dates. Does not include unvested performance-based options which will be reported when earned upon achievement of certain performance criteria.

SEC source: 0000899243-21-026573 · doc4.xml · derivative · entry 2

Staples Scott · CIK 0001865624 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,073,002

Underlying: Common Stock · 1,073,002 shares

Expires 2031-06-22

F4 · kind: Represents stock options received by the reporting person in connection with the dissolution of Fastball Holdco, L.P. in respect of certain of the reporting person's previously held interests in Fastball Holdco, L.P. These securities were previously reported on the Form 3 filed by the Reporting Person.

F3 · derivative.exercise_date: Of these options, 858,402 are unvested options which will vest in equal annual installments on January 31, 2022, 2023, 2024 and 2025, subject to continued service through such dates. Does not include unvested performance-based options which will be reported when earned upon achievement of certain performance criteria.

SEC source: 0000899243-21-026576 · doc4.xml · derivative · entry 2

Jaeger Joseph K. · CIK 0001865850 · President, Americas

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 314,378

Underlying: Common Stock · 314,378 shares

Expires 2031-06-22

F4 · kind: Represents stock options received by the reporting person in connection with the dissolution of Fastball Holdco, L.P. in respect of certain of the reporting person's previously held interests in Fastball Holdco, L.P. These securities were previously reported on the Form 3 filed by the Reporting Person.

F3 · derivative.exercise_date: Of these options, 251,503 are unvested options which will vest in equal annual installments on January 31, 2022, 2023, 2024 and 2025, subject to continued service through such dates. Does not include unvested performance-based options which will be reported when earned upon achievement of certain performance criteria.