Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * General Atlantic (LFT), L.P. 2. Issuer Name and Ticker or Trading Symbol Liftoff Mobile, Inc. [LFTO] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director __X__ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O GENERAL ATLANTIC SERVICE CO., L.P., 55 EAST 52ND STREET, 33RD FLOOR 3. Date of Earliest Transaction (Month/Day/Year) 06/05/2026 (Street) NEW YORK, NY 10055 4. If Amendment, Date Original Filed (Month/Day/Year) 6. Individual or Joint/Group Filing (Check Applicable Line) ___ Form filed by One Reporting Person _X_ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock, par value $0.0001 per share 06/05/2026 P (1) 1,304,347 A $23(1) 25,315,646 I See footnote(2)(3)(4)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
General Atlantic (LFT), L.P. C/O GENERAL ATLANTIC SERVICE CO., L.P. 55 EAST 52ND STREET, 33RD FLOOR NEW YORK, NY 10055	X	X
GENERAL ATLANTIC GENPAR (BERMUDA), L.P. C/O CONYERS CLIENT SERVICES LIMITED, CLARENDON HOUSE, 2 CHURCH STREET HAMILTON HM 11	X	X
GAP (Bermuda) L.P. C/O CONYERS CLIENT SERVICES LIMITED, CLARENDON HOUSE, 2 CHURCH STREET HAMILTON HM 11	X	X
General Atlantic Partners 100, L.P. C/O GENERAL ATLANTIC SERVICE CO., L.P. 55 EAST 52ND STREET, 33RD FLOOR NEW YORK, NY 10055	X	X
General Atlantic Partners (Lux), SCSp PRINSENGRACHT 769 A AMSTERDAM 1017 JZ	X	X
GAP COINVESTMENTS III, LLC C/O GENERAL ATLANTIC SERVICE CO., L.P. 55 EAST 52ND STREET, 33RD FLOOR NEW YORK, NY 10055	X	X
GAP COINVESTMENTS IV, LLC C/O GENERAL ATLANTIC SERVICE CO., L.P. 55 EAST 52ND STREET, 33RD FLOOR NEW YORK, NY 10055	X	X
GAP Coinvestments V, LLC C/O GENERAL ATLANTIC SERVICE CO., L.P. 55 EAST 52ND STREET, 33RD FLOOR NEW YORK, NY 10055	X	X
GAP Coinvestments CDA, L.P. C/O CONYERS CLIENT SERVICES LIMITED, CLARENDON HOUSE, 2 CHURCH STREET HAMILTON HM 11	X	X
General Atlantic (SPV) GP, LLC C/O GENERAL ATLANTIC SERVICE CO., L.P. 55 EAST 52ND STREET, 33RD FLOOR NEW YORK, NY 10055	X	X

Signatures

/s/ Michael Gosk		06/09/2026
**Signature of Reporting Person		Date
/s/ Michael Gosk		06/09/2026
**Signature of Reporting Person		Date
/s/ Michael Gosk		06/09/2026
**Signature of Reporting Person		Date
/s/ Michael Gosk		06/09/2026
**Signature of Reporting Person		Date
/s/ Ingrid van der Hoorn		06/09/2026
**Signature of Reporting Person		Date
/s/ Michael Gosk		06/09/2026
**Signature of Reporting Person		Date
/s/ Michael Gosk		06/09/2026
**Signature of Reporting Person		Date
/s/ Michael Gosk		06/09/2026
**Signature of Reporting Person		Date
/s/ Michael Gosk		06/09/2026
**Signature of Reporting Person		Date
/s/ Michael Gosk		06/09/2026
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	The shares of Common Stock were purchased by General Atlantic (LFT), L.P. ("GA LFT") in the Issuer's initial public offering, which closed on June 5, 2026, at a price of $23.00.
(2)	The following investment funds share beneficial ownership of the common shares held of record by GA LFT (collectively, the "GA Funds"): General Atlantic Partners 100, L.P. ("GAP 100"), General Atlantic Partners (Lux) SCSp ("GAP Lux"), GAP Coinvestments III, LLC ("GAPCO III"), GAP Coinvestments IV, LLC ("GAPCO IV"), GAP Coinvestments V, LLC ("GAPCO V") and GAP Coinvestments CDA, L.P. ("GAPCO CDA"). (Cont'd in FN3)
(3)	(Cont'd from FN2) General Atlantic (SPV) GP, LLC ("GA SPV") is the general partner of GA LFT. General Atlantic, L.P. ("GA LP") is the sole member of GA SPV. The general partner of GAP Lux is General Atlantic GenPar (Lux) SCSp ("GA GenPar Lux"), and the general partner of GA GenPar Lux is General Atlantic (Lux) S.a. r.l. ("GA Lux"). The sole shareholder of GA Lux is General Atlantic GenPar (Bermuda), L.P. ("GenPar Bermuda"). (Cont'd in FN4)
(4)	(Cont'd from F3) GA LP, which is controlled by the Partnership Committee of GASC MGP, LLC (the "GA Partnership Committee"), is the managing member of GAPCO III, GAPCO IV, and GAPCO V and the general partner of GAPCO CDA. GAP (Bermuda) LP ("GAP Bermuda"), which is also controlled by the Partnership Committee, is the general partner of GenPar Bermuda. The general partner of GAP 100 is General Atlantic GenPar, L.P. ("GA GenPar"), and the general partner of GA GenPar is GA LP. There are six members of the GA Partnership Committee. Each of the members of the GA Partnership Committee disclaims ownership of the shares except to the extent that he has a pecuniary interest therein.
Remarks: GA LP, GA SPV, GA GenPar, GA GenPar Lux, GA Lux, GenPar Bermuda, GAP Bermuda, GA LFT and the GA Funds may be deemed to be members of a "group" for the purposes of the Securities Exchange Act of 1934, as amended (the "Exchange Act"). Each reporting person disclaims beneficial ownership of any securities deemed to be owned by the group that are not directly owned by the reporting person. This report shall not be deemed an admission that the reporting persons are a member of a group or the beneficial owner of any securities not directly owned by the reporting person. Each of the reporting persons is a director-by-deputization solely for purposes of Section 16 of the Exchange Act. // Form 1 of 2

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