SEC FORM 4

SEC FORM 4SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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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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 for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

GTCR Partners XII/A&C LP

(Last)

(First)

(Middle)

300 NORTH LASALLE STREET, SUITE 5600

(Street)

CHICAGO

ILLINOIS

60654

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Gogo Inc. [ GOGO ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/31/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

	Form filed by One Reporting Person
X	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)

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 Securities Underlying Derivative Security (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: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Deferred Share Units	⁽¹⁾	03/31/2026		A⁽²⁾		14,925		⁽²⁾	⁽²⁾	Common Stock	14,925	$0	119,630	I	See Footnotes⁽³⁾⁽⁴⁾

1. Name and Address of Reporting Person^*

GTCR Partners XII/A&C LP

(Last)

(First)

(Middle)

300 NORTH LASALLE STREET, SUITE 5600

(Street)

CHICAGO

ILLINOIS

60654

(City)

(State)

(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer

X	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

1. Name and Address of Reporting Person^*

GTCR Investment XII LLC

(Last)

(First)

(Middle)

300 NORTH LASALLE STREET

SUITE 5600

(Street)

CHICAGO

ILLINOIS

60654

(City)

(State)

(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer

X	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

Explanation of Responses:

1. Each deferred share unit represents the contingent right to receive one share of the Company's common stock.

2. These deferred share units were granted on March 31, 2026 to Mr. Mark Anderson, a director of the Company, and will vest in full on the one-year anniversary of the grant date. The deferred share units will be settled in shares of the Company's common stock following the director's termination of service on the Company's board of directors.

3. Mr. Anderson is an employee of GTCR LLC, an affiliate of the Reporting Persons. Pursuant to the policies of certain GTCR-affiliated entities, Mr. Anderson must hold these securities on behalf of and for the benefit of the GTCR-affiliated entities. GTCR Partners XII/A&C LP is the general partner of Silver (Equity) Holdings, LP and Silver (XII) Holdings, LP, each of which hold securities of the Company. GTCR Investment XII LLC is the general partner of GTCR Partners XII/A&C LP. GTCR Investment XII LLC is managed by a six-member board of managers (the "GTCR Board of Managers"). Each of the Reporting Persons is a "director by deputization" for purposes of Section 16 of the Securities Exchange Act of 1934, as amended.

4. Each of the Reporting Persons and the individual members of the GTCR Board of Managers disclaims beneficial ownership of the securities reported herein, except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Persons or Mr. Anderson is the beneficial owner of the securities for purposes of Section 16 or for any other purpose.

	GTCR Partners XII/A&C LP, By: GTCR Investment XII LLC, its general partner, By: /s/ Jeffrey S. Wright, Name: Jeffrey S. Wright, Title: Chief Legal Officer	04/02/2026
	GTCR Investment XII LLC, By: /s/ Jeffrey S. Wright, Name: Jeffrey S. Wright, Title: Chief Legal Officer	04/02/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

SEC Form 4 filed by Gtcr Partners Xii/A&C Lp