Sec Form 4 Filing - HETE JOSEPH C @ Air Transport Services Group, Inc. - 2024-02-28

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person HETE JOSEPH C 2. Issuer Name and Ticker or Trading Symbol Air Transport Services Group, Inc. [ ATSG] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) CEO (Last) (First) (Middle) C/O AIR TRANSPORT SERVICES GROUP, INC., 145 HUNTER DRIVE 3. Date of Earliest Transaction (MM/DD/YY) 02/28/2024 (Street) WILMINGTON, OH45177 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ 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 (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 02/28/2024 A 92,300 ( 1 ) A $ 12.19 589,302 D

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 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 Restricted Stock Units ( 2 ) ( 3 ) ( 4 ) Common Stock 89,091 89,091 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other HETE JOSEPH C C/O AIR TRANSPORT SERVICES GROUP, INC. 145 HUNTER DRIVE WILMINGTON, OH45177 X CEO Signatures W. Joseph Payne for Joseph C. Hete 03/01/2024 Signature of Reporting Person Date

Explanation of Responses:

( 1 )These shares represent restricted stock and were awarded under the Company's Amended and Restated 2015 Long-Term Incentive Plan. ( 2 )The restricted stock units will be exchanged for common stock on a one-to-one basis. ( 3 )These units will settle in full after 12 months of continuous service, unless Mr. Hete's employment is terminated because of death, disability or termination by the Company prior to such 12-month period in which case settlement will occur upon such termination or when Mr. Hete's board service ends. ( 4 )There is no expiration date.

Remarks: POA on file.

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).

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