Sec Form 3 Filing - Szmagala Taras G. Jr. @ Eaton Corp plc - 2022-06-24

FORM 3 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 Szmagala Taras G. Jr. 2. Issuer Name and Ticker or Trading Symbol Eaton Corp plc [ ETN] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) See remarks below (Last) (First) (Middle) 1000 EATON BLVD. 3. Date of Earliest Transaction (MM/DD/YY) 06/24/2022 (Street) CLEVELAND, OH44122 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 Ordinary Shares 8,700 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 $ 0 02/25/2021( 1 ) ( 2 ) Ordinary Shares 228 D Restricted Stock Units $ 0 02/23/2022( 3 ) ( 2 ) Ordinary Shares 356 D Restricted Stock Units $ 0 02/23/2023( 4 ) ( 2 ) Ordinary Shares 2,040 D Restricted Stock Units $ 0 02/22/2023( 5 ) ( 2 ) Ordinary Shares 405 D Stock Option $ 56.55 02/23/2017( 6 ) 02/23/2026 Ordinary Shares 6,300 D Stock Option $ 71.89 02/21/2018( 7 ) 02/21/2027 Ordinary Shares 4,750 D Stock Option $ 81.96 02/27/2019( 8 ) 02/27/2028 Ordinary Shares 3,800 D Stock Option $ 80.49 02/26/2020( 9 ) 02/26/2029 Ordinary Shares 5,150 D Stock Option $ 98.21 02/25/2021( 10 ) 02/25/2030 Ordinary Shares 4,350 D Stock Option $ 130.86 02/23/2022( 11 ) 02/23/2031 Ordinary Shares 2,750 D Stock Option $ 151.76 02/22/2023( 12 ) 02/22/2032 Ordinary Shares 1,700 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Szmagala Taras G. Jr. 1000 EATON BLVD. CLEVELAND, OH44122 See remarks below Signatures /s/ Lizbeth L. Wright, as Attorney-in Fact 07/01/2022 Signature of Reporting Person Date

Explanation of Responses:

( 1 )These restricted stock units were granted on February 25, 2020 and vest as follows: 33% on the first and second anniversary of the grant date and the remaining 34% on the third anniversary of the grant date. Each restricted stock unit represents a contingent right to receive one ordinary share of the Issuer. ( 2 )This field is not applicable. ( 3 )These restricted stock units were granted on February 23, 2021 and vest as follows: 33% on the first and second anniversary of the grant date and the remaining 34% on the third anniversary of the grant date. Each restricted stock unit represents a contingent right to receive one ordinary share of the Issuer. ( 4 )These restricted stock units were granted on February 23, 2021 and vest as follows: 30% on the second and third anniversary of the grant date and the remaining 40% on the fourth anniversary of the grant date. Each restricted stock unit represents a contingent right to receive one ordinary share of the Issuer. ( 5 )These restricted stock units were granted on February 22, 2022 and vest as follows: 33% on the first and second anniversary of the gran t date and the remaining 34% on the third anniversary of the grant date. Each restricted stock unit represents a contingent right to receive one ordinary share of the Issuer. ( 6 )These stock options were granted on February 23, 2016 and are fully vested and exercisable. ( 7 )These stock options were granted on February 21, 2017 and are fully vested and exercisable. ( 8 )These stock options were granted on February 27, 2018 and are fully vested and exercisable. ( 9 )These stock options were granted on February 26, 2019 and are fully vested and exercisable. ( 10 )These stock options were granted on February 25, 2020 and become exercisable as follows: 33% on the first and second anniversary of the grant date and the remaining 34% on the third anniversary of the grant date. ( 11 )These stock options were granted on February 23, 2021 and become exercisable as follows: 33% on the first and second anniversary of the grant date and the remaining 34% on the third anniversary of the grant date. ( 12 )These stock options were granted on February 22, 2022 and become exercisable as follows: 33% on the first and second anniversary of the grant date and the remaining 34% on the third anniversary of the grant date.

Remarks: Executive Vice President and Chief Legal Officer of Eaton Corporation, a subsidiary of the Issuer. Power of Attorney is attached hereto as Exhibit 24.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

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