Sec Form 4 Filing - Boyan Barry C. @ RBC Bearings INC - 2026-05-19

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 Boyan Barry C. 2. Issuer Name and Ticker or Trading Symbol RBC Bearings INC [ RBC] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) ONE TRIBOLOGY CENTER, 102 WILLENBROCK ROAD 3. Date of Earliest Transaction (MM/DD/YY) 05/19/2026 (Street) OXFORD, CT06478 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 05/19/2026 A 344 A $ 0 4,306 ( 1 ) 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 Option (right to buy) $ 565.22 05/19/2026 A 647 05/19/2027( 2 ) 05/19/2033 Common Stock 647 $ 0 647 D Option (right to buy) $ 211.59 07/15/2023( 3 ) 07/15/2029 Common Stock 1,745 1,745 D Option (right to buy) $ 219.09 08/18/2024( 4 ) 08/18/2030 Common Stock 2,000 2,000 D Option (right to buy) $ 181.58 02/08/2022( 5 ) 02/08/2028 Common Stock 1,145 1,145 D Option (right to buy) $ 256.23 09/09/2023( 6 ) 09/09/2029 Common Stock 255 255 D Option (right to buy) $ 302.21 10/01/2025( 7 ) 10/01/2031 Common Stock 2,000 2,000 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Boyan Barry C. ONE TRIBOLOGY CENTER 102 WILLENBROCK ROAD OXFORD, CT06478 X Signatures /s/John J. Feeney/attorney in fact 05/20/2026 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Includes 2,144 shares of restricted stock that vest according to the following schedule; 300 shares 1/2 of which vest on 7/15/2026 and 1/2 vest on 7/15/2027; 100 shares 1/2 of which vest on 9/9/2026 and 1/2 vest on 9/9/2027; 600 shares 1/3 of which vest on 8/18/2026, 1/3 vest on 8/18/2027 and 1/3 vest on 8/18/2028; 696 shares 1/4 of which vest on 10/1/2026, 1/4 vest on 10/1/2027, 1/4 vest on 10/1/2028 and 1/4 vest on 10/1/2029; 104 shares 1/4 of which vest on 11/20/2026, 1/4 vest on 11/20/2027, 1/4 vest on 11/20/2028 and 1/4 vest on 11/20/2029; and 344 shares 1/3 of which vest on 5/19/2027, 1/3 vest on 5/19/2028 and 1/3 vest on 5/19/2029. ( 2 )These options to purchase Common Stock are subject to the following vesting schedule - 1/5 vest on 5/19/2027, 1/5 vest on 5/19/2028, 1/5 vest on 5/19/2029, 1/5 vest on 5/19/2030 and 1/5 vest on 5/19/2031. ( 3 )All these options to purchase Common Stock are exerciseable except for 698 options that vest according to the following schedule: 1/2 vest on 7/15/2026 and 1/2 vest on 7/15/2027. ( 4 )All these options to purchase Common Stock are exerciseable except for 1,200 options that vest according to the following schedule: 1/3 vest on 8/18/2026, 1/3 vest on 8/18/2027 and 1/3 vest on 8/18/2028. ( 5 )All these options to purchase Common Stock are exerciseable except for 229 options that vest on 2/8/2026. ( 6 )All these options to purchase Common Stock are exerciseable except for 102 options that vest according to the following schedule: 1/2 vest on 9/9/2026 and 1/2 vest on 9/9/2027. ( 7 )All these options to purchase Common Stock are exerciseable except for 1,600 options that vest according to the following schedule: 1/4 vest on 10/1/2026; 1/4 vest on 10/1/2027; 1/4 vest on 10/1/2028 and 1/4 vest on 10/1/2029.

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).

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