Sec Form 4 Filing - Korngiebel Joseph B @ Ceridian HCM Holding Inc. - 2023-08-22

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 Korngiebel Joseph B 2. Issuer Name and Ticker or Trading Symbol Ceridian HCM Holding Inc. [ CDAY] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) EVP, CPTO (Last) (First) (Middle) C/O CERIDIAN HCM HOLDING INC., 3311 E. OLD SHAKOPEE ROAD 3. Date of Earliest Transaction (MM/DD/YY) 08/22/2023 (Street) MINNEAPOLIS, MN55425 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 08/22/2023 S 11,193 ( 1 ) D $ 70.26 113,060 ( 2 ) 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 Performance Units ( 3 ) ( 3 ) 03/08/2031 Common Stock 6,177 6,177 D Performance Units ( 4 ) ( 4 ) 02/24/2032 Common Stock 11,760 11,760 D Performance Units ( 5 ) ( 5 ) 02/28/2033 Common Stock 2,942 2,942 D Performance Units ( 6 ) ( 6 ) 02/28/2033 Common Stock 27,423 27,423 D Performance Units ( 7 ) ( 7 ) 02/28/2033 Common Stock 8,227 8,227 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Korngiebel Joseph B C/O CERIDIAN HCM HOLDING INC. 3311 E. OLD SHAKOPEE ROAD MINNEAPOLIS, MN55425 EVP, CPTO Signatures /s/ William McDonald, attorney-in-fact 08/23/2023 Signature of Reporting Person Date

Explanation of Responses:

( 1 )11,193 shares of common stock of the Issuer ("Common Stock") were sold to cover withholding taxes as required pursuant to the terms of the restricted stock unit ("RSU") award agreement and 11,269 shares of Common Stock were issued to the Reporting Person in connection with the vesting of 22,462 RSUs on August 21, 2023. ( 2 )Includes (i) 65,342 shares of Common Stock; (ii) shares of Common Stock issuable pursuant to RSUs, granted on March 8, 2021, of which 6,177 shares vest on March 8, 2024; (iii) shares of Common Stock issuable pursuant to RSUs, granted on February 24, 2022, of which 7,059 shares vest on each of February 24, 2024 and February 24, 2025; and (iv) shares of Common Stock issuable pursuant to RSUs, granted on February 28, 2023, of which 9,141 shares vest on each of February 28, 2024, February 28, 2025 and February 28, 2026. ( 3 )Given the Company's performance in 2021 and pursuant to the terms of the performance stock unit ("PSU") award agreement, each PSU granted on March 8, 2021 converted into 1 share of Common Stock upon vesting. The vesting of 6,177 PSUs occurs on March 8, 2024. ( 4 )Pursuant to the terms of the PSU award agreement, the vesting of 5,880 PSUs occurs on each of February 24, 2024 and February 24, 2025. ( 5 )Each PSU represents a contingent right to receive shares of Common Stock based upon the degree to which one or more of the performance metrics under the Company's 2023 Management Incentive Plan ("2023 MIP") are satisfied. The number of PSUs reported in columns 5, 7 and 9 of Table II reflects achievement at the target level of performance under the 2023 MIP. Based on actual results during the fiscal year ended December 31, 2023, the aggregate number of shares of Common Stock issued may range from zero shares to 150% of the target number of shares reported in columns 5, 7, and 9 of Table II. The PSUs will only vest upon the later of (i) the date the Compensation Committee or the Board of Directors of the Company certify that one or more of the performance metrics have been met under the 2023 MIP for the individual and (ii) the one-year anniversary of the date of grant. ( 6 )Each PSU represents a contingent right to receive shares of Common Stock based upon the degree to which one or more of the performance metrics contained in the PSU award agreement ("PSU Agreement") are satisfied annually over a three year period. The number of PSUs reported in columns 5, 7, and 9 of Table II reflects achievement at the target level of performance under the PSU Agreement. Based on actual results during each of the preceding period beginning on January 1 and ending December 31, the aggregate number of shares of Common Stock issued may range from zero shares to 167% of the target number of shares reported in columns 5, 7 and 9 of Table II. The PSUs will only vest if the achievement of one or more of the annual performance metrics under the PSU Agreement is certified to have been met by the Compensation Committee or the Board of Directors of the Company for the prior period, and then any such certified amount will vest on the anniversary of the date of grant. ( 7 )Each PSU represents a contingent right to receive shares of Common Stock based upon the degree to which the performance metric contained in the PSU Agreement is satisfied. The number of PSUs reported in columns 5, 7, and 9 of Table II reflects achievement at the target level of performance under the PSU Agreement. Based on actual results during the period beginning January 1, 2023 and ending December 31, 2025, the aggregate number of shares of Common Stock issued may range from zero shares to 200% of the target number of shares reported in columns 5, 7 and 9 of Table II. The PSUs will only vest if the achievement of the performance metric under the PSU Agreement is certified to have been met by the Compensation Committee or the Board of Directors of the Company, and then any such certified amount will vest on February 28, 2026.

Remarks: For Joseph Korngiebel, pursuant to the Power of Attorney previously filed.

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

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