Sec Form 4 Filing - Fong Christian S. @ XL Fleet Corp. - 2022-09-09

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 Fong Christian S. 2. Issuer Name and Ticker or Trading Symbol XL Fleet Corp. [ XL] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) President (Last) (First) (Middle) 47000 LIBERTY DRIVE 3. Date of Earliest Transaction (MM/DD/YY) 09/09/2022 (Street) WIXOM, MI48393 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 09/09/2022 A 909,091( 1 ) A $ 1.17 909,091 D Common Stock 09/09/2022 F 281,320( 2 ) D $ 1.17 627,771 D Common Stock 09/09/2022 A 909,091( 3 ) A $ 0 1,536,862 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( 4 ) ( 4 ) 09/09/2022 A 1,666,666 ( 4 ) 09/09/2033 Common Stock 1,666,666 $ 0 1,666,666 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Fong Christian S. 47000 LIBERTY DRIVE WIXOM, MI48393 X President Signatures /s/ Stacey Constas 09/13/2022 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Under the terms of the reporting person's Employment Agreement, the securities awarded are intended to serve as a signing bonus, and are fully vested shares. Gross shares are reported, prior to taxes being withheld; see footnote (2) below. ( 2 )The securities were withheld to pay the reporting person's tax withholding obligations with respect to the securities awarded as a signing bonus reported above. ( 3 )The securities awarded are in the form of restricted stock units (RSUs) that each represent a contingent right to receive one share of the issuer's common stock. Subject to the reporting person's continued service through the vesting dates, 25% of the RSUs will vest on each of September 9, 2023 and 6.25% on the last day of each subsequent calendar quarter, beginning September 30, 2023. ( 4 )Subject to the reporting person's continued service, the RSUs will vest in increments of 10% upon the issuer's common stock achieving certain specified prices per share over 20 day consecutive trading periods, as set forth in Schedule 1 of the reporting person's Employment Agreement filed on September 15, 2022, as determined within the 30 days following each calendar quarter, with the shares distributed no later than the following March 15.

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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