Sec Form 4 Filing - Lacerte Rene A. @ Bill.com Holdings, Inc. - 2021-12-15

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 Lacerte Rene A. 2. Issuer Name and Ticker or Trading Symbol Bill.com Holdings, Inc. [ BILL] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) President and CEO (Last) (First) (Middle) C/O BILL.COM HOLDINGS, INC., 6220 AMERICA CENTER DR., SUITE 100 3. Date of Earliest Transaction (MM/DD/YY) 12/15/2021 (Street) SAN JOSE, CA95002 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 12/15/2021 M 10,000 A $ 5.26 68,494 D Common Stock 12/15/2021 S( 1 ) 700 D $ 234.6957( 2 ) 67,794 D Common Stock 12/15/2021 S( 1 ) 900 D $ 235.6844( 3 ) 66,894 D Common Stock 12/15/2021 S( 1 ) 900 D $ 236.8867( 4 ) 65,994 D Common Stock 12/15/2021 S( 1 ) 700 D $ 238.03( 5 ) 65,294 D Common Stock 12/15/2021 S( 1 ) 1,900 D $ 239.0105( 6 ) 63,394 D Common Stock 12/15/2021 S( 1 ) 917 D $ 239.9573( 7 ) 62,477 D Common Stock 12/15/2021 S( 1 ) 700 D $ 241.0671( 8 ) 61,777 D Common Stock 12/15/2021 S( 1 ) 200 D $ 241.98( 9 ) 61,577 D Common Stock 12/15/2021 S( 1 ) 100 D $ 243.91 61,477 D Common Stock 12/15/2021 S( 1 ) 100 D $ 245.79 61,377 D Common Stock 12/15/2021 S( 1 ) 100 D $ 246.97 61,277 D Common Stock 12/15/2021 S( 1 ) 700 D $ 248.4229( 10 ) 60,577 D Common Stock 12/15/2021 S( 1 ) 1,383 D $ 249.521( 11 ) 59,194 D Common Stock 12/15/2021 S( 1 ) 700 D $ 250.3829( 12 ) 58,494 D Common Stock 1,958,749 I See Footnote( 13 ) Common Stock 135,000 I See Footnote( 14 ) Common Stock 135,000 I See Footnote( 14 ) Common Stock 163,125 I See Footnote( 15 ) Common Stock 163,125 I See Footnote( 16 )

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 Employee Stock Option (Right to Buy) $ 5.26 12/15/2021 M 10,000 ( 17 ) 08/01/2028 Common Stock 10,000 $ 0 275,467 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Lacerte Rene A. C/O BILL.COM HOLDINGS, INC. 6220 AMERICA CENTER DR., SUITE 100 SAN JOSE, CA95002 X President and CEO Signatures /s/ Rajesh Aji, Attorney-in-Fact 12/17/2021 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person. ( 2 )The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $234.15 to $235.11 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. ( 3 )The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $235.15 to $235.97 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. ( 4 )The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $236.36 to $237.32 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. ( 5 )The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $237.42 to $238.38 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. ( 6 )The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $238.45 to $239.39 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. ( 7 )The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $239.59 to $240.58 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. ( 8 )The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $240.73 to $241.43 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. ( 9 )The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $241.84 to $242.12 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. ( 10 )The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $248.06 to $248.98 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. ( 11 )The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $249.15 to $250.04 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. ( 12 )The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $250.24 to $250.63 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. ( 13 )The shares are held by Chung Lacerte Trust U/A dated February 15, 2004, Rene A. Lacerte and Joyce A. Chung, Trustees. ( 14 )The shares are held by a family trust with Rene A. Lacerte and Joyce A. Chung, as Trustors, and Rene A. Lacerte, Joyce A. Chung, and Daniel C. Chung, as Trustees. ( 15 )The shares are held by Ilio Irrevocable Trust, Rene Lacerte and Joyce Chung, Trustees. ( 16 )The shares are held by Nene Irrevocable Trust, Rene Lacerte and Joyce Chung, Trustees. ( 17 )The option vests 1/48th of the total shares monthly beginning September 2, 2018 until such time as the option is 100% vested, subject to the continuing service of the Reporting Person on each vesting date.

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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