Sec Form 4 Filing - Lal Christopher M @ Alteryx, Inc. - 2021-06-17

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 Lal Christopher M 2. Issuer Name and Ticker or Trading Symbol Alteryx, Inc. [ AYX] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) CLO & Corp. Secretary (Last) (First) (Middle) C/O ALTERYX, INC., 3345 MICHELSON DRIVE, SUITE 400 3. Date of Earliest Transaction (MM/DD/YY) 06/17/2021 (Street) IRVINE, CA92612 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 Class A Common Stock 06/17/2021 M 907 A $ 27.09 52,502 ( 1 ) D Class A Common Stock 06/17/2021 S 907 ( 2 ) D $ 85.09 ( 3 ) 51,595 ( 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 Stock Option (Right to Buy) $ 27.09 06/17/2021 M 907 ( 4 ) 01/05/2028 Class A Common Stock 907 $ 0 9,389 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Lal Christopher M C/O ALTERYX, INC. 3345 MICHELSON DRIVE, SUITE 400 IRVINE, CA92612 CLO & Corp. Secretary Signatures /s/ Christopher M. Lal 06/21/2021 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Includes (i) 37,454 unvested shares subject to awards of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement for no consideration. Shares of the Issuer's Class A Common Stock will be delivered to the Reporting Person following vesting; and (ii) 563 shares acquired under the Alteryx, Inc. employee stock purchase plan through February 12, 2021. ( 2 )Sale of shares made pursuant to and in accordance with the requirements of Rule 10b5-1 under the Securities Exchange Act of 1934, as amended, under a plan adopted by the Reporting Person on June 15, 2020. ( 3 )The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $85.00 to $85.55, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of 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 ranges set forth in this footnote to this Form 4. ( 4 )The stock option vested and became exercisable as to 1/4th of the shares subject to the option on January 1, 2019, and thereafter vests as to 1/48th of the shares in equal monthly installments, until such time as the option is 100% vested, subject to the continuing employment of the Reporting Person on each vesting date.

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* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

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