Sec Form 4 Filing - Litowitz Alec N @ Star Peak Corp II - 2021-09-29

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 Litowitz Alec N 2. Issuer Name and Ticker or Trading Symbol Star Peak Corp II [ STPC] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner _____ Officer (give title below) X __ Other (specify below) Former Director (Last) (First) (Middle) C/O STAR PEAK SPONSOR II LLC, 1603 ORRINGTON AVENUE, 13TH FLOOR 3. Date of Earliest Transaction (MM/DD/YY) 09/29/2021 (Street) EVANSTON, IL60201 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 09/29/2021 M( 1 ) 9,982,500 A 9,982,500 I ( 2 ) By Star Peak Sponsor II LLC Common Stock 09/29/2021 P( 3 )( 4 ) 530,000 A $ 10 ( 3 ) ( 4 ) 10,512,500 I ( 3 ) ( 4 ) See footnote ( 3 ) ( 4 )

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 Class B Common Stock ( 1 ) 09/29/2021 M( 1 ) 9,982,500 ( 1 ) ( 1 ) Class A Common Stock 9,982,500 ( 1 ) 0 I ( 2 ) By Star Peak Sponsor II LLC Warrants to Purchase Common Stock $ 11.5 09/29/2021 J( 5 ) 6,553,454 ( 5 ) ( 5 ) Common Stock 6,553,454 ( 5 ) 6,553,454 I ( 2 ) By Star Peak Sponsor II LLC

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Litowitz Alec N C/O STAR PEAK SPONSOR II LLC 1603 ORRINGTON AVENUE, 13TH FLOOR EVANSTON, IL60201 Former Director Signatures /s/ Tyson Taylor, as Attorney-in-Fact 10/01/2021 Signature of Reporting Person Date

Explanation of Responses:

( 1 )As described in the registrant's registration statement on Form S-1 (File No. 333-251488) under the heading "Description of Securities-Founder Shares," the shares of Class B common stock were automatically convertible into shares of Class A common stock at the time of the registrant's initial business combination on a one-for-one basis, subject to certain adjustments described therein and have no expiration date. In connection with the closing of the registrant's initial business combination, the outstanding shares of Class B common stock were converted into shares of Class A common stock. ( 2 )The securities reported herein are held directly by the Star Peak Sponsor II LLC (the "Sponsor"). The reporting person has voting and investment discretion with respect to certain securities held by the Sponsor and may be deemed to have shared beneficial ownership of such securities held directly by the Sponsor. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all of the reported securities for purposes of Section 16 or for any other purpose. ( 3 )As previously disclosed, on May 8, 2021, Star Peak Corp II entered into subscription agreements with certain investors (the "PIPE Offering") pursuant to which such investors agreed to purchase, immediately prior to the closing of the previously disclosed business combination transaction with Benson Hill, Inc., an aggregate of $225,000,000 of the Issuer's shares of common stock at a price of $10.00 per share, or an aggregate of 22,500,000 shares of common stock (the "PIPE Shares"). Magnetar Capital Master Fund Ltd ("Magnetar") acquired 90,000 shares of common stock and Astrum Partners LLC, Series XVI ("Astrum") acquired 440,000 shares of common stock in the PIPE Offering. ( 4 )The reporting person has voting and investment discretion with respect to certain securities held by Magnetar and Astrum and may be deemed to have beneficial ownership of such securities held directly by Magnetar and Astrum. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all of the reported securities for purposes of Section 16 or for any other purpose. ( 5 )Pursuant to the private placement warrants purchase agreement between the Sponsor and the registrant, dated as of January 8, 2021, the Sponsor purchased an aggregate of 6,553,454 private placement warrants to purchase Class A Common Stock on a one-for-one basis. In connection with the registrant's initial business combination, the private placement warrants became exercisable for Common Stock on a one-for-one basis at a price of $11.50 per share. The private placement warrants may be exercised only during the period commencing on January 8, 2022 and expiring five years after the completion of the registrant's initial business combination or earlier upon redemption or liquidation.

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