Sec Form 4 Filing - Rohr Craig @ Benson Hill, Inc. - 2022-10-06

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 Rohr Craig 2. Issuer Name and Ticker or Trading Symbol Benson Hill, Inc. [ BHIL] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O BENSON HILL, INC., 1001 NORTH WARSON ROAD 3. Date of Earliest Transaction (MM/DD/YY) 10/06/2022 (Street) ST. LOUIS, MO63132 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 10/06/2022 J( 1 ) 304,477( 2 )( 3 ) A $ 0 326,804 D Common Stock 10/06/2022 J( 4 ) 78,728( 5 ) A $ 0 405,532 D Common Stock 10/06/2022 J( 6 ) 7,350 A $ 0 412,882 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 Warrants (right to buy) $ 11.5 10/06/2022 J( 4 ) 58,976 10/06/2022 09/29/2026 Common Stock, $0.0001 par value per share 58,976 $ 0 58,976 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Rohr Craig C/O BENSON HILL, INC. 1001 NORTH WARSON ROAD ST. LOUIS, MO63132 X Signatures /s/ Yevgeny Fundler, Attorney-in-Fact 10/11/2022 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Pro rata distribution from Star Peak Allocation II LLC, of which the Reporting Person is a member. ( 2 )Includes 30,756 shares of restricted Common Stock which will vest if, at any time during the period commencing after September 29, 2021 (the "Closing Date") and ending on the third anniversary of the Closing Date (such period, the "Earn Out Period"), the dollar volume-weighted average closing price of the Issuer's Common Stock is greater than or equal to $14.00 (subject to adjustment) over any 20 trading days within any 30 consecutive trading day period ("$14 Earn Out Shares") and 30,756 shares of restricted Common Stock which will vest if, at any time during the Earn Out Period, the dollar volume-weighted average closing price of the Issuer's Common Stock is greater than or equal to $16.00 (subject to adjustment) over any 20 trading days within any 30 consecutive trading day period ("$16 Earn Out Shares" and, together with the $14 Earn Out Shares, the "Earn Out Shares"). ( 3 )The Earn Out Shares will be forfeited if the vesting conditions applicable to such shares are not satisfied during the Earn Out Period. ( 4 )Pro rata distribution from Star Peak Sponsor II, LLC, of which the Reporting Person is an equityholder. ( 5 )Includes 7,953 $14 Earn Out Shares and 7,953 $16 Earn Out Shares. See footnote 3 above. ( 6 )Pro rata distribution from Astrum Partners LLC, Series XVI, of which the Reporting Person is an equityholder.

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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