Sec Form 4 Filing - ROSE WILLIAM @ REATA PHARMACEUTICALS INC - 2023-08-23

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 ROSE WILLIAM 2. Issuer Name and Ticker or Trading Symbol REATA PHARMACEUTICALS INC [ RETA] 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) 4215 WEST LOVERS LANE, SUITE 200 3. Date of Earliest Transaction (MM/DD/YY) 08/23/2023 (Street) DALLAS, TX75209 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 08/23/2023 G( 1 ) V 500,000 D $ 0 379,281 I By trust ( 2 ) Class A common stock 11,618 D ( 3 ) Class A common stock 19,795 D ( 4 ) Class A common stock 7,886 I See Footnote ( 5 ) Class A common stock 20 I By trust ( 6 ) Class A common stock 45 I By trust ( 7 ) Class A common stock 29 I See Footnote ( 8 ) Class A common stock 180,909 I See Footnote ( 9 )

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

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other ROSE WILLIAM 4215 WEST LOVERS LANE, SUITE 200 DALLAS, TX75209 X Signatures /s/ Charles E. Gale, Attorney-In-Fact for William E. Rose 08/24/2023 Signature of Reporting Person Date

Explanation of Responses:

( 1 )This transaction represents the donative transfer of shares of Class A common stock. On August 23, 2023, these 500,000 shares were transferred from the Evelyn Potter Rose Survivor's Trust to a family charitable foundation. ( 2 )These shares are owned directly by the Evelyn Potter Rose Survivor's Trust, for which Charles E. Gale and Evelyn P. Rose serve as co-trustees. ( 3 )These shares are owned directly by William E. Rose, a director of the issuer. ( 4 )These shares are owned directly by Charles E. Gale. ( 5 )These shares are owned directly by Evelyn P. Rose Fidelity SEP IRA and indirectly by Evelyn R. Rose. ( 6 )These shares are owned indirectly by William E. Rose, a director of the issuer, as co-trustee of the Charles Henry Rose 2001 Trust. ( 7 )These shares are owned indirectly by William E. Rose, a director of the issuer, as co-trustee of the John William Rose 2002 Trust. ( 8 )These shares are owned directly by the Charles E. Gale Fidelity Rollover IRA and indirectly by Charles E. Gale. ( 9 )These shares are owned directly by Montrose Investments I, L.P. ("Montrose"), and indirectly by William E. Rose, a director of the issuer, as sole shareholder and sole manager of the general partner of Montrose.

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).

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