SEC Form 4

FORM 4		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 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* Castelein Caley (Last) (First) (Middle) C/O AADI BIOSCIENCE, INC. 17383 SUNSET BOULEVARD, SUITE A250 (Street) ALISO VIEJO CA 92656 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol Aadi Bioscience, Inc. [ AADI ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X Director 10% Owner Officer (give title below) Other (specify below)
	3. Date of Earliest Transaction (Month/Day/Year) 08/26/2021
	4. If Amendment, Date of Original Filed (Month/Day/Year)	6. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	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	08/26/2021		P		259,998	A	$13.077	259,998	I	See footnote(1)(2)
Common Stock								19,694	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 (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	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 (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (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: 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)	$26	08/27/2021		A		17,549		(3)	08/27/2031	Common Stock	17,549	$0.00	17,549	D

Explanation of Responses:

1. Represents the purchase of 259,998 shares of Common Stock from Aadi Bioscience, Inc. (formerly Aerpio Pharmaceuticals, Inc.) pursuant to a subscription agreement dated May 16, 2021. The closing under the subscription agreement was conditioned upon the closing under that certain Agreement and Plan of Merger, dated May 16, 2021, by and between Aerpio Pharmaceuticals, Aadi Bioscience, Inc. and Aspen Merger Subsidiary, Inc.

2. Securities beneficially owned indirectly by KVP Capital, LP. Dr. Castelein is the Managing Director of KVP Capital. Dr. Castelein disclaims beneficial ownership of shares held by KVP Capital, except to the extent of his pecuniary interest therein. Share and per-share information herein reflects a 1-for-15 reverse split of the Issuer's common stock that was effected on August 26, 2021.

3. In connection with the closing of the merger by and between Aerpio Pharmaceuticals, Inc. and Aadi Bioscience, Inc., as approved by the stockholders of the Issuer on August 17, 2021, the Board granted on August 26, 2021 to the Reporting Person an Initial Award (as defined in the Issuer's Outside Director Compensation Policy and in accordance with the Issuer's 2021 Equity Incentive Plan (the "Plan")). Subject to the Reporting Person continuing to be a Service Provider (as defined in the Plan) through each applicable date, the Initial Award is scheduled to vest as to one thirty-sixth (1/36th) of the shares of common stock subject to the Initial Award on a monthly basis following the grant date on the same day of the month as the grant date (and if there is no corresponding day, on the last day of the month). The grant date is August 27, 2021.

Remarks:

	/s/ Caley Castelein	08/30/2021
	** Signature of Reporting Person	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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