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 OF SECURITIES
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      
1. Name and Address of Reporting Person * COUFAL SANDRA I 2. Issuer Name and Ticker or Trading Symbol Tricida, Inc. [ TCDA ] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable)__X__ Director                    __X__ 10% Owner
_____ Officer (give title below)    _____ Other (specify below)
(Last)         (First)         (Middle)
7000 SHORELINE COURT, SUITE 201
3. Date of Earliest Transaction (MM/DD/YYYY)
8/20/2021
(Street)
SOUTH SAN FRANCISCO, CA 94080
(City)       (State)       (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)
 
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. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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  8/20/2021    S(1)    546  D $3.87 (2) 150266  D   
Common Stock                 4860  I  By Coufal Irrevocable Trust (3)
Common Stock                 777411  I (4)(5) By Sibling Capital Fund II-A L.P. (4)(5)
Common Stock                 2773350  I (4)(6) By Sibling Capital Fund II-B L.P. (4)(6)
Common Stock                 1810195  I (4)(7) By Sibling Capital Fund II-C L.P. (4)(7)
Common Stock                 599379  I (4)(8) By Sibling Capital Fund II-D L.P. (4)(8)
Common Stock                 463158  I (4)(9) By Sibling Insiders Fund II L.P. (4)(9)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. 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 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 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

Explanation of Responses:
(1)  The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 16, 2020.
(2)  The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.85 to $3.88, inclusive. The reporting person undertakes to provide to Tricida, Inc., any security holder of Tricida, Inc., 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 footnote (2) to this Form 4.
(3)  The spouse of the Reporting Person is the sole trustee of the Coufal Irrevocable Trust. The Reporting Person disclaims beneficial ownership of the shares held by the Coufal Irrevocable Trust except to the extent of her pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.
(4)  For purposes of Section 16 of the Securities Exchange Act of 1934, as amended, the Reporting Person disclaims beneficial ownership of any such securities, except to the extent of pecuniary interest therein, if any, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of such securities for purposes of Section 16 or otherwise.
(5)  The shares are held directly by Sibling Capital Fund II-A L.P. ("Sibling A"). Sibling Capital Ventures LLC ("SCV") is the sole general partner of Sibling A. As co-manager of SCV, Sandra I. Coufal may be deemed to be an indirect beneficial owner of such shares.
(6)  The shares are held directly by Sibling Capital Fund II-B L.P. ("Sibling B"). Sibling Capital Ventures II LLC ("SCV II") is the sole general partner of Sibling B. As co-manager of SCV II, Sandra I. Coufal may be deemed to be an indirect beneficial owner of such shares.
(7)  The shares are held directly by Sibling Capital Fund II-C L.P. ("Sibling C"). Sibling Capital Ventures III LLC ("SCV III") is the sole general partner of Sibling C. As co-manager of SCV III, Sandra I. Coufal may be deemed to be an indirect beneficial owner of such shares.
(8)  The shares are held directly by Sibling Capital Fund II-D L.P. ("Sibling D"). Sibling Capital Ventures IV LLC ("SCV IV") is the sole general partner of Sibling D. As co-manager of SCV IV, Sandra I. Coufal may be deemed to be an indirect beneficial owner of such shares.
(9)  The shares are held directly by Sibling Insiders Fund II L.P. ("Sibling Insiders Fund"). Sibling Insiders II LLC ("Sibling Insiders LLC") is the sole general partner of Sibling Insiders Fund. As co-manager of Sibling Insiders LLC, Sandra I. Coufal may be deemed to be an indirect beneficial owner of such shares.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
COUFAL SANDRA I
7000 SHORELINE COURT
SUITE 201
SOUTH SAN FRANCISCO, CA 94080
X X


Signatures
/s/ Geoffrey M. Parker, attorney-in-fact 8/24/2021
**Signature of Reporting Person Date
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