SEC FORM 3 SEC Form 3
FORM 3 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
 
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1. Name and Address of Reporting Person*
Ronaghi Mostafa

(Last) (First) (Middle)
C/O SEER, INC.
3800 BRIDGE PARKWAY, SUITE 102

(Street)
REDWOOD CITY CA 94065

(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
02/13/2021
3. Issuer Name and Ticker or Trading Symbol
Seer, Inc. [ SEER ]
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
Officer (give title below) Other (specify below)
5. 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 Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Class A Common Stock 191,515 D
Class A Common Stock 15,157 I See footnote(1)
Class A Common Stock 76,722 I See footnote(2)
Class A Common Stock 76,722 I See footnote(3)
Class A Common Stock 76,722 I See footnote(4)
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year) 3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Class B Common Stock (5) (5) Class A Common Stock 14,310 0.00 D
Explanation of Responses:
1. The shares are held of record Phi-X Capital, LLC, for which the reporting person serves as a manager.
2. The shares are held of record by First Republic Trust Company of Delaware LLC, trustee of a dynasty trust for the reporting person's minor daughter and for which the reporting person serves as an investment advisor.
3. The shares are held of record by First Republic Trust Company of Delaware LLC, trustee of a dynasty trust for the reporting person's minor son and for which the reporting person serves as an investment advisor.
4. The shares are held of record by The Ronaghi Children's Trust UTD December 2014 for which the reporting person serves as a trustee.
5. Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.
Remarks:
Exhibit 24- Power of Attorney
/s/ Elona Kogan, by power of attorney 02/18/2021
** 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 5 (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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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                                POWER OF ATTORNEY

	The undersigned, as a Section 16 reporting person of Seer, Inc.
(the "Company"), hereby constitutes and appoints David Horn, Elona Kogan
and Jen Maggio, and each of them, the undersigned's true and lawful
attorney-in-fact, to:

      1. complete and execute Forms 3, 4 and 5 and other forms and all
amendments thereto as such attorney-in-fact shall in his or her discretion
determine to be required or advisable pursuant to Section 16 of the
Securities Exchange Act of 1934 (as amended) and the rules and regulations
promulgated thereunder, or any successor laws and regulations, as a
consequence of the undersigned's ownership, acquisition or disposition of
securities of the Company; and

      2. do all acts necessary in order to file such forms with the U.S.
Securities and Exchange Commission, any securities exchange or national
association, the Company and such other person or agency as the attorney-
in-fact shall deem appropriate.

      The undersigned hereby ratifies and confirms all that said attorneys-
in-fact and agents shall do or cause to be done by virtue hereof.  The
undersigned acknowledges that the foregoing attorneys-in-fact, in serving
in such capacity at the request of the undersigned, are not assuming, nor
is the Company assuming, any of the undersigned's responsibilities to
comply with Section 16 of the Securities Exchange Act of 1934 (as amended).

      This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Forms 3, 4 and 5 with respect
to the undersigned's holdings of and transactions in securities issued by
the Company, unless earlier revoked by the undersigned in a signed writing
delivered to the Company and the foregoing attorneys-in-fact.

      IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney
to be executed as of this 13th day of February, 2021.

      					Signature: /s/ Mostafa Ronaghi
      					Name: Mostafa Ronaghi