Lee S Ainslie Iii Form 4/A Seer / LEE S AINSLIE III ownership change

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^*

AINSLIE LEE S III

(Last) (First) (Middle)

767 5TH AVENUE, 11TH FLOOR

(Street)

NEW YORK NY 10153

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Seer, Inc. [ SEER ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

Director	X	10% Owner
Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
12/08/2020

4. If Amendment, Date of Original Filed (Month/Day/Year)
12/10/2020

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
Class A Common Stock	12/08/2020		P		18,030	A	$19	18,030	I	See Footnotes(1)(2)
Class A Common Stock	12/08/2020		P		19,230	A	$19	19,230	I	See Footnotes(1)(3)
Class A Common Stock	12/08/2020		P		12,190	A	$19	12,190	I	See Footnotes(1)(4)
Class A Common Stock	12/08/2020		P		21,310	A	$19	21,310	I	See Footnotes(1)(5)
Class A Common Stock	12/08/2020		P		22,620	A	$19	22,620	I	See Footnotes(1)(6)

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

Explanation of Responses:

1. The reported shares are held of record by funds (the "Funds") managed by Maverick Capital, Ltd. Maverick Capital Management, LLC is the general partner of Maverick Capital Ltd. The Reporting Person is the manager of Maverick Capital Management, LLC. The Reporting Person disclaims beneficial ownership of the reported securities held of record by the Funds except to the extent of any pecuniary interest therein.

2. The shares are held by Maverick Fund II, Ltd.

3. The shares are held by Maverick Fund, L.D.C.

4. The shares are held by Maverick Long Fund, Ltd.

5. The shares are held by Maverick Long Enhanced Fund, Ltd.

6. The shares are held by Maverick Fund USA, Ltd.

Remarks:

	/s/ Mark Gurevich, by power of attorney for Lee S. Ainslee III	12/31/2020
	** 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.