[Form 4] Seer, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Seer, Inc. (SEER) director Ro Isaac received equity awards on 09/02/2025 consisting of 41,000 restricted stock units (RSUs) and a stock option for 61,000 shares with a $2.04 exercise price. The RSUs and the option shares vest in three equal annual installments beginning on September 2, 2026, and the option expires September 2, 2035. After the reported transactions, Mr. Isaac beneficially owns 41,000 Class A shares and holds options covering 61,000 shares. The Form 4 was filed by one reporting person and executed under power of attorney.

Positive

• Director alignment: Grants of 41,000 RSUs and options for 61,000 shares align the reporting person’s incentives with shareholders via multi-year vesting.
• Clear vesting schedule: Both RSUs and options vest in three equal annual installments beginning 09/02/2026, supporting retention and long-term focus.

Negative

• Potential share overhang: Options cover 61,000 shares, which could increase the company’s outstanding shares if exercised before expiration on 09/02/2035.

Insights

Financial Analyst

TL;DR: Director received equity compensation that vests over three years; this aligns pay with long-term performance without immediate dilution.

The 09/02/2025 grants include 41,000 RSUs and a stock option for 61,000 shares at a $2.04 exercise price. Both equity instruments vest in three equal annual installments starting 09/02/2026. The option expires 09/02/2035. From an analyst perspective, these are routine director compensation actions that increase insider alignment with shareholders and add contingent share-based obligations that will only affect share count as they vest or are exercised.

Corporate Governance Expert

TL;DR: Equity grants for a director follow standard multi-year vesting; disclosure is complete and consistent with SEC requirements.

The Form 4 discloses the grant types, amounts, vesting commencement date, exercise price, and option expiration. Vesting begins one year after grant and occurs in three equal installments, which supports retention incentives. Filing shows a single reporting person and includes a signature by power of attorney, meeting procedural norms for Section 16 reporting.

09/03/2025 - 09:06 PM

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

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Ro Isaac

(Last) (First) (Middle)

C/O SEER, INC.

3800 BRIDGE PARKWAY, SUITE 102

(Street)

REDWOOD CITY CA 94065

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
09/02/2025

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
Class A Common Stock	09/02/2025		A		41,000(1)	A	$0	41,000	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)	$2.04	09/02/2025		A		61,000		(2)	09/02/2035	Class A Common Stock	61,000	$0	61,000	D

Explanation of Responses:

1. The reported shares are represented by restricted stock units, or RSUs, which vest in three equal annual installments beginning on September 2, 2026.

2. The shares subject to the option vest in three equal annual installments beginning on September 2, 2026.

	/s/ David Horn, by power of attorney	09/03/2025
	** 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.

FAQ

What equity did Ro Isaac receive on the 09/02/2025 Form 4 for SEER?

Ro Isaac received 41,000 restricted stock units (RSUs) and a stock option for 61,000 shares with a $2.04 exercise price.

When do the RSUs and options granted to Ro Isaac vest?

Both the RSUs and the option shares vest in three equal annual installments beginning on September 2, 2026.

What is the option expiration date disclosed in the Form 4?

The stock option expires on September 2, 2035.

How many Class A shares does Ro Isaac beneficially own following the reported transactions?

Following the transactions, Ro Isaac beneficially owns 41,000 Class A shares and holds options for 61,000 additional shares.

Was the Form 4 filed individually or jointly for SEER?

The Form 4 was filed by one reporting person and executed under a power of attorney on 09/03/2025.