Charles Endweiss - 02 Nov 2026 Form 4 Insider Report for Seer, Inc. (SEER)

Reporting relationship: VP Financial Planning Analysis
Issuer ticker: SEER
Reported as of: 02 Nov 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 04 Nov 2026, 16:13:49 UTC
Prior SEC filing: 08 Oct 2026
Source filing: View source filing
Reporting owner signature: /s/ Charles Endweiss

Filing notes and source

Key filing fact

Charles Endweiss filed Form 4 for Seer, Inc. (SEER) on 04 Nov 2026.

Key facts

This page summarizes Charles Endweiss's Form 4 filing for Seer, Inc. (SEER).
2 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 04 Nov 2026, 16:13.

Change

Previous filing in this sequence was filed on 08 Oct 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002157949 Primary reporting owner

Endweiss Charles

Relationship: VP Financial Planning Analysis
Address: C/O SEER, INC., 3800 BRIDGE PARKWAY, SUITE 102, REDWOOD CITY
Signature: /s/ Charles Endweiss
Signature date: 04 Nov 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

SEER transaction

Class A Common Stock

Award

Transaction value
Shares: +35,000
Change %: +33%
Price: $0.000000^*
Shares after: 142,641
Date: 02 Nov 2026
Ownership: Direct
Footnotes: F1

SEER holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 141
Date: 02 Nov 2026
Ownership: See footnote
Footnotes: F2

SEER holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 175
Date: 02 Nov 2026
Ownership: See footnote
Footnotes: F3

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

SEER transaction Derivative

Employee Stock Option (right to buy)

Award

Transaction value
Shares: +65,000
Change %
Price: $0.000000^*
Shares after: 65,000
Date: 02 Nov 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 65,000
Exercise price: $1.73
Footnotes: F4

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote F1

The reported shares are represented by restricted stock units, or RSUs, which vest in four equal annual installments beginning on November 15, 2027.

Footnote F2

The shares are held in a custodial account for the reporting person's elder son.

Footnote F3

The shares are held in a custodial account for the reporting person's younger son.

Footnote F4

One-fourth of the shares underlying the option vest on November 1, 2027 and the remaining shares vest in 36 equal monthly installments thereafter.