# EDGAR Filing Document

**Accession Number:** 0001726445
**File Stem:** 0001193125-26-107355
**Filing Date:** 2026-3
**Character Count:** 4887
**Document Hash:** da64b3dd85d240a4530a545d8e888fcf
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-107355.hdr.sgml**: 20260316

**ACCESSION NUMBER**: 0001193125-26-107355

**CONFORMED SUBMISSION TYPE**: 8-A12B/A

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260316

**DATE AS OF CHANGE**: 20260316

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Seer, Inc.
- **CENTRAL INDEX KEY:** 0001726445
- **STANDARD INDUSTRIAL CLASSIFICATION:** LABORATORY ANALYTICAL INSTRUMENTS [3826]
- **ORGANIZATION NAME:** 08 Industrial Applications and Services
- **EIN:** 821153150
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-A12B/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-39747
- **FILM NUMBER:** 26754671

**BUSINESS ADDRESS:**
- **STREET 1:** 3800 BRIDGE PARKWAY, SUITE 102
- **CITY:** REDWOOD CITY
- **STATE:** CA
- **ZIP:** 94065
- **BUSINESS PHONE:** 650-453-0000

**MAIL ADDRESS:**
- **STREET 1:** 3800 BRIDGE PARKWAY, SUITE 102
- **CITY:** REDWOOD CITY
- **STATE:** CA
- **ZIP:** 94065

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Seer Biosciences, Inc.
- **DATE OF NAME CHANGE:** 20171226

**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

**WASHINGTON, D.C. 20549**

**FORM 8-A/A**

**(Amendment No. 1)**

**FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES**

**PURSUANT TO SECTION 12(b) OR (g) OF THE**

**SECURITIES EXCHANGE ACT OF 1934**

**SEER, INC.**

(Exact name of Registrant as specified in its charter)

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| | |
|:---|:---|
| **Delaware** | **82-1153150** |
| (State of incorporation or organization) | (I.R.S. Employer Identification No.) |
| **3800 Bridge Parkway, Suite 102**<br>**Redwood City, California 94065** | **3800 Bridge Parkway, Suite 102**<br>**Redwood City, California 94065** |
| (Address of principal executive offices including zip code) | (Address of principal executive offices including zip code) |

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Securities to be registered pursuant to Section 12(b) of the Act:

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| | |
|:---|:---|
| Title of each class<br>to be so registered | Name of each exchange on which<br>each class is to be registered |
| **Class A Common Stock, $0.00001 par value per share** | **The Nasdaq Stock Market LLC** |

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If this form relates to the registration of a class of securities pursuant to Section 12(b) of the Exchange Act and is effective pursuant to General Instruction A.(c) or (e), check the following box. ☒

If this form relates to the registration of a class of securities pursuant to Section 12(g) of the Exchange Act and is effective pursuant to General Instruction A.(d) or (e), check the following box. ☐

If this form relates to the registration of a class of securities concurrently with a Regulation A offering, check the following box. ☐

Securities Act registration statement file number to which this form relates: **Not Applicable**

Securities to be registered pursuant to Section 12(g) of the Act: **None** 

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**EXPLANATORY NOTE**

Seer, Inc. (the "Company") amends its Registration Statement on Form 8-A, dated February 26, 2026 (the "Form 8-A"), as follows. Capitalized terms used in this filing that are not defined have the meaning given to them in the Form 8-A.

**Item 1. Description of Registrant's Securities to be Registered**

Item 1 of the Form 8-A is amended and supplemented by adding the following:

On March 13, 2026, the Company entered into Amendment No. 1 to Tax Benefit Preservation Plan (the "Amendment"), which amends the Tax Benefit Preservation Plan, dated as of February 26, 2026, between the Company and Computershare Trust Company, N.A., as rights agent.

The Amendment clarifies the definition of "Beneficial Ownership" and its interaction with Treasury Regulation § 1.382-3(a)(1).

The Amendment is attached as Exhibit 4.2 and is incorporated by reference herein. The foregoing summary of the Amendment is qualified in its entirety by reference to the full text of Exhibit 4.2.

**Item 2. Exhibits**

Item 2 of the Form 8-A is amended and supplemented by adding the following:

4.2 [<u>Amendment No. 1 to Tax Benefit Preservation Plan, dated as of March 13, 2026, by and between Seer, Inc. and Computershare Trust Company, N.A., as rights agent (incorporated by reference to Exhibit 4.1 to the Current Report on Form 8-K filed by the Company with the Securities and Exchange Commission on March 16, 2026).</u>](https://www.sec.gov/Archives/edgar/data/1726445/000119312526107335/ck0001726445-ex4_1.htm)

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**SIGNATURE**

Pursuant to the requirements of Section 12 of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this registration statement to be signed on its behalf by the undersigned, thereto duly authorized.

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| | | |
|:---|:---|:---|
|  | **SEER, INC.** | **SEER, INC.** |
| Date: March 16, 2026 | By: | <u>/s/ David Horn</u> |
|  |  | David Horn |
|  |  | President and Chief Financial Officer |

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