# Ambrx, INC. 401(k) Plan
Source: https://planprovider.pro/companies/ambrx-inc-401k-plan

> Ambrx, INC.'s 401(k) plan: 0 participants, plan year 2024 financials, providers, and benchmarks from Form 5500.

Form 5500 filing data for plan year 2024.

## Plan Snapshot

- **Plan Sponsor:** Ambrx, INC.

- **Sponsor EIN:** 571147346

- **Sponsor Address:** 10975 NORTH TORREY PINES ROAD, LA JOLLA, CA, 92037

- **Plan Type:** 401(k)

- **Total Participants:** 0

- **Total Assets:** $0

## Key Plan Design Features

- **Auto-Enrollment:** Yes

- **Auto-Escalation:** No

- **Allows Roth Contributions:** No

- **Participant Loans:** No

- **Participant-Directed Investments:** Yes

- **ERISA Section 404(c) Fiduciary Safe Harbor:** Yes

## Plan Financials by Year

| Year|Participants|Total Assets|Employer Contrib.|Employee Contrib.|

| 2025|0|$0|$0|$0|

| 2024|46|$15.5M|$986,283|$1.7M|

| 2023|88|$13.1M|$938,188|$1.6M|

| 2022|67|$10.4M|$394,688|$1.3M|

## Service Providers (Schedule C)

Vendors paid $5,000 or more for services to the plan, ranked by total compensation (direct + indirect fees).

| Provider Name|
Role|
Direct Compensation|
Indirect Compensation|
Total Fees|

| LAVINE LOFGREN MORRIS ENGELBEG LLP|Auditor|—|—|$0|

## Plan Fees & Expenses

Annual service provider fees and administrative expenses sourced from DOL Form 5500 filings.

- **Total Service Provider Fees:** $0

### Historical Administrative Expenses

Breakdown of administrative expense categories reported on Form 5500 filings.

| Year|
Total Admin Expenses|
Investment Mgmt Fees|
Contract Admin Fees|
IQPA Audit Fees|
Professional Fees|

| 2025|$25,752|$19,011|—|—|—|

| 2024|$46,568|$34,460|—|—|—|

| 2023|$34,473|$26,912|—|—|—|

| 2022|$36,092|—|—|—|—|

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