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Employer with a benefit plan

DYNE THERAPEUTICS INC

DYNE THERAPEUTICS INC's Employer Identification Number (EIN) is 36-4883909.

At a glance

EIN
36-4883909 · 364883909
Legal name
DYNE THERAPEUTICS INC
Address on file
1560 TRAPELO RD, WALTHAM, MA 02451
Records show
SEC filer; employer with a benefit plan
Latest record
2026-09-04

SEC records

SEC EDGAR company filings · records as of 2026-09-04

SEC CIK
0001818794
Source: SEC · as of 2026-09-04
Industry (SIC)
Pharmaceutical Preparations (2834)
Source: SEC · as of 2026-09-04
State of incorporation
DE
Source: SEC · as of 2026-09-04
Ticker
DYN
Source: SEC · as of 2026-09-04
Latest SEC filing
144 2026-09-04
Source: SEC · as of 2026-09-04

Benefit plans

DOL Form 5500 filings (EFAST2) · records as of 2025-10-15

Benefit plan 1, 2024 filing
DYNE THERAPEUTICS 401(K) PLAN
Source: DOL 5500 · as of 2025-10-15
Participants (start of year)
151
Source: DOL 5500 · as of 2025-10-15
Plan features
Profit-sharing; ERISA 404(c) plan; Participant-directed; 401(k) feature; 401(m) matching; Automatic enrollment
Source: DOL 5500 · as of 2025-10-15
Plan type
Single-employer plan
Source: DOL 5500 · as of 2025-10-15
Business code (NAICS)
541700
Source: DOL 5500 · as of 2025-10-15
Benefit plan 501, 2024 filing
DYNE THERAPEUTICS HEALTH AND WELFARE PLAN
Source: DOL 5500 · as of 2025-05-27
Participants (start of year)
135
Source: DOL 5500 · as of 2025-05-27
Plan features
Health (other than dental or vision); Life insurance; Dental; Vision; Temporary disability; Long-term disability
Source: DOL 5500 · as of 2025-05-27
Plan type
Single-employer plan
Source: DOL 5500 · as of 2025-05-27

What this record is

Public filings that carry this EIN (DOL Form 5500 filings (EFAST2), DOL Form 5500-SF filings (EFAST2) and SEC EDGAR company filings), shown as filed. Nothing is scraped from the IRS, and a public-record match is not IRS TIN validation.

What it is not

Registry status, formation date, and registered agent come from the Secretary of the Commonwealth, Corporations Division; see the Massachusetts business entity search.

If something is wrong

A name, address, or classification here is what the source published. To correct the source, file with it; to have this page removed, see corrections and removal.

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