# EDGAR Filing Document

**Accession Number:** 0001540171
**File Stem:** 9999999995-26-001383
**Filing Date:** 2026-4
**Character Count:** 1360
**Document Hash:** d847f3bb290de69c1a97b3d60fdcf1c8
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**9999999995-26-001383.hdr.sgml**: 20260430

**ACCESSION NUMBER**: 9999999995-26-001383

**CONFORMED SUBMISSION TYPE**: EFFECT

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260429

**DATE AS OF CHANGE**: 20260430

**EFFECTIVENESS DATE**: 20260429

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Avalyn Pharma Inc.
- **CENTRAL INDEX KEY:** 0001540171
- **STANDARD INDUSTRIAL CLASSIFICATION:** PHARMACEUTICAL PREPARATIONS [2834]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 452463191
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** EFFECT
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-294932
- **FILM NUMBER:** 26919642

**BUSINESS ADDRESS:**
- **STREET 1:** 105 W FIRST ST.
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02127
- **BUSINESS PHONE:** (206) 707-0340

**MAIL ADDRESS:**
- **STREET 1:** 105 W FIRST ST.
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02127

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Genoa Pharmaceuticals, Inc.
- **DATE OF NAME CHANGE:** 20120120

### UNITED STATES
### SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## Notice of Effectiveness

**Date:** April 29, 2026

**Time:** 16:00:00

**Form Type:** S-1

---

**CIK:** 0001540171

**Company Name:** Avalyn Pharma Inc.

**File Number:** 333-294932