---
schema_version: "secwatch.filing_event.v1"
accession: "0001564590-23-003159"
form_type: "8-K"
ticker: "ACHV"
cik: "0000949858"
company_name: "ACHIEVE LIFE SCIENCES, INC."
filed_at: "2023-03-06T23:59:59+00:00"
generated_at: "2026-06-18T12:37:49.093934+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Achieve Life Sciences enters cooperation agreement with Dialectic Capital; appoints three new directors

## Summary
- Company to appoint three Designees to Board by March 21, 2023, filling vacancies from incumbent departures or board expansion.
- Board size to be set at eight directors by 2023 Annual Meeting; incumbent directors may resign to comply.
- Dialectic agrees to standstill, voting commitments, and non-disparagement until Expiration Date (generally 15 business days before 2024 annual meeting).
- Designees to be nominated for election at 2023 Annual Meeting; at least one Designee on each committee except CMC.
- Agreement terminates if Dialectic ownership falls below 10% or material breach.

## SEC filing metadata
- accession: 0001564590-23-003159
- form_type: 8-K
- ticker: ACHV
- cik: 0000949858
- company_name: ACHIEVE LIFE SCIENCES, INC.
- filed_at: 2023-03-06T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/949858/000156459023003159/0001564590-23-003159-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/949858/000156459023003159/achv-8k_20230301.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001564590-23-003159
- JSON: https://secwatch.observer/filing/0001564590-23-003159.json
- Plain text: https://secwatch.observer/filing/0001564590-23-003159.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.