---
schema_version: "secwatch.filing_event.v1"
accession: "0001564590-23-004277"
form_type: "8-K"
ticker: "ACHV"
cik: "0000949858"
company_name: "ACHIEVE LIFE SCIENCES, INC."
filed_at: "2023-03-23T23:59:59+00:00"
generated_at: "2026-06-17T20:43:10.946556+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 to appoint three new board directors by April 3 under amended pact with Dialectic

## Summary
- Amendment to March 1 Cooperation Agreement requires three new Board appointments by April 3, 2023.
- Board may expand to up to 11 directors to fill vacancies via incumbent departures or size increase.
- New directors will be nominated for election at the 2023 Annual Meeting.
- Dialectic Capital Management and affiliates, including John Fichthorn, are parties to the amendment.

## SEC filing metadata
- accession: 0001564590-23-004277
- form_type: 8-K
- ticker: ACHV
- cik: 0000949858
- company_name: ACHIEVE LIFE SCIENCES, INC.
- filed_at: 2023-03-23T23:59:59+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/949858/000156459023004277/0001564590-23-004277-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/949858/000156459023004277/achv-8k_20230321.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001564590-23-004277
- JSON: https://secwatch.observer/filing/0001564590-23-004277.json
- Plain text: https://secwatch.observer/filing/0001564590-23-004277.txt

## Key facts
- Material Agreements
  ACHIEVE LIFE SCIENCES, INC. amended Amendment to Cooperation Agreement with Dialectic Capital Management, LP and related entities (effective 2023-03-21).
  - Action: amendment
  - Counterparty: Dialectic Capital Management, LP and related entities
  - Effective: 2023-03-21
  source text: On March 21, 2023, Achieve Life Sciences, Inc. (the “Company”) entered into an amendment (the “Amendment”) to its Cooperation Agreement (the “Cooperation Agreement”) with Dialectic Capital Management, LP (“Dialectic”) and related entities (collectively with Dialectic, the “Stockholders”) regarding certain changes to the composition of the Company’s board of directors (the “Board”) and other related matters.
  evidence_url: https://www.sec.gov/Archives/edgar/data/949858/000156459023004277/0001564590-23-004277-index.htm

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