---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-265852"
form_type: "8-K"
ticker: "SNDX"
cik: "0001395937"
company_name: "Syndax Pharmaceuticals Inc"
filed_at: "2026-06-10T20:15:16+00:00"
generated_at: "2026-06-10T20:21:48.548911+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# Syndax shareholders approve 2026 equity plans; 7.2M new shares reserved

## Summary
- Stockholders approved 2026 Equity Incentive Plan authorizing 7,200,000 new shares plus returning shares from prior plan.
- Stockholders also approved 2026 Employee Stock Purchase Plan as successor to 2015 ESPP; no rollover of prior shares.
- Proposal 4 (2026 Plan) passed with 33,333,263 for vs. 25,392,051 against; Proposal 5 (ESPP) passed with 58,661,941 for.
- All director nominees elected and advisory vote on executive compensation passed; ratification of auditor approved.

## SEC filing metadata
- accession: 0001193125-26-265852
- form_type: 8-K
- ticker: SNDX
- cik: 0001395937
- company_name: Syndax Pharmaceuticals Inc
- filed_at: 2026-06-10T20:15:16+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 5.02, 5.07, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1395937/000119312526265852/0001193125-26-265852-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1395937/000119312526265852/sndx-20260610.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-265852
- JSON: https://secwatch.observer/filing/0001193125-26-265852.json
- Plain text: https://secwatch.observer/filing/0001193125-26-265852.txt

## Key facts
- Shareholder Votes
  Syndax Pharmaceuticals Inc shareholders approved Advisory vote on executive compensation at the 2026-06-10 meeting.
  - Proposal: say on pay
  - Outcome: passed
  - Meeting: 2026-06-10
  source text: For Against Abstain Broker Non-Votes 55,688,039 2,985,350 89,474 8,034,588
  evidence_url: https://www.sec.gov/Archives/edgar/data/1395937/000119312526265852/0001193125-26-265852-index.htm
- Shareholder Votes
  Syndax Pharmaceuticals Inc shareholders approved Election of directors at the 2026-06-10 meeting.
  - Proposal: director election
  - Outcome: passed
  - Meeting: 2026-06-10
  source text: Pierre Legault 37,294,888 21,467,975 8,034,588 Michael A. Metzger 58,113,110 649,753 8,034,588
  evidence_url: https://www.sec.gov/Archives/edgar/data/1395937/000119312526265852/0001193125-26-265852-index.htm
- Shareholder Votes
  Syndax Pharmaceuticals Inc shareholders approved Ratification of selection of independent registered public accounting firm at the 2026-06-10 meeting.
  - Proposal: auditor ratification
  - Outcome: passed
  - Meeting: 2026-06-10
  source text: For Against Abstain Broker Non-Votes 66,603,912 162,947 30,592 —
  evidence_url: https://www.sec.gov/Archives/edgar/data/1395937/000119312526265852/0001193125-26-265852-index.htm
- Shareholder Votes
  Syndax Pharmaceuticals Inc shareholders approved Approval of the 2026 Plan at the 2026-06-10 meeting.
  - Proposal: equity plan
  - Outcome: passed
  - Meeting: 2026-06-10
  source text: For Against Abstain Broker Non-Votes 33,333,263 25,392,051 37,549 8,034,588
  evidence_url: https://www.sec.gov/Archives/edgar/data/1395937/000119312526265852/0001193125-26-265852-index.htm
- Shareholder Votes
  Syndax Pharmaceuticals Inc shareholders approved Approval of the 2026 ESPP at the 2026-06-10 meeting.
  - Outcome: passed
  - Meeting: 2026-06-10
  source text: For Against Abstain Broker Non-Votes 58,661,941 74,047 26,875 8,034,588
  evidence_url: https://www.sec.gov/Archives/edgar/data/1395937/000119312526265852/0001193125-26-265852-index.htm

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