---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-24-153034"
form_type: "8-K"
ticker: "SPRO"
cik: "0001701108"
company_name: "Spero Therapeutics, Inc."
filed_at: "2024-06-03T23:59:59+00:00"
generated_at: "2026-06-01T06:51:17.092326+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Spero Therapeutics shareholders approve 3M share increase for 2017 stock plan

## Summary
- Stockholders approved amendment to 2017 Stock Incentive Plan, adding 3,000,000 authorized shares.
- All three Class I director nominees (Scott Jackson, John C. Pottage Jr., Cynthia Smith) were reelected.
- Ratification of PricewaterhouseCoopers as auditor for FY2024 passed with 36.6M votes for.
- Advisory vote on executive compensation approved (23.9M for, 442k against).
- Quorum of 68.23% of outstanding shares present at annual meeting.

## SEC filing metadata
- accession: 0001193125-24-153034
- form_type: 8-K
- ticker: SPRO
- cik: 0001701108
- company_name: Spero Therapeutics, Inc.
- filed_at: 2024-06-03T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 5.02, 5.07, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1701108/000119312524153034/0001193125-24-153034-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1701108/000119312524153034/d842476d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-24-153034
- JSON: https://secwatch.observer/filing/0001193125-24-153034.json
- Plain text: https://secwatch.observer/filing/0001193125-24-153034.txt

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