---
schema_version: "secwatch.filing_event.v1"
accession: "0001854270-25-000077"
form_type: "8-K"
ticker: "SNTI"
cik: "0001854270"
company_name: "Senti Biosciences, Inc."
filed_at: "2025-07-18T23:59:59+00:00"
generated_at: "2026-05-18T05:49:29.109808+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# Senti Bio appoints Bryan Baum to Board of Directors

## Summary
- Bryan Baum, co-founder and managing partner of K5 Global, appointed to board effective July 18, 2025.
- Baum received initial option award for 43,900 shares vesting monthly over three years; annual cash retainer $35,000.
- Board size increased from seven to eight members; Baum fills new seat as Class II director until 2027 annual meeting.
- Baum's portfolio includes SpaceX, xAI, Anduril, OpenAI; previously sold companies Blue Vision Labs, Parrot, Operam.

## SEC filing metadata
- accession: 0001854270-25-000077
- form_type: 8-K
- ticker: SNTI
- cik: 0001854270
- company_name: Senti Biosciences, Inc.
- filed_at: 2025-07-18T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1854270/000185427025000077/0001854270-25-000077-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1854270/000185427025000077/snti-20250718.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001854270-25-000077
- JSON: https://secwatch.observer/filing/0001854270-25-000077.json
- Plain text: https://secwatch.observer/filing/0001854270-25-000077.txt

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