---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-25-003460"
form_type: "8-K"
ticker: "OSTX"
cik: "0001795091"
company_name: "OS Therapies Inc"
filed_at: "2025-01-14T23:59:59+00:00"
generated_at: "2026-05-28T02:12:30.775153+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# OS Therapies completes second closing of $1.05M private placement

## Summary
- Second closing sold 263,250 units at $4.00 each, raising $1.053 million in gross proceeds.
- Each unit consists of one share of Series A Convertible Preferred Stock and a warrant to purchase one common share.
- Amendment to securities purchase agreement allows multiple closings up to $10 million, with final closing by Feb 15, 2025.
- Investors in second closing include Tichenor Ventures, LLC; placement agent Brookline Capital Markets received $35,157 cash fee.

## SEC filing metadata
- accession: 0001213900-25-003460
- form_type: 8-K
- ticker: OSTX
- cik: 0001795091
- company_name: OS Therapies Inc
- filed_at: 2025-01-14T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 1.01, 3.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1795091/000121390025003460/0001213900-25-003460-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1795091/000121390025003460/ea0227697-8k_osthera.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-25-003460
- JSON: https://secwatch.observer/filing/0001213900-25-003460.json
- Plain text: https://secwatch.observer/filing/0001213900-25-003460.txt

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