---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-25-025082"
form_type: "8-K"
ticker: "SHPH"
cik: "0001757499"
company_name: "Shuttle Pharmaceuticals Holdings, Inc."
filed_at: "2025-11-26T23:59:59+00:00"
generated_at: "2026-05-16T16:32:40.822444+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Shuttle Pharma acquires AI drug discovery assets for up to $10M; $3M cash paid at close

## Summary
- Acquired substantially all assets of 1542770 BC Ltd. for total consideration up to $10M: $3M cash at close, $3M in 6 months, $2M in 1 year, plus up to $2M contingent milestone payments.
- Seller may elect to receive future installments in cash or SHPH common stock, capped at 19.99% of outstanding shares without stockholder approval.
- Milestone payments of $1M each require: (1) extension of AI platform for drug-target interaction within 3 months, (2) production of Agentic AI mode for automated drug discovery within 6 months.
- Transaction closed November 20, 2025; Zhitian (Andy) Zhang remains as Key Consultant under non-compete and consulting agreements.

## SEC filing metadata
- accession: 0001493152-25-025082
- form_type: 8-K
- ticker: SHPH
- cik: 0001757499
- company_name: Shuttle Pharmaceuticals Holdings, Inc.
- filed_at: 2025-11-26T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 1.01, 2.01, 3.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1757499/000149315225025082/0001493152-25-025082-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1757499/000149315225025082/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-25-025082
- JSON: https://secwatch.observer/filing/0001493152-25-025082.json
- Plain text: https://secwatch.observer/filing/0001493152-25-025082.txt

## Source-grounded claims
- claim_id: 142a1217fc7ef62648aecc4de2735d01b1287f06
  claim: Shuttle Pharmaceuticals Holdings, Inc. completed an acquisition involving 1542770 BC Ltd. for aggregate consideration payable ... consists of: (a) a one-time cash contribution of $3,000,000, paid on the Closing Date; (ii) a first installment contribution (closed 2025-11-20).
  evidence_excerpt: by or on behalf of the Purchaser for the sale, transfer, and delivery of the Transferred Assets and Transferred Liabilities consists of: (a) a one-time cash contribution of $3,000,000, paid on the Closing Date; (ii) a first installment contribution equal to $3,000,000, payable on the 6 month anniversary of the Closing Date; and (iii) a second installment
  evidence_url: https://www.sec.gov/Archives/edgar/data/1757499/000149315225025082/0001493152-25-025082-index.htm

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