---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-26-005920"
form_type: "8-K"
ticker: "SERV"
cik: "0001832483"
company_name: "Serve Robotics Inc. /DE/"
filed_at: "2026-01-21T23:59:59+00:00"
generated_at: "2026-05-16T09:20:42.674650+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Serve Robotics to acquire Diligent Robotics for $29M in stock, expanding into hospital robots

## Summary
- Acquisition consideration: $29.0M in Serve common stock (at ~$14.38/share), plus up to $5.3M earnout.
- Diligent's Moxi robot: over 1.25M deliveries, ~100 robots across 25+ hospitals; annual sales per hospital $200k–$400k.
- Transaction expected to close in Q1 2026; subject to customary closing conditions and Nasdaq listing of shares.
- Diligent (founded 2017) raised over $100M from Tiger Global, Canaan, True Ventures; CEO Andrea Thomaz to lead subsidiary.
- Deal extends Serve's autonomy platform from sidewalk delivery into indoor healthcare environments.

## SEC filing metadata
- accession: 0001213900-26-005920
- form_type: 8-K
- ticker: SERV
- cik: 0001832483
- company_name: Serve Robotics Inc. /DE/
- filed_at: 2026-01-21T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 1.01, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1832483/000121390026005920/0001213900-26-005920-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1832483/000121390026005920/ea0273454-8k_serve.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-26-005920
- JSON: https://secwatch.observer/filing/0001213900-26-005920.json
- Plain text: https://secwatch.observer/filing/0001213900-26-005920.txt

## Key facts
- Material Agreements
  Serve Robotics Inc. /DE/ entered into Merger Agreement with Diligent Robotics, Inc. valued at $29.0 million (effective 2026-01-19).
  - Action: entry
  - Agreement: merger
  - Counterparty: Diligent Robotics, Inc.
  - Value: $29.0 million
  - Effective: 2026-01-19
  source text: On January 19, 2026, Serve Robotics Inc., a Delaware corporation (the “Company”), entered into an Agreement and Plan of Merger (the “Merger Agreement”) by and among the Company, Delight Merger Sub, Inc., a Delaware corporation and direct wholly owned subsidiary of the Company (“Merger Sub”), Diligent Robotics, Inc. (“Diligent”)
  evidence_url: https://www.sec.gov/Archives/edgar/data/1832483/000121390026005920/0001213900-26-005920-index.htm

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