---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-26-043149"
form_type: "8-K/A"
ticker: "SERV"
cik: "0001832483"
company_name: "Serve Robotics Inc. /DE/"
filed_at: "2026-04-14T23:59:59+00:00"
generated_at: "2026-05-15T06:25:52.924959+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "medium"
source: SEC EDGAR
---

# Serve Robotics acquires Diligent Robotics; Diligent posts $22.7M net loss on $9M revenue in 2025

## Summary
- Diligent 2025 revenue $9.0M, net loss $22.7M, gross loss $1.4M; accumulated deficit $112.8M.
- Diligent had $1.1M cash, $17.5M total liabilities, $110.2M stockholders' deficit at Dec 31, 2025.
- Auditors raised substantial doubt about Diligent as going concern, alleviated by the Serve acquisition.
- Acquisition closed Jan 27, 2026; financial statements and pro forma combined data filed as exhibits.
- Diligent's flagship product Moxi automates hospital tasks; key customer concentration at 12% of revenue.

## SEC filing metadata
- accession: 0001213900-26-043149
- form_type: 8-K/A
- ticker: SERV
- cik: 0001832483
- company_name: Serve Robotics Inc. /DE/
- filed_at: 2026-04-14T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: medium
- sec_items: 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1832483/000121390026043149/0001213900-26-043149-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1832483/000121390026043149/ea0283053-8ka1_serve.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-26-043149
- JSON: https://secwatch.observer/filing/0001213900-26-043149.json
- Plain text: https://secwatch.observer/filing/0001213900-26-043149.txt

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