---
schema_version: "secwatch.filing_event.v1"
accession: "0001035267-21-000144"
form_type: "8-K"
ticker: "ISRG"
cik: "0001035267"
company_name: "INTUITIVE SURGICAL INC"
filed_at: "2021-08-05T23:59:59+00:00"
generated_at: "2026-06-29T21:09:20.999039+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Intuitive Surgical announces 3-for-1 stock split, pending shareholder vote on Sept. 20

## Summary
- Board approved a 3-for-1 split via amendment to certificate of incorporation; authorized shares to increase from 300M to 600M.
- Record date for split is Sept. 27, 2021; distribution date Oct. 4; trading on split-adjusted basis expected Oct. 5.
- Outstanding equity awards (options, RSUs) will be proportionally adjusted; vesting schedules unchanged.
- Company states split should not be interpreted as incremental confidence in future financial results.

## SEC filing metadata
- accession: 0001035267-21-000144
- form_type: 8-K
- ticker: ISRG
- cik: 0001035267
- company_name: INTUITIVE SURGICAL INC
- filed_at: 2021-08-05T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1035267/000103526721000144/0001035267-21-000144-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1035267/000103526721000144/isrg-20210805.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001035267-21-000144
- JSON: https://secwatch.observer/filing/0001035267-21-000144.json
- Plain text: https://secwatch.observer/filing/0001035267-21-000144.txt

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