---
schema_version: "secwatch.filing_event.v1"
accession: "0000950142-23-000654"
form_type: "8-K"
ticker: null
cik: "0001841004"
company_name: "Altimar Acquisition Corp. III"
filed_at: "2023-03-08T23:59:59+00:00"
generated_at: "2026-06-18T08:47:20.315638+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Altimar III extends SPAC deadline to Sept 8, 2023; removes $5M redemption cap

## Summary
- Shareholders approved extending business combination deadline from March 8 to September 8, 2023.
- Eliminated the $5,000,001 net tangible assets redemption limitation.
- Articles amendment took effect on March 6, 2023 upon shareholder approval.
- Company now has until September 8, 2023 to complete its initial business combination.

## SEC filing metadata
- accession: 0000950142-23-000654
- form_type: 8-K
- cik: 0001841004
- company_name: Altimar Acquisition Corp. III
- filed_at: 2023-03-08T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1841004/000095014223000654/0000950142-23-000654-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1841004/000095014223000654/eh230337476_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950142-23-000654
- JSON: https://secwatch.observer/filing/0000950142-23-000654.json
- Plain text: https://secwatch.observer/filing/0000950142-23-000654.txt

## Key facts
- Governance Changes
  Altimar Acquisition Corp. III: Extended deadline to consummate business combination from March 8, 2023 to September 8, 2023 and eliminated $5,000,001 net tangible asset redemption limitation (effective 2023-03-06).
  - Change: charter amendment
  - Effective: 2023-03-06
  source text: the Company’s shareholders approved amendments to the Company’s Amended and Restated Memorandum and Articles of Association, as amended (the “Articles Amendment”) to (i) extend the date by which the Company must consummate its initial business combination from March 8, 2023 to September 8, 2023 (the “Extension”), and (ii) eliminate the limitation that the Company shall not redeem public shares to the extent that such redemption would cause the Company’s net tangible assets to be less than $5,000,001 (the “Redemption Limitation”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1841004/000095014223000654/0000950142-23-000654-index.htm

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