---
schema_version: "secwatch.filing_event.v1"
accession: "0001819142-23-000013"
form_type: "8-K"
ticker: "SES"
cik: "0001819142"
company_name: "SES AI Corp"
filed_at: "2023-03-01T23:59:59+00:00"
generated_at: "2026-06-18T18:39:27.557617+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# SES AI delays 10-K filing, expects material weaknesses; 2022 cash usage $61M below guidance

## Summary
- Unable to complete 10-K on time; filed NT 10-K for 15-day grace period; expects to file by March 16, 2023.
- Became large accelerated filer, lost EGC status; first-time SOX 404 compliance; expects material weaknesses in internal controls.
- 2022 cash usage ~$61M, below prior guidance of $75-85M; available liquidity ~$390M as of Dec 31, 2022.
- CEO states three A-sample lines built under budget and ahead of time; transitioning to B-sample and commercial production.

## SEC filing metadata
- accession: 0001819142-23-000013
- form_type: 8-K
- ticker: SES
- cik: 0001819142
- company_name: SES AI Corp
- filed_at: 2023-03-01T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1819142/000181914223000013/0001819142-23-000013-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1819142/000181914223000013/ses-20230301x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001819142-23-000013
- JSON: https://secwatch.observer/filing/0001819142-23-000013.json
- Plain text: https://secwatch.observer/filing/0001819142-23-000013.txt

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