---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-063294"
form_type: "8-K"
ticker: null
cik: "0001845459"
company_name: "NKGen Biotech, Inc."
filed_at: "2023-05-23T23:59:59+00:00"
generated_at: "2026-06-14T17:30:06.724124+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Graf Acquisition Corp. IV extends deadline to Sept 29, 2023; $113.3M redeemed

## Summary
- Special meeting on May 22, 2023 approved extension of initial business combination deadline to September 29, 2023.
- Vote: 17,513,683 for, 1,057 against, 0 abstentions.
- Holders of 11,078,000 shares redeemed at ~$10.227 per share, aggregate $113.3 million.
- Post-redemption trust account balance is approximately $62.2 million.
- Charter amendment filed with Delaware Secretary of State.

## SEC filing metadata
- accession: 0001104659-23-063294
- form_type: 8-K
- cik: 0001845459
- company_name: NKGen Biotech, Inc.
- filed_at: 2023-05-23T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 5.03, 5.07, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1845459/000110465923063294/0001104659-23-063294-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1845459/000110465923063294/tm2316500d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-063294
- JSON: https://secwatch.observer/filing/0001104659-23-063294.json
- Plain text: https://secwatch.observer/filing/0001104659-23-063294.txt

## Key facts
- Governance Changes
  NKGen Biotech, Inc.: Amended certificate of incorporation to extend the deadline for initial business combination from May 25, 2023 to September 29, 2023, and allow board to elect an earlier wind-up date (effective 2023-05-22).
  - Change: charter amendment
  - Effective: 2023-05-22
  source text: the Company filed the Charter Amendment with the Secretary of State of the State of Delaware. A copy of the Charter Amendment is attached hereto as Exhibit 3.1.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1845459/000110465923063294/0001104659-23-063294-index.htm
- Shareholder Votes
  NKGen Biotech, Inc. shareholders approved Extension Amendment Proposal to amend the charter to extend the date to consummate an initial business combination from May 25, 2023 to September 29, 2023 and permit the board to elect an earlier wind-up. at the 2023-05-22 meeting.
  - Proposal: charter amendment
  - Outcome: passed
  - Meeting: 2023-05-22
  source text: Approval of Extension Amendment Proposal Votes For Votes Against Abstentions 17,513,683 1,057 0
  evidence_url: https://www.sec.gov/Archives/edgar/data/1845459/000110465923063294/0001104659-23-063294-index.htm

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