---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-388010"
form_type: "8-K"
ticker: "WHWK"
cik: "0001422142"
company_name: "Whitehawk Therapeutics, Inc."
filed_at: "2026-09-10T21:02:18+00:00"
generated_at: "2026-09-10T21:04:05.750561+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Whitehawk appoints Vijay Iyengar, MD, to board; board expands to 10

## Summary
- Board expanded from 9 to 10; Iyengar appointed Class III director effective Sept 9, 2026, term to 2029 annual meeting.
- Iyengar served as EVP at Incyte (INCY) from 2016-2025; led growth from ~$1B to >$4B revenue, launched 5 brands.
- As non-employee director, receives $40k annual retainer and initial option grant of 76,080 shares vesting over 3 years.
- Press release dated Sept 10, 2026 attached as Exhibit 99.1; no related-party transactions or family relationships.

## SEC filing metadata
- accession: 0001193125-26-388010
- form_type: 8-K
- ticker: WHWK
- cik: 0001422142
- company_name: Whitehawk Therapeutics, Inc.
- filed_at: 2026-09-10T21:02:18+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1422142/000119312526388010/0001193125-26-388010-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1422142/000119312526388010/d160342d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-388010
- JSON: https://secwatch.observer/filing/0001193125-26-388010.json
- Plain text: https://secwatch.observer/filing/0001193125-26-388010.txt

## Key facts
- Executive change
  Vijay Iyengar, M.D. was appointed as Class III director at Whitehawk Therapeutics, Inc..
  - Action: appointed
  - Role: Class III director
  source text: appointed Vijay Iyengar, M.D. to fill the newly created opening on the Board, effective September 9, 2026.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1422142/000119312526388010/0001193125-26-388010-index.htm

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