---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-26-035537"
form_type: "8-K"
ticker: "APGE"
cik: "0001974640"
company_name: "Apogee Therapeutics, Inc."
filed_at: "2026-09-03T12:53:40+00:00"
generated_at: "2026-09-03T12:55:22.662042+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 1.0
calibrated_materiality_score: 1.0
confidence: "high"
source: SEC EDGAR
---

# Apogee completes $10.9B acquisition by AbbVie; shareholders get $135.11/share

## Summary
- Merger completed Sept 3, 2026; each share converted to $135.11 cash, total equity value ~$10.9B.
- Company to delist from Nasdaq; trading suspended Sept 4, 2026, Form 25 to be filed.
- All directors resigned; new directors from Merger Sub appointed; execs stepped down.
- Parachute payment agreements with named execs, capped at $12.5M aggregate for 280G gross-ups.
- 2023 Equity Incentive Plan and ESPP terminated effective at close.

## SEC filing metadata
- accession: 0001140361-26-035537
- form_type: 8-K
- ticker: APGE
- cik: 0001974640
- company_name: Apogee Therapeutics, Inc.
- filed_at: 2026-09-03T12:53:40+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 1.0
- calibrated_materiality_score: 1.0
- confidence: high
- sec_items: 1.02, 2.01, 3.01, 3.03, 5.01, 5.02, 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1974640/000114036126035537/0001140361-26-035537-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1974640/000114036126035537/ef20081397_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-26-035537
- JSON: https://secwatch.observer/filing/0001140361-26-035537.json
- Plain text: https://secwatch.observer/filing/0001140361-26-035537.txt

## Key facts
- Executive change
  Lisa Bollinger resigned as Director at Apogee Therapeutics, Inc..
  - Action: resigned
  - Role: Director
  source text: all of the Company’s directors (Michael Henderson, M.D., Mark C. McKenna, Lisa Bollinger, M.D., Jennifer Fox, William (BJ) Jones, Jr., Tomas Kiselak and Nimish Shah) voluntarily resigned from the Company’s board of directors
  evidence_url: https://www.sec.gov/Archives/edgar/data/1974640/000114036126035537/0001140361-26-035537-index.htm
- Executive change
  Mark C. McKenna resigned as Director at Apogee Therapeutics, Inc..
  - Action: resigned
  - Role: Director
  source text: all of the Company’s directors (Michael Henderson, M.D., Mark C. McKenna, Lisa Bollinger, M.D., Jennifer Fox, William (BJ) Jones, Jr., Tomas Kiselak and Nimish Shah) voluntarily resigned from the Company’s board of directors
  evidence_url: https://www.sec.gov/Archives/edgar/data/1974640/000114036126035537/0001140361-26-035537-index.htm
- Executive change
  Tomas Kiselak resigned as Director at Apogee Therapeutics, Inc..
  - Action: resigned
  - Role: Director
  source text: all of the Company’s directors (Michael Henderson, M.D., Mark C. McKenna, Lisa Bollinger, M.D., Jennifer Fox, William (BJ) Jones, Jr., Tomas Kiselak and Nimish Shah) voluntarily resigned from the Company’s board of directors
  evidence_url: https://www.sec.gov/Archives/edgar/data/1974640/000114036126035537/0001140361-26-035537-index.htm
- Executive change
  Jennifer Fox resigned as Director at Apogee Therapeutics, Inc..
  - Action: resigned
  - Role: Director
  source text: all of the Company’s directors (Michael Henderson, M.D., Mark C. McKenna, Lisa Bollinger, M.D., Jennifer Fox, William (BJ) Jones, Jr., Tomas Kiselak and Nimish Shah) voluntarily resigned from the Company’s board of directors
  evidence_url: https://www.sec.gov/Archives/edgar/data/1974640/000114036126035537/0001140361-26-035537-index.htm
- Executive change
  Michael Henderson resigned as Director at Apogee Therapeutics, Inc..
  - Action: resigned
  - Role: Director
  source text: all of the Company’s directors (Michael Henderson, M.D., Mark C. McKenna, Lisa Bollinger, M.D., Jennifer Fox, William (BJ) Jones, Jr., Tomas Kiselak and Nimish Shah) voluntarily resigned from the Company’s board of directors
  evidence_url: https://www.sec.gov/Archives/edgar/data/1974640/000114036126035537/0001140361-26-035537-index.htm
- Executive change
  William (BJ) Jones resigned as Director at Apogee Therapeutics, Inc..
  - Action: resigned
  - Role: Director
  source text: all of the Company’s directors (Michael Henderson, M.D., Mark C. McKenna, Lisa Bollinger, M.D., Jennifer Fox, William (BJ) Jones, Jr., Tomas Kiselak and Nimish Shah) voluntarily resigned from the Company’s board of directors
  evidence_url: https://www.sec.gov/Archives/edgar/data/1974640/000114036126035537/0001140361-26-035537-index.htm
- Executive change
  Nimish Shah resigned as Director at Apogee Therapeutics, Inc..
  - Action: resigned
  - Role: Director
  source text: all of the Company’s directors (Michael Henderson, M.D., Mark C. McKenna, Lisa Bollinger, M.D., Jennifer Fox, William (BJ) Jones, Jr., Tomas Kiselak and Nimish Shah) voluntarily resigned from the Company’s board of directors
  evidence_url: https://www.sec.gov/Archives/edgar/data/1974640/000114036126035537/0001140361-26-035537-index.htm

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