---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-21-121662"
form_type: "8-K"
ticker: "MXCT"
cik: "0001287098"
company_name: "MAXCYTE, INC."
filed_at: "2021-10-01T23:59:59+00:00"
generated_at: "2026-06-28T23:48:43.212997+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# MaxCyte Chairman Dr. Thompson not standing for re-election at Oct 29 meeting

## Summary
- Dr. J. Stark Thompson will not stand for re-election at the Annual Meeting on October 29, 2021.
- He will serve as director and Chairman until the meeting; decision not related to any disagreement.
- After meeting, board size will be eight members; a new Chairman will be appointed.
- Thompson will continue as a consultant; his outstanding stock options will continue to vest.

## SEC filing metadata
- accession: 0001104659-21-121662
- form_type: 8-K
- ticker: MXCT
- cik: 0001287098
- company_name: MAXCYTE, INC.
- filed_at: 2021-10-01T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1287098/000110465921121662/0001104659-21-121662-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1287098/000110465921121662/tm2128927d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-21-121662
- JSON: https://secwatch.observer/filing/0001104659-21-121662.json
- Plain text: https://secwatch.observer/filing/0001104659-21-121662.txt

## Key facts
- Executive change
  J. Stark Thompson departed as Chairman of the Board and Director at MAXCYTE, INC..
  - Action: will not stand for re-election
  - Role: Chairman of the Board and Director
  source text: On September 30, 2021, Dr. J. Stark Thompson notified the board of directors (the “ Board ”) of MaxCyte, Inc. (the “ Company ”) that he will not stand for re-election at the Annual Meeting of Stockholders to be held on October 29, 2021 (the “ Annual Meeting ”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1287098/000110465921121662/0001104659-21-121662-index.htm

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