---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-111638"
form_type: "8-K"
ticker: "TMC"
cik: "0001798562"
company_name: "TMC the metals Co Inc."
filed_at: "2026-09-29T12:48:39+00:00"
generated_at: "2026-10-12T13:43:50.362001+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# TMC adds ex-ExxonMobil Upstream president Liam Mallon to board; director Brendan May resigns

## Summary
- Liam Mallon, who retired in 2025 as President of ExxonMobil Upstream Company and VP of Exxon Mobil Corporation, joins TMC's board effective Sept 24, 2026.
- Mallon will chair the Board's Sustainability and Innovation Committee; he is deemed independent under Nasdaq listing standards.
- Brendan May resigned effective Sept 24, 2026 after two years; TMC said the resignation did not result from any disagreement over operations, policies or practices.
- Mallon received 25,445 RSUs on Sept 25, 2026 plus a one-time grant of 77,720 RSUs on Sept 28, 2026; both vest in three equal annual installments.
- Mallon spent 35 years at Mobil/ExxonMobil, overseeing $20-30B in annual capital deployment, the Guyana development and the $60 billion Pioneer Natural Resources acquisition.

## SEC filing metadata
- accession: 0001104659-26-111638
- form_type: 8-K
- ticker: TMC
- cik: 0001798562
- company_name: TMC the metals Co Inc.
- filed_at: 2026-09-29T12:48:39+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1798562/000110465926111638/0001104659-26-111638-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1798562/000110465926111638/tm2626232d2_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-111638
- JSON: https://secwatch.observer/filing/0001104659-26-111638.json
- Plain text: https://secwatch.observer/filing/0001104659-26-111638.txt

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