---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-22-007125"
form_type: "8-K"
ticker: "HYFM"
cik: "0001695295"
company_name: "HYDROFARM HOLDINGS GROUP, INC."
filed_at: "2022-03-24T23:59:59+00:00"
generated_at: "2026-06-26T18:32:57.150837+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Hydrofarm CAO Joseph Rumley resigns; Kevin O'Brien appointed as successor

## Summary
- Joseph Rumley resigned as Chief Accounting Officer effective March 21, 2022, by mutual agreement.
- Kevin O'Brien appointed CAO and principal accounting officer, reporting to CFO B. John Lindeman.
- O'Brien previously served as CAO at CPI Card Group Inc. since April 2018.
- O'Brien receives $300k base salary, up to 50% annual bonus, and $400k in restricted stock units.
- O'Brien has 20 years accounting experience, including Senior Audit Manager at Deloitte.

## SEC filing metadata
- accession: 0001628280-22-007125
- form_type: 8-K
- ticker: HYFM
- cik: 0001695295
- company_name: HYDROFARM HOLDINGS GROUP, INC.
- filed_at: 2022-03-24T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1695295/000162828022007125/0001628280-22-007125-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1695295/000162828022007125/hyfm-20220321.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-22-007125
- JSON: https://secwatch.observer/filing/0001628280-22-007125.json
- Plain text: https://secwatch.observer/filing/0001628280-22-007125.txt

## Key facts
- Executive change
  Joseph Rumley resigned as Chief Accounting Officer at HYDROFARM HOLDINGS GROUP, INC..
  - Action: resigned
  - Role: Chief Accounting Officer
  source text: On March 21, 2022, Hydrofarm Holdings Group, Inc. (the “Company”) and Mr. Joseph Rumley, the Company’s Chief Accounting Officer, mutually agreed to Mr. Rumley’s resignation as Chief Accounting Officer, effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1695295/000162828022007125/0001628280-22-007125-index.htm
- Executive change
  Kevin O'Brien was appointed as Chief Accounting Officer at HYDROFARM HOLDINGS GROUP, INC..
  - Action: appointed
  - Role: Chief Accounting Officer
  source text: On March 21, 2022, the Company appointed Mr. Kevin O’Brien, 42, as the Company’s Chief Accounting Officer, effective as of the same date.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1695295/000162828022007125/0001628280-22-007125-index.htm

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