---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-359163"
form_type: "8-K"
ticker: "SAM"
cik: "0000949870"
company_name: "BOSTON BEER CO INC"
filed_at: "2026-08-20T20:00:16+00:00"
generated_at: "2026-08-20T20:01:10.750730+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Boston Beer CFO Diego Reynoso steps down; Matthew Murphy named interim CFO

## Summary
- Diego Reynoso to step down as CFO & Treasurer; remains through Sept 30, 2026 for transition.
- Matthew Murphy named interim CFO & Treasurer effective Sept 15, 2026; also CAO & VP Finance.
- Murphy base salary $419,359.41 (unchanged); eligible for up to $700k interim transition bonus in 4 installments.
- Board launched search for permanent CFO; Murphy previously served as interim CFO from Mar-Sep 2023.

## SEC filing metadata
- accession: 0001193125-26-359163
- form_type: 8-K
- ticker: SAM
- cik: 0000949870
- company_name: BOSTON BEER CO INC
- filed_at: 2026-08-20T20:00:16+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/949870/000119312526359163/0001193125-26-359163-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/949870/000119312526359163/sam-20260817.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-359163
- JSON: https://secwatch.observer/filing/0001193125-26-359163.json
- Plain text: https://secwatch.observer/filing/0001193125-26-359163.txt

## Key facts
- Executive change
  Matthew D. Murphy was appointed as interim Treasurer and Chief Financial Officer at BOSTON BEER CO INC.
  - Action: appointed
  - Role: interim Treasurer and Chief Financial Officer
  source text: On August 20, 2026, the Company’s Board of Directors approved the appointment of Matthew D. Murphy, age 57, to serve as interim Treasurer and Chief Financial Officer, effective September 15, 2026, and until such time as the Company appoints Mr. Reynoso’s permanent successor.
  evidence_url: https://www.sec.gov/Archives/edgar/data/949870/000119312526359163/0001193125-26-359163-index.htm
- Executive change
  Diego Reynoso departed as Treasurer and Chief Financial Officer at BOSTON BEER CO INC.
  - Action: stepping down
  - Role: Treasurer and Chief Financial Officer
  source text: On August 17, 2026, Diego Reynoso informed the Company that he was stepping down as the Company’s Treasurer and Chief Financial Officer.
  evidence_url: https://www.sec.gov/Archives/edgar/data/949870/000119312526359163/0001193125-26-359163-index.htm

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