---
schema_version: "secwatch.filing_event.v1"
accession: "0001493594-23-000076"
form_type: "8-K"
ticker: "MTSI"
cik: "0001493594"
company_name: "MACOM Technology Solutions Holdings, Inc."
filed_at: "2023-11-09T23:59:59+00:00"
generated_at: "2026-06-08T06:33:34.729187+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# MACOM Q4 revenue down 15.6% YoY to $150.4M; adj EPS $0.56 vs $0.77 last year

## Summary
- GAAP net income $24.5M ($0.34/diluted) vs $239.3M ($3.36) in prior-year Q4 which included a $202.8M tax benefit.
- FY2023 revenue $648.4M, down 4.0% YoY; adjusted gross margin 61.3% vs 62.0%.
- Adjusted Q4 operating margin 24.7% vs 32.0% a year ago; adjusted net income $40.1M ($0.56/diluted).
- Q1 FY2024 guidance: revenue $149-153M; adj gross margin 59-61%; adj EPS $0.55-0.59.
- CEO cites focus on highest frequency/power/data rate applications to strengthen position in FY2024.

## SEC filing metadata
- accession: 0001493594-23-000076
- form_type: 8-K
- ticker: MTSI
- cik: 0001493594
- company_name: MACOM Technology Solutions Holdings, Inc.
- filed_at: 2023-11-09T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1493594/000149359423000076/0001493594-23-000076-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1493594/000149359423000076/mtsi-20231109.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493594-23-000076
- JSON: https://secwatch.observer/filing/0001493594-23-000076.json
- Plain text: https://secwatch.observer/filing/0001493594-23-000076.txt

## Key facts
- Earnings Releases
  MACOM Technology Solutions Holdings, Inc. reported fiscal year ended September 29, 2023 results: revenue $648.4 million, net income $91.6 million, EPS $1.28 per diluted share.
  - Period: fiscal year ended September 29, 2023
  - Revenue: $648.4 million
  - Net income: $91.6 million
  - EPS: $1.28 per diluted share
  - Result: reported results
  source text: Revenue was $648.4 million, a decrease of 4.0%, compared to $675.2 million in fiscal year 2022;
  evidence_url: https://www.sec.gov/Archives/edgar/data/1493594/000149359423000076/0001493594-23-000076-index.htm
- Earnings Releases
  MACOM Technology Solutions Holdings, Inc. reported fiscal first quarter ending December 29, 2023 results: revenue $149 million to $153 million, EPS $0.55 to $0.59 per diluted share.
  - Period: fiscal first quarter ending December 29, 2023
  - Revenue: $149 million to $153 million
  - EPS: $0.55 to $0.59 per diluted share
  - Result: guidance update
  source text: For the fiscal first quarter ending December 29, 2023, MACOM expects revenue to be in the range of $149 million to $153 million. Adjusted gross margin is expected to be between 59% and 61%, and adjusted earnings per diluted share is expected to be between $0.55 and $0.59
  evidence_url: https://www.sec.gov/Archives/edgar/data/1493594/000149359423000076/0001493594-23-000076-index.htm
- Earnings Releases
  MACOM Technology Solutions Holdings, Inc. reported fiscal fourth quarter ended September 29, 2023 results: revenue $150.4 million, net income $24.5 million, EPS $0.34 per diluted share.
  - Period: fiscal fourth quarter ended September 29, 2023
  - Revenue: $150.4 million
  - Net income: $24.5 million
  - EPS: $0.34 per diluted share
  - Result: reported results
  source text: Revenue was $150.4 million, a decrease of 15.6%, compared to $178.1 million in the previous year fiscal fourth quarter and an increase of 1.2% compared to $148.5 million in the prior fiscal quarter;
  evidence_url: https://www.sec.gov/Archives/edgar/data/1493594/000149359423000076/0001493594-23-000076-index.htm
- Earnings Releases
  MACOM Technology Solutions Holdings, Inc. reported fiscal fourth quarter ended September 29, 2023 - Adjusted Non-GAAP results: revenue $150.4 million, net income $40.1 million, EPS $0.56 per diluted share.
  - Period: fiscal fourth quarter ended September 29, 2023 - Adjusted Non-GAAP
  - Revenue: $150.4 million
  - Net income: $40.1 million
  - EPS: $0.56 per diluted share
  - Result: reported results
  source text: t oday announced its financial results for its fiscal fourth quarter and fiscal year ended September 29, 2023. Fourth Quarter Fiscal Year 2023 GAAP Results • Revenue was $150.4 million, a decrease of 15.6%, compared to $178.1 million in the previous year fiscal fourth quarter and an increase of 1.2% compared to $148.5 million in the prior fiscal quarter; •
  evidence_url: https://www.sec.gov/Archives/edgar/data/1493594/000149359423000076/0001493594-23-000076-index.htm

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