---
schema_version: "secwatch.filing_event.v1"
accession: "0001493594-21-000069"
form_type: "8-K"
ticker: "MTSI"
cik: "0001493594"
company_name: "MACOM Technology Solutions Holdings, Inc."
filed_at: "2021-07-29T23:59:59+00:00"
generated_at: "2026-06-30T00:57:41.584315+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# MACOM Q3 revenue $152.6M (+11.2% YoY); adjusted EPS $0.57 beats prior year $0.33

## Summary
- GAAP net income $15.0M ($0.21 diluted EPS) vs. net loss of $25.0M a year ago.
- Adjusted gross margin improved to 60.3% from 55.5% YoY; adjusted operating margin 28.7%.
- Q4 guidance: revenue $153-157M, adjusted EPS $0.56-0.60 on ~71.3M diluted shares.
- CEO cites engineering excellence and execution for quarterly performance.

## SEC filing metadata
- accession: 0001493594-21-000069
- form_type: 8-K
- ticker: MTSI
- cik: 0001493594
- company_name: MACOM Technology Solutions Holdings, Inc.
- filed_at: 2021-07-29T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- 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/1493594/000149359421000069/0001493594-21-000069-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1493594/000149359421000069/mtsi-20210729.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493594-21-000069
- JSON: https://secwatch.observer/filing/0001493594-21-000069.json
- Plain text: https://secwatch.observer/filing/0001493594-21-000069.txt

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