---
schema_version: "secwatch.filing_event.v1"
accession: "0001422930-22-000004"
form_type: "8-K"
ticker: "PUBM"
cik: "0001422930"
company_name: "PubMatic, Inc."
filed_at: "2022-02-28T23:59:59+00:00"
generated_at: "2026-06-27T03:32:10.648007+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# PubMatic Q4 revenue $75.6M (+34% YoY); FY2021 record $226.9M (+53%)

## Summary
- GAAP net income $28.2M ($0.50 diluted EPS) vs $18.8M ($0.34) in Q4 2020.
- Adjusted EBITDA margin 51% in Q4, 42% for full year; operating cash flow $88.7M (+264% YoY).
- Net dollar-based retention 149% for trailing twelve months ended Dec 31, 2021.
- Ended 2021 with $159.6M cash/marketable securities and zero debt.
- Non-GAAP net income $64.7M ($1.14 per diluted share) vs $29.7M ($0.53) in 2020.

## SEC filing metadata
- accession: 0001422930-22-000004
- form_type: 8-K
- ticker: PUBM
- cik: 0001422930
- company_name: PubMatic, Inc.
- filed_at: 2022-02-28T23:59:59+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/1422930/000142293022000004/0001422930-22-000004-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1422930/000142293022000004/pubm-20220228.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001422930-22-000004
- JSON: https://secwatch.observer/filing/0001422930-22-000004.json
- Plain text: https://secwatch.observer/filing/0001422930-22-000004.txt

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