---
schema_version: "secwatch.filing_event.v1"
accession: "0001422930-21-000047"
form_type: "8-K"
ticker: "PUBM"
cik: "0001422930"
company_name: "PubMatic, Inc."
filed_at: "2021-10-25T23:59:59+00:00"
generated_at: "2026-06-28T18:24:31.014264+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# PubMatic enters sublease for 34,229 sq ft in Redwood City with aggregate base rent ~$23M through 2028

## Summary
- Sublease with Chan Zuckerberg Initiative for office space at 601 Marshall Street, Redwood City, CA.
- Sublease term commences 60 days after landlord consent, ends March 31, 2028.
- Aggregate base rent approximately $23 million over the term.
- Company must provide initial letter of credit of $3,453,706, subject to reduction.
- Space will support G&A, sales, marketing, tech, engineering, and customer support.

## SEC filing metadata
- accession: 0001422930-21-000047
- form_type: 8-K
- ticker: PUBM
- cik: 0001422930
- company_name: PubMatic, Inc.
- filed_at: 2021-10-25T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 1.01, 2.03
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1422930/000142293021000047/0001422930-21-000047-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1422930/000142293021000047/pubm-20211020.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001422930-21-000047
- JSON: https://secwatch.observer/filing/0001422930-21-000047.json
- Plain text: https://secwatch.observer/filing/0001422930-21-000047.txt

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