---
schema_version: "secwatch.filing_event.v1"
accession: "0001422930-23-000042"
form_type: "8-K"
ticker: "PUBM"
cik: "0001422930"
company_name: "PubMatic, Inc."
filed_at: "2023-08-30T23:59:59+00:00"
generated_at: "2026-06-11T01:53:51.209590+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# PubMatic appoints two new independent directors; Cathie Black retires from board

## Summary
- Cathie Black resigned from board effective Aug 30, 2023, not due to any disagreement.
- Anton Hanebrink (Intuit EVP) and Nick Mehta (Gainsight CEO) appointed to board.
- Hanebrink joins Audit Committee; Mehta joins Compensation Committee.
- Appointments effective immediately, terms expire at 2024 annual meeting.

## SEC filing metadata
- accession: 0001422930-23-000042
- form_type: 8-K
- ticker: PUBM
- cik: 0001422930
- company_name: PubMatic, Inc.
- filed_at: 2023-08-30T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 5.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1422930/000142293023000042/0001422930-23-000042-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1422930/000142293023000042/pubm-20230828.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001422930-23-000042
- JSON: https://secwatch.observer/filing/0001422930-23-000042.json
- Plain text: https://secwatch.observer/filing/0001422930-23-000042.txt

## Key facts
- Executive change
  Cathleen Black resigned as Director at PubMatic, Inc..
  - Action: resigned
  - Role: Director
  source text: On August 28, 2023, Cathleen Black notified PubMatic, Inc. (the “ Company ”) of her decision to resign from the Company’s Board of Directors (the “ Board ”), including from the Compensation Committee of the Board (the “ Compensation Committee ”) and from the Audit Committee of the Board (the “ Audit Committee ”), effective August 30, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1422930/000142293023000042/0001422930-23-000042-index.htm
- Executive change
  Anton Hanebrink was appointed as Director at PubMatic, Inc..
  - Action: appointed
  - Role: Director
  source text: On August 30, 2023, upon the recommendation of the Nominating and Governance Committee of the Board, the Board approved the appointment of Anton Hanebrink (“ Mr. Hanebrink ”) and Nikhil “Nick” Mehta (“ Mr. Mehta ” and together with Mr. Hanebrink, the “ Appointed Directors ”) to the Board effective immediately, to serve until their respective successors are duly elected and qualified, or until death, resignation or removal.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1422930/000142293023000042/0001422930-23-000042-index.htm
- Executive change
  Nikhil "Nick" Mehta was appointed as Director at PubMatic, Inc..
  - Action: appointed
  - Role: Director
  source text: On August 30, 2023, upon the recommendation of the Nominating and Governance Committee of the Board, the Board approved the appointment of Anton Hanebrink (“ Mr. Hanebrink ”) and Nikhil “Nick” Mehta (“ Mr. Mehta ” and together with Mr. Hanebrink, the “ Appointed Directors ”) to the Board effective immediately, to serve until their respective successors are duly elected and qualified, or until death, resignation or removal.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1422930/000142293023000042/0001422930-23-000042-index.htm

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