secwatch / observer
PUBM PubMatic, Inc.
CIK 0001422930 38 ready 8-Ks latest August 6, 2026, 4:16 PM ET RSS · JSON
Activity: NORMAL 1 filings / 30d vs 1 baseline
Ready 8-Ks 38
Latest filing August 11, 2026, 6:40 PM ET
Top materiality 0.85
Event mix earnings ×22 · leadership ×6 · other_material ×5
Sentiment 16 pos · 6 neg · 16 neu
Latest earnings reported 2026-Q2
Executive change recent →

Recent 8-K filings for PUBM

Highest-materiality recent filing

PubMatic Q3 revenue $58.1M (+54% YoY); raises full-year 2021 outlook

November 9, 2021, 6:59 PM ET earnings materiality 0.85 positive item 2.02item 9.01

Read filing →

Executive changes

Appointed

Ramon Jones

Director
PUBM · PubMatic, Inc.
Effective
2023-12-12
Filed
December 12, 2023, 6:59 PM ET
the Board approved the appointment of Ramon Jones to the Board effective December 12, 2023
Departed

Cathleen Black

Director
PUBM · PubMatic, Inc.
Effective
2023-08-30
Filed
August 30, 2023, 7:59 PM ET
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.
Appointed

Anton Hanebrink

Director
PUBM · PubMatic, Inc.
Effective
2023-08-30
Filed
August 30, 2023, 7:59 PM ET
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.
Appointed

Nikhil "Nick" Mehta

Director
PUBM · PubMatic, Inc.
Effective
2023-08-30
Filed
August 30, 2023, 7:59 PM ET
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.
Departed

Michael Van Der Zweep

Controller
PUBM · PubMatic, Inc.
Successor
Lisa Gimbel
Filed
June 9, 2023, 7:59 PM ET
In connection with the appointment of Ms. Gimbel as the Company’s new CAO, on June 5, 2023, Michael Van Der Zweep, the Company’s Controller and now former principal accounting officer will serve as an advisor during Ms. Gimbel’s transition, after which Mr. Van Der Zweep plans on retiring.
Appointed

Lisa Gimbel

Chief Accounting Officer
PUBM · PubMatic, Inc.
Effective
2023-06-05
Filed
June 9, 2023, 7:59 PM ET
On June 5, 2023, PubMatic, Inc. (the “Company”) appointed Lisa Gimbel, age 42, as the Company’s Chief Accounting Officer (“CAO”) and principal accounting officer.
Departed

Jeffrey K. Hirsch

Chief Commercial Officer
PUBM · PubMatic, Inc.
Effective
2023-04-01
Filed
April 4, 2023, 7:59 PM ET
On March 29, 2023, PubMatic, Inc. (the “Company”) and Jeffrey K. Hirsch, the Company’s Chief Commercial Officer, agreed that effective April 1, 2023, Mr. Hirsch would transition into a new role as a strategic advisor to the Company and the Company’s Board of Directors through December 22, 2023.
Role change

Paulina Klimenko

Chief Growth Officer
PUBM · PubMatic, Inc.
Effective
2023-04-01
Filed
April 4, 2023, 7:59 PM ET
Upon Mr. Hirsch’s transition to strategic advisor, Paulina Klimenko will expand her role as the Company’s Chief Growth Officer to include the EMEA and APAC business streams.
Appointed

Shelagh Glaser

Director
PUBM · PubMatic, Inc.
Effective
2022-06-03
Filed
June 8, 2022, 7:59 PM ET
the Board approved the appointment of Shelagh Glaser (“ Ms. Glaser ”) and Jacob Shulman (“ Mr. Shulman ”) to the Board
Appointed

Jacob Shulman

Director
PUBM · PubMatic, Inc.
Effective
2022-06-03
Filed
June 8, 2022, 7:59 PM ET
the Board approved the appointment of Shelagh Glaser (“ Ms. Glaser ”) and Jacob Shulman (“ Mr. Shulman ”) to the Board

Earnings & guidance

2026-Q2 EPS reported -$0.29 filing →

Materiality & sentiment trend

Max materiality 0.85 · Median 0.70 · Most common event earnings

16 positive 6 negative 16 neutral

source · PUBM on sec.gov