Costanzo Brian J.
Chief Financial Officer
Costanzo Brian J. has filed 7 SEC Form 4 filings (8 transaction rows) across 1 company, with disclosures dating back to 2025. 7 of those filings fall inside the rolling window. Most recent filing: Jul 16, 2026.
Companies traded
Other insiders at MKL
No insider trading data found for Costanzo Brian J..
Frequently asked questions
How many SEC Form 4 filings has Costanzo Brian J. made?
Costanzo Brian J. has filed 7 SEC Form 4 filings (8 transaction rows) across 1 company since 2025.
Which companies does Costanzo Brian J. trade?
Costanzo Brian J. has filed SEC Form 4 disclosures for 1 company, including MKL.
When was Costanzo Brian J.'s most recent SEC Form 4 filing?
Costanzo Brian J.'s most recent SEC Form 4 filing on Tracefour is dated Jul 16, 2026.
What is Costanzo Brian J.'s job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Costanzo Brian J. is listed as Chief Financial Officer.