ALTERRA CAPITAL HOLDINGS Ltd

SEC insider activity covers quarterly filings through June 30, 2026. Later filings are not included. Reported roles do not establish current employment or current holdings. SEC filing documents, sections and filing-text search cover filings dated January 1, 2000 onward. Earlier filings are deferred until after launch.

organization

SEC Insider

$282.8M

769 transactions

Summary

ALTERRA CAPITAL HOLDINGS Ltd is an organization.

Recent Insider Transactions

As filed, including amendments; not net cash flow or current holdings. Joint reports count once. Totals cover known values only.

Buys: $1.0MSales: $149.9M47 insiders

Date	Insider	Type	Value
2013-05-01	NEWHOUSE STEPHAN F	F	$955K
2013-05-01	NEWHOUSE STEPHAN F	M	$955K
2013-05-01	Cook D. Andrew(EVP, Business Development)	F	$479K
2013-05-01	Cook D. Andrew(EVP, Business Development)	M	$0
2013-05-01	Cook D. Andrew(EVP, Business Development)	D	—
2013-05-01	Cook D. Andrew(EVP, Business Development)	D	—
2013-05-01	Cook D. Andrew(EVP, Business Development)	D	—
2013-05-01	BECKER W MARSTON(Chief Executive Officer)	D	—
2013-05-01	BECKER W MARSTON(Chief Executive Officer)	D	—
2013-05-01	BECKER W MARSTON(Chief Executive Officer)	D	—
2013-05-01	BECKER W MARSTON(Chief Executive Officer)	D	—
2013-05-01	BECKER W MARSTON(Chief Executive Officer)	D	—
2013-05-01	BECKER W MARSTON(Chief Executive Officer)	D	—
2013-05-01	BECKER W MARSTON(Chief Executive Officer)	D	—
2013-05-01	BECKER W MARSTON(Chief Executive Officer)	D	—
2013-05-01	HARTZBAND MERYL D	M	—
2013-05-01	HARTZBAND MERYL D	D	—
2013-05-01	HARTZBAND MERYL D	D	—
2013-05-01	NEWHOUSE STEPHAN F	M	$0
2013-05-01	NEWHOUSE STEPHAN F	D	—

SEC filings: SEC EDGAR

Activity data: SEC EDGAR

ALTERRA CAPITAL HOLDINGS Ltd — Contributions, Lobbying & Contracts | Poliscope