113 transactions on file (94 open-market purchases and 0 open-market sales).
| Date | Insider | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-08-03 | Welt Philip S EVP & Secretary Grant / award | Grant / award | +14,086 | $0.00 | +0 | 214,625 |
| 2026-08-03 | Welt Philip S EVP & Secretary Tax withholding | Tax withholding | −592 | $72.29 | −42.79K | 214,033 |
| 2026-08-03 | Baio Richard Mark EVP & CFO Grant / award | Grant / award | +14,086 | $0.00 | +0 | 228,261 |
| 2026-08-03 | Baio Richard Mark EVP & CFO Tax withholding | Tax withholding | −650 | $72.29 | −46.99K | 227,611 |
| 2026-08-03 | BERKLEY WILLIAM R JR Chairman, President and CEO · Director · 10% owner Grant / award | Grant / award | +98,593 | $0.00 | +0 | 4,654,453 |
108 more transactions are on Measure
Free, no card, and it does not expire. See what the paid plans add
| Insider | Role | On Sep 23, 2025 | Now | Change | Sold | Shape |
|---|---|---|---|---|---|---|
| MITSUI SUMITOMO INSURANCE CO LTD10% owner | 10% owner | 48,601,588 | 58,780,450 | +20.94% | - |
The assistant answers from what WRB.PG has actually filed: 18 annual reports filed with the SEC and 113 Form 4 filings from the last year. Every figure in a reply links to the filing it came from, so an answer can be checked rather than believed.
Press one and the answer appears right here on the page, from WRB.PG's filings and figures. One a day without an account; a free account has its own, and no card.
Get the next WRB.PG Form 4 in your inbox: a free account, no card, one email a day at most.
Ten seconds. No card. Nothing to cancel.
Source
From SEC Form 4 filings, filed within two business days of a transaction.
Past transactions say nothing about future ones, and none of this is investment advice.
What each insider held after every open-market trade, over the last twelve months.
Be told the next time a WRB.PG insider trades
Watch WRB.PG and every open-market Form 4 worth a row (a purchase, a senior officer's sale, anything at a million dollars) lands in the bell and a daily email, with the 10b5-1 word on it when the filing says so. Free.
See who bought, not who was handed shares
Every Form 4 WRB.PG insiders file, not just the latest handful, with vesting and tax withholding struck out so what's left reads as a decision.
Every filingMeasure
Follow the investors who hold it
Each stake priced at the quarter it was filed, and diffed against the quarter before: how big a bet it is for them, and by how much it moved.
Every position, sizedMeasure
Ask what a run of filings adds up to
Whether this is one decision or a pattern, and how it compares with WRB.PG's own history of insider activity.
Free, no card, and it does not expire.
The table above says who traded. This says what WRB.PG did over the following 30, 90 and 180 days after each open-market purchase and sale, from this company’s own record rather than a study about companies in general, and with the number of transactions shown beside every average.
Free, no card, and it does not expire. See what the paid plans add