Activist stake
15.7%Stake · was 14.9%
An amended Schedule 13D: the activist holder's stake changed by at least half a point.
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Traded Feb 11, 2026 · Filed Feb 12, 2026
A big owner of W. R. Berkley Corporation spent $646K of their very own money to buy W. R. Berkley Corporation shares.
Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell
open market purchase
Code P — open-market or private purchase
~$646,400
Shares × reported transaction price
$500K–$1M
First purchase in 0 months
Confirmed open-market purchases by the same insider in the available history
No
Compared with 67 earlier confirmed purchases
No other insider purchases within 30 days
Distinct insiders at the same issuer with confirmed open-market purchases
16 days after results of Jan 26, 2026, 69 days before results of Apr 21, 2026
Results dates are the company's own 8-K (Item 2.02). Many companies only let insiders trade in a window after results
Closed at $71.54 on Feb 11, 2026, 19% above its 52-week low and 9% below its high, after a 1% rise over the previous 30 trading days
52-week range $60.35 (Feb 14, 2025) to $78.46 (Oct 14, 2025), 62% of the way up, from 251 adjusted closes. 30 trading days earlier: $70.79 on Dec 29, 2025. Describes the past only, not a forecast
None found in footnotes
Only flagged when a footnote says so; never inferred
| After | Stock | S&P 500 | Difference |
|---|---|---|---|
| 7 days | -1.8% | +0.5% | -2.3% |
| 30 days | -4.3% | -1.8% | -2.5% |
| 90 days | -8.7% | +9.0% | -17.6% |
| 180 days | -2.2% | +13.1% | -15.3% |
Past results only. Not a forecast.
An amended Schedule 13D: the activist holder's stake changed by at least half a point.
58.5M → 58.6M shares held
A big owner of W. R. Berkley Corporation spent $3.26M of their very own money to buy W. R. Berkley Corporation shares.
58.6M → 58.7M shares held
A big owner of W. R. Berkley Corporation spent $7.39M of their very own money to buy W. R. Berkley Corporation shares.
MITSUI SUMITOMO INSURANCE CO LTD, 10% owner's past purchases, 90 days after disclosure: 20 buys, median -6.1% vs S&P 500, beat it 1 of 20 times. Past results, not a forecast.
