MS&AD Insurance Group Holdings, Inc.

10% Owner · BERKLEY W R CORP

Every open-market stock purchase MS&AD Insurance Group Holdings, Inc. has reported to the SEC on Form 4 that met our signal bar, parsed straight from the filings. Insiders sell for many reasons, but they buy with their own money for one — this page tracks where those buys landed inside insider clusters and how the prices paid compare to where the stock trades now.

Total bought
$372.7M
Open-market buys
50
Companies
1
Last buy
Feb 25, 2026

Where the buys stand today

  • WRB
    BERKLEY W R CORP
    +3.0% vs price paid

    50 purchases totalling $372.7M at an average of $68.88 per share; the stock last traded at $70.92. See all insider buying in WRB

    Avg price paid
    $68.88
    Latest price
    $70.92
    Market cap
    $27.6B

Cluster participation

Buys that landed within days of other insiders buying the same stock — the pattern this site exists to catch.

All reported buys

DateTickerSharesPriceValueFiling
Feb 25, 2026
WRBcluster
154,512$71.39$11.0MSEC ↗
Feb 25, 2026
WRBcluster
14,356$71.77$1.0MSEC ↗
Feb 24, 2026
WRBcluster
61,594$71.28$4.4MSEC ↗
Feb 24, 2026
WRBcluster
103,192$70.52$7.3MSEC ↗
Feb 23, 2026
WRBcluster
203,590$71.09$14.5MSEC ↗
Feb 23, 2026
WRBcluster
16,410$71.80$1.2MSEC ↗
Feb 20, 2026
WRBcluster
160,582$70.80$11.4MSEC ↗
Feb 19, 2026
WRBcluster
300,986$70.53$21.2MSEC ↗
Feb 19, 2026
WRBcluster
44,014$71.50$3.1MSEC ↗
Feb 13, 2026
WRBcluster
4,314$70.30$303.3KSEC ↗
Feb 13, 2026
WRBcluster
15,406$69.73$1.1MSEC ↗
Feb 12, 2026
WRBcluster
17,599$71.88$1.3MSEC ↗
Feb 12, 2026
WRBcluster
2,401$72.76$174.7KSEC ↗
Feb 11, 2026
WRBcluster
9,289$69.59$646.4KSEC ↗
Feb 11, 2026
WRBcluster
3,578$70.50$252.2KSEC ↗
Feb 11, 2026
WRBcluster
11,163$71.45$797.6KSEC ↗
Feb 10, 2026
WRBcluster
12,082$69.92$844.8KSEC ↗
Feb 10, 2026
WRBcluster
21,884$69.09$1.5MSEC ↗
Feb 9, 2026
WRBcluster
35,952$69.27$2.5MSEC ↗
Feb 9, 2026
WRBcluster
4,048$70.32$284.7KSEC ↗
Feb 6, 2026
WRBcluster
15,694$70.46$1.1MSEC ↗
Feb 6, 2026
WRBcluster
4,306$71.39$307.4KSEC ↗
Feb 5, 2026
WRBcluster
13,472$71.25$959.9KSEC ↗
Feb 5, 2026
WRBcluster
6,528$70.79$462.1KSEC ↗
Jan 28, 2026
WRBcluster
280,354$67.58$18.9MSEC ↗
Jan 28, 2026
WRBcluster
28,577$67.89$1.9MSEC ↗
Jan 27, 2026
WRBcluster
8,582$68.56$588.4KSEC ↗
Jan 27, 2026
WRBcluster
11,987$66.87$801.6KSEC ↗
Jan 27, 2026
WRBcluster
325,960$67.40$22.0MSEC ↗
Jan 27, 2026
WRBcluster
2,671$69.04$184.4KSEC ↗
Jan 26, 2026
WRBcluster
76,389$67.88$5.2MSEC ↗
Jan 26, 2026
WRBcluster
293,611$66.86$19.6MSEC ↗
Jan 23, 2026
WRBcluster
166,919$67.18$11.2MSEC ↗
Jan 23, 2026
WRBcluster
201,081$66.77$13.4MSEC ↗
Jan 22, 2026
WRBcluster
330,000$67.45$22.3MSEC ↗
Jan 21, 2026
WRBcluster
260,998$67.60$17.6MSEC ↗
Jan 21, 2026
WRBcluster
59,002$66.95$4.0MSEC ↗
Jan 20, 2026
WRBcluster
265,006$67.75$18.0MSEC ↗
Jan 20, 2026
WRBcluster
44,994$68.08$3.1MSEC ↗
Jan 16, 2026
WRBcluster
58,691$68.79$4.0MSEC ↗
Jan 16, 2026
WRBcluster
241,309$68.03$16.4MSEC ↗
Jan 15, 2026
WRBcluster
166,907$68.68$11.5MSEC ↗
Jan 15, 2026
WRBcluster
68,093$69.45$4.7MSEC ↗
Jan 2, 2026
WRBcluster
237,734$69.35$16.5MSEC ↗
Dec 31, 2025
WRBcluster
230,000$70.27$16.2MSEC ↗
Dec 30, 2025
WRBcluster
205,000$70.83$14.5MSEC ↗
Dec 22, 2025
WRBcluster
162,060$70.33$11.4MSEC ↗
Dec 22, 2025
WRBcluster
39,940$69.97$2.8MSEC ↗
Dec 19, 2025
WRBcluster
204,000$69.50$14.2MSEC ↗
Dec 18, 2025
WRBcluster
204,350$69.38$14.2MSEC ↗

Get alerted the next time MS&AD Insurance Group Holdings, Inc. — or any insider — buys

We watch every Form 4 as it hits SEC EDGAR and alert you when insiders cluster into the same stock.

About this data

Figures are parsed from MS&AD Insurance Group Holdings, Inc.'s Form 4 filings on SEC EDGAR (CIK 1431048) and cover open-market purchases (transaction code P) — grants, option exercises, and sales are excluded, which is why totals here can differ from raw filing counts. Every row links to its source document.

This page is informational and reflects public filing data. It is not investment advice.