WRB Insider Trading Activity and SEC Form 4 Filings
Trump's trades in WRB
From his financial disclosures
$301K+
3 purchases
$265K+
2 sales
Purchase
May 18, 2026
Reported 44d later
$50K - $100K
Purchase
Apr 17, 2026
Reported 75d later
$250K - $500K
Purchase
Apr 17, 2026
Reported 75d later
$1K - $15K
Sale
Feb 10, 2026
Reported 93d later
$250K - $500K
Sale
Jan 12, 2026
Reported 122d later
$15K - $50K
Many orders in these accounts are placed by the account manager.
WRB insider trading summary
Over the past 12 months, insiders at Berkley W R Corp (WRB) reported 158 open-market purchases worth $1.18B by 2 insiders and no sales on SEC Form 4. Net insider buying was $1.18B.
Latest WRB insider buys and sells
| Date | Insider | Role | Type | Value |
|---|---|---|---|---|
| Feb 27, 2026 | Mitsui Sumitomo Insurance Co Ltd | Insider | Buy | $10.5M (147,000 @ $71.63) |
| Feb 27, 2026 | MS&AD Insurance Group Holdings, Inc. | Insider | Buy | $10.5M (147,000 @ $71.63) |
| Feb 26, 2026 | Mitsui Sumitomo Insurance Co Ltd | Insider | Buy | $10.4M (145,491 @ $71.65) |
| Feb 26, 2026 | Mitsui Sumitomo Insurance Co Ltd | Insider | Buy | $542K (7,509 @ $72.11) |
| Feb 26, 2026 | MS&AD Insurance Group Holdings, Inc. | Insider | Buy | $10.4M (145,491 @ $71.65) |
| Feb 26, 2026 | MS&AD Insurance Group Holdings, Inc. | Insider | Buy | $542K (7,509 @ $72.11) |
| Feb 25, 2026 | Mitsui Sumitomo Insurance Co Ltd | Insider | Buy | $1.0M (14,356 @ $71.77) |
| Feb 25, 2026 | MS&AD Insurance Group Holdings, Inc. | Insider | Buy | $1.0M (14,356 @ $71.77) |
| Feb 25, 2026 | MS&AD Insurance Group Holdings, Inc. | Insider | Buy | $11.0M (154,512 @ $71.39) |
| Feb 25, 2026 | Mitsui Sumitomo Insurance Co Ltd | Insider | Buy | $11.0M (154,512 @ $71.39) |
Source: SEC Form 4 filings. Open-market purchases (code P) and sales (code S) only; option exercises, grants and gifts are excluded.