W. R. Berkley Corporation
WRBLast close · Oct 16, 202675.42+1.45 (+1.96%)
Market cap$28.0B
Between Feb 12, 2026 and Aug 3, 2026, W. R. Berkley (WRB) insiders filed 40 Form 4 transactions: no sale and 22 open-market purchases worth $158.0M. 18 other filings were grants, exercises or gifts, which say nothing about buying or selling.
40
22
0
22
Form 4 transactions
| Date | Insider | Title | Code | Plan | Shares | Price | Value |
|---|---|---|---|---|---|---|---|
| 2026-08-03 | Welt Philip S | EVP & Secretary | A | 14,086 | 0.00 | $0 | |
| 2026-08-03 | Welt Philip S | EVP & Secretary | F | 592 | 72.29 | $42,794.2 | |
| 2026-08-03 | Baio Richard Mark | EVP & CFO | A | 14,086 | 0.00 | $0 | |
| 2026-08-03 | Baio Richard Mark | EVP & CFO | F | 650 | 72.29 | $46,986.9 | |
| 2026-08-03 | BERKLEY WILLIAM R JR | Chairman, President and CEO | A | 98,593 | 0.00 | $0 | |
| 2026-08-03 | BERKLEY WILLIAM R JR | Chairman, President and CEO | F | 4,139 | 72.29 | $299,198 | |
| 2026-08-03 | SHIEL JAMES G | EVP - Investments | A | 14,086 | 0.00 | $0 | |
| 2026-08-03 | SHIEL JAMES G | EVP - Investments | F | 650 | 72.29 | $46,986.9 | |
| 2026-06-03 | BERKLEY WILLIAM R | Executive Chairman | A | 3,090 | 0.00 | $0 | |
| 2026-06-03 | Ferre Maria Luisa | Director | A | 3,090 | 0.00 | $0 | |
| 2026-06-03 | Mattson Marie Angela | Director | A | 3,090 | 0.00 | $0 | |
| 2026-06-03 | BERKLEY WILLIAM R JR | President and CEO | A | 3,090 | 0.00 | $0 | |
| 2026-06-03 | Mosley Daniel Lynn | Director | A | 3,090 | 0.00 | $0 | |
| 2026-06-03 | Farrell Mary C | Director | A | 3,090 | 0.00 | $0 | |
| 2026-06-03 | Rusbuldt Robert Alan | Director | A | 3,090 | 0.00 | $0 | |
| 2026-06-03 | Augostini Christopher L | Director | A | 3,090 | 0.00 | $0 | |
| 2026-06-03 | BLAYLOCK RONALD E | Director | A | 3,090 | 0.00 | $0 | |
| 2026-06-03 | Talisman Jonathan | Director | A | 3,090 | 0.00 | $0 | |
| 2026-03-02 | MITSUI SUMITOMO INSURANCE CO LTD, MS&AD Insurance Group Holdings, Inc. | 10% Owner | P | 10b5-1 | 45,103 | 72.29 | $3.3M |
| 2026-03-02 | MITSUI SUMITOMO INSURANCE CO LTD, MS&AD Insurance Group Holdings, Inc. | 10% Owner | P | 10b5-1 | 100,897 | 73.20 | $7.4M |
| 2026-03-03 | MITSUI SUMITOMO INSURANCE CO LTD, MS&AD Insurance Group Holdings, Inc. | 10% Owner | P | 10b5-1 | 38,991 | 71.60 | $2.8M |
| 2026-03-03 | MITSUI SUMITOMO INSURANCE CO LTD, MS&AD Insurance Group Holdings, Inc. | 10% Owner | P | 10b5-1 | 73,185 | 72.52 | $5.3M |
| 2026-02-26 | MITSUI SUMITOMO INSURANCE CO LTD, MS&AD Insurance Group Holdings, Inc. | 10% Owner | P | 10b5-1 | 145,491 | 71.65 | $10.4M |
| 2026-02-26 | MITSUI SUMITOMO INSURANCE CO LTD, MS&AD Insurance Group Holdings, Inc. | 10% Owner | P | 10b5-1 | 7,509 | 72.11 | $541,504 |
| 2026-02-27 | MITSUI SUMITOMO INSURANCE CO LTD, MS&AD Insurance Group Holdings, Inc. | 10% Owner | P | 10b5-1 | 147,000 | 71.63 | $10.5M |
| 2026-02-23 | MITSUI SUMITOMO INSURANCE CO LTD, MS&AD Insurance Group Holdings, Inc. | 10% Owner | P | 10b5-1 | 203,590 | 71.09 | $14.5M |
| 2026-02-23 | MITSUI SUMITOMO INSURANCE CO LTD, MS&AD Insurance Group Holdings, Inc. | 10% Owner | P | 10b5-1 | 16,410 | 71.80 | $1.2M |
| 2026-02-24 | MITSUI SUMITOMO INSURANCE CO LTD, MS&AD Insurance Group Holdings, Inc. | 10% Owner | P | 10b5-1 | 103,192 | 70.52 | $7.3M |
| 2026-02-24 | MITSUI SUMITOMO INSURANCE CO LTD, MS&AD Insurance Group Holdings, Inc. | 10% Owner | P | 10b5-1 | 61,594 | 71.28 | $4.4M |
| 2026-02-25 | MITSUI SUMITOMO INSURANCE CO LTD, MS&AD Insurance Group Holdings, Inc. | 10% Owner | P | 10b5-1 | 154,512 | 71.39 | $11.0M |
| 2026-02-25 | MITSUI SUMITOMO INSURANCE CO LTD, MS&AD Insurance Group Holdings, Inc. | 10% Owner | P | 10b5-1 | 14,356 | 71.77 | $1.0M |
| 2026-02-19 | MITSUI SUMITOMO INSURANCE CO LTD, MS&AD Insurance Group Holdings, Inc. | 10% Owner | P | 10b5-1 | 300,986 | 70.53 | $21.2M |
| 2026-02-19 | MITSUI SUMITOMO INSURANCE CO LTD, MS&AD Insurance Group Holdings, Inc. | 10% Owner | P | 10b5-1 | 44,014 | 71.50 | $3.1M |
| 2026-02-20 | MITSUI SUMITOMO INSURANCE CO LTD, MS&AD Insurance Group Holdings, Inc. | 10% Owner | P | 10b5-1 | 160,582 | 70.80 | $11.4M |
| 2026-02-17 | MITSUI SUMITOMO INSURANCE CO LTD, MS&AD Insurance Group Holdings, Inc. | 10% Owner | P | 10b5-1 | 281,386 | 71.19 | $20.0M |
| 2026-02-18 | MITSUI SUMITOMO INSURANCE CO LTD, MS&AD Insurance Group Holdings, Inc. | 10% Owner | P | 10b5-1 | 239,750 | 70.58 | $16.9M |
| 2026-02-18 | MITSUI SUMITOMO INSURANCE CO LTD, MS&AD Insurance Group Holdings, Inc. | 10% Owner | P | 10b5-1 | 45,250 | 70.96 | $3.2M |
| 2026-02-12 | MITSUI SUMITOMO INSURANCE CO LTD, MS&AD Insurance Group Holdings, Inc. | 10% Owner | P | 10b5-1 | 17,599 | 71.88 | $1.3M |
| 2026-02-12 | MITSUI SUMITOMO INSURANCE CO LTD, MS&AD Insurance Group Holdings, Inc. | 10% Owner | P | 10b5-1 | 2,401 | 72.76 | $174,690.3 |
| 2026-02-13 | MITSUI SUMITOMO INSURANCE CO LTD, MS&AD Insurance Group Holdings, Inc. | 10% Owner | P | 10b5-1 | 15,406 | 69.73 | $1.1M |
Codes are the SEC's: P open-market purchase, S open-market sale; M exercise, F tax withholding, A grant and G gift are routine. A 10b5-1 flag means the trade ran under a plan adopted in advance. Method notes in where the numbers come from.