| Oct 22, 2026 |
Gregory C ToczydlowskiEVP & President, Business Ins. |
Sold
|
34,771 |
$403.89 |
$14.0M |
Form 4 |
| Oct 22, 2026 |
Jeffrey P. KlenkEVP & Pres., Bond & Spec. Ins. |
Sold
|
9,016 |
$405.57 |
$3.7M |
Form 4 |
| Oct 22, 2026 |
David Donnay RowlandEVP & Co-Chief Invest. Officer |
Sold
|
5,000 |
$405.62 |
$2.0M |
Form 4 |
| Oct 21, 2026 |
Alan D SchnitzerChairman and CEO, Director |
Sold
|
88,900 |
$396.77 |
$35.3M |
Form 4 |
| Oct 21, 2026 |
Maria OlivoEVP, ERM & Chief Risk Officer |
Sold
|
15,100 |
$398.44 |
$6.0M |
Form 4 |
| Oct 20, 2026 |
Michael Frederick KleinEVP & President, Personal Ins. |
Sold
|
7,500 |
$392.79 |
$2.9M |
Form 4 |
| Aug 28, 2026 |
Maria OlivoEVP, ERM & Chief Risk Officer |
Sold
|
6,000 |
$369.86 |
$2.2M |
Form 4 |
| Jul 24, 2026 |
Diane KurtzmanEVP & Chief HR Officer |
Sold
|
4,164 |
$386.71 |
$1.6M |
Form 4 |
| Jul 24, 2026 |
Daniel Tei-Hwa YinEVP & Co-Chief Invest. Officer |
Sold
|
7,153 |
$387.00 |
$2.8M |
Form 4 |
| Jul 22, 2026 |
David Donnay RowlandEVP & Co-Chief Invest. Officer |
Sold
|
5,000 |
$371.69 |
$1.9M |
Form 4 |
| Jul 22, 2026 |
Andy F BessetteEVP and Chief Admin Officer |
Sold
|
3,000 |
$368.12 |
$1.1M |
Form 4 |
| Jul 22, 2026 |
Paul E. MunsonSVP & Corp. Controller |
Sold
|
1,525 |
$369.91 |
$0.6M |
Form 4 |
| Jul 21, 2026 |
Daniel S. FreyEVP & Chief Financial Officer |
Sold
|
14,037 |
$368.24 |
$5.2M |
Form 4 |
| Jul 21, 2026 |
Michael Frederick KleinEVP & President, Personal Ins. |
Sold
|
6,000 |
$366.09 |
$2.2M |
Form 4 |
| Jul 21, 2026 |
Mojgan M LefebvreEVP & Chief Tech & Ops Officer |
Sold
|
16,313 |
$368.38 |
$6.0M |
Form 4 |
| May 26, 2026 |
Michael Frederick KleinEVP & President, Personal Ins. |
Sold
|
10,000 |
$307.65 |
$3.1M |
Form 4 |
| May 22, 2026 |
Andy F BessetteEVP and Chief Admin Officer |
Sold
|
4,255 |
$308.11 |
$1.3M |
Form 4 |
| Apr 28, 2026 |
William H HeymanVice Chairman |
Sold
|
1,557 |
$310.64 |
$0.5M |
Form 4 |
| Apr 28, 2026 |
Avrohom J. KessVice Chmn. & Chief Legal Off. |
Sold
|
6,735 |
$308.78 |
$2.1M |
Form 4 |
| Apr 20, 2026 |
Diane KurtzmanEVP & Chief HR Officer |
Sold
|
2,867 |
$303.45 |
$0.9M |
Form 4 |
| Apr 20, 2026 |
Jeffrey P. KlenkEVP & Pres., Bond & Spec. Ins. |
Sold
|
6,414 |
$305.06 |
$2.0M |
Form 4 |
| Apr 20, 2026 |
Michael Frederick KleinEVP & President, Personal Ins. |
Sold
|
10,000 |
$303.77 |
$3.0M |
Form 4 |
| Feb 26, 2026 |
Maria OlivoEVP, ERM & Chief Risk Officer |
Sold
|
10,400 |
$306.60 |
$3.2M |
Form 4 |
| Feb 26, 2026 |
David Donnay RowlandEVP & Co-Chief Invest. Officer |
Sold
|
4,731 |
$308.52 |
$1.5M |
Form 4 |
| Feb 25, 2026 |
Paul E. MunsonSVP & Corp. Controller |
Sold
|
3,727 |
$306.04 |
$1.1M |
Form 4 |
| Feb 23, 2026 |
William H HeymanVice Chairman |
Sold
|
4,000 |
$307.44 |
$1.2M |
Form 4 |
| Feb 20, 2026 |
William H HeymanVice Chairman |
Sold
|
1,000 |
$304.00 |
$0.3M |
Form 4 |
| Feb 20, 2026 |
Avrohom J. KessVice Chmn & Chief Legal Off |
Sold
|
4,756 |
$300.44 |
$1.4M |
Form 4 |
| Feb 20, 2026 |
Gregory C ToczydlowskiEVP & President, Business Ins. |
Sold
|
12,200 |
$299.76 |
$3.7M |
Form 4 |
| Feb 20, 2026 |
Daniel S. FreyEVP & Chief Financial Officer |
Sold
|
8,000 |
$299.50 |
$2.4M |
Form 4 |
| Feb 19, 2026 |
Mojgan M LefebvreEVP & Chief Tech & Ops Officer |
Sold
|
5,827 |
$298.25 |
$1.7M |
Form 4 |
| Feb 17, 2026 |
Andy F BessetteEVP and Chief Admin Officer |
Sold
|
6,000 |
$297.66 |
$1.8M |
Form 4 |
| Feb 17, 2026 |
William H HeymanVice Chairman |
Sold
|
1,000 |
$300.00 |
$0.3M |
Form 4 |
| Feb 6, 2026 |
Maria OlivoEVP, ERM & Chief Risk Officer |
Sold
|
10,400 |
$300.75 |
$3.1M |
Form 4 |
| Feb 6, 2026 |
William H HeymanVice Chairman |
Sold
|
1,000 |
$303.00 |
$0.3M |
Form 4 |
| Feb 6, 2026 |
Michael Frederick KleinEVP & President, Personal Ins. |
Sold
|
10,000 |
$301.18 |
$3.0M |
Form 4 |
| Feb 5, 2026 |
William H HeymanVice Chairman |
Sold
|
5,000 |
$302.00 |
$1.5M |
Form 4 |
| Feb 4, 2026 |
Alan D SchnitzerChairman and CEO, Director |
Sold
|
55,733 |
$294.70 |
$16.4M |
Form 4 |
| Jan 23, 2026 |
Jeffrey P. KlenkEVP & Pres., Bond & Spec. Ins. |
Sold
|
16,712 |
$279.77 |
$4.7M |
Form 4 |
| Nov 26, 2025 |
Maria OlivoEVP, Strat Dev & Pres Intl |
Sold
|
8,920 |
$295.73 |
$2.6M |
Form 4 |
| Nov 25, 2025 |
William H HeymanVice Chairman |
Sold
|
4,000 |
$294.51 |
$1.2M |
Form 4 |
| Nov 24, 2025 |
Diane KurtzmanEVP & Chief HR Officer |
Sold
|
4,805 |
$290.00 |
$1.4M |
Form 4 |
| Nov 21, 2025 |
David Donnay RowlandEVP & Co-Chief Invest. Officer |
Sold
|
5,000 |
$290.57 |
$1.5M |
Form 4 |
| Nov 21, 2025 |
William H HeymanVice Chairman |
Sold
|
2,000 |
$291.50 |
$0.6M |
Form 4 |
| Nov 13, 2025 |
William H HeymanVice Chairman |
Sold
|
1,803 |
$289.55 |
$0.5M |
Form 4 |
| Nov 12, 2025 |
William H HeymanVice Chairman |
Sold
|
2,000 |
$287.50 |
$0.6M |
Form 4 |
| Nov 11, 2025 |
William H HeymanVice Chairman |
Sold
|
4,000 |
$284.70 |
$1.1M |
Form 4 |
| Nov 10, 2025 |
William H HeymanVice Chairman |
Sold
|
2,000 |
$281.50 |
$0.6M |
Form 4 |
| Nov 7, 2025 |
William H HeymanVice Chairman |
Sold
|
1,000 |
$280.00 |
$0.3M |
Form 4 |
| Nov 6, 2025 |
Daniel S. FreyEVP & Chief Financial Officer |
Sold
|
25,000 |
$278.25 |
$7.0M |
Form 4 |
| Oct 28, 2025 |
Michael Frederick KleinEVP & President, Personal Ins. |
Sold
|
8,572 |
$270.73 |
$2.3M |
Form 4 |