Overview

Basic information

Litigation

Active legal matters

Material Events

8-K disclosures

SEC Filings

Key regulatory docs

Insider Transactions

Ownership changes

Overview

Basic information

Litigation

Active legal matters

Material Events

8-K disclosures

SEC Filings

Key regulatory docs

Insider Transactions

Ownership changes

Historical Insider Transactions

The table below lists insider purchases and sales reported by company officers, directors, and major shareholders during the last 12 months.

DATE

INSIDER

INSIDER TYPE SHARES PRICE

SHARES

PRICE

VALUE

Jul 30, 2025

Anderson Anthony

Anderson Anthony
Buy
500 $201.03

500

$201.03

$100,513

Jul 29, 2025

Anderson Anthony

Anderson Anthony
Buy
500 $202.20

500

$202.20

$101,100

Jun 02, 2025

Doyle John Q

Doyle John Q
President and CEO
Sell
21,080 $232.05

21,080

$232.05

$4,891,614

Apr 03, 2025

Beswick Paul

Beswick Paul
SVP, Chief Information Officer
Sell
2,237 $246.00

2,237

$246.00

$550,302

Mar 31, 2025

Klisura Dean Michael

Klisura Dean Michael
President & CEO, Guy Carpenter
Sell
9,569 $245.00

9,569

$245.00

$2,344,405

Mar 12, 2025

Studer Nicholas Mark

Studer Nicholas Mark
President and CEO of OWG
Sell
49,390 $230.16

49,390

$230.16

$11,367,746

Mar 10, 2025

MCGIVNEY MARK C

MCGIVNEY MARK C
CFO
Sell
10,510 $234.97

10,510

$234.97

$2,469,535

Mar 10, 2025

Mills Stacy

Mills Stacy
Vice President and Controller
Sell
1,317 $234.97

1,317

$234.97

$309,455

Mar 10, 2025

Klisura Dean Michael

Klisura Dean Michael
President & CEO, Guy Carpenter
Sell
7,121 $234.97

7,121

$234.97

$1,673,221

Mar 03, 2025

Doyle John Q

Doyle John Q
President and CEO
Sell
21,080 $237.05

21,080

$237.05

$4,997,014

Oct 31, 2024

FANJUL OSCAR

FANJUL OSCAR
Sell
2,500 $220.54

2,500

$220.54

$551,350

Oct 30, 2024

FANJUL OSCAR

FANJUL OSCAR
Sell
2,500 $221.55

2,500

$221.55

$553,875

Sep 05, 2024

Beswick Paul

Beswick Paul
SVP, Chief Information Officer
Sell
2,169 $232.00

2,169

$232.00

$503,208

Aug 22, 2024

MCGIVNEY MARK C

MCGIVNEY MARK C
CFO
Sell
50,928 $225.22

50,928

$225.22

$11,470,126

Aug 14, 2024

FANJUL OSCAR

FANJUL OSCAR
Sell
2,500 $219.33

2,500

$219.33

$548,328

Aug 05, 2024

MCGIVNEY MARK C

MCGIVNEY MARK C
CFO
Sell
5,200 $225.03

5,200

$225.03

$1,170,156

Aug 02, 2024

MCGIVNEY MARK C

MCGIVNEY MARK C
CFO
Sell
3,791 $225.77

3,791

$225.77

$855,880

Aug 02, 2024

MCGIVNEY MARK C

MCGIVNEY MARK C
CFO
Sell
6,074 $226.75

6,074

$226.75

$1,377,305

Aug 02, 2024

MCGIVNEY MARK C

MCGIVNEY MARK C
CFO
Sell
400 $227.31

400

$227.31

$90,923

Aug 02, 2024

Mills Stacy

Mills Stacy
Vice President and Controller
Sell
4,101 $225.77

4,101

$225.77

$925,883

Jul 16, 2024

Beswick Paul

Beswick Paul
SVP, Chief Information Officer
Sell
2,169 $220.00

2,169

$220.00

$477,180

Jun 13, 2024

FANJUL OSCAR

FANJUL OSCAR
Sell
3,000 $209.00

3,000

$209.00

$627,000

Jun 13, 2024

FANJUL OSCAR

FANJUL OSCAR
Sell
1,000 $209.01

1,000

$209.01

$209,010

Jun 13, 2024

FANJUL OSCAR

FANJUL OSCAR
Sell
2,000 $209.03

2,000

$209.03

$418,060

May 17, 2024

Beswick Paul

Beswick Paul
SVP, Chief Information Officer
Sell
2,169 $210.13

2,169

$210.13

$455,772

Mar 14, 2024

Mills Stacy

Mills Stacy
Vice President and Controller
Sell
1,461 $209.16

1,461

$209.16

$305,583

Mar 07, 2024

Jones John Jude

Jones John Jude
Chief Marketing Officer
Sell
1,505 $203.67

1,505

$203.67

$306,523

Mar 06, 2024

South Martin

South Martin
President & CEO, Marsh
Sell
3,066 $203.58

3,066

$203.58

$624,187

Mar 06, 2024

South Martin

South Martin
President & CEO, Marsh
Sell
11,619 $203.38

11,619

$203.38

$2,363,129

Mar 05, 2024

Ferland Martine

Ferland Martine
President and CEO, Mercer
Sell
9,128 $201.63

9,128

$201.63

$1,840,436

Mar 05, 2024

Beswick Paul

Beswick Paul
SVP, Chief Information Officer
Sell
1,000 $202.00

1,000

$202.00

$202,000

Mar 05, 2024

Beswick Paul

Beswick Paul
SVP, Chief Information Officer
Sell
1,169 $202.00

1,169

$202.00

$236,138

Mar 04, 2024

MCGIVNEY MARK C

MCGIVNEY MARK C
CFO
Sell
12,494 $200.79

12,494

$200.79

$2,508,670

Mar 04, 2024

Beswick Paul

Beswick Paul
SVP, Chief Information Officer
Sell
1,169 $200.79

1,169

$200.79

$234,724

Mar 04, 2024

Beswick Paul

Beswick Paul
SVP, Chief Information Officer
Sell
1,000 $200.79

1,000

$200.79

$200,790

Mar 04, 2024

Klisura Dean Michael

Klisura Dean Michael
President & CEO, Guy Carpenter
Sell
2,536 $200.79

2,536

$200.79

$509,203

Nov 28, 2023

FANJUL OSCAR

FANJUL OSCAR
Sell
5,000 $200.17

5,000

$200.17

$1,000,850

Nov 03, 2023

Jones John Jude

Jones John Jude
Chief Marketing Officer
Sell
4,908 $193.08

4,908

$193.08

$947,652

Aug 29, 2023

FANJUL OSCAR

FANJUL OSCAR
Sell
3,000 $194.90

3,000

$194.90

$584,700

Jul 26, 2023

Klisura Dean Michael

Klisura Dean Michael
President & CEO, Guy Carpenter
Sell
12,976 $192.20

12,976

$192.20

$2,494,013

Jun 29, 2023

MCGIVNEY MARK C

MCGIVNEY MARK C
CFO
Sell
70,106 $185.53

70,106

$185.53

$13,006,584

May 03, 2023

FANJUL OSCAR

FANJUL OSCAR
Sell
5,500 $179.72

5,500

$179.72

$988,460

Apr 25, 2023

FANJUL OSCAR

FANJUL OSCAR
Sell
5,500 $179.38

5,500

$179.38

$986,596

Mar 06, 2023

Klisura Dean Michael

Klisura Dean Michael
President & CEO, Guy Carpenter
Sell
3,140 $165.22

3,140

$165.22

$518,791

Mar 03, 2023

MCGIVNEY MARK C

MCGIVNEY MARK C
CFO
Sell
11,531 $162.41

11,531

$162.41

$1,872,750

Mar 03, 2023

Mills Stacy

Mills Stacy
Vice President and Controller
Sell
1,276 $162.41

1,276

$162.41

$207,235

Feb 08, 2023

FANJUL OSCAR

FANJUL OSCAR
Sell
2,900 $173.70

2,900

$173.70

$503,731

Feb 03, 2023

FANJUL OSCAR

FANJUL OSCAR
Sell
5,750 $171.96

5,750

$171.96

$988,798

Dec 13, 2022

Beswick Paul

Beswick Paul
SVP, Chief Information Officer
Sell
1,171 $176.75

1,171

$176.75

$206,974

Dec 09, 2022

Klisura Dean Michael

Klisura Dean Michael
President & CEO, Guy Carpenter
Sell
8,694 $172.34

8,694

$172.34

$1,498,315

Dec 08, 2022

MCGIVNEY MARK C

MCGIVNEY MARK C
CFO
Sell
61,510 $170.00

61,510

$170.00

$10,456,700

Apr 25, 2022

South Martin

South Martin
President & CEO, Marsh
Sell
2,950 $169.26

2,950

$169.26

$499,311

Mar 29, 2022

Beswick Paul

Beswick Paul
SVP, Chief Information Officer
Sell
1,791 $171.21

1,791

$171.21

$306,637

Mar 18, 2022

Ferland Martine

Ferland Martine
President and CEO, Mercer
Sell
4,797 $158.28

4,797

$158.28

$759,269

Mar 04, 2022

MCGIVNEY MARK C

MCGIVNEY MARK C
CFO
Sell
7,695 $155.00

7,695

$155.00

$1,192,725

Mar 04, 2022

Ferland Martine

Ferland Martine
President and CEO, Mercer
Sell
5,621 $155.00

5,621

$155.00

$871,255

Mar 04, 2022

Mills Stacy

Mills Stacy
Vice President and Controller
Sell
1,488 $155.00

1,488

$155.00

$230,640

Mar 04, 2022

Glaser Daniel S

Glaser Daniel S
President and CEO, MMC
Sell
32,322 $154.60

32,322

$154.60

$4,996,981

Dec 03, 2021

MCGIVNEY MARK C

MCGIVNEY MARK C
CFO
Sell
58,295 $167.69

58,295

$167.69

$9,775,302

Dec 03, 2021

OKEN MARC D

OKEN MARC D
Buy
5,000 $167.46

5,000

$167.46

$0

Dec 02, 2021

Ferland Martine

Ferland Martine
President and CEO, Mercer
Sell
9,192 $167.12

9,192

$167.12

$1,536,204

Nov 29, 2021

Glaser Daniel S

Glaser Daniel S
President and CEO, MMC
Sell
237,110 $167.63

237,110

$167.63

$39,746,488

Aug 31, 2021

SCHAPIRO MORTON O

SCHAPIRO MORTON O
Sell
9,078 $157.18

9,078

$157.18

$1,426,930

Jun 02, 2021

McDonald Scott

McDonald Scott
President and CEO of OWG
Sell
56,936 $138.94

56,936

$138.94

$7,910,688

Jun 02, 2021

McDonald Scott

McDonald Scott
President and CEO of OWG
Sell
55,115 $138.97

55,115

$138.97

$7,659,276

Mar 08, 2021

MCGIVNEY MARK C

MCGIVNEY MARK C
CFO
Sell
6,125 $115.28

6,125

$115.28

$706,090

Mar 04, 2021

HEARN PETER C

HEARN PETER C
President & CEO, Guy Carpenter
Sell
4,418 $115.28

4,418

$115.28

$509,307

Mar 04, 2021

McDonald Scott

McDonald Scott
President and CEO of OWG
Sell
4,437 $115.28

4,437

$115.28

$511,497

Mar 04, 2021

Ferland Martine

Ferland Martine
President and CEO, Mercer
Sell
2,162 $115.28

2,162

$115.28

$249,235

Mar 04, 2021

Mills Stacy

Mills Stacy
Vice President and Controller
Sell
1,434 $115.28

1,434

$115.28

$165,312

Mar 04, 2021

Glaser Daniel S

Glaser Daniel S
President and CEO, MMC
Sell
27,142 $115.28

27,142

$115.28

$3,128,930

Dec 11, 2020

Glaser Daniel S

Glaser Daniel S
President and CEO, MMC
Sell
314,516 $115.39

314,516

$115.39

$36,291,561

Nov 16, 2020

MCGIVNEY MARK C

MCGIVNEY MARK C
CFO
Sell
32,439 $114.91

32,439

$114.91

$3,727,501

Nov 16, 2020

Yates Lloyd M

Yates Lloyd M
Sell
6,658 $115.17

6,658

$115.17

$766,781

Aug 25, 2020

Ferland Martine

Ferland Martine
President and CEO, Mercer
Sell
2,940 $112.90

2,940

$112.90

$331,920

Aug 03, 2020

Ledford Laurie

Ledford Laurie
SVP & Chief HR Officer
Sell
4,114 $115.78

4,114

$115.78

$476,298

Mar 05, 2020

McDonald Scott

McDonald Scott
President and CEO of OWG
Sell
40,297 $106.81

40,297

$106.81

$4,304,159

Mar 05, 2020

MCGIVNEY MARK C

MCGIVNEY MARK C
CFO
Sell
8,465 $106.83

8,465

$106.83

$904,274

Mar 05, 2020

Mills Stacy

Mills Stacy
Vice President and Controller
Sell
1,270 $106.83

1,270

$106.83

$135,675

Mar 05, 2020

Glaser Daniel S

Glaser Daniel S
President and CEO, MMC
Sell
248,347 $106.81

248,347

$106.81

$26,526,787

Mar 05, 2020

Gilbert E Scott

Gilbert E Scott
SVP, Chief Information Officer
Sell
4,114 $106.89

4,114

$106.89

$439,749

Mar 04, 2020

HEARN PETER C

HEARN PETER C
President & CEO, Guy Carpenter
Sell
7,774 $107.46

7,774

$107.46

$835,394

Feb 24, 2020

MCGIVNEY MARK C

MCGIVNEY MARK C
CFO
Sell
47,873 $113.93

47,873

$113.93

$5,454,262

Feb 24, 2020

Gilbert E Scott

Gilbert E Scott
SVP, Chief Information Officer
Sell
43,253 $113.93

43,253

$113.93

$4,927,702

Feb 19, 2020

McDonald Scott

McDonald Scott
President and CEO of OWG
Sell
5,972 $119.39

5,972

$119.39

$712,980

Nov 25, 2019

Ledford Laurie

Ledford Laurie
SVP & Chief HR Officer
Sell
4,305 $108.03

4,305

$108.03

$465,052

Mar 05, 2019

HEARN PETER C

HEARN PETER C
President & CEO, Guy Carpenter
Sell
2,562 $92.68

2,562

$92.68

$237,441

Mar 05, 2019

McDonald Scott

McDonald Scott
President and CEO of OWG
Sell
5,521 $92.82

5,521

$92.82

$512,444

Mar 05, 2019

MCGIVNEY MARK C

MCGIVNEY MARK C
CFO
Sell
6,519 $92.63

6,519

$92.63

$603,871

Mar 05, 2019

Mills Stacy

Mills Stacy
Vice President and Controller
Sell
1,245 $92.60

1,245

$92.60

$115,284

Mar 05, 2019

Beshar Peter J

Beshar Peter J
EVP and General Counsel
Sell
8,985 $92.70

8,985

$92.70

$832,874

Mar 05, 2019

Glaser Daniel S

Glaser Daniel S
President and CEO, MMC
Sell
179,451 $92.03

179,451

$92.03

$16,515,557

Mar 05, 2019

Gilbert E Scott

Gilbert E Scott
SVP, Chief Information Officer
Sell
3,660 $92.66

3,660

$92.66

$339,135

Feb 25, 2019

MCGIVNEY MARK C

MCGIVNEY MARK C
CFO
Sell
13,867 $92.91

13,867

$92.91

$1,288,355

Feb 25, 2019

Beshar Peter J

Beshar Peter J
EVP and General Counsel
Sell
67,655 $93.14

67,655

$93.14

$6,301,251

Feb 25, 2019

Gilbert E Scott

Gilbert E Scott
SVP, Chief Information Officer
Sell
12,677 $92.77

12,677

$92.77

$1,176,045

Feb 04, 2019

McDonald Scott

McDonald Scott
President and CEO of OWG
Sell
11,245 $90.34

11,245

$90.34

$1,015,873

Feb 04, 2019

Gilbert E Scott

Gilbert E Scott
SVP, Chief Information Officer
Sell
89,789 $90.05

89,789

$90.05

$8,085,679

Aug 29, 2018

Gilbert E Scott

Gilbert E Scott
SVP, Chief Information Officer
Sell
80,646 $84.64

80,646

$84.64

$6,825,636

Mar 05, 2018

McDonald Scott

McDonald Scott
President and CEO of OWG
Sell
20,000 $81.87

20,000

$81.87

$1,637,320

Mar 05, 2018

Mills Stacy

Mills Stacy
Vice President and Controller
Sell
1,145 $82.95

1,145

$82.95

$94,972

Mar 05, 2018

Beshar Peter J

Beshar Peter J
EVP and General Counsel
Sell
10,567 $81.75

10,567

$81.75

$863,821

Mar 05, 2018

Glaser Daniel S

Glaser Daniel S
President and CEO, MMC
Sell
41,504 $81.88

41,504

$81.88

$3,398,140

Mar 05, 2018

Portalatin Julio A

Portalatin Julio A
President and CEO, Mercer
Sell
10,911 $81.87

10,911

$81.87

$893,273

Mar 02, 2018

Gilbert E Scott

Gilbert E Scott
SVP, Chief Information Officer
Sell
52,782 $81.33

52,782

$81.33

$4,292,549

Feb 26, 2018

MCGIVNEY MARK C

MCGIVNEY MARK C
CFO
Sell
5,174 $83.59

5,174

$83.59

$432,495

Feb 26, 2018

MCGIVNEY MARK C

MCGIVNEY MARK C
CFO
Sell
13,105 $83.59

13,105

$83.59

$1,095,447

Feb 26, 2018

MCGIVNEY MARK C

MCGIVNEY MARK C
CFO
Sell
4,249 $83.59

4,249

$83.59

$355,174

Feb 05, 2018

McDonald Scott

McDonald Scott
President and CEO of OWG
Sell
11,200 $84.87

11,200

$84.87

$950,522

Feb 05, 2018

McDonald Scott

McDonald Scott
President and CEO of OWG
Sell
218 $84.49

218

$84.49

$18,419

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