Nelson Chai

Nelson Chai serves as Director at Chubb Limited (CB). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

1 trades

$11.0K

Total Sells

2 trades

$61.0K

Net Position

Net Seller

$50.0K

Companies Traded

CB, TMO

Active Period

Feb 2025 – May 2025

3 total trades

Most Recent

Sell CB

May 16, 2025 · $52.6K

Nelson Chai's Insider Trading at Chubb Limited (CB)

Buys

0 · $0.00

Sells

1 · $52.6K

Total Shares Bought

Total Shares Sold

180

CB Price Chart

Loading chart...

Date	Type	Shares	Avg Price	Value	Shares After
May 16, 2025↗	Sell	180	$292.05	$52.6K	0

Nelson Chai's Insider Trading at Thermo Fisher Scientific Inc. (TMO)

Buys

1 · $11.0K

Sells

1 · $8.4K

Total Shares Bought

Total Shares Sold

TMO Price Chart

Loading chart...

Date	Type	Shares	Avg Price	Value	Shares After
Feb 21, 2025↗	Buy	20	$551.90	$11.0K	0
Feb 21, 2025↗	Sell	16	$528.09	$8.4K	0

Related Insiders

Michael D Shafer

officer: Executive Vice President

TMOSell · Mar 11, 2026

CASPER MARC N

director, officer: Chairman & CEO

TMOSell · Mar 5, 2026

George F. Ohsiek

Chief Accounting Officer

CBSell · Feb 13, 2026

GREENBERG EVAN G

Chairman & CEO

CBSell · Feb 12, 2026

Gianluca Pettiti

officer: Executive Vice President

TMOSell · Feb 9, 2026

BOROUGHS TIMOTHY ALAN

Executive Vice President*

CBSell · Feb 6, 2026

Michel Lagarde

Executive Vice President & COO

TMOSell · Dec 4, 2025

Juan Luis Ortega

Executive Vice President*

CBSell · Dec 2, 2025

Explore More Insider Trading Data

CB Insider Trading Activity

View all insider trades at Chubb Limited

Financial Services Sector Insider Trades

See insider activity across financial services stocks

Latest Insider Buys

Most recent insider purchases across all stocks

CEO Stock Purchases

Track CEO buying activity