The U.S. Solution to China's Copper Grab
China consumes 54% of the world's copper. Yet China mines only 8% of its copper needs, while plundering Africa, Latin America and South America for copper. The U.S. is left scrambling for new copper sources. But there's a North American copper sweet spot overlooked by China – for now.
Find Out Where This Copper Hotspot Is

DPLM Insider Trading (Diploma)

Insider Ownership Percentage: N/A
Insider Buying (Last 12 Months): £111,778.48
Insider Selling (Last 12 Months): £1,849,252.68

Diploma Insider Trading History Chart

This chart shows the insider buying and selling history at Diploma by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Diploma Share Price & Price History

Current Price: GBX 2,462
Price Change: Price Decrease of -142 (-5.45%)
As of 05/16/2022 05:45 PM ET

This chart shows the closing price history over time for DPLM up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365
The American Antidote for Chinese Lithium?
Switching to renewable energy means lithium demand could skyrocket 1,000% by 2030. But China controls 80% of the world's lithium supply, and the U.S. warns that China's monopoly is a national security and economic threat. Nevada's famed lithium deposits could be the best antidote to fight back against Chinese lithium domination.
See Why Nevada Lithium Should be on Your Radar

Diploma Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
12/17/2021Barbara GibbesInsiderBuy3,433GBX 3,256£111,778.48
11/22/2021Johnny ThomsonInsiderSell57,717GBX 3,204£1,849,252.68
12/18/2020Johnny ThomsonInsiderBuy2,690GBX 2,109£56,732.10
1/16/2020Johnny ThomsonInsiderBuy8,173GBX 1,941£158,637.93
See Full Table
How You Should Be Choosing Your Stocks
Grab your seat at our complimentary LIVE, interactive masterclass for traders. It’s your chance to finally learn how to pick the right stocks and find the best trades.

We’ll also be diving into market forecasting and revealing under-the-radar stocks we believe have significant potential in Q2.
Click here now to join and get access to our forecasting.

SEC Filings (Institutional Ownership Changes) for Diploma (LON:DPLM)

Diploma logo
Diploma PLC, together with its subsidiaries, supplies specialized technical products and services in the United Kingdom, rest of Europe, North America, and internationally. It operates through three business sectors: Life Sciences, Seals, and Controls. The Life Sciences sector supplies clinical diagnostics instrumentation and products, consumables, specialty surgical devices, and related consumables and services to public hospitals, private clinics, pathology laboratories, scientific research, and medical segments; surgical equipment for hospital operating rooms; and distributes laboratory diagnostics, specialty medical devices, devices, equipment, and patient monitoring technologies used in operating theatres, as well as medically supervised nutrition. It also provides supplies specialist containment solutions and analyzers for chemical, petrochemical, environmental research, and pharmaceutical technology. The Seals sector supplies various seals, gaskets, filters, cylinders, components, and kits used in heavy mobile machinery and specialized industrial equipment; and O-rings, custom molded and machined parts, fluid sealing products, and hydraulic cylinder components. The Controls sector offers cable identification, termination, and management products, and cable products; low voltage cables and cable management solutions; harness components and specialist connectors, including protective sleevings, cut-to-length tubing, kitting, connector assemblies, and prototype quantities of customized multi-core cables; fasteners and related technical support, and other value-added services for civil aerospace, motorsport, defense, and general industries, as well as supports customers with automated inventory replenishment solutions; fluid controllers, compressors, valves, temperature and pressure measurement devices, and liquid dispensing components; and silicones, adhesives, and sealants. Diploma PLC was incorporated in 1931 and is based in London, the United Kingdom.
Read More on Diploma

Today's Range

Now: GBX 2,462
Low: 2,354
High: 2,608

50 Day Range

MA: GBX 2,676.04
Low: 2,474.68
High: 2,885.50

52 Week Range

Now: GBX 2,462
Low: 2,354
High: 3,504


407,431 shs

Average Volume

183,740 shs

Market Capitalization

£3.07 billion

P/E Ratio


Dividend Yield




Who are the company insiders with the largest holdings of Diploma?

Diploma's top insider investors include:
  1. Barbara Gibbes (Insider)
  2. Johnny Thomson (Insider)
Learn More about top insider investors at Diploma.
27 U.S. Cities Where Stocks Yield 26% a Year
What’s the highest-yielding stock you’ve ever owned? The dividends for these stocks have risen so fast over the years that they’re now yielding us an average of 26%!

When you start getting paid 26% on your money, your financial problems tend to pretty much evaporate.
Get in on the action here.