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DPLM Insider Trading

Insider Ownership Percentage: 1.13%
Insider Buying (Last 12 Months): £294,056.83
Insider Selling (Last 12 Months): GBX 0

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 5,475.04
Price Change: ▲ Price Increase of +45.04 (0.83%)
As of 12/4/2025 01:33 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

Diploma Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
11/19/2025Geraldine HuseInsiderBuy750GBX 3,997£29,977.50
5/21/2025Katie BickerstaffeInsiderBuy44GBX 4,867£2,141.48
5/20/2025Katie BickerstaffeInsiderBuy13GBX 4,982£647.66
5/20/2025Katie BickerstaffeInsiderBuy39GBX 4,981£1,942.59
3/24/2025Ian El-MokademInsiderBuy500GBX 3,948£19,740
3/21/2025David S LowdenInsiderBuy750GBX 3,928£29,460
1/16/2025Jennifer WardInsiderBuy1,000GBX 4,250£42,500
12/20/2024Chris DaviesInsiderBuy3,917GBX 4,280£167,647.60
11/19/2024Johnny ThomsonInsiderSell26,794GBX 4,536£1,215,375.84
12/15/2023Chris DaviesInsiderBuy3,824GBX 3,546£135,599.04
12/4/2023Johnny ThomsonInsiderSell22,000GBX 3,350£737,000
11/20/2023Johnny ThomsonInsiderSell35,158GBX 3,020£1,061,771.60
See Full Table

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

79.45% of Diploma stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Diploma logo
Diploma PLC, together with its subsidiaries, supplies specialized technical products and services in the United Kingdom, Continental Europe, North America, and internationally. It operates through three business sectors: Life Sciences, Seals, and Controls. The Life Sciences sector supplies technology-enabled products used in surgical procedures in operating theatres and endoscopy; testing equipment and services for clinical laboratories; and bio-pharma, food safety and testing, and other research-oriented products. It serves hospitals, clinical laboratories, and research facilities. The Seals sector supplies various seals, gaskets, cylinders, components, and kits used in heavy mobile machinery; and O-rings, fittings, hydraulic and industrial hoses, pneumatics products, pumps, and related accessories. The Controls sector offers wire and cabling, interconnect, specialty fasteners, and adhesive and industrial automation solutions for various applications. Diploma PLC was incorporated in 1999 and is based in London, the United Kingdom.
Read More on Diploma

Today's Range

Now: GBX 5,475.04
Low: 5,445
High: 5,510

50 Day Range

MA: GBX 5,406.92
Low: 5,210
High: 5,655

52 Week Range

Now: GBX 5,475.04
Low: 3,532
High: 5,700

Volume

634,551 shs

Average Volume

616,534 shs

Market Capitalization

£7.34 billion

P/E Ratio

44.05

Dividend Yield

1.14%

Beta

0.75

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

Diploma's top insider investors include:
  1. Chris Davies (Insider)
  2. David S Lowden (Insider)
  3. Geraldine Huse (Insider)
  4. Ian El-Mokadem (Insider)
  5. Jennifer Ward (Insider)
  6. Johnny Thomson (Insider)
  7. Katie Bickerstaffe (Insider)
Learn More about top insider investors at Diploma.