Invinity Energy Systems revealed on Thursday that chief executive Lawrence Zulch had acquired 40,000 ordinary shares in the AIM-listed batteries manufacturer.
Medica Group revealed on Wednesday that chairman Roy Davis had acquired 75,000 ordinary shares in the London-listed teleradiology firm.
Glencore revealed on Tuesday that non-executive director Peter Coates had acquired 80,000 ordinary shares in the FTSE 100-listed mining firm.
Energean Oil & Gas revealed on Monday that chair Karen Simon had acquired 31,422 ordinary shares in the FTSE 250-listed crude production outfit.
Norcros revealed on Friday that chief executive Nick Kelsall's wife Susan had acquired 200,000 ordinary shares in the London-listed construction materials firm.
Hansa Investment Company revealed on Thursday that chairman William Salomon had acquired 40,000 ordinary shares in the London-listed trust.
The Restaurant Group revealed on Wednesday that chief financial officer Kirk Davis had purchased 276,797 ordinary shares in the London-listed restaurant operator.
Syncona revealed on Tuesday that chairperson Melanie Gee had acquired 26,500 ordinary shares in the FTSE 250-listed life sciences investor.
Aveva Group revealed on Monday that non-executive director Peter Herweck had acquired 2,500 ordinary shares in the FTSE 100-listed engineering and industrial software company.
John Joseph Danilovich picked up a large batch of shares in the telecommunications and money services provider Airtel Africa at the start of the year and nearly 10 days before.
Daax Corporation stepped in to buy more shares in Kurdistan-focused oil exploration group Genel Energy.
The boss of IWG, formerly Regus, Mark Dixon, stepped into the market for the third time in the same week on 18 March.
IWG boss Mark Dixon picked up a big batch of the shares in the company he founded at the start of the week, as they broke through technical support to reach their lowest level since early 2013.
Galliford Try revealed on Monday that chief executive Bill Hocking had acquired 100,000 ordinary shares in the FTSE 250-listed construction firm.
Scotgems revealed on Friday that non-independent director Angus Tulloch had acquired 250,000 ordinary shares in the London-listed investment trust.
Coats Group revealed on Thursday that chairman Michael Clasper had purchased 200,000 ordinary shares in the FTSE 250-listed sewing thread and supplies manufacturer.
Urban Logistics revealed on Wednesday that non-executive chairman Nigel Rich had acquired 110,000 ordinary shares in the AIM-listed real estate investment trust.
TalkTalk revealed on Tuesday that chairman Charles Dunstone had purchased 955,149 ordinary shares in the FTSE 250-listed telecommunications firm.
Renishaw revealed on Friday that chief executive William Lee had acquired 900 ordinary shares in the FTSE 250-listed engineering company.
Hummingbird Resources revealed on Wednesday that chief executive Daniel Betts had purchased 100,000 ordinary shares in the AIM-listed gold mining firm.