Insider transactions Diploma PLC

Stocks

DPLM

GB0001826634

Industrial Machinery & Equipment

Market Closed - London S.E. Other stock markets 16:35:02 17/07/2026 BST			5-day change	1st Jan Change
7,240.00 ^GBX	+0.63%		+6.47%	+36.73%

07-17	Brokers cut Rotork to 'hold' amid ABB takeover	AN
07-17	Diploma PLC, Nine Months 2026 Sales/ Trading Statement Call, Jul 16, 2026

Insider Transaction History

Latest insider transactions for Diploma PLC

Date	Insider	Type	Main position	Quantity	Price	Amount	% Market Cap.
20/05/26	Katie Bickerstaffe	Buy	Director	177	67.30	11.91K	0.0001%
23/03/26	Geraldine Huse	Buy	Director	535	58.34	31.21K	0.0004%
23/03/26	Katie Bickerstaffe	Buy	Director	251	59.25	14.87K	0.0002%
23/03/26	Ian El-Mokadem	Buy	Director	500	58.20	29.1K	0.0004%
16/01/26	Jonathan Thomson	Sell	Chief Executive Officer	30,000	56.68	1.7M	0.0223%
15/01/26	Katie Bickerstaffe	Buy	Director	352	56.45	19.87K	0.0003%
15/01/26	Ian El-Mokadem	Buy	Director	500	56.15	28.08K	0.0004%
22/12/25	Wilson Ng	Buy	Chief Financial Officer	410	53.69	22.01K	0.0003%
22/12/25	Wilson Ng	Free	Chief Financial Officer	12,289	53.40	656K	0.0091%
26/11/25	Jonathan Thomson	Free	Chief Executive Officer	55,213	53.90	2.98M	0.0411%
26/11/25	Wilson Ng	Free	Chief Financial Officer	9,856	53.90	531K	0.0073%
19/11/25	Wilson Ng	Fiscal year	Chief Financial Officer	9,433	-	-	0.0070%
19/11/25	Geraldine Huse	Buy	Director	750	39.97	29.98K	0.0006%
19/11/25	Jonathan Thomson	Tax	Chief Executive Officer	37,407	52.59	1.97M	0.0279%
19/11/25	Wilson Ng	Tax	Chief Financial Officer	4,446	52.59	234K	0.0033%
19/11/25	Jonathan Thomson	Fiscal year	Chief Executive Officer	79,424	-	-	0.0592%
21/05/25	Katie Bickerstaffe	Buy	Director	39	49.81	1.94K	0.0000%
21/05/25	Katie Bickerstaffe	Buy	Director	44	48.67	2.14K	0.0000%
21/05/25	Katie Bickerstaffe	Buy	Director	13	49.82	647.66	0.0000%
25/03/25	Ian El-Mokadem	Buy	Director	500	39.48	19.74K	0.0004%
24/03/25	Katie Bickerstaffe	Buy	Director	201	39.44	7.93K	0.0001%
24/03/25	David Lowden	Buy	Chairman	750	39.28	29.46K	0.0006%
17/01/25	Jennifer Ward	Buy	Director	1,000	42.50	42.5K	0.0007%
10/01/25	Janice Stipp	Buy	Director	700	56.86	39.8K	0.0005%
23/12/24	Chris Davies	Buy	Chief Financial Officer	3,917	42.80	168K	0.0029%
27/11/24	Chris Davies	Free	Chief Financial Officer	29,401	45.10	1.33M	0.0219%
27/11/24	Jonathan Thomson	Free	Chief Executive Officer	61,090	45.10	2.76M	0.0456%
20/11/24	Katie Bickerstaffe	Buy	Director	228	43.38	9.89K	0.0002%
20/11/24	Katie Bickerstaffe	Buy	Director	477	43.74	20.86K	0.0004%
20/11/24	Chris Davies	Fiscal year	Chief Financial Officer	7,694	-	-	0.0057%
20/11/24	Chris Davies	Tax	Chief Financial Officer	3,617	45.36	164K	0.0027%
20/11/24	Jonathan Thomson	Fiscal year	Chief Executive Officer	57,007	-	-	0.0425%
20/11/24	Jonathan Thomson	Tax	Chief Executive Officer	26,794	45.36	1.22M	0.0200%
18/12/23	Chris Davies	Buy	Chief Financial Officer	3,824	35.46	136K	0.0029%
05/12/23	Jonathan Thomson	Tax	Chief Executive Officer	22,000	33.50	737K	0.0164%
28/11/23	Jonathan Thomson	Free	Chief Executive Officer	73,608	-	-	0.0549%
28/11/23	Chris Davies	Free	Chief Financial Officer	38,150	-	-	0.0285%
21/11/23	Jonathan Thomson	Fiscal year	Chief Executive Officer	74,804	-	-	0.0558%
21/11/23	Jonathan Thomson	Sell	Chief Executive Officer	35,158	30.20	1.06M	0.0262%
18/07/23	Andrew Smith	Others	Director	7,941	-	-	0.0059%
24/03/23	Chris Davies	Free	Chief Financial Officer	3,984	27.76	111K	0.0032%
22/03/23	David Lowden	Others	Chairman	396	-	-	0.0003%
19/01/23	Jonathan Thomson	Free	Chief Executive Officer	79,424	28.48	2.26M	0.0637%
29/11/22	Chris Davies	Free	Chief Financial Officer	7,694	28.62	220K	0.0062%
29/11/22	Chris Davies	Free	Chief Financial Officer	28,773	28.62	823K	0.0231%
22/11/22	Jonathan Thomson	Sell	Chief Executive Officer	40,177	28.00	1.12M	0.0322%
22/11/22	Jonathan Thomson	Fiscal year	Chief Executive Officer	85,481	-	-	0.0686%
04/10/22	Andrew Smith	Others	Director	7,545	-	-	0.0061%
04/10/22	Andrew Smith	Others	Director	7,545	-	-	0.0061%
31/08/22	David Lowden	Buy	Chairman	2,500	25.76	64.39K	0.0020%