Tristel PLC (TSTL)

Tristel PLC experienced recent insider trading activity during March 2026. Non-Executive Directors Caroline and Glenn Stephens executed multiple share purchases. These acquisitions follow a December 2025 buy by Tom Jenkins. Prior to these events, leadership engaged in various divestments throughout 2024. Current market participants observe these patterns as the latest recorded movements within the firm.
Ticker: TSTL Exchange: LSE


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Purchase Sale Planned purchase Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Tristel PLC. Upgrade to see score, net flow, insiders and the full signal context.

Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
2.2
Caroline Stephens Non-Executive Director Executive Director
Transaction date
Purchase
Price
145.40
Quantity 6,906
Value £3,006,315
Glenn Stephens Non-Executive Director Executive Director
Through Caroline Stephens, a closely affiliated person
Transaction date
Purchase
Price
398.75
Quantity 29,709
Value £3,738,690
Glenn Stephens Non-Executive Director Executive Director
Through Caroline Stephens, a closely affiliated person
Transaction date
Purchase
Price
434.86
Quantity 15,092
Value £1,666,678
3.2
Tom Jenkins Director Executive Director
Transaction date
Purchase
Price
3.68
Quantity 5,400
Value £19,872
2.8
Elizabeth Dixon Chief Financial Officer Officer
Transaction date
Sale
Price
3.98
Quantity 50,000
Value £198,750
2.8
Elizabeth Dixon Chief Financial Officer Officer
Transaction date
Sale
Price
4.40
Quantity 29,000
Value £127,600
2.2
Paul Swinney Chief Executive Officer Officer
Transaction date
Sale
Price
4.41
Quantity 57,849
Value £254,974
2.2
Paul Swinney Chief Executive Officer Officer
Transaction date
Sale
Price
4.62
Quantity 50,000
Value £231,000
2.8
Elizabeth Dixon Chief Financial Officer Officer
Transaction date
Sale
Price
4.23
Quantity 40,000
Value £169,000
2.2
Paul Swinney Chief Executive Officer Officer
Transaction date
Sale
Price
4.23
Quantity 50,000
Value £211,250
2.2
Paul Swinney Chief Executive Officer Officer
Transaction date
Sale
Price
3.50
Quantity 100,000
Value £350,000
3.2
Tom Jenkins Non-Executive Director Executive Director
Transaction date
Purchase
Price
3.72
Quantity 8,000
Value £29,760
2.2
Paul Swinney Chief Executive Officer Officer
Transaction date
Sale
Price
3.33
Quantity 300,000
Value £999,000
2.8
Elizabeth Dixon Chief Financial Officer Officer
Transaction date
Purchase
Price
3.07
Quantity 4,000
Value £12,260
2.2
Paul Swinney Chief Executive Officer Officer
Transaction date
Purchase
Price
3.07
Quantity 2,350
Value £7,205
2.2
Paul Swinney Chief Executive Officer Officer
Transaction date
Purchase
Price
3.11
Quantity 3,950
Value £12,284
2.2
Paul Swinney Chief Executive Officer Officer
Transaction date
Sale
Price
3.10
Quantity 3,950
Value £12,245
2.8
Elizabeth Dixon Chief Financial Officer Officer
Transaction date
Purchase
Price
3.00
Quantity 5,000
Value £15,000
2.8
Elizabeth Dixon Chief Financial Officer Officer
Transaction date
Purchase
Price
3.20
Quantity 10,000
Value £32,000
2.2
Paul Swinney Chief Executive Officer Officer
Transaction date
Purchase
Price
3.20
Quantity 3,000
Value £9,600
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2026-03-23 2026-03-20 B Purchase

Non-Executive Director

Executive Director
6,906
145.40
£3,006,315
6,906 145.40 £3,006,315
2026-03-03 2026-03-03 B Purchase Glenn Stephens

Non-Executive Director

Through Caroline Stephens, a closely affiliated person Executive Director
29,709
398.75
£3,738,690
29,709 398.75 £3,738,690
2026-03-03 2026-03-03 B Purchase Glenn Stephens

Non-Executive Director

Through Caroline Stephens, a closely affiliated person Executive Director
15,092
434.86
£1,666,678
15,092 434.86 £1,666,678
2025-12-12 2025-12-11 B Purchase

Director

Executive Director
5,400
3.68
£19,872
5,400 3.68 £19,872
2024-09-20 2024-09-19 S Sale

Chief Financial Officer

Officer
50,000
3.98
£198,750
50,000 3.98 £198,750
2024-06-11 2024-06-11 S Sale

Chief Financial Officer

Officer
29,000
4.40
£127,600
29,000 4.40 £127,600
2024-06-11 2024-06-11 S Sale

Chief Executive Officer

Officer
57,849
4.41
£254,974
57,849 4.41 £254,974
2024-04-16 2024-04-16 S Sale

Chief Executive Officer

Officer
50,000
4.62
£231,000
50,000 4.62 £231,000
2024-01-10 2024-01-10 S Sale

Chief Financial Officer

Officer
40,000
4.23
£169,000
40,000 4.23 £169,000
2024-01-10 2024-01-10 S Sale

Chief Executive Officer

Officer
50,000
4.23
£211,250
50,000 4.23 £211,250
2023-07-28 2023-07-27 S Sale

Chief Executive Officer

Officer
100,000
3.50
£350,000
100,000 3.50 £350,000
2023-06-26 2023-06-23 B Purchase

Non-Executive Director

Executive Director
8,000
3.72
£29,760
8,000 3.72 £29,760
2022-07-22 2022-07-22 S Sale

Chief Executive Officer

Officer
300,000
3.33
£999,000
300,000 3.33 £999,000
2022-04-06 2022-04-06 B Purchase

Chief Financial Officer

Officer
4,000
3.07
£12,260
4,000 3.07 £12,260
2022-04-06 2022-04-06 B Purchase

Chief Executive Officer

Officer
2,350
3.07
£7,205
2,350 3.07 £7,205
2022-04-05 2022-04-05 B Purchase

Chief Executive Officer

Officer
3,950
3.11
£12,284
3,950 3.11 £12,284
2022-04-05 2022-04-05 S Sale

Chief Executive Officer

Officer
3,950
3.10
£12,245
3,950 3.10 £12,245
2022-03-29 2022-03-29 B Purchase

Chief Financial Officer

Officer
5,000
3.00
£15,000
5,000 3.00 £15,000
2022-02-22 2022-02-22 B Purchase

Chief Financial Officer

Officer
10,000
3.20
£32,000
10,000 3.20 £32,000
2022-02-22 2022-02-22 B Purchase

Chief Executive Officer

Officer
3,000
3.20
£9,600
3,000 3.20 £9,600