United Kingdom Chemicals

Atome PLC (ATOM)

Track

Track

Atome PLC experienced significant insider activity on April 30, 2026, when multiple executives, including the CEO and Chairman, executed substantial share purchases. These transactions represent the most recent trading events for the firm, reflecting a coordinated acquisition effort by leadership members to increase their equity stakes within the organization.
Ticker: ATOM 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 Atome PLC. Upgrade to see score, net flow, insiders and the full signal context.

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Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Robert Sheffrin Finance Director Executive Director
Transaction date
Purchase
Price
65.81
Quantity 89,864
Value £4,178,308
Robert Sheffrin Finance Director Executive Director
Transaction date
Purchase
Price
194.10
Quantity 51,126
Value £4,266,116
Mary-Rose de Valladares Executive Director Executive Director
Transaction date
Purchase
Price
224.75
Quantity 97,098
Value £3,584,963
James Spalding Executive Director Executive Director
Transaction date
Purchase
Price
0.60
Quantity 198,347
Value £119,008
Nikita Levine Executive Director Executive Director
Transaction date
Purchase
Price
0.60
Quantity 246,914
Value £148,148
Olivier Mussat CEO Officer
Transaction date
Purchase
Price
0.60
Quantity 123,457
Value £74,074
Peter Levine Chairman Director
Transaction date
Purchase
Price
0.60
Quantity 4,753,086
Value £2,851,852
Peter Levine Chairman Director
Transaction date
Sale
Price
0.75
Quantity 900,000
Value £675,000
Olivier Mussat Chief Executive Officer
Transaction date
Purchase
Price
0.75
Quantity 900,000
Value £675,000
Richard Day Non-executive Director Executive Director
Transaction date
Purchase
Price
0.75
Quantity 17,000
Value £12,750
Robert Sheffrin Finance Director Executive Director
Transaction date
Purchase
Price
0.75
Quantity 12,000
Value £9,000
Mary-Rose de Valladares Independent Non-Executive Director Non-Executive Director
Transaction date
Purchase
Price
0.75
Quantity 24,000
Value £18,000
James Spalding Executive Director Executive Director
Transaction date
Purchase
Price
0.75
Quantity 77,000
Value £57,750
Nikita Levine Director Executive Director
Transaction date
Purchase
Price
0.75
Quantity 70,000
Value £52,500
Olivier Mussat CEO Officer
Transaction date
Purchase
Price
0.75
Quantity 133,333
Value £100,000
Peter Levine Chairman Director
Transaction date
Purchase
Price
0.75
Quantity 666,667
Value £500,000
Robert Sheffrin Finance Director Executive Director
Transaction date
Purchase
Price
0.50
Quantity 23,000
Value £11,500
Richard Day Senior Independent Non-Executive Director and Deputy Chairman Non-Executive Director
Transaction date
Purchase
Price
0.50
Quantity 36,000
Value £18,000
Mary-Rose de Valladares Independent Non-Executive Director Non-Executive Director
Transaction date
Purchase
Price
0.50
Quantity 88,000
Value £44,000
James Spalding Executive Director Executive Director
Transaction date
Purchase
Price
0.50
Quantity 372,000
Value £186,000
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-05-01 2026-04-30 B Purchase Robert Sheffrin

Finance Director

Executive Director
89,864
65.81
£4,178,308 		89,864 65.81 £4,178,308
2026-04-30 2026-04-30 B Purchase Robert Sheffrin

Finance Director

Executive Director
51,126
194.10
£4,266,116 		51,126 194.10 £4,266,116
2026-04-30 2026-04-30 B Purchase Mary-Rose de Valladares

Executive Director

Executive Director
97,098
224.75
£3,584,963 		97,098 224.75 £3,584,963
2026-04-30 2026-04-30 B Purchase James Spalding

Executive Director

Executive Director
198,347
0.60
£119,008 		198,347 0.60 £119,008
2026-04-30 2026-04-30 B Purchase Nikita Levine

Executive Director

Executive Director
246,914
0.60
£148,148 		246,914 0.60 £148,148
2026-04-30 2026-04-30 B Purchase Olivier Mussat

CEO

Officer
123,457
0.60
£74,074 		123,457 0.60 £74,074
2026-04-30 2026-04-30 B Purchase Peter Levine

Chairman

Director
4,753,086
0.60
£2,851,852 		4,753,086 0.60 £2,851,852
2024-10-18 2024-10-17 S Sale Peter Levine

Chairman

Director
900,000
0.75
£675,000 		900,000 0.75 £675,000
2024-10-18 2024-10-17 B Purchase Olivier Mussat

Chief Executive

Officer
900,000
0.75
£675,000 		900,000 0.75 £675,000
2024-10-09 2024-10-09 B Purchase Richard Day

Non-executive Director

Executive Director
17,000
0.75
£12,750 		17,000 0.75 £12,750
2024-10-02 2024-10-02 B Purchase Robert Sheffrin

Finance Director

Executive Director
12,000
0.75
£9,000 		12,000 0.75 £9,000
2024-10-02 2024-10-02 B Purchase Mary-Rose de Valladares

Independent Non-Executive Director

Non-Executive Director
24,000
0.75
£18,000 		24,000 0.75 £18,000
2024-10-02 2024-10-02 B Purchase James Spalding

Executive Director

Executive Director
77,000
0.75
£57,750 		77,000 0.75 £57,750
2024-10-02 2024-10-02 B Purchase Nikita Levine

Director

Executive Director
70,000
0.75
£52,500 		70,000 0.75 £52,500
2024-10-02 2024-10-02 B Purchase Olivier Mussat

CEO

Officer
133,333
0.75
£100,000 		133,333 0.75 £100,000
2024-10-02 2024-10-02 B Purchase Peter Levine

Chairman

Director
666,667
0.75
£500,000 		666,667 0.75 £500,000
2024-02-22 2024-02-22 B Purchase Robert Sheffrin

Finance Director

Executive Director
23,000
0.50
£11,500 		23,000 0.50 £11,500
2024-02-22 2024-02-22 B Purchase Richard Day

Senior Independent Non-Executive Director and Deputy Chairman

Non-Executive Director
36,000
0.50
£18,000 		36,000 0.50 £18,000
2024-02-22 2024-02-22 B Purchase Mary-Rose de Valladares

Independent Non-Executive Director

Non-Executive Director
88,000
0.50
£44,000 		88,000 0.50 £44,000
2024-02-22 2024-02-22 B Purchase James Spalding

Executive Director

Executive Director
372,000
0.50
£186,000 		372,000 0.50 £186,000
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