Australia Chemicals

Quantum Helium Ltd (QHE)

Track

Quantum Helium Ltd experienced multiple insider trading transactions during April 2026. Directors Graham Duncan, Andrew Scott, Nigel Harvey, and Carl Dumbrell executed several share purchases. The most recent activity occurred on April 22, 2026, reflecting consistent acquisition patterns by leadership members throughout the month.
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Insider trades have triggered activity signals for Quantum Helium Ltd. 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
Graham Duncan Non-Executive Director Executive Director
Transaction date
Purchase
Price
397.52
Quantity 4,307
Value £1,677,946
Nigel Harvey Non-Executive Director Executive Director
Transaction date
Purchase
Price
131.31
Quantity 85,895
Value £1,812,141
Andrew Scott Executive Director Executive Director
Transaction date
Purchase
Price
30.05
Quantity 25,268
Value £2,871,623
Carl Dumbrell Executive Chairman Director
Transaction date
Purchase
Price
0.00
Quantity 60,768,948
Value £18,838
Graham Duncan Non-Executive Director Executive Director
Transaction date
Purchase
Price
0.00
Quantity 39,300,000
Value £15,327
Andrew Scott Executive Director Executive Director
Transaction date
Purchase
Price
0.00
Quantity 45,000,000
Value £18,000
Andrew Scott Executive Director Executive Director
Transaction date
Purchase
Price
0.00
Quantity 68,841,085
Value £17,899
Carl Dumbrell Executive Chairman Director
Transaction date
Purchase
Price
0.00
Quantity 59,496,555
Value £16,064
Andy Carroll Technical Director Executive Director
Transaction date
Purchase
Price
0.00
Quantity 41,666,666
Value £95,833
Andy Carroll Technical Director Executive Director
Transaction date
Purchase
Price
0.00
Quantity 41,666,666
Value £62,500
John Barr Chairman Director
Transaction date
Purchase
Price
0.00
Quantity 41,666,666
Value £95,833
John Barr Chairman Director
Transaction date
Purchase
Price
0.00
Quantity 41,666,666
Value £62,500
Andy Carroll Technical Director Executive Director
Transaction date
Purchase
Price
0.00
Quantity 20,000,000
Value £80,000
Andy Carroll Technical Director Executive Director
Transaction date
Purchase
Price
0.00
Quantity 40,000,000
Value £110,000
John Barr Chairman Director
Transaction date
Purchase
Price
0.00
Quantity 20,000,000
Value £80,000
John Barr Chairman Director
Transaction date
Purchase
Price
0.00
Quantity 40,000,000
Value £110,000
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-04-23 2026-04-22 B Purchase Graham Duncan

Non-Executive Director

Executive Director
4,307
397.52
£1,677,946 		4,307 397.52 £1,677,946
2026-04-21 2026-04-20 B Purchase Nigel Harvey

Non-Executive Director

Executive Director
85,895
131.31
£1,812,141 		85,895 131.31 £1,812,141
2026-04-21 2026-04-20 B Purchase Andrew Scott

Executive Director

Executive Director
25,268
30.05
£2,871,623 		25,268 30.05 £2,871,623
2026-04-21 2026-04-20 B Purchase Carl Dumbrell

Executive Chairman

Director
60,768,948
0.00
£18,838 		60,768,948 0.00 £18,838
2026-01-08 2026-01-07 B Purchase Graham Duncan

Non-Executive Director

Executive Director
39,300,000
0.00
£15,327 		39,300,000 0.00 £15,327
2026-01-02 2025-12-30 B Purchase Andrew Scott

Executive Director

Executive Director
45,000,000
0.00
£18,000 		45,000,000 0.00 £18,000
2025-12-03 2025-12-02 B Purchase Andrew Scott

Executive Director

Executive Director
68,841,085
0.00
£17,899 		68,841,085 0.00 £17,899
2025-12-03 2025-12-02 B Purchase Carl Dumbrell

Executive Chairman

Director
59,496,555
0.00
£16,064 		59,496,555 0.00 £16,064
2020-02-14 2020-02-12 B Purchase Andy Carroll

Technical Director

Executive Director
41,666,666
0.00
£95,833 		41,666,666 0.00 £95,833
2020-02-14 2020-02-12 B Purchase Andy Carroll

Technical Director

Executive Director
41,666,666
0.00
£62,500 		41,666,666 0.00 £62,500
2020-02-14 2020-02-12 B Purchase John Barr

Chairman

Director
41,666,666
0.00
£95,833 		41,666,666 0.00 £95,833
2020-02-14 2020-02-12 B Purchase John Barr

Chairman

Director
41,666,666
0.00
£62,500 		41,666,666 0.00 £62,500
2018-12-05 2018-12-05 B Purchase Andy Carroll

Technical Director

Executive Director
20,000,000
0.00
£80,000 		20,000,000 0.00 £80,000
2018-12-05 2018-12-05 B Purchase Andy Carroll

Technical Director

Executive Director
40,000,000
0.00
£110,000 		40,000,000 0.00 £110,000
2018-12-05 2018-12-05 B Purchase John Barr

Chairman

Director
20,000,000
0.00
£80,000 		20,000,000 0.00 £80,000
2018-12-05 2018-12-05 B Purchase John Barr

Chairman

Director
40,000,000
0.00
£110,000 		40,000,000 0.00 £110,000
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