Martin Stephan

Track

Insider profile

Performance

Overall performance
3.4
Performance over holding periods
3.4
30 days 90 days 120 days
Average return 16% 8.2% 15.1%
Success rate 100% 68% 82%
Transactions
8 50% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance
Martin Stephan's trades of Hercules PLC's stock


• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
GB Hercules PLC (HERC)
Transaction date
Purchase
Price
346.86
Quantity 42,938
Value £4,024,583
GB Hercules PLC (HERC)
Transaction date
Purchase
Price
157.68
Quantity 18,413
Value £2,139,614
GB Hercules PLC (HERC)
Transaction date
Purchase
Price
25.64
Quantity 28,464
Value £670,356
GB Hercules PLC (HERC)
Transaction date
Purchase
Price
0.25
Quantity 305,000
Value £77,318
FR Carbios SA (ALCRB)
Transaction date
Sale
Price
30.50
Quantity 3,593
Value €109,586
FR Carbios SA (ALCRB)
Transaction date
Sale
Price
30.50
Quantity 661
Value €20,160
FR Carbios SA (ALCRB)
Transaction date
Sale
Price
30.50
Quantity 746
Value €22,753
FR Carbios SA (ALCRB)
Transaction date
Sale
Price
40.50
Quantity 5,000
Value €202,500
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2026-07-23 2026-07-22
GB Hercules PLC (HERC)
B Purchase
42,938
346.86
£4,024,583 		42,938 346.86 £4,024,583
2026-07-22 2026-07-21
GB Hercules PLC (HERC)
B Purchase
18,413
157.68
£2,139,614 		18,413 157.68 £2,139,614
2026-07-20 2026-07-17
GB Hercules PLC (HERC)
B Purchase
28,464
25.64
£670,356 		28,464 25.64 £670,356
2026-07-10 2026-06-29
GB Hercules PLC (HERC)
B Purchase
305,000
0.25
£77,318 		305,000 0.25 £77,318
2022-07-19 2022-07-06
FR Carbios SA (ALCRB)
S Sale
3,593
30.50
€109,586 		3,593 30.50 €109,586
2022-07-19 2022-07-06
FR Carbios SA (ALCRB)
S Sale
661
30.50
€20,160 		661 30.50 €20,160
2022-07-19 2022-07-06
FR Carbios SA (ALCRB)
S Sale
746
30.50
€22,753 		746 30.50 €22,753
2021-10-21 2021-10-20
FR Carbios SA (ALCRB)
S Sale
5,000
40.50
€202,500 		5,000 40.50 €202,500