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Sebastian Siemiatkowski

Track

Insider profile

Performance

Overall performance
0.9
Performance over holding periods
0.9
30 days 90 days 120 days
Average return -20% 8.2% 15.1%
Success rate 0% 68% 82%
Transactions
4 100% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance
Sebastian Siemiatkowski's trades of Flat Capital AB's stock


Subscribe to get access to the transaction volume chart and in-chart transaction details
• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2025-10-29 2025-10-29
SE Flat Capital AB (FLAT-B)
B Purchase
83,974
99.93
SEK4,532,840 		83,974 99.93 SEK4,532,840
2025-10-29 2025-10-29
SE Flat Capital AB (FLAT-B)
B Purchase
8,163
130.47
SEK3,108,805 		8,163 130.47 SEK3,108,805
2025-10-24 2025-10-23
SE Flat Capital AB (FLAT-B)
B Purchase
20,607
451.01
SEK311,096 		20,607 451.01 SEK311,096
2025-10-24 2025-10-23
SE Flat Capital AB (FLAT-B)
B Purchase
105,392,117
20.00
SEK2,107,842,340 		105,392,117 20.00 SEK2,107,842,340
2025-06-19 2025-06-18
SE Flat Capital AB (FLAT-B)
S Sale
4,637,989
1.60
SEK7,420,782 		4,637,989 1.60 SEK7,420,782