Sweden Software & IT Services

Goodbye Kansas Group AB (GBK)

Track

Over the past 90 days, Goodbye Kansas Group AB recorded 7 insider transactions, resulting in a net value of approximately -3,054 SEK. While total buying reached 432,672 SEK, selling activity totaled 394,972 SEK. Recent activity includes a notable buy by CFO Ulf Hammarmyr in July, following significant board-level transactions in June.
Ticker: GBK Exchange: STO
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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 Goodbye Kansas Group AB. Upgrade to see score, net flow, insiders and the full signal context.

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Top insiders
Trades
Buy 30 Jul 2026
Value SEK1,850,885.67 | Price 337.50 | Shares 34,846
Through Martello Advisory Services Limited UK Filial, a closely affiliated person
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-07-30 2026-07-30 B Purchase
1.3
Ulf Hammarmyr

Chief Financial Officer (CFO)

Through Martello Advisory Services Limited UK Filial, a closely affiliated person Officer
34,846
337.50
SEK1,850,886 		34,846 337.50 SEK1,850,886
2026-06-21 2026-06-18 S Sale
2.2
Staffan Eklöw

Member of the Board of Directors

Through Eklöw Business Law AB, a closely affiliated person Director
34,544
352.98
SEK1,728,454 		34,544 352.98 SEK1,728,454
2026-06-21 2026-06-18 B Purchase
2.2
Staffan Eklöw

Member of the Board of Directors

Director
54,554
164.34
SEK1,004,485 		54,554 164.34 SEK1,004,485
2026-06-21 2026-06-18 S Sale
2.2
Staffan Eklöw

Member of the Board of Directors

Through Eklöw Business Law AB, a closely affiliated person Director
146,286
1.35
SEK197,486 		146,286 1.35 SEK197,486
2026-06-02 2026-05-29 B Purchase
2.4
Per-Anders Göte Wärn

Chairman of the Board of Directors

Director
74,111
1.39
SEK103,014 		74,111 1.39 SEK103,014
2026-06-02 2026-05-29 B Purchase
2.4
Per-Anders Göte Wärn

Chairman of the Board of Directors

Director
33,459
1.42
SEK47,512 		33,459 1.42 SEK47,512
2026-05-28 2026-05-26 B Purchase
1.1
Martello Advisory Services Limited UK Filial

Chief Financial Officer (CFO)

Officer
10,000
1.36
SEK13,600 		10,000 1.36 SEK13,600
2026-04-15 2026-04-13 B Purchase
2.8
AB Kronsvanen Investment och Förvaltning

Other senior executive

Officer
22,833
1.25
SEK28,541 		22,833 1.25 SEK28,541
2026-03-24 2026-03-24 B Purchase
2.2
Staffan Eklöw

Member of the Board of Directors

Director
20,000
1.25
SEK24,906 		20,000 1.25 SEK24,906
2026-03-24 2026-03-24 B Purchase
2.2
Staffan Eklöw

Member of the Board of Directors

Director
20,000
1.25
SEK24,900 		20,000 1.25 SEK24,900
2026-02-19 2026-02-17 B Purchase
3.1
Thomas Lindgren

Chief Executive Officer (CEO)/Managing Directory

Through AB Kronsvanen Investment och Förvaltning, a closely affiliated person Officer
23,001
1.40
SEK32,201 		23,001 1.40 SEK32,201
2026-02-09 2026-02-06 B Purchase
1.3
Ulf Hammarmyr

Chief Financial Officer (CFO)

Through Martello Advisory Services Limited UK Filial, a closely affiliated person Officer
30,000
1.59
SEK47,700 		30,000 1.59 SEK47,700
2025-12-11 2025-12-10 B Purchase
3.1
Thomas Lindgren

Chief Executive Officer (CEO)/Managing Directory

Through AB Kronsvanen Investment och Förvaltning, a closely affiliated person Officer
129,259
2.16
SEK279,199 		129,259 2.16 SEK279,199
2025-12-11 2025-12-10 B Purchase
1.3
Ulf Hammarmyr

Chief Financial Officer (CFO)

Through Martello Advisory Services Limited UK Filial, a closely affiliated person Officer
50,000
2.16
SEK108,000 		50,000 2.16 SEK108,000
2025-12-05 2025-12-05 B Purchase
2.4
Per-Anders Göte Wärn

Chairman of the Board of Directors

Director
414,629
2.16
SEK895,599 		414,629 2.16 SEK895,599
2025-12-05 2025-12-05 B Purchase
2.2
Staffan Eklöw

Member of the Board of Directors

Director
103,703
2.16
SEK223,998 		103,703 2.16 SEK223,998
2025-11-26 2025-11-26 B Purchase
3.1
Thomas Lindgren

Chief Executive Officer (CEO)/Managing Directory

Through AB Kronsvanen Investment och Förvaltning, a closely affiliated person Officer
19,498
1.71
SEK33,342 		19,498 1.71 SEK33,342
2025-11-24 2025-11-24 B Purchase
1.3
Ulf Hammarmyr

Chief Financial Officer (CFO)

Through Martello Advisory Services Limited UK Filial, a closely affiliated person Officer
2,702
1.84
SEK4,972 		2,702 1.84 SEK4,972
2025-11-20 2025-11-19 B Purchase
1.3
Ulf Hammarmyr

Chief Financial Officer (CFO)

Through Martello Advisory Services Limited UK Filial, a closely affiliated person Officer
8,298
1.72
SEK14,273 		8,298 1.72 SEK14,273
2025-11-19 2025-11-19 B Purchase
3.1
Thomas Lindgren

Chief Executive Officer (CEO)/Managing Directory

Through AB Kronsvanen Investment och Förvaltning, a closely affiliated person Officer
20,000
1.71
SEK34,200 		20,000 1.71 SEK34,200
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