Bambuser AB (BUSER)

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Over the last 90 days, Bambuser AB has seen one insider transaction, a sale totaling 120,470 SEK. This contrasts with earlier periods showing significant buying activity from board members and executives, including substantial purchases by Carl Kinell and Joel Citron in February 2026. The stock has experienced strong performance, with a 98.5% increase in the last 90 days.

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Ticker: BUSER Exchange: STO

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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings

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Trades

Johan Rydmark

Member of the Board of Directors

1 sale — total 120,470 SEK

Sale 11 Mar 2026

Value SEK2,799,945.49 | Price 101.23 | Shares 61,373

Carl Kinell

Member of the Board of Directors

1 purchase — total 6,198,106 SEK

Buy 18 Feb 2026

Value SEK1,427,080.12 | Price 363.88 | Shares 35,737

Through Muirfield Invest Aktiebolag, a closely affiliated person

Joel Citron

Chairman of the Board of Directors

1 purchase — total 2,249,707 SEK

Buy 6 Feb 2026

Value SEK2,249,706.90 | Price 15.90 | Shares 141,491

Through Joel Citron, a closely affiliated person

Jonas Lagerström

Chief Financial Officer (CFO)

1 purchase — total 1,035,996 SEK

Buy 5 Feb 2026

Value SEK1,035,996.30 | Price 15.90 | Shares 65,157

Through Regnum Cognatio AB, a closely affiliated person

Carl Kinell

Member of the Board of Directors

1 purchase — total 1,957,449 SEK

Buy 2 Feb 2026

Value SEK1,957,449.00 | Price 15.90 | Shares 123,110

Through Muirfield Invest Aktiebolag, a closely affiliated person

Joel Citron

Chairman of the Board of Directors

1 purchase — total 862,925 SEK

Buy 30 Jan 2026

Value SEK862,924.80 | Price 15.90 | Shares 54,272

Through Joel Citron, a closely affiliated person

Maryam Ghahremani

Chief Executive Officer (CEO)/Managing Directory

3 purchases — total 304,008 SEK

Buy 30 Jan 2026

Value SEK128,710.50 | Price 15.90 | Shares 8,095

Buy 30 Jan 2026

Value SEK26,028.30 | Price 15.90 | Shares 1,637

Buy 30 Jan 2026

Value SEK149,269.20 | Price 15.90 | Shares 9,388

Jonas Lagerström

Chief Financial Officer (CFO)

3 purchases — total 241,903 SEK

Buy 30 Jan 2026

Value SEK10,414.50 | Price 15.90 | Shares 655

Buy 30 Jan 2026

Value SEK175,154.40 | Price 15.90 | Shares 11,016

Through Regnum Cognatio AB, a closely affiliated person

Buy 30 Jan 2026

Value SEK56,333.70 | Price 15.90 | Shares 3,543

Through Regnum Cognatio AB, a closely affiliated person

Carl Kinell

Member of the Board of Directors

1 purchase — total 489,417 SEK

Buy 4 Mar 2025

Value SEK489,417.06 | Price 0.66 | Shares 741,541

Through Muirfield Invest Aktiebolag, a closely affiliated person

Joel Citron

Chairman of the Board of Directors

1 purchase — total 890,000 SEK

Buy 13 Nov 2024

Value SEK890,000.00 | Price 0.89 | Shares 1,000,000

Muirfield Invest Aktiebolag

Member of the Board of Directors

1 purchase — total 675,029 SEK

Buy 18 Oct 2024

Value SEK675,028.51 | Price 0.89 | Shares 758,459

Through a closely affiliated person

Carl Kinell

Member of the Board of Directors

1 purchase — total 750,000 SEK

Buy 24 Jun 2024

Value SEK750,000.00 | Price 0.75 | Shares 1,000,000

Through Muirfield Invest Aktiebolag, a closely affiliated person

Jonas Lagerström

Chief Financial Officer (CFO)

1 purchase — total 1,672,500 SEK

Buy 24 Jun 2024

Value SEK1,672,500.00 | Price 0.75 | Shares 2,230,000

Through Regnum Cognatio AB, a closely affiliated person

Maryam Ghahremani

Chief Executive Officer (CEO)/Managing Directory

1 purchase — total 1,275,000 SEK

Buy 24 Jun 2024

Value SEK1,275,000.00 | Price 0.75 | Shares 1,700,000

Regnum Cognatio AB

Chief Financial Officer (CFO)

1 purchase — total 40,000 SEK

Buy 13 May 2024

Value SEK40,000.00 | Price 0.80 | Shares 50,000

Through a closely affiliated person

Regnum Cognatio AB

Chief Financial Officer (CFO)

1 purchase — total 80,000 SEK

Buy 10 May 2024

Value SEK80,000.00 | Price 0.80 | Shares 100,000

Through 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
2026-03-13	2026-03-11	S Sale	Johan Rydmark Member of the Board of Directors Director	61,373 101.23 SEK2,799,945	61,373	101.23	SEK2,799,945
2026-02-23	2026-02-18	B Purchase	4.3 Carl Kinell Member of the Board of Directors Through Muirfield Invest Aktiebolag, a closely affiliated person Director	35,737 363.88 SEK1,427,080	35,737	363.88	SEK1,427,080
2026-02-06	2026-02-06	B Purchase	3.3 Joel Citron Chairman of the Board of Directors Through Joel Citron, a closely affiliated person Director	7,993 355.44 SEK1,491,668	7,993	355.44	SEK1,491,668
2026-02-06	2026-02-05	B Purchase	3.9 Jonas Lagerström Chief Financial Officer (CFO) Through Regnum Cognatio AB, a closely affiliated person Officer	65,157 15.90 SEK1,035,996	65,157	15.90	SEK1,035,996
2026-02-03	2026-02-02	B Purchase	4.3 Carl Kinell Member of the Board of Directors Through Muirfield Invest Aktiebolag, a closely affiliated person Director	123,110 15.90 SEK1,957,449	123,110	15.90	SEK1,957,449
2026-02-04	2026-01-30	B Purchase	3.3 Joel Citron Chairman of the Board of Directors Through Joel Citron, a closely affiliated person Director	54,272 15.90 SEK862,925	54,272	15.90	SEK862,925
2026-02-03	2026-01-30	B Purchase	3.3 Maryam Ghahremani Chief Executive Officer (CEO)/Managing Directory Officer	8,095 15.90 SEK128,710	8,095	15.90	SEK128,710
2026-02-03	2026-01-30	B Purchase	3.3 Maryam Ghahremani Chief Executive Officer (CEO)/Managing Directory Officer	1,637 15.90 SEK26,028	1,637	15.90	SEK26,028
2026-02-03	2026-01-30	B Purchase	3.3 Maryam Ghahremani Chief Executive Officer (CEO)/Managing Directory Officer	9,388 15.90 SEK149,269	9,388	15.90	SEK149,269
2026-02-03	2026-01-30	B Purchase	3.9 Jonas Lagerström Chief Financial Officer (CFO) Officer	655 15.90 SEK10,414	655	15.90	SEK10,414
2026-02-03	2026-01-30	B Purchase	3.9 Jonas Lagerström Chief Financial Officer (CFO) Through Regnum Cognatio AB, a closely affiliated person Officer	11,016 15.90 SEK175,154	11,016	15.90	SEK175,154
2026-02-03	2026-01-30	B Purchase	3.9 Jonas Lagerström Chief Financial Officer (CFO) Through Regnum Cognatio AB, a closely affiliated person Officer	3,543 15.90 SEK56,334	3,543	15.90	SEK56,334
2025-03-05	2025-03-04	B Purchase	4.3 Carl Kinell Member of the Board of Directors Through Muirfield Invest Aktiebolag, a closely affiliated person Director	741,541 0.66 SEK489,417	741,541	0.66	SEK489,417
2024-11-19	2024-11-13	B Purchase	3.3 Joel Citron Chairman of the Board of Directors Director	1,000,000 0.89 SEK890,000	1,000,000	0.89	SEK890,000
2024-10-23	2024-10-18	B Purchase	4.0 Muirfield Invest Aktiebolag Member of the Board of Directors Through a closely affiliated person Director	758,459 0.89 SEK675,029	758,459	0.89	SEK675,029
2024-06-27	2024-06-24	B Purchase	4.3 Carl Kinell Member of the Board of Directors Through Muirfield Invest Aktiebolag, a closely affiliated person Director	1,000,000 0.75 SEK750,000	1,000,000	0.75	SEK750,000
2024-06-27	2024-06-24	B Purchase	3.9 Jonas Lagerström Chief Financial Officer (CFO) Through Regnum Cognatio AB, a closely affiliated person Officer	2,230,000 0.75 SEK1,672,500	2,230,000	0.75	SEK1,672,500
2024-06-27	2024-06-24	B Purchase	3.3 Maryam Ghahremani Chief Executive Officer (CEO)/Managing Directory Officer	1,700,000 0.75 SEK1,275,000	1,700,000	0.75	SEK1,275,000
2024-05-14	2024-05-13	B Purchase	2.4 Regnum Cognatio AB Chief Financial Officer (CFO) Through a closely affiliated person Officer	50,000 0.80 SEK40,000	50,000	0.80	SEK40,000
2024-05-14	2024-05-10	B Purchase	2.4 Regnum Cognatio AB Chief Financial Officer (CFO) Through a closely affiliated person Officer	100,000 0.80 SEK80,000	100,000	0.80	SEK80,000