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BioArctic AB (BIOA-B)

The most recent insider trading activity occurred on February 18, 2026, with multiple 'SELL' transactions by executives and board members. Notably, significant sell-offs were also recorded in December 2025 and September 2025 by board members. A single 'BUY' transaction by an executive was observed in December 2025.
Stock chart
Ticker: BIOA-B Exchange: STO


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Purchase Sale Planned purchase Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Gunilla Osswald
Chief Executive Officer (CEO)/Managing Directory
1 sale — total 3,597,700 SEK
Sale 18 Feb 2026
Value SEK4,975,664.22 | Price 222.43 | Shares 29,252
Sale 18 Feb 2026
Value SEK2,330,253.17 | Price 143.55 | Shares 56,390
Sale 18 Dec 2025
Value SEK53,862,500.00 | Price 310.00 | Shares 173,750
Through Demban AB, a closely affiliated person
Sale 18 Dec 2025
Value SEK53,862,500.00 | Price 310.00 | Shares 173,750
Through Ackelsta AB, a closely affiliated person
Buy 12 Dec 2025
Value SEK159,200.00 | Price 318.40 | Shares 500
Sale 11 Dec 2025
Value SEK158,200.00 | Price 316.40 | Shares 500
Sale 4 Dec 2025
Value SEK319,600.00 | Price 319.60 | Shares 1,000
Sale 3 Sep 2025
Value SEK360,000,000.00 | Price 300.00 | Shares 1,200,000
Through Ackelsta AB, a closely affiliated person
Sale 3 Sep 2025
Value SEK360,000,000.00 | Price 300.00 | Shares 1,200,000
Through Demban AB, a closely affiliated person
Sale 28 Aug 2025
Value SEK3,018,686.00 | Price 301.87 | Shares 10,000
Sale 28 Aug 2025
Value SEK3,018,686.00 | Price 301.87 | Shares 10,000
Sale 28 Aug 2025
Value SEK905,605.80 | Price 301.87 | Shares 3,000
Sale 28 Aug 2025
Value SEK905,605.80 | Price 301.87 | Shares 3,000
Sale 28 Aug 2025
Value SEK600,851.00 | Price 287.90 | Shares 2,087
Sale 28 Aug 2025
Value SEK3,100,419.00 | Price 289.41 | Shares 10,713
Sale 28 Aug 2025
Value SEK9,056,058.00 | Price 301.87 | Shares 30,000
Sale 28 Aug 2025
Value SEK600,851.00 | Price 287.90 | Shares 2,087
Sale 28 Aug 2025
Value SEK1,207,474.40 | Price 301.87 | Shares 4,000
Sale 28 Aug 2025
Value SEK885,600.00 | Price 295.20 | Shares 3,000
Sale 28 Aug 2025
Value SEK290,957.20 | Price 309.20 | Shares 941
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
2026-02-20 2026-02-18 S Sale

Chief Executive Officer (CEO)/Managing Directory

Officer
29,252
222.43
SEK4,975,664
29,252 222.43 SEK4,975,664
2026-02-20 2026-02-18 S Sale

Other member of the company's administrative, management or supervisory body

56,390
143.55
SEK2,330,253
56,390 143.55 SEK2,330,253
2025-12-19 2025-12-18 S Sale

Member of the Board of Directors

Through Demban AB, a closely affiliated person Director
61,835
195.43
SEK1,726,947
61,835 195.43 SEK1,726,947
2025-12-19 2025-12-18 S Sale

Member of the Board of Directors

Through Ackelsta AB, a closely affiliated person Director
173,750
310.00
SEK53,862,500
173,750 310.00 SEK53,862,500
2025-12-12 2025-12-12 B Purchase

Other member of the company's administrative, management or supervisory body

500
318.40
SEK159,200
500 318.40 SEK159,200
2025-12-12 2025-12-11 S Sale

Other member of the company's administrative, management or supervisory body

500
316.40
SEK158,200
500 316.40 SEK158,200
2025-12-04 2025-12-04 S Sale

Other member of the company's administrative, management or supervisory body

1,000
319.60
SEK319,600
1,000 319.60 SEK319,600
2025-09-05 2025-09-03 S Sale

Member of the Board of Directors

Through Ackelsta AB, a closely affiliated person Director
1,200,000
300.00
SEK360,000,000
1,200,000 300.00 SEK360,000,000
2025-09-05 2025-09-03 S Sale

Member of the Board of Directors

Through Demban AB, a closely affiliated person Director
1,200,000
300.00
SEK360,000,000
1,200,000 300.00 SEK360,000,000
2025-09-01 2025-08-28 S Sale

Other member of the company's administrative, management or supervisory body

10,000
301.87
SEK3,018,686
10,000 301.87 SEK3,018,686
2025-09-01 2025-08-28 S Sale

Other member of the company's administrative, management or supervisory body

3,000
301.87
SEK905,606
3,000 301.87 SEK905,606
2025-09-01 2025-08-28 S Sale

Chief Executive Officer (CEO)/Managing Directory

Officer
2,087
287.90
SEK600,851
2,087 287.90 SEK600,851
2025-09-01 2025-08-28 S Sale

Chief Executive Officer (CEO)/Managing Directory

Officer
10,713
289.41
SEK3,100,419
10,713 289.41 SEK3,100,419
2025-09-01 2025-08-28 S Sale

Chief Executive Officer (CEO)/Managing Directory

Officer
30,000
301.87
SEK9,056,058
30,000 301.87 SEK9,056,058
2025-08-31 2025-08-28 S Sale

Other member of the company's administrative, management or supervisory body

4,000
301.87
SEK1,207,474
4,000 301.87 SEK1,207,474
2025-08-31 2025-08-28 S Sale

Other member of the company's administrative, management or supervisory body

3,000
295.20
SEK885,600
3,000 295.20 SEK885,600
2025-08-31 2025-08-28 S Sale

Other member of the company's administrative, management or supervisory body

941
309.20
SEK290,957
941 309.20 SEK290,957
2025-08-29 2025-08-28 S Sale

Other member of the company's administrative, management or supervisory body

3,000
301.87
SEK905,606
3,000 301.87 SEK905,606
2025-08-29 2025-08-28 S Sale

Other member of the company's administrative, management or supervisory body

10,000
301.87
SEK3,018,686
10,000 301.87 SEK3,018,686
2025-08-29 2025-08-28 S Sale

Chief Executive Officer (CEO)/Managing Directory

Officer
2,087
287.90
SEK600,851
2,087 287.90 SEK600,851