Sweden Biotechnology & Medical Research

Devyser Diagnostics AB (DVYSR)

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Devyser Diagnostics AB witnessed significant insider trading activity recently, with twelve buy transactions totaling over 2.75 million SEK. Chairman Mia Arnhult and CEO Jan Wahlström acquired shares following a challenging earnings report. These purchases occurred amidst a 33.8% decline in stock value over the past ninety days, reflecting notable leadership confidence despite market volatility.
Ticker: DVYSR 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 Devyser Diagnostics AB. Upgrade to see score, net flow, insiders and the full signal context.

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Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
2.7
Mia Arnhult Chairman of the Board of Directors Director
Through M2 Asset Management AB, a closely affiliated person
Transaction date
Purchase
Price
223.34
Quantity 70,162
Value SEK3,294,222
2.7
Mia Arnhult Chairman of the Board of Directors Director
Through M2 Asset Management AB, a closely affiliated person
Transaction date
Purchase
Price
182.26
Quantity 71,167
Value SEK1,224,351
2.7
Mia Arnhult Chairman of the Board of Directors Director
Through M2 Asset Management AB, a closely affiliated person
Transaction date
Purchase
Price
496.04
Quantity 11,959
Value SEK4,532,459
2.7
Mia Arnhult Chairman of the Board of Directors Director
Through M2 Asset Management AB, a closely affiliated person
Transaction date
Purchase
Price
65.80
Quantity 250
Value SEK16,450
2.7
Mia Arnhult Chairman of the Board of Directors Director
Through M2 Asset Management AB, a closely affiliated person
Transaction date
Purchase
Price
65.40
Quantity 2,533
Value SEK165,658
2.7
Mia Arnhult Chairman of the Board of Directors Director
Through M2 Asset Management AB, a closely affiliated person
Transaction date
Purchase
Price
66.98
Quantity 7,944
Value SEK532,089
2.7
Mia Arnhult Chairman of the Board of Directors Director
Through M2 Asset Management AB, a closely affiliated person
Transaction date
Purchase
Price
64.62
Quantity 14,364
Value SEK928,202
2.7
Mia Arnhult Member of the Board of Directors Director
Through M2 Asset Management AB, a closely affiliated person
Transaction date
Purchase
Price
61.64
Quantity 1,545
Value SEK95,234
2.7
Mia Arnhult Chairman of the Board of Directors Director
Transaction date
Purchase
Price
62.40
Quantity 2,000
Value SEK124,800
2.7
Mia Arnhult Chairman of the Board of Directors Director
Transaction date
Purchase
Price
61.80
Quantity 1,500
Value SEK92,700
2.5
Jan Wahlström Chief Executive Officer (CEO)/Managing Directory Officer
Transaction date
Purchase
Price
66.09
Quantity 2,000
Value SEK132,171
2.5
Jan Wahlström Chief Executive Officer (CEO)/Managing Directory Officer
Transaction date
Purchase
Price
66.28
Quantity 3,000
Value SEK198,840
2.5
Jan Wahlström Chief Executive Officer (CEO)/Managing Directory Officer
Transaction date
Purchase
Price
96.51
Quantity 1,000
Value SEK96,514
2.5
Jan Wahlström Chief Executive Officer (CEO)/Managing Directory Officer
Transaction date
Purchase
Price
94.90
Quantity 2,000
Value SEK189,792
2.5
Jan Wahlström Chief Executive Officer (CEO)/Managing Directory Officer
Transaction date
Purchase
Price
92.90
Quantity 45
Value SEK4,180
2.7
Mia Arnhult Chairman of the Board of Directors Director
Transaction date
Purchase
Price
77.00
Quantity 500
Value SEK38,500
2.7
Mia Arnhult Chairman of the Board of Directors Director
Transaction date
Purchase
Price
79.26
Quantity 500
Value SEK39,630
2.7
Mia Arnhult Chairman of the Board of Directors Director
Transaction date
Purchase
Price
79.40
Quantity 500
Value SEK39,700
2.5
Jan Wahlström Chief Executive Officer (CEO)/Managing Directory Officer
Transaction date
Purchase
Price
100.59
Quantity 3,000
Value SEK301,770
2.7
Mia Arnhult Chairman of the Board of Directors Director
Through M2 Asset Management AB, a closely affiliated person
Transaction date
Purchase
Price
104.85
Quantity 135
Value SEK14,155
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-09-03 2026-09-03 B Purchase
2.7
Mia Arnhult

Chairman of the Board of Directors

Through M2 Asset Management AB, a closely affiliated person Director
70,162
223.34
SEK3,294,222 		70,162 223.34 SEK3,294,222
2026-08-25 2026-08-25 B Purchase
2.7
Mia Arnhult

Chairman of the Board of Directors

Through M2 Asset Management AB, a closely affiliated person Director
71,167
182.26
SEK1,224,351 		71,167 182.26 SEK1,224,351
2026-08-12 2026-08-11 B Purchase
2.7
Mia Arnhult

Chairman of the Board of Directors

Through M2 Asset Management AB, a closely affiliated person Director
11,959
496.04
SEK4,532,459 		11,959 496.04 SEK4,532,459
2026-08-05 2026-08-04 B Purchase
2.7
Mia Arnhult

Chairman of the Board of Directors

Through M2 Asset Management AB, a closely affiliated person Director
250
65.80
SEK16,450 		250 65.80 SEK16,450
2026-08-05 2026-07-31 B Purchase
2.7
Mia Arnhult

Chairman of the Board of Directors

Through M2 Asset Management AB, a closely affiliated person Director
2,533
65.40
SEK165,658 		2,533 65.40 SEK165,658
2026-07-30 2026-07-28 B Purchase
2.7
Mia Arnhult

Chairman of the Board of Directors

Through M2 Asset Management AB, a closely affiliated person Director
7,944
66.98
SEK532,089 		7,944 66.98 SEK532,089
2026-07-30 2026-07-27 B Purchase
2.7
Mia Arnhult

Chairman of the Board of Directors

Through M2 Asset Management AB, a closely affiliated person Director
14,364
64.62
SEK928,202 		14,364 64.62 SEK928,202
2026-07-29 2026-07-24 B Purchase
2.7
Mia Arnhult

Member of the Board of Directors

Through M2 Asset Management AB, a closely affiliated person Director
1,545
61.64
SEK95,234 		1,545 61.64 SEK95,234
2026-07-28 2026-07-24 B Purchase
2.7
Mia Arnhult

Chairman of the Board of Directors

Director
2,000
62.40
SEK124,800 		2,000 62.40 SEK124,800
2026-07-28 2026-07-24 B Purchase
2.7
Mia Arnhult

Chairman of the Board of Directors

Director
1,500
61.80
SEK92,700 		1,500 61.80 SEK92,700
2026-07-22 2026-07-20 B Purchase
2.5
Jan Wahlström

Chief Executive Officer (CEO)/Managing Directory

Officer
2,000
66.09
SEK132,171 		2,000 66.09 SEK132,171
2026-07-22 2026-07-20 B Purchase
2.5
Jan Wahlström

Chief Executive Officer (CEO)/Managing Directory

Officer
3,000
66.28
SEK198,840 		3,000 66.28 SEK198,840
2026-05-22 2026-05-22 B Purchase
2.5
Jan Wahlström

Chief Executive Officer (CEO)/Managing Directory

Officer
1,000
96.51
SEK96,514 		1,000 96.51 SEK96,514
2026-05-22 2026-05-21 B Purchase
2.5
Jan Wahlström

Chief Executive Officer (CEO)/Managing Directory

Officer
2,000
94.90
SEK189,792 		2,000 94.90 SEK189,792
2026-05-22 2026-05-20 B Purchase
2.5
Jan Wahlström

Chief Executive Officer (CEO)/Managing Directory

Officer
45
92.90
SEK4,180 		45 92.90 SEK4,180
2026-03-20 2026-03-20 B Purchase
2.7
Mia Arnhult

Chairman of the Board of Directors

Director
500
77.00
SEK38,500 		500 77.00 SEK38,500
2026-03-20 2026-03-18 B Purchase
2.7
Mia Arnhult

Chairman of the Board of Directors

Director
500
79.26
SEK39,630 		500 79.26 SEK39,630
2026-03-20 2026-03-18 B Purchase
2.7
Mia Arnhult

Chairman of the Board of Directors

Director
500
79.40
SEK39,700 		500 79.40 SEK39,700
2026-02-19 2026-02-18 B Purchase
2.5
Jan Wahlström

Chief Executive Officer (CEO)/Managing Directory

Officer
3,000
100.59
SEK301,770 		3,000 100.59 SEK301,770
2025-11-25 2025-11-21 B Purchase
2.7
Mia Arnhult

Chairman of the Board of Directors

Through M2 Asset Management AB, a closely affiliated person Director
135
104.85
SEK14,155 		135 104.85 SEK14,155
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