Devyser Diagnostics AB (DVYSR)

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Over the last 90 days, Devyser Diagnostics AB has seen significant insider buying, with a net value of 437,690 SEK. Executives contributed 310,787 SEK to this net buying. All six transactions recorded were purchases, indicating a strong positive sentiment from insiders.

Top insider buys (90, 60, 30d)

Top cluster buys (90d)

Top executive buys (90, 60, 30d)

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Stock chart

Ticker: DVYSR Exchange: STO

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

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Trades

Jan Wahlström

Chief Executive Officer (CEO)/Managing Directory

1 purchase — total 100,000 SEK

Buy 22 May 2026

Value SEK937,920.62 | Price 440.39 | Shares 20,119

Jan Wahlström

Chief Executive Officer (CEO)/Managing Directory

1 purchase — total 100,000 SEK

Buy 21 May 2026

Value SEK2,887,910.85 | Price 255.23 | Shares 55,914

Jan Wahlström

Chief Executive Officer (CEO)/Managing Directory

1 purchase — total 100,000 SEK

Buy 20 May 2026

Value SEK100,000.00 | Price 92.90 | Shares 1,000

Mia Arnhult

Chairman of the Board of Directors

1 purchase — total 38,500 SEK

Buy 20 Mar 2026

Value SEK38,500.00 | Price 77.00 | Shares 500

Mia Arnhult

Chairman of the Board of Directors

2 purchases — total 79,330 SEK

Buy 18 Mar 2026

Value SEK39,630.00 | Price 79.26 | Shares 500

Buy 18 Mar 2026

Value SEK39,700.00 | Price 79.40 | Shares 500

Jan Wahlström

Chief Executive Officer (CEO)/Managing Directory

1 purchase — total 301,770 SEK

Buy 18 Feb 2026

Value SEK301,770.00 | Price 100.59 | Shares 3,000

Mia Arnhult

Chairman of the Board of Directors

1 purchase — total 14,155 SEK

Buy 21 Nov 2025

Value SEK14,154.75 | Price 104.85 | Shares 135

Through M2 Asset Management AB, a closely affiliated person

Mia Arnhult

Chairman of the Board of Directors

1 purchase — total 1,554,874 SEK

Buy 7 Nov 2025

Value SEK1,554,873.60 | Price 110.40 | Shares 14,084

Through M2 Asset Management AB, a closely affiliated person

Jan Wahlström

Chief Executive Officer (CEO)/Managing Directory

1 purchase — total 431,730 SEK

Buy 5 Nov 2025

Value SEK431,730.00 | Price 105.30 | Shares 4,100

Jan Wahlström

Chief Executive Officer (CEO)/Managing Directory

1 purchase — total 508,682 SEK

Buy 1 Sep 2025

Value SEK508,681.80 | Price 151.80 | Shares 3,351

Mia Arnhult

Chairman of the Board of Directors

1 purchase — total 656,703 SEK

Buy 28 May 2025

Value SEK656,703.04 | Price 99.38 | Shares 6,608

Through M2 Asset Management AB, a closely affiliated person

Isabelle Ducellier

Member of the Board of Directors

1 purchase — total 46,500 SEK

Buy 23 May 2025

Value SEK46,500.00 | Price 100.00 | Shares 465

Fredrik Dahl

Chief Executive Officer (CEO)/Managing Directory, Member of the Board of Directors

1 purchase — total 1,058,000 SEK

Buy 7 May 2025

Value SEK1,058,000.00 | Price 105.80 | Shares 10,000

Mia Arnhult

Chairman of the Board of Directors

1 purchase — total 745,290 SEK

Buy 14 Mar 2025

Value SEK745,290.00 | Price 106.47 | Shares 7,000

Through M2 Asset Management AB, a closely affiliated person

Mia Arnhult

Chairman of the Board of Directors

1 purchase — total 57,355 SEK

Buy 10 Mar 2025

Value SEK57,355.00 | Price 114.71 | Shares 500

Mia Arnhult

Chairman of the Board of Directors

1 purchase — total 115,920 SEK

Buy 7 Mar 2025

Value SEK115,920.00 | Price 115.92 | Shares 1,000

Lars Höckenström

Member of the Board of Directors

1 sale — total 1,305,000 SEK

Sale 20 Feb 2025

Value SEK1,305,000.00 | Price 130.50 | Shares 10,000

Fredrik Alpsten

Chief Executive Officer (CEO)/Managing Directory

1 purchase — total 511,890 SEK

Buy 30 Oct 2024

Value SEK511,890.00 | Price 127.97 | Shares 4,000

Fredrik Alpsten

Chief Executive Officer (CEO)/Managing Directory

1 purchase — total 511,890 SEK

Buy 23 Jul 2024

Value SEK511,890.00 | Price 127.97 | Shares 4,000

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
2026-05-22	2026-05-22	B Purchase	2.6 Jan Wahlström Chief Executive Officer (CEO)/Managing Directory Officer	20,119 440.39 SEK937,921	20,119	440.39	SEK937,921
2026-05-22	2026-05-21	B Purchase	2.6 Jan Wahlström Chief Executive Officer (CEO)/Managing Directory Officer	55,914 255.23 SEK2,887,911	55,914	255.23	SEK2,887,911
2026-05-22	2026-05-20	B Purchase	2.6 Jan Wahlström Chief Executive Officer (CEO)/Managing Directory Officer	92,117 56.68 SEK4,069,149	92,117	56.68	SEK4,069,149
2026-03-20	2026-03-20	B Purchase	2.8 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	2.8 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	2.8 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	2.6 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	2.8 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
2025-11-11	2025-11-07	B Purchase	2.8 Mia Arnhult Chairman of the Board of Directors Through M2 Asset Management AB, a closely affiliated person Director	14,084 110.40 SEK1,554,874	14,084	110.40	SEK1,554,874
2025-11-07	2025-11-05	B Purchase	2.6 Jan Wahlström Chief Executive Officer (CEO)/Managing Directory Officer	4,100 105.30 SEK431,730	4,100	105.30	SEK431,730
2025-09-03	2025-09-01	B Purchase	2.6 Jan Wahlström Chief Executive Officer (CEO)/Managing Directory Officer	3,351 151.80 SEK508,682	3,351	151.80	SEK508,682
2025-05-30	2025-05-28	B Purchase	2.8 Mia Arnhult Chairman of the Board of Directors Through M2 Asset Management AB, a closely affiliated person Director	6,608 99.38 SEK656,703	6,608	99.38	SEK656,703
2025-05-25	2025-05-23	B Purchase	3.7 Isabelle Ducellier Member of the Board of Directors Director	465 100.00 SEK46,500	465	100.00	SEK46,500
2025-05-08	2025-05-07	B Purchase	3.3 Fredrik Dahl Chief Executive Officer (CEO)/Managing Directory, Member of the Board of Directors Executive Director	10,000 105.80 SEK1,058,000	10,000	105.80	SEK1,058,000
2025-03-17	2025-03-14	B Purchase	2.8 Mia Arnhult Chairman of the Board of Directors Through M2 Asset Management AB, a closely affiliated person Director	7,000 106.47 SEK745,290	7,000	106.47	SEK745,290
2025-03-11	2025-03-10	B Purchase	2.8 Mia Arnhult Chairman of the Board of Directors Director	500 114.71 SEK57,355	500	114.71	SEK57,355
2025-03-11	2025-03-07	B Purchase	2.8 Mia Arnhult Chairman of the Board of Directors Director	1,000 115.92 SEK115,920	1,000	115.92	SEK115,920
2025-02-21	2025-02-20	S Sale	2.8 Lars Höckenström Member of the Board of Directors Director	10,000 130.50 SEK1,305,000	10,000	130.50	SEK1,305,000
2024-10-30	2024-10-30	B Purchase	2.6 Fredrik Alpsten Chief Executive Officer (CEO)/Managing Directory Officer	4,000 127.97 SEK511,890	4,000	127.97	SEK511,890
2024-10-30	2024-07-23	B Purchase	2.6 Fredrik Alpsten Chief Executive Officer (CEO)/Managing Directory Officer	4,000 127.97 SEK511,890	4,000	127.97	SEK511,890