Sweden Semiconductors & Semiconductor Equipment

Silex Microsystems AB (SILEX)

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Silex Microsystems AB experienced significant insider trading activity during May 2026. The most recent transaction occurred on May 22, 2026, involving a board member purchase. Earlier that month, multiple executives and directors engaged in substantial buying, alongside limited selling activity by administrative personnel, reflecting varied participation across leadership levels.
Ticker: SILEX Exchange: STO
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
No insider activity signals detected

Insider trades have not triggered unusual activity signals for this company.

Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
2.4
John Hedberg Member of the Board of Directors Director
Through Creades AB (publ), a closely affiliated person
Transaction date
Purchase
Price
415.16
Quantity 95,300
Value SEK4,826,129
3.3
Joakim Pedersen Other member of the company's administrative, management or supervisory body
Through Anna Juhlin, a closely affiliated person
Transaction date
Sale
Price
490.03
Quantity 83,981
Value SEK4,554,869
3.3
Joakim Pedersen Other member of the company's administrative, management or supervisory body
Through Joakim Pedersen, a closely affiliated person
Transaction date
Sale
Price
367.36
Quantity 31,809
Value SEK1,962,112
3.3
Joakim Pedersen Other member of the company's administrative, management or supervisory body
Through Joakim Pedersen, a closely affiliated person
Transaction date
Sale
Price
341.30
Quantity 292
Value SEK99,660
3.3
Joakim Pedersen Other member of the company's administrative, management or supervisory body
Through Joakim Pedersen, a closely affiliated person
Transaction date
Purchase
Price
81.00
Quantity 1,234
Value SEK99,954
Edvard Kälvesten Chief Executive Officer (CEO)/Managing Directory Officer
Through Anna Kälvesten Löfvendal, a closely affiliated person
Transaction date
Purchase
Price
81.00
Quantity 4,900
Value SEK396,900
Edvard Kälvesten Chief Executive Officer (CEO)/Managing Directory Officer
Through Edvard Kälvesten, a closely affiliated person
Transaction date
Purchase
Price
81.00
Quantity 4,900
Value SEK396,900
3.3
Joakim Pedersen Other member of the company's administrative, management or supervisory body
Through Anna Juhlin, a closely affiliated person
Transaction date
Purchase
Price
81.00
Quantity 1,234
Value SEK99,954
2.4
John Hedberg Member of the Board of Directors Director
Through Creades AB (publ), a closely affiliated person
Transaction date
Purchase
Price
81.00
Quantity 1,239,916
Value SEK100,433,196
3.3
Joakim Pedersen Other member of the company's administrative, management or supervisory body
Transaction date
Purchase
Price
81.00
Quantity 370
Value SEK29,970
3.3
Joakim Pedersen Other member of the company's administrative, management or supervisory body
Through Joakim Pedersen, a closely affiliated person
Transaction date
Purchase
Price
81.00
Quantity 1,234
Value SEK99,954
Ulf Arvid Cedergren Other senior executive Officer
Transaction date
Purchase
Price
81.00
Quantity 12,345
Value SEK999,945
Tomas Bauer Other senior executive Officer
Transaction date
Purchase
Price
81.00
Quantity 12,715
Value SEK1,029,915
1.3
Maria Engström Chief Financial Officer (CFO) Officer
Transaction date
Purchase
Price
81.00
Quantity 2,839
Value SEK229,959
Niklas Svedin Other member of the company's administrative, management or supervisory body
Transaction date
Purchase
Price
81.00
Quantity 12,345
Value SEK999,945
Edvard Kälvesten Chief Executive Officer (CEO)/Managing Directory Officer
Transaction date
Purchase
Price
81.00
Quantity 30,864
Value SEK2,499,984
Edvard Kälvesten Chief Executive Officer (CEO)/Managing Directory Officer
Through Edvard Kälvesten, a closely affiliated person
Transaction date
Purchase
Price
81.00
Quantity 4,900
Value SEK396,900
3.0
Per Anders Lindqvist Member of the Board of Directors Director
Transaction date
Purchase
Price
81.00
Quantity 12,300
Value SEK996,300
3.5
Annette Kumlien Member of the Board of Directors Director
Transaction date
Purchase
Price
81.00
Quantity 12,345
Value SEK999,945
Lars Hagdahl Member of the Board of Directors Director
Transaction date
Purchase
Price
81.00
Quantity 12,345
Value SEK999,945
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-05-25 2026-05-22 B Purchase
2.4
John Hedberg

Member of the Board of Directors

Through Creades AB (publ), a closely affiliated person Director
95,300
415.16
SEK4,826,129 		95,300 415.16 SEK4,826,129
2026-05-11 2026-05-08 S Sale
3.3
Joakim Pedersen

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

Through Anna Juhlin, a closely affiliated person
83,981
490.03
SEK4,554,869 		83,981 490.03 SEK4,554,869
2026-05-11 2026-05-08 S Sale
3.3
Joakim Pedersen

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

Through Joakim Pedersen, a closely affiliated person
31,809
367.36
SEK1,962,112 		31,809 367.36 SEK1,962,112
2026-05-09 2026-05-08 S Sale
3.3
Joakim Pedersen

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

Through Joakim Pedersen, a closely affiliated person
292
341.30
SEK99,660 		292 341.30 SEK99,660
2026-05-11 2026-05-07 B Purchase
3.3
Joakim Pedersen

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

Through Joakim Pedersen, a closely affiliated person
1,234
81.00
SEK99,954 		1,234 81.00 SEK99,954
2026-05-11 2026-05-07 B Purchase
Edvard Kälvesten

Chief Executive Officer (CEO)/Managing Directory

Through Anna Kälvesten Löfvendal, a closely affiliated person Officer
4,900
81.00
SEK396,900 		4,900 81.00 SEK396,900
2026-05-11 2026-05-07 B Purchase
Edvard Kälvesten

Chief Executive Officer (CEO)/Managing Directory

Through Edvard Kälvesten, a closely affiliated person Officer
4,900
81.00
SEK396,900 		4,900 81.00 SEK396,900
2026-05-11 2026-05-07 B Purchase
3.3
Joakim Pedersen

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

Through Anna Juhlin, a closely affiliated person
1,234
81.00
SEK99,954 		1,234 81.00 SEK99,954
2026-05-10 2026-05-07 B Purchase
2.4
John Hedberg

Member of the Board of Directors

Through Creades AB (publ), a closely affiliated person Director
1,239,916
81.00
SEK100,433,196 		1,239,916 81.00 SEK100,433,196
2026-05-09 2026-05-07 B Purchase
3.3
Joakim Pedersen

Other member of the company's administrative, management or supervisory body
370
81.00
SEK29,970 		370 81.00 SEK29,970
2026-05-09 2026-05-07 B Purchase
3.3
Joakim Pedersen

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

Through Joakim Pedersen, a closely affiliated person
1,234
81.00
SEK99,954 		1,234 81.00 SEK99,954
2026-05-08 2026-05-07 B Purchase
Ulf Arvid Cedergren

Other senior executive

Officer
12,345
81.00
SEK999,945 		12,345 81.00 SEK999,945
2026-05-08 2026-05-07 B Purchase
Tomas Bauer

Other senior executive

Officer
12,715
81.00
SEK1,029,915 		12,715 81.00 SEK1,029,915
2026-05-08 2026-05-07 B Purchase
1.3
Maria Engström

Chief Financial Officer (CFO)

Officer
2,839
81.00
SEK229,959 		2,839 81.00 SEK229,959
2026-05-08 2026-05-07 B Purchase
Niklas Svedin

Other member of the company's administrative, management or supervisory body
12,345
81.00
SEK999,945 		12,345 81.00 SEK999,945
2026-05-08 2026-05-07 B Purchase
Edvard Kälvesten

Chief Executive Officer (CEO)/Managing Directory

Officer
30,864
81.00
SEK2,499,984 		30,864 81.00 SEK2,499,984
2026-05-08 2026-05-07 B Purchase
Edvard Kälvesten

Chief Executive Officer (CEO)/Managing Directory

Through Edvard Kälvesten, a closely affiliated person Officer
4,900
81.00
SEK396,900 		4,900 81.00 SEK396,900
2026-05-08 2026-05-07 B Purchase
3.0
Per Anders Lindqvist

Member of the Board of Directors

Director
12,300
81.00
SEK996,300 		12,300 81.00 SEK996,300
2026-05-08 2026-05-07 B Purchase
3.5
Annette Kumlien

Member of the Board of Directors

Director
12,345
81.00
SEK999,945 		12,345 81.00 SEK999,945
2026-05-07 2026-05-07 B Purchase
Lars Hagdahl

Member of the Board of Directors

Director
12,345
81.00
SEK999,945 		12,345 81.00 SEK999,945
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