Serstech AB (SERT)

The most recent insider trading activity occurred on February 25, 2026, with a BUY transaction by Nicklas Johansson, Chairman of the Board. Prior to this, several BUY transactions were made by Nicklas Johansson and other board members and the CEO in late 2025 and early 2026. All recorded transactions within this period were purchases.
Stock chart
Ticker: SERT Exchange: STO


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Purchase Sale Planned purchase Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Nicklas Johansson
Chairman of the Board of Directors
1 purchase — total 111,731 SEK
Buy 25 Feb 2026
Value SEK3,051,376.60 | Price 442.45 | Shares 87,630
Buy 20 Feb 2026
Value SEK311,113.54 | Price 53.64 | Shares 39,170
Buy 13 Feb 2026
Value SEK19,222.50 | Price 8.25 | Shares 2,330
Buy 17 Dec 2025
Value SEK42,750.00 | Price 0.57 | Shares 75,000
Buy 15 Dec 2025
Value SEK14,250.00 | Price 0.57 | Shares 25,000
Buy 18 Nov 2025
Value SEK49,376.70 | Price 12.45 | Shares 3,966
Buy 3 Sep 2025
Value SEK500,000.00 | Price 0.50 | Shares 1,000,000
Buy 2 Sep 2025
Value SEK15,869.14 | Price 0.49 | Shares 32,386
Buy 2 Sep 2025
Value SEK33,800.00 | Price 16.90 | Shares 2,000
Buy 26 Aug 2025
Value SEK49,999.95 | Price 0.55 | Shares 90,909
Buy 11 Aug 2025
Value SEK49,999.84 | Price 0.63 | Shares 79,491
Buy 7 Aug 2025
Value SEK52,098.80 | Price 17.20 | Shares 3,029
Buy 6 Aug 2025
Value SEK36,531.00 | Price 16.50 | Shares 2,214
Buy 5 Aug 2025
Value SEK28,900.00 | Price 17.00 | Shares 1,700
Buy 4 Aug 2025
Value SEK51,000.00 | Price 17.00 | Shares 3,000
Buy 29 Jul 2025
Value SEK32,000.00 | Price 16.00 | Shares 2,000
Buy 25 Jul 2025
Value SEK73,600.00 | Price 16.00 | Shares 4,600
Buy 23 Jul 2025
Value SEK128,584.50 | Price 16.50 | Shares 7,793
Buy 23 Jul 2025
Value SEK25,309.20 | Price 16.10 | Shares 1,572
Buy 23 Jul 2025
Value SEK82,000.00 | Price 16.40 | Shares 5,000
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 Details
2026-02-25 2026-02-25 B Purchase

Chairman of the Board of Directors

Director
87,630
442.45
SEK3,051,377
87,630 442.45 SEK3,051,377
2026-02-22 2026-02-20 B Purchase

Chairman of the Board of Directors

Director
39,170
53.64
SEK311,114
39,170 53.64 SEK311,114
2026-02-16 2026-02-13 B Purchase

Chairman of the Board of Directors

Director
30,864
185.28
SEK3,027,219
30,864 185.28 SEK3,027,219
2025-12-17 2025-12-17 B Purchase

Member of the Board of Directors

Director
75,000
0.57
SEK42,750
75,000 0.57 SEK42,750
2025-12-18 2025-12-15 B Purchase

Member of the Board of Directors

Director
25,000
0.57
SEK14,250
25,000 0.57 SEK14,250
2025-11-18 2025-11-18 B Purchase

Chairman of the Board of Directors

Director
3,966
12.45
SEK49,377
3,966 12.45 SEK49,377
2025-09-03 2025-09-03 B Purchase

Chief Executive Officer (CEO)/Managing Directory

Officer
1,000,000
0.50
SEK500,000
1,000,000 0.50 SEK500,000
2025-09-03 2025-09-02 B Purchase

Chief Executive Officer (CEO)/Managing Directory

Officer
32,386
0.49
SEK15,869
32,386 0.49 SEK15,869
2025-09-02 2025-09-02 B Purchase

Member of the Board of Directors

Director
2,000
16.90
SEK33,800
2,000 16.90 SEK33,800
2025-08-29 2025-08-26 B Purchase

Member of the Board of Directors

Director
90,909
0.55
SEK50,000
90,909 0.55 SEK50,000
2025-08-29 2025-08-11 B Purchase

Member of the Board of Directors

Director
79,491
0.63
SEK50,000
79,491 0.63 SEK50,000
2025-08-10 2025-08-07 B Purchase

Chairman of the Board of Directors

Director
3,029
17.20
SEK52,099
3,029 17.20 SEK52,099
2025-08-10 2025-08-06 B Purchase

Chairman of the Board of Directors

Director
2,214
16.50
SEK36,531
2,214 16.50 SEK36,531
2025-08-07 2025-08-05 B Purchase

Chairman of the Board of Directors

Director
1,700
17.00
SEK28,900
1,700 17.00 SEK28,900
2025-08-07 2025-08-04 B Purchase

Chairman of the Board of Directors

Director
3,000
17.00
SEK51,000
3,000 17.00 SEK51,000
2025-08-01 2025-07-29 B Purchase

Member of the Board of Directors

Director
2,000
16.00
SEK32,000
2,000 16.00 SEK32,000
2025-07-27 2025-07-25 B Purchase

Chairman of the Board of Directors

Director
4,600
16.00
SEK73,600
4,600 16.00 SEK73,600
2025-07-25 2025-07-23 B Purchase

Chairman of the Board of Directors

Director
7,793
16.50
SEK128,584
7,793 16.50 SEK128,584
2025-07-25 2025-07-23 B Purchase

Chairman of the Board of Directors

Director
1,572
16.10
SEK25,309
1,572 16.10 SEK25,309
2025-07-25 2025-07-23 B Purchase

Chairman of the Board of Directors

Director
5,000
16.40
SEK82,000
5,000 16.40 SEK82,000
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