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United States Renewable Energy

SeaTwirl AB (publ) (STW)

Track

The most recent insider trading activity occurred on September 11, 2025, with a significant SELL transaction by the CFO. Prior to this, several BUY transactions were noted from the CEO and Chairman of the Board in February and March 2024. The total value of these transactions indicates varied insider sentiment.
Stock chart
Ticker: STW Exchange: STO
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Mats Hult
Chief Financial Officer (CFO)
1 sale — total 588,000 SEK
Sale 11 Sep 2025
Value SEK4,858,546.41 | Price 142.61 | Shares 17,380
Buy 21 Aug 2025
Value SEK1,582,531.14 | Price 452.33 | Shares 21,665
Buy 19 Mar 2024
Value SEK9,622.20 | Price 15.80 | Shares 609
Buy 19 Mar 2024
Value SEK36,821.40 | Price 15.40 | Shares 2,391
Buy 19 Mar 2024
Value SEK45,270.00 | Price 15.09 | Shares 3,000
Buy 18 Mar 2024
Value SEK19,995.00 | Price 15.50 | Shares 1,290
Buy 15 Mar 2024
Value SEK73,872.00 | Price 16.00 | Shares 4,617
Buy 1 Mar 2024
Value SEK30,870.00 | Price 17.15 | Shares 1,800
Buy 28 Feb 2024
Value SEK27,999.40 | Price 17.80 | Shares 1,573
Buy 23 Feb 2024
Value SEK44,400.00 | Price 17.76 | Shares 2,500
Buy 12 Feb 2024
Value SEK106,643.42 | Price 18.46 | Shares 5,777
Buy 9 Feb 2024
Value SEK19,998.50 | Price 17.39 | Shares 1,150
Buy 9 Feb 2024
Value SEK19,998.50 | Price 17.39 | Shares 1,150
Buy 9 Feb 2024
Value SEK49,589.76 | Price 17.61 | Shares 2,816
Buy 8 Feb 2024
Value SEK45,396.00 | Price 17.46 | Shares 2,600
Buy 13 Dec 2023
Value SEK41,688.00 | Price 18.00 | Shares 2,316
Buy 14 Jun 2023
Value SEK0.00 | Price 0.00 | Shares 84,000
Buy 7 Jun 2023
Value SEK24,992.55 | Price 22.95 | Shares 1,089
Buy 7 Jun 2023
Value SEK22,500.00 | Price 22.50 | Shares 1,000
Sale 2 Jun 2023
Value SEK16,000.00 | Price 1.60 | Shares 10,000
Through a closely affiliated person
Sale 30 May 2023
Value SEK19,430.00 | Price 29.00 | Shares 670
Buy 24 May 2023
Value SEK49,988.40 | Price 27.05 | Shares 1,848
Buy 11 May 2023
Value SEK46,698.30 | Price 23.85 | Shares 1,958
Buy 9 May 2023
Value SEK106,558.26 | Price 22.98 | Shares 4,637
Buy 2 May 2023
Value SEK33,254.25 | Price 21.95 | Shares 1,515
Buy 28 Apr 2023
Value SEK17,143.00 | Price 21.70 | Shares 790
Buy 28 Apr 2023
Value SEK14,820.40 | Price 22.12 | Shares 670
Buy 30 Jan 2023
Value SEK100,000.00 | Price 40.00 | Shares 2,500
Buy 26 Jan 2023
Value SEK1,131,440.00 | Price 40.00 | Shares 28,286
Buy 25 Jan 2023
Value SEK114,560.00 | Price 40.00 | Shares 2,864
Buy 25 Jan 2023
Value SEK35,440.00 | Price 40.00 | Shares 886
Through a closely affiliated person
Buy 23 Jan 2023
Value SEK13,880.00 | Price 40.00 | Shares 347
Buy 23 Jan 2023
Value SEK120,000.00 | Price 40.00 | Shares 3,000
Buy 19 Jan 2023
Value SEK500,000.00 | Price 40.00 | Shares 12,500
Through Optiga AB, a closely affiliated person
Buy 18 Jan 2023
Value SEK19,295,480.00 | Price 40.00 | Shares 482,387
Through Knut Claessons och Caroline von Otter-Claessons Stiftelse, a closely affiliated person
Sale 16 Jan 2023
Value SEK10,183.04 | Price 0.04 | Shares 254,576
Through Dan Friberg, a closely affiliated person
Sale 16 Jan 2023
Value SEK1,981.23 | Price 0.03 | Shares 66,041
Sale 25 Nov 2022
Value SEK279,158.40 | Price 64.80 | Shares 4,308
Buy 26 Nov 2021
Value SEK2,863,980.00 | Price 180.00 | Shares 15,911
Through Dan Friberg, a closely affiliated person
Buy 25 Nov 2021
Value SEK43,380.00 | Price 180.00 | Shares 241
Through PeCeLa Sun AB, a closely affiliated person
Buy 25 Nov 2021
Value SEK289,980.00 | Price 180.00 | Shares 1,611
Through Peter Laurits, a closely affiliated person
Buy 24 Nov 2021
Value SEK86,400.00 | Price 180.00 | Shares 480
Buy 24 Nov 2021
Value SEK143,460.00 | Price 180.00 | Shares 797
Through Trinda Energy AB, a closely affiliated person
Buy 24 Nov 2021
Value SEK50,040.00 | Price 180.00 | Shares 278
Through Charlotte Bergqvist, a closely affiliated person
Buy 24 Nov 2021
Value SEK786,780.00 | Price 180.00 | Shares 4,371
Through Mats Hult, a closely affiliated person
Buy 23 Nov 2021
Value SEK468,000.00 | Price 180.00 | Shares 2,600
Through Optiga AB, a closely affiliated person
Buy 17 Nov 2021
Value SEK701,820.00 | Price 180.00 | Shares 3,899
Through a closely affiliated person
Sale 10 Nov 2021
Value SEK0.00 | Price 0.00 | Shares 309,603
Buy 12 Aug 2021
Value SEK3,328,000.00 | Price 128.00 | Shares 26,000
Through a closely affiliated person
Buy 26 Nov 2020
Value SEK291,760.00 | Price 560.00 | Shares 521
Buy 25 Nov 2020
Value SEK150,080.00 | Price 560.00 | Shares 268
Through a closely affiliated person
Buy 25 Nov 2020
Value SEK1,094,800.00 | Price 560.00 | Shares 1,955
Buy 25 Nov 2020
Value SEK150,080.00 | Price 560.00 | Shares 268
Buy 25 Nov 2020
Value SEK57,120.00 | Price 560.00 | Shares 102
Through Pontus Ryd, a closely affiliated person
Buy 25 Nov 2020
Value SEK548,800.00 | Price 560.00 | Shares 980
Buy 25 Nov 2020
Value SEK300,160.00 | Price 560.00 | Shares 536
Buy 24 Nov 2020
Value SEK16,706,480.00 | Price 560.00 | Shares 29,833
Through a closely affiliated person
Buy 24 Nov 2020
Value SEK16,706,480.00 | Price 560.00 | Shares 29,833
Through a closely affiliated person
Buy 20 Nov 2020
Value SEK300,160.00 | Price 560.00 | Shares 536
Buy 17 Nov 2020
Value SEK191.00 | Price 19.10 | Shares 10
Through a closely affiliated person
Sale 13 Nov 2020
Value SEK355,076.00 | Price 17.75 | Shares 20,000
Through Pontus Ryd, a closely affiliated person
Sale 13 Nov 2020
Value SEK340,000.00 | Price 17.00 | Shares 20,000
Through Pontus Ryd, a closely affiliated person
Sale 3 Jul 2020
Value SEK5,440,000.00 | Price 160.00 | Shares 34,000
Through a closely affiliated person
Sale 3 Jul 2020
Value SEK5,440,000.00 | Price 160.00 | Shares 34,000
Buy 1 Nov 2018
Value SEK52,102.80 | Price 36.90 | Shares 1,412
Buy 31 Oct 2018
Value SEK20,183.55 | Price 35.85 | Shares 563
Buy 30 Oct 2018
Value SEK76,200.00 | Price 38.10 | Shares 2,000
Buy 18 Dec 2017
Value SEK13,950.00 | Price 15.50 | Shares 900
Buy 18 Dec 2017
Value SEK15,009.30 | Price 15.30 | Shares 981
Buy 9 Oct 2017
Value SEK22,960.00 | Price 16.40 | Shares 1,400
Buy 6 Oct 2017
Value SEK15,011.00 | Price 17.00 | Shares 883
Buy 6 Oct 2017
Value SEK15,006.40 | Price 16.60 | Shares 904
Buy 6 Oct 2017
Value SEK8,400.00 | Price 16.80 | Shares 500
Buy 19 May 2017
Value SEK9,327.50 | Price 20.50 | Shares 455
Buy 18 May 2017
Value SEK6,000.00 | Price 20.00 | Shares 300
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
2025-09-15 2025-09-11 S Sale
3.5
Mats Hult

Chief Financial Officer (CFO)

Officer
17,380
142.61
SEK4,858,546 		17,380 142.61 SEK4,858,546
2025-08-25 2025-08-21 B Purchase
3.2
Johan Sandberg

Chief Executive Officer (CEO)/Managing Directory

Officer
21,665
452.33
SEK1,582,531 		21,665 452.33 SEK1,582,531
2024-03-19 2024-03-19 B Purchase
3.5
Mats Hult

Chief Financial Officer (CFO)

Officer
52,261
208.13
SEK1,983,341 		52,261 208.13 SEK1,983,341
2024-03-19 2024-03-19 B Purchase
3.5
Mats Hult

Chief Financial Officer (CFO)

Officer
2,391
15.40
SEK36,821 		2,391 15.40 SEK36,821
2024-03-19 2024-03-19 B Purchase
2.2
Dan Friberg

Chairman of the Board of Directors

Director
3,000
15.09
SEK45,270 		3,000 15.09 SEK45,270
2024-03-19 2024-03-18 B Purchase
3.2
Johan Sandberg

Chief Executive Officer (CEO)/Managing Directory

Officer
1,290
15.50
SEK19,995 		1,290 15.50 SEK19,995
2024-03-19 2024-03-15 B Purchase
2.2
Dan Friberg

Chairman of the Board of Directors

Director
4,617
16.00
SEK73,872 		4,617 16.00 SEK73,872
2024-03-04 2024-03-01 B Purchase
2.2
Dan Friberg

Chairman of the Board of Directors

Director
1,800
17.15
SEK30,870 		1,800 17.15 SEK30,870
2024-02-28 2024-02-28 B Purchase
2.2
Dan Friberg

Chairman of the Board of Directors

Director
1,573
17.80
SEK27,999 		1,573 17.80 SEK27,999
2024-02-28 2024-02-23 B Purchase
2.2
Dan Friberg

Chairman of the Board of Directors

Director
2,500
17.76
SEK44,400 		2,500 17.76 SEK44,400
2024-02-12 2024-02-12 B Purchase
2.2
Dan Friberg

Chairman of the Board of Directors

Director
5,777
18.46
SEK106,643 		5,777 18.46 SEK106,643
2024-02-15 2024-02-09 B Purchase
3.2
Johan Sandberg

Chief Executive Officer (CEO)/Managing Directory

Officer
1,150
17.39
SEK19,998 		1,150 17.39 SEK19,998
2024-02-13 2024-02-09 B Purchase
3.2
Johan Sandberg

Chief Executive Officer (CEO)/Managing Directory

Officer
1,150
17.39
SEK19,998 		1,150 17.39 SEK19,998
2024-02-12 2024-02-09 B Purchase
2.2
Dan Friberg

Chairman of the Board of Directors

Director
2,816
17.61
SEK49,590 		2,816 17.61 SEK49,590
2024-02-12 2024-02-08 B Purchase
2.2
Dan Friberg

Chairman of the Board of Directors

Director
2,600
17.46
SEK45,396 		2,600 17.46 SEK45,396
2023-12-15 2023-12-13 B Purchase
2.2
Dan Friberg

Chairman of the Board of Directors

Director
2,316
18.00
SEK41,688 		2,316 18.00 SEK41,688
2023-06-15 2023-06-14 B Purchase
Black&White Ventures AB

Member of the Board of Directors

Director
84,000
0.00
SEK0 		84,000 0.00 SEK0
2023-06-07 2023-06-07 B Purchase
3.2
Johan Sandberg

Chief Executive Officer (CEO)/Managing Directory

Officer
1,089
22.95
SEK24,993 		1,089 22.95 SEK24,993
2023-06-07 2023-06-07 B Purchase
3.5
Mats Hult

Chief Financial Officer (CFO)

Officer
1,000
22.50
SEK22,500 		1,000 22.50 SEK22,500
2023-06-05 2023-06-02 S Sale
Knut Claessons och Caroline von Otter-Claessons Stiftelse

Deputy Member of the Board of Directors

Through a closely affiliated person Director
10,000
1.60
SEK16,000 		10,000 1.60 SEK16,000
2023-06-04 2023-05-30 S Sale
2.8
Jonas Boström

Other senior executive

Officer
670
29.00
SEK19,430 		670 29.00 SEK19,430
2023-05-26 2023-05-24 B Purchase
3.2
Johan Sandberg

Chief Executive Officer (CEO)/Managing Directory

Officer
1,848
27.05
SEK49,988 		1,848 27.05 SEK49,988
2023-05-11 2023-05-11 B Purchase
2.2
Dan Friberg

Chairman of the Board of Directors

Director
1,958
23.85
SEK46,698 		1,958 23.85 SEK46,698
2023-05-11 2023-05-09 B Purchase
2.2
Dan Friberg

Chairman of the Board of Directors

Director
4,637
22.98
SEK106,558 		4,637 22.98 SEK106,558
2023-05-04 2023-05-02 B Purchase
3.2
Johan Sandberg

Chief Executive Officer (CEO)/Managing Directory

Officer
1,515
21.95
SEK33,254 		1,515 21.95 SEK33,254
2023-05-04 2023-04-28 B Purchase
3.2
Johan Sandberg

Chief Executive Officer (CEO)/Managing Directory

Officer
790
21.70
SEK17,143 		790 21.70 SEK17,143
2023-05-03 2023-04-28 B Purchase
2.8
Jonas Boström

Other senior executive

Officer
670
22.12
SEK14,820 		670 22.12 SEK14,820
2023-01-30 2023-01-30 B Purchase
Fredrik Östbye

Member of the Board of Directors

Director
2,500
40.00
SEK100,000 		2,500 40.00 SEK100,000
2023-01-26 2023-01-26 B Purchase
2.2
Dan Friberg

Chairman of the Board of Directors

Director
28,286
40.00
SEK1,131,440 		28,286 40.00 SEK1,131,440
2023-01-27 2023-01-25 B Purchase
Peter Laurits

Chief Executive Officer (CEO)/Managing Directory

Officer
2,864
40.00
SEK114,560 		2,864 40.00 SEK114,560
2023-01-27 2023-01-25 B Purchase
PeCeLa Sun AB

Chief Executive Officer (CEO)/Managing Directory

Through a closely affiliated person Officer
886
40.00
SEK35,440 		886 40.00 SEK35,440
2023-01-27 2023-01-23 B Purchase
2.8
Jonas Boström

Other senior executive

Officer
347
40.00
SEK13,880 		347 40.00 SEK13,880
2023-01-23 2023-01-23 B Purchase
3.5
Mats Hult

Chief Financial Officer (CFO)

Officer
3,000
40.00
SEK120,000 		3,000 40.00 SEK120,000
2023-01-21 2023-01-19 B Purchase
Lars Tenerz

Member of the Board of Directors

Through Optiga AB, a closely affiliated person Director
12,500
40.00
SEK500,000 		12,500 40.00 SEK500,000
2023-01-24 2023-01-18 B Purchase
Knut Claesson

Chairman of the Board of Directors

Through Knut Claessons och Caroline von Otter-Claessons Stiftelse, a closely affiliated person Director
482,387
40.00
SEK19,295,480 		482,387 40.00 SEK19,295,480
2023-01-19 2023-01-16 S Sale
2.2
Dan Friberg

Chairman of the Board of Directors

Through Dan Friberg, a closely affiliated person Director
254,576
0.04
SEK10,183 		254,576 0.04 SEK10,183
2023-01-19 2023-01-16 S Sale
Black&White Ventures AB

Member of the Board of Directors

Director
66,041
0.03
SEK1,981 		66,041 0.03 SEK1,981
2022-11-27 2022-11-25 S Sale
3.5
Mats Hult

Chief Financial Officer (CFO)

Officer
4,308
64.80
SEK279,158 		4,308 64.80 SEK279,158
2021-11-26 2021-11-26 B Purchase
2.2
Dan Friberg

Chairman of the Board of Directors

Through Dan Friberg, a closely affiliated person Director
15,911
180.00
SEK2,863,980 		15,911 180.00 SEK2,863,980
2021-11-26 2021-11-25 B Purchase
peter laurits

Chief Executive Officer (CEO)/Managing Directory

Through PeCeLa Sun AB, a closely affiliated person Officer
241
180.00
SEK43,380 		241 180.00 SEK43,380
2021-11-26 2021-11-25 B Purchase
peter laurits

Chief Executive Officer (CEO)/Managing Directory

Through Peter Laurits, a closely affiliated person Officer
1,611
180.00
SEK289,980 		1,611 180.00 SEK289,980
2021-11-25 2021-11-24 B Purchase
2.8
Jonas Boström

Other member of the company's administrative, management or supervisory body
480
180.00
SEK86,400 		480 180.00 SEK86,400
2021-11-24 2021-11-24 B Purchase
Charlotte Bergqvist

Chief Executive Officer (CEO)/Managing Directory

Through Trinda Energy AB, a closely affiliated person Officer
797
180.00
SEK143,460 		797 180.00 SEK143,460
2021-11-24 2021-11-24 B Purchase
Charlotte Bergqvist

Member of the Board of Directors

Through Charlotte Bergqvist, a closely affiliated person Director
278
180.00
SEK50,040 		278 180.00 SEK50,040
2021-11-24 2021-11-24 B Purchase
3.5
Mats Hult

Chief Financial Officer (CFO)

Through Mats Hult, a closely affiliated person Officer
4,371
180.00
SEK786,780 		4,371 180.00 SEK786,780
2021-11-24 2021-11-23 B Purchase
Lars Tenerz

Member of the Board of Directors

Through Optiga AB, a closely affiliated person Director
2,600
180.00
SEK468,000 		2,600 180.00 SEK468,000
2021-11-18 2021-11-17 B Purchase
1.3
Optiga AB

Member of the Board of Directors

Through a closely affiliated person Director
3,899
180.00
SEK701,820 		3,899 180.00 SEK701,820
2021-11-11 2021-11-10 S Sale
Knut Claessons och Caroline von Otter-Claessons Stiftelse

Deputy Member of the Board of Directors

Director
309,603
0.00
SEK0 		309,603 0.00 SEK0
2021-08-13 2021-08-12 B Purchase
1.3
Optiga AB

Member of the Board of Directors

Through a closely affiliated person Director
26,000
128.00
SEK3,328,000 		26,000 128.00 SEK3,328,000
2020-11-27 2020-11-26 B Purchase
2.2
Dan Friberg

Member of the Board of Directors

Director
521
560.00
SEK291,760 		521 560.00 SEK291,760
2021-04-27 2020-11-25 B Purchase
Charlotte Bergqvist

Member of the Board of Directors

Through a closely affiliated person Director
268
560.00
SEK150,080 		268 560.00 SEK150,080
2020-11-26 2020-11-25 B Purchase
2.2
Dan Friberg

Member of the Board of Directors

Director
1,955
560.00
SEK1,094,800 		1,955 560.00 SEK1,094,800
2020-11-26 2020-11-25 B Purchase
Peter Laurits

Chief Executive Officer (CEO)/Managing Directory

Officer
268
560.00
SEK150,080 		268 560.00 SEK150,080
2020-11-25 2020-11-25 B Purchase
Pontus Ryd

Member of the Board of Directors

Through Pontus Ryd, a closely affiliated person Director
102
560.00
SEK57,120 		102 560.00 SEK57,120
2020-11-25 2020-11-25 B Purchase
Per Pontus Ryd

Member of the Board of Directors

Director
980
560.00
SEK548,800 		980 560.00 SEK548,800
2020-11-25 2020-11-25 B Purchase
3.5
Mats Hult

Chief Financial Officer (CFO)

Officer
536
560.00
SEK300,160 		536 560.00 SEK300,160
2020-11-26 2020-11-24 B Purchase
Knut Claesson

Deputy Member of the Board of Directors

Through a closely affiliated person Director
29,833
560.00
SEK16,706,480 		29,833 560.00 SEK16,706,480
2020-11-25 2020-11-24 B Purchase
Knut Claesson

Deputy Member of the Board of Directors

Through a closely affiliated person Director
29,833
560.00
SEK16,706,480 		29,833 560.00 SEK16,706,480
2020-11-26 2020-11-20 B Purchase
Malcolm Wiberg

Chairman of the Board of Directors

Director
536
560.00
SEK300,160 		536 560.00 SEK300,160
2020-11-17 2020-11-17 B Purchase
Pontus Ryd

Member of the Board of Directors

Through a closely affiliated person Director
10
19.10
SEK191 		10 19.10 SEK191
2020-11-17 2020-11-13 S Sale
Pontus Ryd

Member of the Board of Directors

Through Pontus Ryd, a closely affiliated person Director
20,000
17.75
SEK355,076 		20,000 17.75 SEK355,076
2020-11-17 2020-11-13 S Sale
Pontus Ryd

Member of the Board of Directors

Through Pontus Ryd, a closely affiliated person Director
20,000
17.00
SEK340,000 		20,000 17.00 SEK340,000
2020-07-08 2020-07-03 S Sale
Pontus Ryd

Styrelseledamot

Through a closely affiliated person
34,000
160.00
SEK5,440,000 		34,000 160.00 SEK5,440,000
2020-07-07 2020-07-03 S Sale
SolvInvest AB

Styrelseledamot
34,000
160.00
SEK5,440,000 		34,000 160.00 SEK5,440,000
2018-11-01 2018-11-01 B Purchase
3.4
Roger Cederberg

Styrelseordförande
1,412
36.90
SEK52,103 		1,412 36.90 SEK52,103
2018-11-01 2018-10-31 B Purchase
3.4
Roger Cederberg

Styrelseordförande
563
35.85
SEK20,184 		563 35.85 SEK20,184
2018-11-01 2018-10-30 B Purchase
3.4
Roger Cederberg

Styrelseordförande
2,000
38.10
SEK76,200 		2,000 38.10 SEK76,200
2017-12-20 2017-12-18 B Purchase
3.4
Roger Cederberg

Ordförande
900
15.50
SEK13,950 		900 15.50 SEK13,950
2017-12-20 2017-12-18 B Purchase
3.4
Roger Cederberg

Ordförande
981
15.30
SEK15,009 		981 15.30 SEK15,009
2017-10-11 2017-10-09 B Purchase
3.4
Roger Cederberg

Styrelseordförande
1,400
16.40
SEK22,960 		1,400 16.40 SEK22,960
2017-10-09 2017-10-06 B Purchase
3.4
Roger Cederberg

Styrelseordförande
883
17.00
SEK15,011 		883 17.00 SEK15,011
2017-10-09 2017-10-06 B Purchase
3.4
Roger Cederberg

Styrelseordförande
904
16.60
SEK15,006 		904 16.60 SEK15,006
2017-10-09 2017-10-06 B Purchase
3.4
Roger Cederberg

Styrelseordförande
500
16.80
SEK8,400 		500 16.80 SEK8,400
2017-05-23 2017-05-19 B Purchase
3.4
Roger Cederberg

Styrelseordförande
455
20.50
SEK9,328 		455 20.50 SEK9,328
2017-05-22 2017-05-18 B Purchase
3.4
Roger Cederberg

styrelseordförande
300
20.00
SEK6,000 		300 20.00 SEK6,000
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