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Denmark Construction Materials

Rockwool A/S (ROCK-B)

Track

Over the last 90 days, Rockwool A/S has seen significant insider buying activity, totaling over DKK 3.78 billion. All four reported transactions were buys, primarily by Chairman Thomas Kähler. This activity occurred shortly after the company's last earnings report, which exceeded expectations.
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Ticker: ROCK-B Exchange: CPH
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Thomas Kähler
Chairman of the Board of Directors
4 purchases — total 3,780,594,716 DKK
Buy 19 May 2026
Value DKK2,049,452.55 | Price 281.99 | Shares 19,691
Through Valdemar Juel Kähler, a closely affiliated person
Buy 19 May 2026
Value DKK1,283,162.40 | Price 225.65 | Shares 98,667
Through Helena Juel Kähler, a closely affiliated person
Buy 19 May 2026
Value DKK100,441,500.00 | Price 200,883.00 | Shares 500
Through Christian Juel Kähler, a closely affiliated person
Buy 19 May 2026
Value DKK3,529,399,588.00 | Price 200,068.00 | Shares 17,641
Sale 10 Feb 2026
Value DKK1,360,177.16 | Price 464.57 | Shares 77,532
Buy 20 Aug 2025
Value DKK146,670.00 | Price 244.45 | Shares 600
Through Chloe Kähler, a closely affiliated person
Buy 20 Aug 2025
Value DKK502,657.92 | Price 244.96 | Shares 2,052
Buy 20 Aug 2025
Value DKK177,258.60 | Price 242.82 | Shares 730
Through Christian Juel Kähler, a closely affiliated person
Buy 20 Aug 2025
Value DKK5,973,126.00 | Price 242.81 | Shares 24,600
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
2026-05-20 2026-05-19 B Purchase
0.9
Thomas Kähler

Chairman of the Board of Directors

Through Valdemar Juel Kähler, a closely affiliated person Executive Director
19,691
281.99
DKK2,049,453 		19,691 281.99 DKK2,049,453
2026-05-20 2026-05-19 B Purchase
0.9
Thomas Kähler

Chairman of the Board of Directors

Through Helena Juel Kähler, a closely affiliated person Executive Director
98,667
225.65
DKK1,283,162 		98,667 225.65 DKK1,283,162
2026-05-20 2026-05-19 B Purchase
0.9
Thomas Kähler

Chairman of the Board of Directors

Through Christian Juel Kähler, a closely affiliated person Executive Director
82,691
148.95
DKK4,103,223 		82,691 148.95 DKK4,103,223
2026-05-20 2026-05-19 B Purchase
0.9
Thomas Kähler

Chairman of the Board of Directors

Executive Director
17,641
200,068.00
DKK3,529,399,588 		17,641 200,068.00 DKK3,529,399,588
2026-02-12 2026-02-10 S Sale
3.1
Kim Junge Andersen

Senior Vice President, Chief Financial Officer

Management Board Member
1,000
230.42
DKK230,420 		1,000 230.42 DKK230,420
2025-08-21 2025-08-20 B Purchase
0.9
Carsten Kähler

Member of the Board of Directors

Through Chloe Kähler, a closely affiliated person Executive Director
600
244.45
DKK146,670 		600 244.45 DKK146,670
2025-08-21 2025-08-20 B Purchase
0.8
Jørgen Tang-Jensen

Deputy Chairman of the Board of Directors

Executive Director
2,052
244.96
DKK502,658 		2,052 244.96 DKK502,658
2025-08-21 2025-08-20 B Purchase
0.9
Thomas Kähler

Chairman of the Board of Directors

Through Christian Juel Kähler, a closely affiliated person Executive Director
730
242.82
DKK177,259 		730 242.82 DKK177,259
2025-08-21 2025-08-20 B Purchase
0.9
Thomas Kähler

Chairman of the Board of Directors

Executive Director
24,600
242.81
DKK5,973,126 		24,600 242.81 DKK5,973,126
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