Clark Stephen S

Track

Insider profile

Performance

Overall performance
2.3
Performance over holding periods
2.3
30 days 90 days 120 days
Average return 5% 8.2% 15.1%
Success rate 100% 68% 82%
Transactions
11 100% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance
Clark Stephen S's trades of Amrize AG's stock


Subscribe to get access to the transaction volume chart and in-chart transaction details
• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2026-05-07 2026-05-05
US Amrize AG (AMRZ)
PP Planned purchase
95,580 -49.0%
224.23
US$776,481 		95,580 -49.0% 224.23 US$776,481
2025-08-18 2025-08-15
US Amrize AG (AMRZ)
B Purchase
95,037 -46.3%
336.74
US$3,976,054 		95,037 -46.3% 336.74 US$3,976,054
2025-08-18 2025-08-15
US Amrize AG (AMRZ)
B Purchase
60,731 -34.8%
408.18
US$4,161,014 		60,731 -34.8% 408.18 US$4,161,014
2025-08-18 2025-08-15
US Amrize AG (AMRZ)
B Purchase
500 +16.7%
51.84
US$25,920 		500 +16.7% 51.84 US$25,920
2025-08-18 2025-08-15
US Amrize AG (AMRZ)
B Purchase
1,040 +53.1%
51.83
US$53,903 		1,040 +53.1% 51.83 US$53,903
2025-08-18 2025-08-15
US Amrize AG (AMRZ)
B Purchase
1,000 +104.2%
51.82
US$51,820 		1,000 +104.2% 51.82 US$51,820
2025-08-18 2025-08-15
US Amrize AG (AMRZ)
B Purchase
301 +45.7%
51.81
US$15,595 		301 +45.7% 51.81 US$15,595
2025-08-18 2025-08-15
US Amrize AG (AMRZ)
B Purchase
367 +125.7%
51.80
US$19,011 		367 +125.7% 51.80 US$19,011
2025-08-18 2025-08-15
US Amrize AG (AMRZ)
B Purchase
100 +52.1%
51.79
US$5,179 		100 +52.1% 51.79 US$5,179
2025-08-18 2025-08-15
US Amrize AG (AMRZ)
B Purchase
22 +12.9%
51.78
US$1,139 		22 +12.9% 51.78 US$1,139
2025-08-18 2025-08-15
US Amrize AG (AMRZ)
B Purchase
70 +70.0%
51.63
US$3,614 		70 +70.0% 51.63 US$3,614
2025-08-18 2025-08-15
US Amrize AG (AMRZ)
B Purchase
100 +inf%
51.63
US$5,162 		100 +inf% 51.63 US$5,162