Williams David Michael

Track

Insider profile

Performance

Overall performance
2.7
Performance over holding periods
2.7
30 days 90 days 120 days
Average return -5% 8.2% 15.1%
Success rate 58% 68% 82%
Transactions
5 0% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance
Williams David Michael's trades of Merck & Co Inc's stock


• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell 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
2026-08-07 2026-08-05
S Sale
58,120 +42.4%
61.12
US$303,622 		58,120 +42.4% 61.12 US$303,622
2026-08-07 2026-08-05
S Sale
17,744 +2.7%
364.43
US$1,797,206 		17,744 +2.7% 364.43 US$1,797,206
2026-08-07 2026-08-05
S Sale
81,884 +22.7%
100.14
US$1,255,950 		81,884 +22.7% 100.14 US$1,255,950
2026-08-05 2026-08-05
PrS Proposed sale
52,847
128.77
US$6,805,145 		52,847 128.77 US$6,805,145
2026-02-06 2026-02-06
PrS Proposed sale
5,000
121.91
US$609,525 		5,000 121.91 US$609,525
2026-02-06 2026-02-06
S Sale
5,000 -14.0%
121.91
US$609,525 		5,000 -14.0% 121.91 US$609,525
2025-11-04 2025-11-03
S Sale
8,614 -26.0%
83.59
US$720,040 		8,614 -26.0% 83.59 US$720,040
2025-11-03 2025-11-03
PrS Proposed sale
8,614
83.59
US$720,040 		8,614 83.59 US$720,040
2025-02-13 2025-02-13
PrS Proposed sale
6,000
85.34
US$512,057 		6,000 85.34 US$512,057
2025-02-13 2025-02-13
S Sale
6,000 -19.9%
85.34
US$512,057 		6,000 -19.9% 85.34 US$512,057
2024-02-08 2024-02-07
S Sale
1,451 -6.8%
127.57
US$185,108 		1,451 -6.8% 127.57 US$185,108
2024-02-07 2024-02-07
PrS Proposed sale
1,451
127.57
US$185,108 		1,451 127.57 US$185,108
2023-05-03 2023-05-02
S Sale
7,509 -40.4%
116.82
US$877,222 		7,509 -40.4% 116.82 US$877,222
2023-05-02 2023-05-02
PrS Proposed sale
7,509
116.82
US$877,222 		7,509 116.82 US$877,222