Maraldo David R.

Insider profile

Performance

Overall performance

Performance over holding periods
30 days 90 days 120 days
Average return -17% 8.2% 15.1%
Success rate 0% 68% 82%
Transactions
3 0% Buy
34 71% Buy
47 69% Buy
Maraldo David R.'s trades of Merck & Co Inc's stock


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• 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
Transaction date
Sale
Price
387.00
Quantity 65,976 -41.4%
Value US$1,918,882
Transaction date
Sale
Price
157.70
Quantity 50,834 -48.9%
Value US$611,116
Transaction date
Sale
Price
47.54
Quantity 72,266 -7.5%
Value US$1,207,614
Transaction date
Proposed sale
Price
128.72
Quantity 18,706
Value US$2,407,797
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
65,976 -41.4%
387.00
US$1,918,882
65,976 -41.4% 387.00 US$1,918,882
2026-08-07 2026-08-05 S Sale
50,834 -48.9%
157.70
US$611,116
50,834 -48.9% 157.70 US$611,116
2026-08-07 2026-08-05 S Sale
72,266 -7.5%
47.54
US$1,207,614
72,266 -7.5% 47.54 US$1,207,614
2026-08-05 2026-08-05 PrS Proposed sale
18,706
128.72
US$2,407,797
18,706 128.72 US$2,407,797