InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (7 ops.)
Insider track record
CEODisclosed buys
0
Disclosed sells
7
T+90 hit rate
25%
T+90 mean return
-24.8%
Across 8 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Browse the full record of transactions filed by Li Dean Y, Executive VP & President, MRL. Director active across 2 companies, notably Merck & Co., Inc.. Cumulatively, 41 disclosures have been published. Breakdown: 0 buy · 7 sells. Total volume traded: €1.3m. Activity tracked since 1 May 2021. The latest transaction was disclosed on 1 April 2025 (Attribution). Regulator: SEC (Form 4). All data is accessible without signup.
Declarations41 total
2,268 shares0Class A Common StockSEC:0001601830-25-000056:0
32,621 shares@ US$97.9439.7% of flowCommon StockSEC:0001127602-25-002346:0
1,647 shares0Class A Common StockSEC:0001601830-25-000005:0
1,925 shares0Class A Common StockSEC:0001601830-24-000171:0
1,592 shares0Class A Common StockSEC:0001601830-24-000099:0
13,097 shares0Class A Common StockSEC:0001601830-24-000069:0
1,267 shares0Class A Common StockSEC:0001601830-24-000031:0
14,702 shares@ US$62.0711.0% of flowCommon StockSEC:0001127602-24-004438:0
25,760 shares@ US$119.4336.7% of flowCommon StockSEC:0001127602-24-002024:0
28,038 shares@ US$13.6527.1% of flowClass A Common StockSEC:0001209191-24-001486:0
1,203 shares0Class A Common StockSEC:0001601830-24-000001:0
1,659 shares0Class A Common StockSEC:0001209191-23-052058:0
1,609 shares0Class A Common StockSEC:0001209191-23-041655:0
12,612 shares0Class A Common StockSEC:0001209191-23-038844:0
1,062 shares@ US$115.471.5% of flowCommon StockSEC:0001127602-23-014248:0
1,724 shares0Class A Common StockSEC:0001209191-23-023433:0
3,275 shares@ US$109.884.3% of flowCommon StockSEC:0001127602-23-002223:0
1,573 shares0Class A Common StockSEC:0001209191-23-002070:0
1,092 shares0Class A Common StockSEC:0001209191-22-052917:0
1,409 shares0Class A Common StockSEC:0001209191-22-041281:0
18,145 shares0Class A Common StockSEC:0001209191-22-037640:0
773 shares@ US$87.650.0000% mcap12.4% of flowCommon StockSEC:0001127602-22-013279:0
1,061 shares@ US$88.690.0000% mcap17.2% of flowCommon StockSEC:0001127602-22-013028:0
1,544 shares0Class A Common StockSEC:0001209191-22-023302:0
3,023 shares@ US$73.510.0001% mcap37.8% of flowCommon StockSEC:0001127602-22-007019:0
25 of 41 declarations
About Li Dean Y
Li Dean Y is the Executive Vice President and President of MRL at Merck & Co., Inc.
