Stock ledger
$MRK Insider Trading
Merck & Co., Inc.
19
Alerts Sent
0%
Hit Rate Here
0
Insider Buys 30d
0
Insider Sells 30d
This page is InsiderWatch’s own record for MRK: every alert we sent on this stock, scored against real market prices, plus recent insider buying and selling reported to the SEC on Form 4.
Price and Our Alerts
$MRK price
Daily closing prices
3M change
+27.2%
1Y high
$156.45
1Y low
$77.60
Our alerts
19
in this window
Prices from public market data and may be delayed. Markers show the days our alerts on this stock fired. Not investment advice.
Our Alerts on $MRK
15 alerts on MRK sent and pending: awaiting the next market close before the result appears here.
| Sent (ET) | Call | Alert | Result |
|---|---|---|---|
| Sep 13, 7:55 AM | BEARISH | Gilead's Trodelvy misses endpoints in Phase 3 lung cancer trial | +2.9% ✗ miss |
| Aug 10, 3:43 PM | BEARISH | Executive order to narrow US childhood vaccine schedule | -2.6% ✓ hit |
| Aug 7, 4:22 PM | BEARISH | Three Merck executives sell $11M of stock in a week | +19.6% ✗ miss |
| Aug 6, 7:15 AM | BEARISH | Gilead, Merck scrap Trodelvy-Keytruda trial on weak data | +2.3% ✗ miss |
Every alert we sent on MRK is listed once scored, hits and misses alike. Result is the stock’s move from the alert to the graded exit of its catalyst window.
Recent Insider Activity
Open-market buys and sells in MRK by the company’s own officers, directors, and large holders, as reported to the SEC on Form 4 in roughly the last 30 days. New to the filing? Read what a Form 4 is and what the transaction codes mean.
| Filed (ET) | Insider | Action | Value |
|---|---|---|---|
| Aug 13 | Guindo ChirfiEVP, Access, Policy & Comms | SELL | $1.4M |
| Aug 13 | Zachary JenniferEVP, General Counsel | SELL | $10.7M |
| Aug 12 | DeLuca Richard R.EVP&Pres, Merck Animal Heallth | SELL | $5.9M |
| Aug 7 | Maraldo David R.EVP & Pres. MMD | SELL | $2.4M |
| Aug 7 | Williams David MichaelEVP,Chief Info&Digital Officer | SELL | $6.8M |
| Aug 7 | Guindo ChirfiEVP, Access, Policy & Comms | SELL | $2.0M |
Sourced from public SEC Form 4 filings. Buys shown are open-market purchases; routine grants and plan sales are filtered out before a trade reaches this log.
Congress Trading in $MRK
Members of Congress who disclosed trades in MRK under the STOCK Act since we began tracking. Each name links to that member’s full page. Amounts are the disclosed ranges (see how the ranges work) and filings can arrive up to 45 days after the trade.
| Member | Action | Amount |
|---|---|---|
| Maria Elvira SalazarHouse | BUY | $15,001 - $50,000 |
| Maria Elvira SalazarHouse | BUY | $15,001 - $50,000 |
| Josh GottheimerHouse | BUY | $1,001 - $15,000 |
| Julie JohnsonHouse | SELL | $1,001 - $15,000 |
| Gilbert CisnerosHouse | BUY | $1,001 - $15,000 |
Disclosed amounts are ranges. Filing and trade dates, who in the household traded, and full histories are part of the subscriber dashboard.
See the latest alerts across all stocks, the complete scored track record, this week’s insider buying, or the congress trading tracker.
Get the Next MRK Alert When It Fires.
Everything here is already graded and public. Subscribers got it the minute it fired. Pro members get every alert; Watchlist members get the ones on stocks they follow. Free for 7 days, cancel any time.
Try Free for 7 DaysPast performance is not indicative of future results. Directional scoring measures a catalyst-matched window on daily closing prices and does not reflect fees, slippage, taxes, or execution. InsiderWatch is an informational service based on publicly available information only and is not financial, investment, legal, or tax advice. Outcomes are scored automatically against public market data by our own systems and are not independently audited.