| Date | Insider | Type | Value | |
|---|---|---|---|---|
| Nov 3, 09 | REPRESAS CARLOS E | Disposition | - | |
| Nov 3, 09 | REPRESAS CARLOS E | Disposition | - | |
| Nov 3, 09 | REPRESAS CARLOS E | Other | - | |
| Sep 1, 09 | GRADDICK WEIR MIRIAN M | Exercise | $324K | |
| Sep 1, 09 | GRADDICK WEIR MIRIAN M | Exercise | - | |
| Sep 1, 09 | GRADDICK WEIR MIRIAN M | Other | $118K | |
| Jul 24, 09 | Canan John | Grant | - | |
| Jun 30, 09 | BRUN LESLIE A | Grant | $4K | |
| Jun 30, 09 | GLOCER THOMAS H | Grant | $23K | |
| Jun 30, 09 | GOLDSTONE STEVEN F | Grant | $24K |
MERCK & CO INC ((MRK)) has recorded 704 insider transactions from 43 insiders. Total insider buying volume stands at $224K, while total selling volume is $45.8M. Overall insider sentiment is bearish (98% sales).
MERCK & CO INC ((MRK)) has recorded 704 insider operations, including 3 open-market purchases ($224K), 142 sales ($45.8M) and 559 other operations (stock option exercises, grants, tax dispositions, donations). The insider sentiment is bearish (98% sales).
Insider activity at MERCK & CO INC is sustained, with operations recorded in 10 of the last 12 months — a sign of regular regulatory filings.
Among the most active insiders are CLARK RICHARD T (CEO), YARNO WENDY L (C SUITE) & AMBROSE ADELE D (C SUITE), with respectively 65, 236, 65 transactions.
Across all 704 recorded transactions, the breakdown by type is: grant (352, 50%), sales (142, 20%), exercise (133, 19%), tax (55, 8%), disposition (11, 2%).
Data sourced from regulatory filings (SEC Form 4, AMF, BaFin, FI, and other European authorities).
MERCK & CO INC has recorded 704 insider operations in total, including 3 open-market purchases ($224K), 142 sales ($45.8M) and 559 other operations (stock option exercises, grants, tax dispositions, donations). The most recent transaction was recorded on November 3, 2009.
Insiders at MERCK & CO INC are currently net sellers, with 2% purchases and 98% sales across all reported transactions. Total buy volume is $224K versus $45.8M in sales, indicating a bearish insider sentiment.
InsiderLens tracks 43 insiders at MERCK & CO INC ((MRK)). CLARK RICHARD T (CEO, 65 tx), YARNO WENDY L (C SUITE, 236 tx), AMBROSE ADELE D (C SUITE, 65 tx). Data is sourced from mandatory regulatory filings for persons with access to privileged information.
The insider signal for (MRK) is bearish, based on a 2% buy ratio across 145 buy and sell transactions reported to financial regulators. Transactions from C-suite executives (CEO, CFO) and board members are generally considered the most informative signals.
Insider trading data for MERCK & CO INC comes from official regulatory filings: SEC Form 4 (United States), AMF (France), BaFin (Germany), FI (Sweden), and other European financial authorities. These filings are mandatory for directors, officers, and holders of more than 10% of a company's shares. InsiderLens aggregates and normalizes this data for analysis.