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Insider ActivityMRK
Guindo Chirfi, EVP, Access, Policy & Comms at Merck & Co., Inc., traded $107K of MRK
Updated Jun 19, 2026
Guindo Chirfi
EVP, Access, Policy & Comms
Merck & Co., Inc. ·
$MRK
Transaction Details
| Insider | Guindo Chirfi |
|---|---|
| Title | EVP, Access, Policy & Comms |
| Company | Merck & Co., Inc. |
| Ticker | MRK |
| Transaction Type | Tax |
| Transaction Date | 2026-04-29 |
| Shares Traded | 969 |
| Price Per Share | $110.03 |
| Total Value | $107K |
| Filed Date | 2026-05-01 |
| Accession Number | 0000310158-26-000102 |
Ownership Context
| Shares Owned After Transaction | 61,613 |
|---|---|
| Ownership Type | Direct |
SEC Filing
Accession: 0000310158-26-000102
Other Insider Trades — MRK
| Insider | Title | Action | Value | Date |
|---|---|---|---|---|
| Rothman Paul | Director | traded | $220K | 2026-05-29 |
| Craig Pamela J. | Director | traded | $220K | 2026-05-29 |
| THULIN INGE G | Director | traded | $220K | 2026-05-29 |
| RUSSO PATRICIA F | Director | traded | $220K | 2026-05-29 |
| Mayo Stephen | Director | traded | $220K | 2026-05-29 |
| GLOCER THOMAS H | Director | traded | $220K | 2026-05-29 |
| BAKER DOUGLAS M JR | Director | traded | $220K | 2026-05-29 |
| Coe Mary Ellen | Director | traded | $220K | 2026-05-29 |
| Seidman Christine E | Director | traded | $220K | 2026-05-29 |
| LAVIZZO-MOUREY RISA J | Director | traded | $220K | 2026-05-29 |
Other Trades by Guindo Chirfi
| Ticker | Company | Action | Value | Date |
|---|---|---|---|---|
| BEAM | Beam Therapeutics Inc. | traded | — | 2026-06-03 |
| MRK | Merck & Co., Inc. | traded | — | 2026-05-05 |
| MRK | Merck & Co., Inc. | traded | — | 2026-05-05 |
| MRK | Merck & Co., Inc. | traded | $216K | 2026-04-29 |
Full Ticker Profile
View all insider trades, dark pool activity, congressional filings, and the Whisper Score for MRK — Merck & Co., Inc. →
Whisper Score — MRK
42.57
Active Discussion
Current Whisper Score
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Data sourced from SEC Form 4 insider trading filings. Transaction details are as reported to the Securities and Exchange Commission. This page does not constitute financial advice. StonkWhisper presents public records — it does not verify or guarantee the accuracy of SEC filings.
Last updated: June 19, 2026 at 07:16 UTC