Summary
Updated Aug 31, 2026
Caroline Litchfield is EVP & CFO of Merck & Co., Inc. (MRK). 6 SEC Form 4 filings on record going back to 2024, most recently on 7 May 2026. Most recent open-market trade: sold $5.02M of MRK on 6 February 2026. Lifetime open-market sales: $5.02M.
Recent Transactions
5Every recent SEC Form 4 transaction Caroline Litchfield has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Caroline Litchfield go back to 2024: 6 primary Form 4 filings, an average of 2.0 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Caroline Litchfield files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Jennifer Zachary - $25.20M of MRK open-market activity in the last 12 months
- Richard R. Deluca - $11.29M of MRK open-market activity in the last 12 months
- Hans Erik Vestberg - $11.16M of VZ open-market activity in the last 12 months
- Chirfi Guindo - $8.15M of MRK open-market activity in the last 12 months
- David Michael Williams - $8.13M of MRK open-market activity in the last 12 months
- Robert M. Davis - $5.60M of MRK open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Caroline Litchfield?
Caroline Litchfield is a corporate insider, tracked as EVP & CFO of Merck & Co., Inc. (MRK). InsiderAlpha holds 6 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Caroline Litchfield last file a Form 4?
The most recent primary Form 4 on record is dated 7 May 2026, one of 6 filings going back to 2024.
Has Caroline Litchfield been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($5.02M) across all tracked filings.
Where can I see all of Caroline Litchfield's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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