Guindo Chirfi 4
4 · Merck & Co., Inc. · Filed Jan 28, 2026
Research Summary
AI-generated summary of this filing
Merck (MRK) CMO Guindo Chirfi Receives 9,865-Share Award
What Happened Guindo Chirfi, Chief Marketing Officer of Merck & Co. (MRK), received 9,865 shares as a performance-based award on January 26, 2026. The shares are recorded at $107.40 each, for a total value of $1,059,501. This was an award distribution (code A), not an open-market purchase or sale.
Key Details
- Transaction date and price: 2026-01-26 at $107.40 per share.
- Total shares received: 9,865; aggregate value reported: $1,059,501.
- Filing date: Form 4 filed 2026-01-28 — appears timely (within the usual 2-business-day window).
- Footnote highlights:
- F1: These were net after-tax shares distributed on satisfaction of performance criteria for performance share units (PSUs) granted 3/31/2023; PSUs paid out at 94% of target and include dividends accrued over the three-year performance period ending 12/31/2025.
- F2/F3: Holdings reported in the filing may include shares from dividend reinvestment and Merck’s U.S. Savings (401(k)) plan through Jan 8, 2026.
- Tax withholding: distribution was made as “net after tax” shares (some shares withheld to cover taxes).
Context This transaction reflects the payout of long-term, performance-based compensation (PSUs) rather than a market trade. Performance awards vest based on pre-established targets and payout levels (here, 94% of target); they do not necessarily indicate the insider’s current buying or selling sentiment.
Insider Transaction Report
Form 4
Guindo Chirfi
Chief Marketing Officer
Transactions
- Award
Common Stock
[F1][F2]2026-01-26$107.40/sh+9,865$1,059,501→ 100,615.127 total
Holdings
- 56.771(indirect: By 401(k))
Common Stock-401(k) Plan
[F3]
Footnotes (3)
- [F1]Distribution of net after tax shares of common stock on satisfaction of performance criteria for performance share units granted on 3/31/23. Performance shares were paid out at 94 percent of target awards. Includes dividends accrued over the three-year performance period ending December 31, 2025.
- [F2]Holdings include shares acquired in dividend reinvestment transactions.
- [F3]Includes shares acquired and dividends earned through January 8, 2026 in the Merck U.S. Savings Plan, a 401(k) plan.
Signature
/s/ Kelly Grez, as attorney-in-fact for Mr. Chirfi Guindo|2026-01-28