8-K - Merck & Co., Inc. (0000310158) (Filer)
Published . Updated .
8-K - Merck & filed an 8-K with the SEC on Oct 29 (a notice of a material company event).
Directly affected
- MRK Merck-2.6% 16d
Named in this report.
Indirectly affected
- XLV Health Care Select Sector SPDR
Health Care Select Sector SPDR holds the health sector that Merck belongs to, so it often moves with news about it.
- LLY Eli Lilly and+12.0% 30d
Eli Lilly and is a peer of Merck in pharmaceutical preparations; rivals often move on the same news.
- JNJ Johnson & Johnson+0.4% 30d
Johnson & Johnson is a peer of Merck in pharmaceutical preparations; rivals often move on the same news.
- ABBV AbbVie+8.5% 30d
AbbVie is a peer of Merck in pharmaceutical preparations; rivals often move on the same news.
- ABT Abbott Laboratories-0.7% 30d
Abbott Laboratories is a peer of Merck in pharmaceutical preparations; rivals often move on the same news.
- PFE Pfizer+6.7% 30d
Pfizer is a peer of Merck in pharmaceutical preparations; rivals often move on the same news.
Price reaction, T-5 to T+3
| Ticker | T-5 | T-3 | T-1 | T0 | T+1 | T+2 | T+3 |
|---|---|---|---|---|---|---|---|
| MRK | +4.32% | -0.31% | base | after close | after close | after close | after close |
| XLVNo price data for this ticker | — | — | — | — | — | — | — |
| LLYNo price data for this ticker | — | — | — | — | — | — | — |
| JNJNo price data for this ticker | — | — | — | — | — | — | — |
| ABBVNo price data for this ticker | — | — | — | — | — | — | — |
| ABTNo price data for this ticker | — | — | — | — | — | — | — |
| PFENo price data for this ticker | — | — | — | — | — | — | — |
Closing-price change versus T-1, the last close before the story. T0 to T+3 fill in after each market close. Prices: Alpaca IEX.
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Filed: 2026-10-29 AccNo: 0001104659-26-119825 Size: 1 MB Item 2.02: Results of Operations and Financial Condition Item 9.01: Financial Statements and Exhibits
Source: sec-edgar
The price since 29 Oct 2026: Merck (MRK) versus the S&P 500
| Company | When | Move | Status |
|---|---|---|---|
| Merck (MRK) | three days earlier | -0.31% | final price |
| Merck (MRK) | five days earlier | +4.32% | final price |
Trades by members of Congress and officials in the stocks in this story
- Rep. Maria Elvira Salazar sold Merck (MRK), worth $1,001 - $15,000 on 24 Sep 2026. That is 35 days before publication. Filed 7 Oct 2026. View the filing.
- Rep. Maria Elvira Salazar bought Merck (MRK), worth $15,001 - $50,000 on 19 Aug 2026. That is 71 days before publication. Filed 9 Sep 2026. View the filing.
- Donald J Trump, an executive branch official, sold Merck (MRK), worth $250,001 - $500,000 on 31 Jul 2026. That is 90 days before publication. Filed 22 Sep 2026. View the filing.
- Rep. Rohit Khanna bought Eli Lilly (LLY) (held by a spouse), worth $1,001 - $15,000 on 4 Sep 2026. That is 55 days before publication. Filed 7 Oct 2026. View the filing.
- Rep. Rohit Khanna bought Johnson & Johnson (JNJ) (held by a spouse), worth $1,001 - $15,000 on 25 Sep 2026. That is 34 days before publication. Filed 7 Oct 2026. View the filing.
- Rep. Lloyd Doggett bought Johnson & Johnson (JNJ), worth $1,001 - $15,000 on 8 Sep 2026. That is 51 days before publication. Filed 5 Oct 2026. View the filing.
- Rep. Rohit Khanna bought Johnson & Johnson (JNJ) (held by a spouse), worth $1,001 - $15,000 on 4 Sep 2026. That is 55 days before publication. Filed 7 Oct 2026. View the filing.
- Rep. Pete Sessions sold AbbVie (ABBV), worth $15,001 - $50,000 on 14 Sep 2026. That is 45 days before publication. Filed 18 Sep 2026. View the filing.
- Rep. Rohit Khanna sold AbbVie (ABBV) (held by a spouse), worth $1,001 - $15,000 on 4 Sep 2026. That is 55 days before publication. Filed 7 Oct 2026. View the filing.
- Donald J Trump, an executive branch official, bought AbbVie (ABBV), worth $50,001 - $100,000 on 31 Jul 2026. That is 90 days before publication. Filed 22 Sep 2026. View the filing.
- Rep. Gilbert Cisneros bought Abbott Laboratories (ABT), worth $1,001 - $15,000 on 18 Sep 2026. That is 41 days before publication. Filed 12 Oct 2026. View the filing.
- Rep. Rohit Khanna bought Abbott Laboratories (ABT) (held by a spouse), worth $1,001 - $15,000 on 4 Sep 2026. That is 55 days before publication. Filed 7 Oct 2026. View the filing.
Public disclosure filings, not a recommendation. The filing link is the source document. News use of these reports still sits under 5 U.S.C. § 13107(c).
Who is named in “8-K - Merck & Co., Inc. (0000310158) (Filer)”
Companies mentioned with this story
- MRK Merck
Merck (MRK) is linked, with no stored direction, high confidence in the 29 Oct 2026 story “8-K - Merck & Co., Inc. (0000310158) (Filer).” Reason on file: SEC 8-K filing -> direct issuer disclosure -> MRK
How “8-K - Merck & Co., Inc. (0000310158) (Filer)” reaches Merck (MRK)
Merck (MRK) is the company in “8-K - Merck & Co., Inc. (0000310158) (Filer),” the 29 Oct 2026 this story story.
What ties Merck (MRK) to the headline is this: SEC 8-K filing -> direct issuer disclosure -> MRK
Dates in the story, and the Merck (MRK) price range
MRK traded between 139.39 and 154.04 across 15 sessions. The latest close on file is 141.10.
A simple score for Merck (MRK)
14 out of 100
“8-K - Merck & Co., Inc. (0000310158) (Filer)” scores 14 out of 100. The score uses 1 sources, and 1 linked companies.