MRKMerck & Co., Inc.
Healthcare · Drug Manufacturers - GeneralNYSEStockMkt cap $367.5B
Disclosed trades
257
0 in 30d · 6 in 90d
Politicians
47
Last trade Sep 24, 2026
Buys
116
$2.2M at range midpoints
Sells
138
$3.5M at range midpoints
Closing price · 365 days
Nov 6, 2025 – Nov 5, 2026
Monthly buys vs sells · 24 months
Counts of disclosed transactions
- Buys
- Sells (incl. partial)
Politicians who traded it
20 hold it now Estimated
| Politician | Seat | Trades | Buys | Sells | Bought (mid) | Sold (mid) | Last trade | Est. position Estimated |
|---|---|---|---|---|---|---|---|---|
| DRo Khanna | House · CA-17 | 75 | 35 | 40 | $509K | $885.5K | Sep 4, 2026 | $114K |
| RMichael T. McCaul | House · TX-10 | 37 | 11 | 26 | $778.5K | $1.5M | Aug 28, 2026 | — |
| RDiana Harshbarger | House · TN-01 | 14 | 8 | 6 | $64K | $48K | Feb 14, 2023 | $93.5K |
| DLois Frankel | House · FL-22 | 11 | 6 | 5 | $48K | $40K | Sep 8, 2023 | $35K |
| DJared Moskowitz | House · FL-23 | 9 | 6 | 3 | $48K | $24K | Jan 15, 2025 | $30.2K |
| DGilbert Ray Cisneros, Jr. | House · CA-31 | 8 | 5 | 3 | $64.5K | $48.5K | Dec 19, 2025 | $38.4K |
| RDavid P. Roe | House · TN-01 | 7 | 5 | 2 | $138K | $65K | Apr 7, 2020 | $138.7K |
| DKathy E. Manning | House · NC-06 | 7 | 6 | 1 | $72.5K | $8K | Jul 2, 2024 | $82K |
| DDaniel S. Goldman | House · NY-10 | 5 | 2 | 3 | $16K | $48.5K | Jul 14, 2023 | — |
| DJulie Johnson | House · TX-32 | 5 | 2 | 3 | $16K | $24K | Dec 18, 2025 | — |
| RRick W. Allen | House · GA-12 | 5 | 2 | 3 | $65K | $73K | Mar 10, 2021 | — |
| DTom Malinowski | House · NJ-07 | 5 | 2 | 2 | $65K | $65K | Nov 6, 2020 | — |
| RByron Donalds | House · FL-19 | 4 | 0 | 2 | $0 | $16K | Jan 16, 2025 | — |
| DJosh Gottheimer | House · NJ-05 | 4 | 1 | 3 | $8K | $48.5K | Feb 4, 2026 | $9.9K |
| RScott Franklin | House · FL-18 | 4 | 2 | 2 | $16K | $40.5K | Jun 16, 2025 | $6.1K |
| DKatherine M. Clark | House · MA-05 | 3 | 2 | 1 | $16K | $8K | Sep 16, 2021 | $13.9K |
| RMaria Elvira Salazar | House · FL-27 | 3 | 2 | 1 | $65K | $8K | Sep 24, 2026 | $54.8K |
| RMarjorie Taylor Greene | House · GA-14 | 3 | 3 | 0 | $24K | $0 | Aug 28, 2025 | $42.7K |
| RPeter Meijer | House · MI-03 | 3 | 1 | 2 | $8K | $16K | Jan 28, 2021 | — |
| RRobert P. Bresnahan, Jr. | House · PA-08 | 3 | 1 | 2 | $32.5K | $65K | May 15, 2025 | — |
| DThomas R. Suozzi | House · NY-03 | 3 | 1 | 2 | $32.5K | $65K | Nov 18, 2019 | — |
| RTommy Tuberville | Senate · AL | 3 | 1 | 2 | $8K | $16K | Oct 16, 2023 | $3K |
| DZoe Lofgren | House · CA-18 | 3 | 1 | 2 | $8K | $16K | May 25, 2023 | $5.2K |
| RBruce Westerman | House · AR-04 | 2 | 1 | 1 | $8K | $8K | Apr 21, 2025 | — |
| DGreg Stanton | House · AZ-04 | 2 | 1 | 1 | $8K | $8K | Oct 24, 2023 | — |
| RJefferson Shreve | House · IN-06 | 2 | 1 | 1 | $32.5K | $32.5K | Apr 17, 2025 | — |
| RJohn James | House · MI-10 | 2 | 1 | 1 | $8K | $8K | Sep 4, 2024 | $1.4K |
| RJohn R. Curtis | Senate · UT | 2 | 1 | 1 | $8K | $8K | Jul 19, 2021 | $1.9K |
| RLisa C. McClain | House · MI-09 | 2 | 1 | 1 | $8K | $8K | Aug 4, 2025 | — |
| RMichael C. Burgess | House · TX-26 | 2 | 0 | 2 | $0 | $16K | Apr 10, 2024 | — |
| DMikie Sherrill | House · NJ-11 | 2 | 0 | 2 | $0 | $8K | Feb 20, 2020 | — |
| DRitchie Torres | House · NY-15 | 2 | 1 | 1 | $8K | $8K | Jul 11, 2025 | — |
| RRobert J. Wittman | House · VA-01 | 2 | 1 | 1 | $8K | $8K | Feb 28, 2022 | $660 |
| DVal T. Hoyle | House · OR-04 | 2 | 1 | 1 | $8K | $8K | Sep 23, 2025 | — |
| RAlan Armstrong | Senate · OK | 1 | 0 | 1 | $0 | $32.5K | Mar 27, 2026 | — |
| RBob Gibbs | House · OH-07 | 1 | 1 | 0 | $8K | $0 | Nov 26, 2021 | $14.9K |
| RCarol D. Miller | House · WV-01 | 1 | 0 | 1 | $0 | $32.5K | Jul 28, 2021 | — |
| RGus M. Bilirakis | House · FL-12 | 1 | 0 | 1 | $0 | $0 | Oct 5, 2021 | — |
| RJohn H. Rutherford | House · FL-05 | 1 | 0 | 1 | $0 | $8K | Mar 16, 2022 | — |
| DJonathan L. Jackson | House · IL-01 | 1 | 0 | 1 | $0 | $32.5K | Sep 24, 2024 | — |
| DKelly Morrison | House · MN-03 | 1 | 0 | 1 | $0 | $8K | Mar 20, 2025 | — |
| RMike Gallagher | House · WI-08 | 1 | 0 | 1 | $0 | $8K | Jan 13, 2020 | — |
| RPete Ricketts | Senate · NE | 1 | 0 | 1 | $0 | $75K | Sep 21, 2023 | — |
| DRick Larsen | House · WA-02 | 1 | 1 | 0 | $8K | $0 | Jul 7, 2022 | $12.6K |
| DSara Jacobs | House · CA-51 | 1 | 0 | 1 | $0 | $75K | Apr 9, 2021 | — |
| RSheri Biggs | House · SC-03 | 1 | 0 | 1 | $0 | $32.5K | Mar 19, 2025 | — |
| DWilliam R. Keating | House · MA-09 | 1 | 1 | 0 | $8K | $0 | Mar 17, 2021 | $15.9K |
Recent trades
| Politician | Ticker | Asset | Type | Owner | Amount | vs S&P Estimated | Traded | Filed | Source |
|---|---|---|---|---|---|---|---|---|---|
| RMichael T. McCaul | MRK | MERCK &CO INC | Sell | Spouse | $50,001 - $100,000 | -4.5% | Aug 28, 2026 | Oct 14, 202647d | FilingOCR |
| RMaria Elvira Salazar | MRK | Merck & Company, Inc. Common Stock (MRK) | Partial | Self | $1,001 - $15,000 | -8.6% | Sep 24, 2026 | Oct 7, 202613d | Filing |
| DRo Khanna | MRK | MERCK & CO INC. CMN | Partial | Spouse | $1,001 - $15,000 | -8.6% | Sep 4, 2026 | Oct 7, 202633d | FilingOCR |
| RMaria Elvira Salazar | MRK | Merck & Company, Inc. Common Stock (MRK) | Buy | Self | $15,001 - $50,000 | +3.5% | Aug 19, 2026 | Sep 9, 202621d | Filing |
| RMaria Elvira Salazar | MRK | Merck & Company, Inc. Common Stock (MRK) | Buy | Self | $15,001 - $50,000 | +3.5% | Aug 19, 2026 | Sep 9, 202621d | Filing |
| DRo Khanna | MRK | MERCK & CO INC. CMN | Buy | Spouse | $1,001 - $15,000 | +2.6% | Aug 24, 2026 | Sep 4, 202611d | FilingOCR |
| DRo Khanna | MRK | MERCK & CO INC. CMN | Buy | Dependent | $15,001 - $50,000 | +2.6% | Aug 7, 2026 | Sep 4, 202628d | FilingOCR |
| DRo Khanna | MRK | MERCK & CO INC. CMN | PartialReview | Spouse | $1,001 - $15,000 | — | — | Sep 4, 2026 | FilingOCR |
| DRo Khanna | MRK | MERCK & CO INC. CMN | Buy | Spouse | $1,001 - $15,000 | +19.5% | Jul 8, 2026 | Aug 7, 202630d | FilingOCR |
| RAlan Armstrong | MRK | Merck & Company, Inc. Common Stock (new) | Sell | Self | $15,001 - $50,000 | -18.4% | Mar 27, 2026 | Jul 21, 2026116d | Filing |
| DRo Khanna | MRK | MERCK & CO., INC. CMN | Buy | Spouse | $1,001 - $15,000 | +18.3% | Jun 16, 2026 | Jul 6, 202620d | FilingOCR |
| DRo Khanna | MRK | MERCK & CO., INC, CMN | Buy | Dependent | $1,001 - $15,000 | +18.3% | Jun 2, 2026 | Jul 6, 202634d | FilingOCR |
| DRo Khanna | MRK | MERCK & CO., INC. CMN | Sell | Spouse | $15,001 - $50,000 | -23.4% | May 15, 2026 | Jun 9, 202625d | FilingOCR |
| DRo Khanna | MRK | MERCK& CO INC CMN | Buy | Spouse | $15,001 - $50,000 | +12.0% | Mar 10, 2026 | Apr 7, 202628d | FilingOCR |
| DJosh Gottheimer | MRK | Merck & Company, Inc. Common Stock (MRK) | Buy | Joint | $1,001 - $15,000 | +17.7% | Feb 4, 2026 | Mar 16, 202640d | Filing |
| RMichael T. McCaul | MRK | MERCK &CO. INC | Sell | Spouse | $15,001 - $50,000 | -17.2% | Jan 13, 2026 | Feb 11, 202629d | FilingOCR |
| DRo Khanna | MRK | MERCK & CO., INC. CMN | Sell | Spouse | $15,001 - $50,000 | -14.4% | Jan 29, 2026 | Feb 6, 20268d | FilingOCR |
| DJulie Johnson | MRK | Merck & Company, Inc. Common Stock (MRK) | Sell | Joint | $1,001 - $15,000 | -26.5% | Dec 18, 2025 | Jan 15, 202628d | Filing |
| RMichael T. McCaul | MRK | MERCK AND CO INC SHS | SellReview | Spouse | $15,001 - $50,000 | — | — | Jan 15, 2026 | FilingOCR |
| DGilbert Ray Cisneros, Jr. | MRK | Merck & Company, Inc. Common Stock (MRK) | Buy | Self | $1,001 - $15,000 | +29.1% | Dec 19, 2025 | Jan 12, 202624d | Filing |
| DGilbert Ray Cisneros, Jr. | MRK | Merck & Company, Inc. Common Stock (MRK) | Buy | Self | $1,001 - $15,000 | +38.9% | Nov 18, 2025 | Dec 15, 202527d | Filing |
| DJulie Johnson | MRK | Merck & Company, Inc. Common Stock (MRK) | Partial | Joint | $1,001 - $15,000 | -42.0% | Nov 13, 2025 | Dec 11, 202528d | Filing |
| DVal T. Hoyle | MRK | Merck & Company, Inc. Common Stock (MRK) | Sell | Spouse | $1,001 - $15,000 | -58.6% | Sep 23, 2025 | Oct 10, 202517d | Filing |
| RSheri Biggs | MRK | Merck & Company, Inc. Common Stock (MRK) | Sell | Spouse | $15,001 - $50,000 | -56.3% | Mar 19, 2025 | Oct 5, 2025200d | Filing |
| DRo Khanna | MRK | MERCK & CO., INC. CMN | Partial | Dependent | $1,001 - $15,000 | -55.2% | Sep 29, 2025 | Oct 3, 20254d | FilingOCR |
| DGilbert Ray Cisneros, Jr. | MRK | Merck & Company, Inc. Common Stock (MRK) | Buy | Self | $1,001 - $15,000 | +65.9% | Aug 5, 2025 | Sep 12, 202538d | Filing |
| RLisa C. McClain | MRK | Merck & Company, Inc. Common Stock (MRK) | Sell | Spouse | $1,001 - $15,000 | -65.9% | Aug 4, 2025 | Sep 12, 202539d | Filing |
| DVal T. Hoyle | MRK | Merck & Company, Inc. Common Stock (MRK) | Buy | Spouse | $1,001 - $15,000 | +65.9% | Oct 29, 2024 | Sep 12, 2025318d | Filing |
| RMichael T. McCaul | MRK | MERCK AND CO INC | Sell | Spouse | $50,001 - $100,000 | -61.1% | Aug 22, 2025 | Sep 11, 202520d | FilingOCR |
| DJulie Johnson | MRK | Merck & Company, Inc. Common Stock (MRK) | Partial | Joint | $1,001 - $15,000 | -61.1% | Aug 14, 2025 | Sep 11, 202528d | Filing |
| DRo Khanna | MRK | MERCK & CO., INC. CMN | Buy | Spouse | $1,001 - $15,000 | +61.0% | Aug 4, 2025 | Sep 9, 202536d | FilingOCR |
| RMarjorie Taylor Greene | MRK | Merck & Company, Inc. Common Stock (MRK) | Buy | Self | $1,001 - $15,000 | +61.0% | Aug 28, 2025 | Aug 29, 20251d | Filing |
| DRitchie Torres | MRK | Merck & Company, Inc. Common Stock (MRK) | Sell | Self | $1,001 - $15,000 | -58.7% | Jul 11, 2025 | Aug 20, 202540d | Filing |
| DRitchie Torres | MRK | Merck & Company, Inc. Common Stock (MRK) | Buy | Self | $1,001 - $15,000 | +58.7% | Sep 26, 2024 | Aug 20, 2025328d | Filing |
| RLisa C. McClain | MRK | Merck & Company, Inc. Common Stock (MRK) | Buy | Spouse | $1,001 - $15,000 | +64.0% | Jun 24, 2025 | Aug 13, 202550d | Filing |
| DRo Khanna | MRK | MERCK & CO., INC, CMN | Buy | Spouse | $1,001 - $15,000 | +66.9% | Jul 1, 2025 | Aug 7, 202537d | FilingOCR |
| RScott Franklin | MRK | Merck & Company, Inc. Common Stock (MRK) | Sell | Joint | $1,001 - $15,000 | -58.3% | Jun 16, 2025 | Jul 14, 202528d | Filing |
| DJulie Johnson | MRK | Merck & Company, Inc. Common Stock (MRK) | Buy | Joint | $1,001 - $15,000 | +58.3% | Jun 13, 2025 | Jul 14, 202531d | Filing |
| DRo Khanna | MRK | MERCK & CO., INC. CMN | BuyReview | Unknown | $15,001 - $50,000 | +58.1% | Jun 23, 2025 | Jul 9, 202516d | FilingOCR |
| RScott Franklin | MRK | Merck & Company, Inc. Common Stock (MRK) | Buy | Spouse | $1,001 - $15,000 | +64.3% | Aug 7, 2024 | Jul 3, 2025330d | Filing |
| DRo Khanna | MRK | MERCK & CO., INC, CMN | Partial | Dependent | $1,001 - $15,000 | -59.1% | May 19, 2025 | Jun 10, 202522d | FilingOCR |
| DRo Khanna | MRK | MERCK &CO. INC COM | SellReview | Dependent | $1,001 - $15,000 | -59.1% | May 9, 2025 | Jun 10, 202532d | FilingOCR |
| DRo Khanna | MRK | MERCK &CO. INC COM | SellReview | Spouse | $1,001 - $15,000 | -59.1% | May 9, 2025 | Jun 10, 202532d | FilingOCR |
| RMichael T. McCaul | MRK | MERCK AND CO INC SHS | Buy | Spouse | $50,001 - $100,000 | +63.0% | May 19, 2025 | Jun 9, 202521d | FilingOCR |
| DGilbert Ray Cisneros, Jr. | MRK | Merck & Company, Inc. Common Stock (MRK) | Sell | Self | $1,001 - $15,000 | -63.7% | May 30, 2025 | Jun 6, 20257d | Filing |
| RRobert P. Bresnahan, Jr. | MRK | Merck & Company, Inc. Common Stock (MRK) | Sell | Self | $15,001 - $50,000 | -69.0% | May 15, 2025 | May 31, 202516d | Filing |
| DRo Khanna | MRK | MERCK & CO., INC, CMN | Sell | Spouse | $15,001 - $50,000 | -57.0% | Apr 23, 2025 | May 12, 202519d | FilingOCR |
| RBruce Westerman | MRK | Merck & Company, Inc. Common Stock (MRK) | Sell | Self | $1,001 - $15,000 | -57.0% | Apr 21, 2025 | May 12, 202521d | Filing |
| DRo Khanna | MRK | MERCK & CO., INC. CMN | BuyReview | Unknown | $15,001 - $50,000 | +57.0% | Apr 15, 2025 | May 12, 202527d | FilingOCR |
| DRo Khanna | MRK | MERCK &CO. INC COM | Buy | Dependent | $1,001 - $15,000 | +57.0% | Apr 4, 2025 | May 12, 202538d | FilingOCR |
Insider activity Filed
Insiders
32
Pharmaceutical Preparations
Open-market buys · 90d
0
$0 bought
Open-market sells · 90d
7
$18M sold
Net · 90d
-$18M
-$71.3M net over 12 months · last Nov 1, 2026
| Date | Insider | Kind | Security | Shares | Price | Value | Post-holdings | D/I | 10b5-1 | Source |
|---|---|---|---|---|---|---|---|---|---|---|
| Nov 1, 2026filed Nov 3, 2026 | Paul J Diaz | Award | Phantom Stockderiv. | 613.07 | $149.52 | — | 613.07 | D | — | 4 |
| Sep 30, 2026filed Oct 1, 2026 | Christine E Seidman | Award | Phantom Stockderiv. | 55.91 | $145.31 | — | 21,490.40 | D | — | 4 |
| Sep 30, 2026filed Oct 1, 2026 | Surendralal Lanca KarsanbhaiPresident & CEO | Award | Phantom Stockderiv. | 111.83 | $145.31 | — | 5,667.01 | D | — | 4 |
| Sep 30, 2026filed Oct 1, 2026 | Mary Ellen Coe | Award | Phantom Stockderiv. | 206.46 | $145.31 | — | 32,419.87 | D | — | 4 |
| Aug 13, 2026filed Aug 13, 2026 | Chirfi GuindoEVP, Access, Policy & Comms | Sale | Common Stock | −10,000 | $135.00 | $1,350,000 | 36,613.13 | D | — | 4 |
| Aug 12, 2026filed Aug 12, 2026 | Richard R. DeLucaEVP&Pres, Merck Animal Heallth | Sale | Common Stock | −600 | $132.04 | $79,222 | 110,167.07 | D | — | 4 |
| Aug 12, 2026filed Aug 12, 2026 | Richard R. DeLucaEVP&Pres, Merck Animal Heallth | Sale | Common Stock | −11,099 | $131.61 | $1,460,770 | 110,767.07 | D | — | 4 |
| Aug 12, 2026filed Aug 13, 2026 | Jennifer ZacharyEVP, General Counsel | Exercise | Stock Option (Right to Buy)deriv. | −13,433 | $0.00 | — | 0 | D | — | 4 |
| Aug 12, 2026filed Aug 13, 2026 | Jennifer ZacharyEVP, General Counsel | Exercise | Stock Option (Right to Buy)deriv. | −41,494 | $0.00 | — | 0 | D | — | 4 |
| Aug 12, 2026filed Aug 13, 2026 | Jennifer ZacharyEVP, General Counsel | Sale | Common Stock | −80,315 | $133.46 | $10,718,495 | 45,509.25 | D | — | 4 |
Shares, prices and post-transaction holdings are exactly as reported on SEC Form 4. Net figures count open-market buys minus open-market sales only (awards, exercises, withholding and gifts are excluded).
Unusual activity Estimated
- 41Hindsight movePublic Sep 21, 2026 · traded Aug 7, 2026
MRK rose 16% in the 30 trading days after Rep. Ro Khanna's dependent child's buy (hindsight)
Details
- Politician
- Ro Khanna
- Ticker
- MRK
- Asset
- MERCK & CO INC. CMN
- Tx type
- buy
- Traded
- Aug 7, 2026
- Filed
- Sep 4, 2026
- Amount low
- $15,001
- Amount high
- $50,000
- Range midpoint (estimate)
- $32,501
- Disclosed range
- $15,001 - $50,000
- Reporting lag days
- 28
- Owner type
- dependent
- Is whale
- No
- Entry date
- Aug 7, 2026
- Entry close
- 128.58
- Exit date
- Sep 21, 2026
- Exit close
- 149.50
- Forward return
- +16.3%
- Sign adjusted return
- +16.3%
- N trading days
- 30
- Hindsight
- Yes
- Measured from
- trade date
- Public from
- Sep 21, 2026
- Method version
- 2026-11-03
- 46Hindsight movePublic Aug 19, 2026 · traded Jul 8, 2026
MRK rose 21% in the 30 trading days after Rep. Ro Khanna's spouse's buy (hindsight)
Details
- Politician
- Ro Khanna
- Ticker
- MRK
- Asset
- MERCK & CO INC. CMN
- Tx type
- buy
- Traded
- Jul 8, 2026
- Filed
- Aug 7, 2026
- Amount low
- $1,001
- Amount high
- $15,000
- Range midpoint (estimate)
- $8,001
- Disclosed range
- $1,001 - $15,000
- Reporting lag days
- 30
- Owner type
- spouse
- Is whale
- No
- Entry date
- Jul 8, 2026
- Entry close
- 125.99
- Exit date
- Aug 19, 2026
- Exit close
- 152.20
- Forward return
- +20.8%
- Sign adjusted return
- +20.8%
- N trading days
- 30
- Hindsight
- Yes
- Measured from
- trade date
- Public from
- Aug 19, 2026
- Method version
- 2026-11-03
- 43Committee overlapPublic Jul 21, 2026 · traded Mar 27, 2026
Sen. Alan Armstrong sold $15,001–$50,000 of MRK while sitting on Senate Health
Details
- Committee
- Senate Committee on Health, Education, Labor, and Pensions
- Leadership seat
- No
- Sector
- Healthcare
- Disclosed range
- $15,001 - $50,000
- Traded
- Mar 27, 2026
- Filed
- Jul 21, 2026
- Public from
- Jul 21, 2026
- Method version
- 2026-11-03
- 65Insider overlapPublic Apr 7, 2026 · traded Mar 10, 2026
Rep. Ro Khanna's spouse bought MRK 28 days after its President sold $1.2M
Details
- Politician
- Ro Khanna
- Ticker
- MRK
- Asset
- MERCK& CO INC CMN
- Tx type
- buy
- Traded
- Mar 10, 2026
- Filed
- Apr 7, 2026
- Amount low
- $15,001
- Amount high
- $50,000
- Range midpoint (estimate)
- $32,501
- Disclosed range
- $15,001 - $50,000
- Reporting lag days
- 28
- Owner type
- spouse
- Is whale
- No
- Insider trade
- {"insider":{"slug":"dean-y-li","name":"Dean Y Li","title":"Executive VP & President, MRL","short_title":"President"},"company":"Merck & Co., Inc.","ticker":"MRK","tx_kind":"open_market_sale","tx_date":"2026-02-10","shares":10235,"price":117.5226,"value":1202843.81,"is_10b5_1":false,"filing_date":"2026-02-10"}
- Days between
- 28
- Opposite side
- Yes
- Public from
- Apr 7, 2026
- Method version
- 2026-11-03
- 65Insider overlapPublic Mar 16, 2026 · traded Feb 4, 2026
Rep. Josh Gottheimer (joint account) bought MRK the same day its President sold $1.8M
Details
- Politician
- Josh Gottheimer
- Ticker
- MRK
- Asset
- Merck & Company, Inc. Common Stock (MRK)
- Tx type
- buy
- Traded
- Feb 4, 2026
- Filed
- Mar 16, 2026
- Amount low
- $1,001
- Amount high
- $15,000
- Range midpoint (estimate)
- $8,001
- Disclosed range
- $1,001 - $15,000
- Reporting lag days
- 40
- Owner type
- joint
- Is whale
- No
- Insider trade
- {"insider":{"slug":"dean-y-li","name":"Dean Y Li","title":"Executive VP & President, MRL","short_title":"President"},"company":"Merck & Co., Inc.","ticker":"MRK","tx_kind":"open_market_sale","tx_date":"2026-02-04","shares":15087,"price":118.7661,"value":1791824.15,"is_10b5_1":false,"filing_date":"2026-02-06"}
- Days between
- 0
- Opposite side
- Yes
- Public from
- Mar 16, 2026
- Method version
- 2026-11-03
- 50Insider overlapPublic Feb 11, 2026 · traded Jan 13, 2026
Rep. Michael T. McCaul's spouse sold MRK 22 days before its President sold $1.8M
Details
- Politician
- Michael T. McCaul
- Ticker
- MRK
- Asset
- MERCK &CO. INC
- Tx type
- sell
- Traded
- Jan 13, 2026
- Filed
- Feb 11, 2026
- Amount low
- $15,001
- Amount high
- $50,000
- Range midpoint (estimate)
- $32,501
- Disclosed range
- $15,001 - $50,000
- Reporting lag days
- 29
- Owner type
- spouse
- Is whale
- No
- Insider trade
- {"insider":{"slug":"dean-y-li","name":"Dean Y Li","title":"Executive VP & President, MRL","short_title":"President"},"company":"Merck & Co., Inc.","ticker":"MRK","tx_kind":"open_market_sale","tx_date":"2026-02-04","shares":15087,"price":118.7661,"value":1791824.15,"is_10b5_1":false,"filing_date":"2026-02-06"}
- Days between
- -22
- Opposite side
- No
- Public from
- Feb 11, 2026
- Method version
- 2026-11-03
- 50Insider overlapPublic Feb 6, 2026 · traded Jan 29, 2026
Rep. Ro Khanna's spouse sold MRK 6 days before its President sold $1.8M
Details
- Politician
- Ro Khanna
- Ticker
- MRK
- Asset
- MERCK & CO., INC. CMN
- Tx type
- sell
- Traded
- Jan 29, 2026
- Filed
- Feb 6, 2026
- Amount low
- $15,001
- Amount high
- $50,000
- Range midpoint (estimate)
- $32,501
- Disclosed range
- $15,001 - $50,000
- Reporting lag days
- 8
- Owner type
- spouse
- Is whale
- No
- Insider trade
- {"insider":{"slug":"dean-y-li","name":"Dean Y Li","title":"Executive VP & President, MRL","short_title":"President"},"company":"Merck & Co., Inc.","ticker":"MRK","tx_kind":"open_market_sale","tx_date":"2026-02-04","shares":15087,"price":118.7661,"value":1791824.15,"is_10b5_1":false,"filing_date":"2026-02-06"}
- Days between
- -6
- Opposite side
- No
- Public from
- Feb 6, 2026
- Method version
- 2026-11-03
- 42Hindsight movePublic Feb 4, 2026 · traded Dec 19, 2025
MRK rose 17% in the 30 trading days after Rep. Gilbert Ray Cisneros, Jr.'s buy (hindsight)
Details
- Politician
- Gilbert Ray Cisneros, Jr.
- Ticker
- MRK
- Asset
- Merck & Company, Inc. Common Stock (MRK)
- Tx type
- buy
- Traded
- Dec 19, 2025
- Filed
- Jan 12, 2026
- Amount low
- $1,001
- Amount high
- $15,000
- Range midpoint (estimate)
- $8,001
- Disclosed range
- $1,001 - $15,000
- Reporting lag days
- 24
- Owner type
- self
- Is whale
- No
- Entry date
- Dec 19, 2025
- Entry close
- 101.09
- Exit date
- Feb 4, 2026
- Exit close
- 118.33
- Forward return
- +17.1%
- Sign adjusted return
- +17.1%
- N trading days
- 30
- Hindsight
- Yes
- Measured from
- trade date
- Public from
- Feb 4, 2026
- Method version
- 2026-11-03
- 30Cluster sellPublic Oct 5, 2025 · traded Mar 19, 2025
3 members sold MRK within 14 days
Details
- Ticker
- MRK
- Side
- sell
- Window days
- 14
- Window start
- Mar 19, 2025
- Window end
- Mar 31, 2025
- N politicians
- 3
- N trades
- 3
- Sum of range midpoints (estimate)
- $73,002
- Has whale
- No
- Members
- Sheri Biggs, Kelly Morrison, Gilbert Ray Cisneros, Jr.
- Tx ids
- 90,495, 94,906, 95,158
- Public from
- Oct 5, 2025
- Method version
- 2026-11-03
- 30Cluster buyPublic Aug 13, 2025 · traded Jun 13, 2025
3 members bought MRK within 14 days
Details
- Ticker
- MRK
- Side
- buy
- Window days
- 14
- Window start
- Jun 13, 2025
- Window end
- Jun 24, 2025
- N politicians
- 3
- N trades
- 3
- Sum of range midpoints (estimate)
- $48,502
- Has whale
- No
- Members
- Julie Johnson, Ro Khanna, Lisa C. McClain
- Tx ids
- 92,618, 125,258, 92,075
- Public from
- Aug 13, 2025
- Method version
- 2026-11-03