Mckesson Corp (MCK): Congress and insider trades
Who in Congress and inside the company traded MCK, when each filing appeared, and what buying after each one would have earned against the S&P 500.
Key Facts
- Mckesson Corp (MCK) is a listed stock on NYSE.
- 16 members of Congress filed 43 buys and 26 sells of MCK, the latest published 2026-09-07 (7 September 2026).
- Insiders filed 0 open market buys worth $0 and 10 sells worth $24M, the latest filed 2026-09-10 (10 September 2026).
- Across 25 scored buys, Congress averaged +3.9% against the S&P 500 (SPY) over the 90 days after disclosure, with 68% of them ahead of the index. That result is not distinguishable from luck.
- Data as of 2026-09-29 (29 September 2026).
Congress buys 43 16 members
Congress sells 26
Insider buys 0 $0
Insider sells 10 $24M
Congress buys vs S&P, 90d +3.9% 25 scored buys
Insider buys vs S&P, 90d n/a 0 scored buys
Congress trades in MCK
as of 2026-09-07| Filed | Member | Type | Size | Days to file | 90 day vs S&P |
|---|---|---|---|---|---|
| 7 Sep 2026 | Ro Khanna (D-CA) | buy | 1K–15K | 25 | n/a |
| 12 Aug 2026 | Ro Khanna (D-CA) | buy | 1K–15K | 18 | n/a |
| 21 Jul 2026 | Alan Armstrong (R-OK) | buy | 1K–15K | 116 | n/a |
| 16 Jul 2026 | Jonathan Jackson (D-IL) | sell | 1K–15K | 30 | n/a |
| 13 Jul 2026 | Rick Larsen (D-WA) | buy | 1K–15K | 4 | n/a |
| 9 Jul 2026 | Ritchie Torres (D-NY) | buy | 1K–15K | 547 | n/a |
| 8 Jul 2026 | Ro Khanna (D-CA) | sell | 1K–15K | 34 | n/a |
| 11 Jun 2026 | Ro Khanna (D-CA) | sell | 15K–50K | 25 | n/a |
| 11 Jun 2026 | Ro Khanna (D-CA) | buy | 1K–15K | 13 | +10.0% |
| 11 Jun 2026 | Ro Khanna (D-CA) | sell | 1K–15K | 39 | n/a |
| 1 May 2026 | Lizzie Fletcher (D-TX) | sell | 1K–15K | 23 | n/a |
| 9 Apr 2026 | Ro Khanna (D-CA) | sell | 1K–15K | 15 | n/a |
| 12 Mar 2026 | Ro Khanna (D-CA) | buy | 1K–15K | 13 | -27.9% |
| 2 Mar 2026 | Markwayne Mullin (R-OK) | buy | 15K–50K | 26 | -37.9% |
| 4 Feb 2026 | Markwayne Mullin (R-OK) | buy | 15K–50K | 30 | -30.9% |
| 4 Feb 2026 | Markwayne Mullin (R-OK) | buy | 15K–50K | 30 | -30.9% |
| 19 Jan 2026 | Jared Moskowitz (D-FL) | buy | 1K–15K | 45 | -0.3% |
| 19 Jan 2026 | Jared Moskowitz (D-FL) | buy | 1K–15K | 45 | -0.3% |
| 14 Jan 2026 | Julia Letlow (R-LA) | buy | 1K–15K | 391 | +1.0% |
| 13 Jan 2026 | Gil Cisneros (D-CA) | sell | 1K–15K | 24 | n/a |
| 16 Dec 2025 | Gil Cisneros (D-CA) | buy | 1K–15K | 27 | +16.7% |
| 15 May 2025 | Josh Gottheimer (D-NJ) | sell | 1K–15K | 35 | n/a |
| 11 Oct 2023 | Lois Frankel (D-FL) | sell | 1K–15K | 32 | n/a |
| 7 Sep 2023 | Ro Khanna (D-CA) | sell | 1K–15K | 34 | n/a |
| 24 Aug 2023 | Josh Gottheimer (D-NJ) | sell | 1K–15K | 34 | n/a |
| 12 Jul 2023 | Ro Khanna (D-CA) | buy | 1K–15K | 12 | +14.2% |
| 12 Jul 2023 | Ro Khanna (D-CA) | buy | 1K–15K | 15 | +14.2% |
| 15 Jun 2023 | Bill Keating (D-MA) | buy | 1K–15K | 7 | +1.0% |
| 14 Jun 2023 | Ro Khanna (D-CA) | buy | 1K–15K | 20 | +4.0% |
| 12 Jun 2023 | Josh Gottheimer (D-NJ) | sell | 1K–15K | 23 | n/a |
| 20 Apr 2023 | Josh Gottheimer (D-NJ) | sell | 1K–15K | 45 | n/a |
| 12 Apr 2023 | Ro Khanna (D-CA) | buy | 1K–15K | 24 | +4.1% |
| 20 Mar 2023 | Josh Gottheimer (D-NJ) | sell | 1K–15K | 22 | n/a |
| 10 Mar 2023 | Ro Khanna (D-CA) | sell | 15K–50K | 26 | n/a |
| 10 Mar 2023 | Ro Khanna (D-CA) | sell | 1K–15K | 22 | n/a |
| 20 Feb 2023 | Josh Gottheimer (D-NJ) | sell | 1K–15K | 17 | n/a |
| 9 Feb 2023 | Ro Khanna (D-CA) | buy | 1K–15K | 27 | +5.3% |
| 4 Jan 2023 | Ro Khanna (D-CA) | sell | 1K–15K | 28 | n/a |
| 4 Jan 2023 | Ro Khanna (D-CA) | buy | 1K–15K | 28 | -7.9% |
| 7 Dec 2022 | Ro Khanna (D-CA) | buy | 1K–15K | 33 | -12.4% |
| 1 Dec 2022 | Diana Harshbarger (R-TN) | buy | 1K–15K | 39 | -8.3% |
| 1 Dec 2022 | Diana Harshbarger (R-TN) | buy | 1K–15K | 39 | -8.3% |
| 1 Dec 2022 | Diana Harshbarger (R-TN) | buy | 1K–15K | 39 | -8.3% |
| 12 Oct 2022 | Ro Khanna (D-CA) | sell | 1K–15K | 8 | n/a |
| 15 Sep 2022 | Kathy Manning (D-NC) | sell | 1K–15K | 42 | n/a |
| 11 Aug 2022 | Kathy Manning (D-NC) | buy | 1K–15K | 21 | +8.8% |
| 2 Aug 2022 | Diana Harshbarger (R-TN) | buy | 1K–15K | 37 | +23.8% |
| 2 Aug 2022 | Diana Harshbarger (R-TN) | buy | 1K–15K | 37 | +23.8% |
| 2 Aug 2022 | Diana Harshbarger (R-TN) | buy | 1K–15K | 37 | +23.8% |
| 3 Jun 2022 | Diana Harshbarger (R-TN) | buy | 1K–15K | 6 | +19.0% |
| 3 Jun 2022 | Diana Harshbarger (R-TN) | buy | 1K–15K | 6 | +19.0% |
| 3 Jun 2022 | Diana Harshbarger (R-TN) | buy | 1K–15K | 6 | +19.0% |
| 18 Apr 2022 | Josh Gottheimer (D-NJ) | buy | 1K–15K | 39 | +14.4% |
| 6 Apr 2022 | Lois Frankel (D-FL) | buy | 1K–15K | 29 | +14.8% |
| 6 Apr 2022 | Lois Frankel (D-FL) | sell | 1K–15K | 35 | n/a |
| 4 Apr 2022 | Earl Blumenauer (D-OR) | buy | 1K–15K | 36 | +22.6% |
| 4 Apr 2022 | Earl Blumenauer (D-OR) | sell | 1K–15K | 18 | n/a |
| 28 Feb 2022 | Lois Frankel (D-FL) | buy | 1K–15K | 38 | +26.4% |
| 28 Feb 2022 | Lois Frankel (D-FL) | buy | 1K–15K | 20 | +26.4% |
| 9 Feb 2022 | Ro Khanna (D-CA) | buy | 1K–15K | 18 | +33.9% |
| 8 Dec 2021 | Ro Khanna (D-CA) | sell | 1K–15K | 28 | n/a |
| 16 Nov 2021 | Josh Gottheimer (D-NJ) | sell | 1K–15K | 18 | n/a |
| 14 Oct 2021 | Josh Gottheimer (D-NJ) | sell | 1K–15K | 41 | n/a |
| 16 Sep 2021 | Ro Khanna (D-CA) | sell | 1K–15K | 30 | n/a |
| 16 Sep 2021 | Ro Khanna (D-CA) | buy | 1K–15K | 40 | +6.5% |
| 16 Sep 2021 | Ro Khanna (D-CA) | buy | 1K–15K | 22 | +6.5% |
| 22 Apr 2021 | Josh Gottheimer (D-NJ) | buy | 1K–15K | 29 | -3.1% |
| 17 Dec 2020 | Ro Khanna (D-CA) | buy | 1K–15K | 43 | n/a |
| 10 Dec 2020 | Josh Gottheimer (D-NJ) | buy | 1K–15K | 26 | n/a |
Nothing matches that search.
Insider trades in MCK
as of 2026-09-10| Filed | Insider | Type | Shares | Price | Value | 90 day vs S&P |
|---|---|---|---|---|---|---|
| 10 Sep 2026 | Rutledge Napoleon B JR | sell | 111 | $891.45 | $99.0K | n/a |
| 11 Aug 2026 | Lerman Bradley E | sell | 301 | $892.33 | $269K | n/a |
| 8 Jul 2026 | TYLER BRIAN S. | sell | 8,463 | $793.56 | $6.7M | n/a |
| 18 Jun 2026 | TYLER BRIAN S. | sell | 8,463 | $775.13 | $6.6M | n/a |
| 11 Jun 2026 | TYLER BRIAN S. | sell | 4,929 | $763.00 | $3.8M | n/a |
| 3 Jun 2026 | Rodgers Thomas L | sell | 123 | $735.50 | $90.5K | n/a |
| 3 Jun 2026 | Rodgers Thomas L | sell | 699 | $735.27 | $514K | n/a |
| 2 Jun 2026 | Smith LeAnn B | sell | 1,810 | $735.50 | $1.3M | n/a |
| 27 May 2026 | Lau Michele | sell | 3,550 | $761.09 | $2.7M | n/a |
| 27 May 2026 | Rodgers Thomas L | sell | 2,388 | $761.09 | $1.8M | n/a |
Nothing matches that search.
Related pages
Frequently asked questions
Who has bought MCK?
43 Congress buys by 16 members and 0 insider buys are on file. The tables on this page list every one.
Did buying MCK after a disclosure beat the market?
Across 25 scored buys, Congress averaged +3.9% against the S&P 500 (SPY) over the 90 days after disclosure, with 68% of them ahead of the index. That result is not distinguishable from luck. A single stock is a small sample.
Sources: Congressional trades: STOCK Act disclosures, collected from CapitolTrades. Insider trades: SEC Form 4 filings, collected from Finviz. Prices: Yahoo Finance daily adjusted closes. Data as of 2026-09-29 (29 September 2026). About these sources.
Not investment advice. Past disclosed trades do not predict future returns. Disclosures are published late, so the trades shown are ones you could only have copied after the fact. Talk to a licensed adviser before you invest.