MCKESSON CORP (MCK) is a publicly traded company in the Unknown sector. Across all available filings, 38 corporate insiders have executed 1011 transactions totaling $1.0B, demonstrating a bearish sentiment with -$1.0B in net insider flow. The most recent transaction on Feb 19, 2026 involved a sale of 349 shares valued at $328.0K.
No significant insider buying has been recorded for MCK in the recent period.
No significant insider selling has been recorded for MCK in the recent period.
Based on recent SEC filings, insider sentiment for MCK is bearish with an Insider Alignment Score of 0/100 and a net flow of -$1.0B. Insiders are reducing their positions, though this can be driven by factors unrelated to company outlook.
Insider trading at MCKESSON CORP (MCK) refers to stock transactions made by corporate insiders—executives, directors, and beneficial owners holding more than 10% of the company's shares. These individuals have access to material non-public information and are required by law to report their trades to the SEC within two business days. Currently, 38 insiders are actively trading MCK stock, having executed 1011 transactions in the past 90 days. The most active insider is John H. Hammergren (Executive), who has made 96 transactions totaling $634.8M.
Get notified when executives and directors at MCK file new Form 4 transactions
Date | Insider | Title | Type | Shares | Price | Value | Flags |
|---|---|---|---|---|---|---|---|
| Feb 19, 2026 | Martinez Maria | Executive | Sale | 349 | $939.87 | $328.0K | |
| Jan 5, 2026 | L. Rodgers Thomas | EVP, Chief Strategy & BDO | Sale | 276 | $816.18 | $225.3K | |
| Nov 7, 2025 | B. Rutledge Napoleon Jr | Executive | Sale | 329 | $861.63 | $283.5K | |
| Aug 22, 2025 | S. Tyler Brian | Executive | Sale | 11,930 | $705.63 | $8.4M | Large |
| Aug 15, 2025 | S. Tyler Brian | Executive | Sale | 11,930 | $677.76 | $8.1M | Large |
| Aug 8, 2025 | B. Rutledge Napoleon Jr | Executive | Sale | 329 | $663.67 | $218.3K | |
| Jul 30, 2025 | Wilson-thompson Kathleen | Executive | Award | 301 | $N/A | $0 | |
| Jul 30, 2025 | E. Lerman Bradley | Executive | Award | 301 | $N/A | $0 | |
| Jul 30, 2025 | Martinez Maria | Executive | Award | 301 | $N/A | $0 | |
| Jul 30, 2025 | J. Caruso Dominic | Executive | Award | 301 | $N/A | $0 | |
| Jul 11, 2025 | S. Tyler Brian | Executive | Sale | 19,371 | $708.09 | $13.7M | Large |
| Sep 5, 2024 | S. Tyler Brian | Executive | Sale | 3,753 | $561.10 | $2.1M | Large10b5-1 |
| Aug 5, 2024 | S. Tyler Brian | Executive | Sale | 3,753 | $626.03 | $2.3M | Large10b5-1 |
| Jul 31, 2024 | Martinez Maria | Executive | Award | 349 | $N/A | $0 | |
| Jul 31, 2024 | J. Caruso Dominic | Executive | Award | 349 | $N/A | $0 |
| TYPE | COUNT | VALUE | % |
|---|---|---|---|
Sale(S) | 405 | $1.0B | 66.3% |
Exercise(M) | 328 | $271.2M | 17.6% |
Payment(F) | 197 | $245.4M | 15.9% |
Award(A) | 66 | $3.1M | 0.2% |
Purchase(P) | 4 | $392.6K | 0.0% |
Gift(G) | 8 | $0 | 0.0% |
Disposition(D) | 1 | $0 | 0.0% |
Other(J) | 2 | $0 | 0.0% |
Insider selling pressure at MCKESSON CORP has increased, with 38 insiders executing 1011 transactions across all time. Total sales of $1.0B significantly outpace purchases of $392.6K, resulting in a net outflow of $1.0B. However, 52% of these transactions are pre-scheduled 10b5-1 plans, often used for tax planning or diversification rather than signaling negative outlook.