MCK MCKESSON CORP Insider Trading

CEO Brian S. Tyler sells 8,463 shares of MCK for $6.7M under pre-arranged 10b5-1 plan; holdings drop 58.8%.

Brian S. Tyler, Chief Executive Officer, sold 8,463 shares of MCKESSON CORP at $793.56 on 2026-07-07 for a total value of $6,715,898.28, reducing his holdings from 14,382 shares to 5,919 shares. This transaction is part of a pre-arranged 10b5-1 trading plan, meaning the sale was scheduled rather than discretionary. The stock currently trades at $818.66, within its 52-week range of $637.00–$999.00. This sale represents a substantial reduction in his direct equity stake in the company, occurring within a pattern of recent MCK sales (two additional sales in June 2026) under the same plan framework.

CEO Brian S. Tyler sold 8,463 MCK shares ($6.6M) via pre-arranged 10b5-1 plan; stock -24.4% from 52-week high at $775.13.

Brian S. Tyler, CEO of McKesson, sold 8,463 shares at $775.13 on 2026-06-17 under a pre-arranged 10b5-1 trading plan, reducing his holdings by 37.0% from 22,845 to 14,382 shares. This transaction was scheduled and automatic rather than discretionary. The stock is currently trading at $754.84, down 24.4% from its 52-week high of $999.00 and down 14.8% over the past 90 days. Across his cross-ticker track record, Tyler's 20 prior open-market sales averaged +8.5% returns in the 90 days following execution, suggesting his prior sales historically preceded stock appreciation; at MCK specifically, his prior 4 completed sales showed mixed outcomes (ranging from -2.0% to +24.9% over 90 days). The scheduled nature of this execution under a 10b5-1 plan indicates pre-planned portfolio management rather than a discretionary market timing decision.

CEO Brian S. Tyler sells 4,929 MCK shares at $763.00 under 10b5-1 plan; retains 22,845 shares post-sale.

Brian S. Tyler, CEO of McKesson Corp, sold 4,929 shares at $763.00 for $3,760,827.00 on 2026-06-09 under a pre-arranged 10b5-1 trading plan. The sale reduced his holdings by 4,929 shares to 22,845 shares, a -17.7% reduction in his position. His prior open-market sells across all tickers show an average 90-day return of +8.0%, while his same-ticker history at MCK across 5 prior sales shows mixed outcomes, ranging from 90-day returns of -2.0% to +24.9%. The transaction is scheduled under a 10b5-1 plan, removing discretionary timing as a factor in the execution.

EVP Thomas L Rodgers sold 822 shares of MCK at $735.30 avg via scheduled 10b5-1 plan; stock down -9.8% in 30 days.

Thomas L Rodgers, EVP and Chief Strategy & BDO at MCKESSON CORP, executed 2 separate sales totaling 822 shares for $604,420.23 on 2026-06-01 and 2026-06-02 under a pre-arranged 10b5-1 trading plan. His holdings fell from 3,090 shares to 2,268 shares post-transaction. The stock is currently trading at $734.28, approximately -26.5% from its 52-week high of $999.00, with a 30-day decline of -9.8% and 90-day decline of -25.0%. Rodgers' prior sales at MCK have shown mixed outcomes: his 5 previous trades at this ticker ranged from +6.4% to -4.4% over 30 days, and -4.4% to +0.1% over 90 days. As a scheduled transaction, this sale reflects plan execution rather than a discretionary market decision.

EVP & Chief HR Officer Leann B Smith sold 1,810 shares of MCK at $735.50 under 10b5-1 plan; retains 4,798 shares post-sale.

Leann B Smith, EVP & Chief HR Officer, executed a sale of 1,810 shares (1.8K shares) for $1,331,255.00 under a pre-arranged 10b5-1 trading plan on 2026-06-01. The sale reduced her holdings by 27.4% from 6,608 shares (6.6K shares) to 4,798 shares (4.8K shares). Because this transaction is part of a scheduled 10b5-1 trading plan, it reflects a predetermined trading program rather than a discretionary decision responding to current market conditions. The executive retains meaningful ownership with 4,798 shares remaining, indicating continued alignment with the company. At current price of $734.28, MCK trades -26.5% from its 52-week high of $999.00 and down -25.0% over the past 90 days, though the scheduled nature of the plan means the execution was set in advance of recent price movement.

Michele Lau, then-EVP and Chief Legal Officer, sold 3,550 shares of MCK at $761.09 for $2.7M on 2026-05-26 under a 10b5-1 plan.

Michele Lau, who was EVP and Chief Legal Officer at the time, executed a sale of 3,550 shares (3.6K shares) for $2,701,869.50 ($2.7M) as part of a pre-arranged 10b5-1 trading plan, reducing her holdings by -52.2% to 3,247 shares (3.2K shares). The transaction was scheduled rather than discretionary. At the time of sale, MCK was trading at $761.09; the stock has since declined to $754.71 current price, -24.4% from its 52-week high of $999.00. Across all of Lau's open-market activity at other tickers, her prior sells have averaged -23.8% 90-day returns; at MCK specifically, her prior sale on 2026-03-02 resulted in a 90-day return of -23.8%. The company reported $106.2B in latest-quarter revenue with net income of $1.2B and annual revenue growth of +12.4%.

MCK EVP Rodgers sells 2,388 shares ($1.8M) under 10b5-1 plan; retains 3,090 shares post-transaction.

Thomas L Rodgers, EVP and Chief Strategy Officer, sold 2,388 shares at $761.09 on 2026-05-26 under a pre-arranged 10b5-1 trading plan, reducing his non-derivative holdings from 5,478 to 3,090 shares (a -43.6% reduction in that portion). The sale occurred as MCK stock trades at $754.71, down -24.4% from its 52-week high of $999.00. His prior five sales at MCK show mixed post-transaction returns: the most recent 2025-05-30 sale yielded 30-day +1.9% and 90-day -4.4% returns, while his 2024 sales ranged from 30-day +4.1% to +6.4% but 90-day outcomes of -0.9% to -1.8%. The stock's broader momentum reflects a 30-day decline of -8.9% and 90-day decline of -22.6% from transaction date perspective. Because this is a scheduled 10b5-1 transaction, no discretionary timing inference is appropriate; the sale reflects a pre-arranged divestment plan rather than a response to current valuation or market conditions.

MCK EVP/Chief Legal Officer Michele Lau sold 2,725 shares at $990.00 on 2026-03-02 for $2.7M; retains 3,247 shares post-trade.

Michele Lau, EVP and Chief Legal Officer, executed an open-market sale of 2,725 shares at $990.00, reducing her position from 5,972 to 3,247 shares (a -45.6% reduction relative to pre-transaction holdings). The sale occurred at $990.00, near the stock's 52-week high of $995.69, with the current price at $978.71. Across her cross-ticker track record, Lau's prior 2 sales averaged -2.8% 90-day returns and achieved a 100.00% well-timed rate, indicating past sales have preceded stock declines. MCK itself trades at P/E 27.62 with strong recent momentum (+20.2% over 90 days, +15.6% over 30 days) and solid fundamentals ($106.2B revenue, +16.2% annual growth, $1.2B net income). The concentration of this sale—liquidating 45.6% of holdings near a multi-year peak—merits monitoring alongside her historical pattern of well-timed exits, though the sale remains modest in absolute shareholder impact given her remaining 3,247-share position.

CEO Tyler Brian S. sold 11,930 MCK shares at $705.63 for $8.4M, reducing stake 74.8% to 4,012 shares.

Tyler Brian S., Chief Executive Officer, executed a substantial sale of 11,930 shares on 2025-08-22 at $705.63, resulting in a holding reduction from 15,942 to 4,012 shares—a 74.8% decrease in his position. The stock has since declined 7.7% from its 52-week high of $735.33 and is currently trading at $678.91, down 4.6% over 30 days. At the same ticker (MCK), his prior five trades show mixed post-sale outcomes: two measurable 90-day results (+11.9% and +14.2% in earlier 2025 sales), indicating the stock has generally risen after his prior sales at this company rather than fallen. His cross-ticker track record across 20 prior sells shows an average 90-day return of +6.0% and a 33.33% well-timed rate, revealing that sales have historically underperformed as the underlying stocks advanced. The current transaction follows a sale just seven days prior (2025-08-15) at the same ticker, suggesting active liquidation rather than isolated positioning decisions.

MCK CEO Tyler Brian S. sells 11,930 shares ($8.1M) at $677.76; reduces holdings 42.8% post-transaction.

Tyler Brian S., CEO of McKesson, sold 11,930 shares on 2025-08-15 at $677.76, reducing his holdings from 27,872 shares to 15,942 shares—a 42.8% reduction in stake. The current price of $676.91 sits -7.9% from the 52-week high ($735.33), and the stock has declined -4.6% over the past 30 days and -5.8% over 90 days. Examining his same-ticker history at MCK: of 3 prior sales with measurable 90-day outcomes, zero were well-timed (all showed positive returns post-sale, meaning he sold before subsequent gains). His cross-ticker track record shows 0 of 20 prior sales were well-timed at the 90-day mark—a pattern of selling into strength rather than declining prices. The company's fundamentals remain solid with $97.8B in annual revenue and 16.2% YoY growth, suggesting the sale reflects portfolio positioning rather than fundamental distress.