McKesson (MCK) insider buying and selling
Every Table I transaction reported by directors and officers of S&P 500 companies on SEC Form 4 filings (2 business days to file): each row labeled with its official transaction code, nothing filtered out beforehand.
Open-market purchases (code P) are the rare signal, in green; sales (code S) are common and often pre-scheduled (10b5-1). Table II (derivatives) is not included: its prices are exercise prices, not market values. Guide: insider buying.
| Date | Ticker | Insider | Role | Shares | Price | Amount | % of stake | Type / filing |
|---|
Download these transactions as CSV No account, no sign-up. The data is public: it comes from SEC Form 4 filings.
McKesson Corporation (MCK) insider buying and selling: no purchases, 20 sales
81 Form 4 Table I transactions filed with the SEC by McKesson Corporation insiders between 2025-08-25 and 2026-10-19 (15-month history): 0 open-market purchases and 20 sales, plus 61 transactions under other Form 4 codes, broken down one by one below. The largest open-market trade is a sale of $8.4M by Tyler Brian S. on 2025-08-22.
McKesson insider buying and selling over the last 12 months
Between Oct 21, 2025 and Oct 20, 2026, McKesson insiders filed 19 sales worth $29.1M on the open market, and no purchases.
The biggest seller was Tyler Brian S. (Chief Executive Officer): $17.0M in 3 sales, out of 8 different sellers.
The largest trade of the period was a sale of $6.7M on Jul 7, 2026, by Tyler Brian S. (Chief Executive Officer), under a 10b5-1 plan. Form 4 on sec.gov (0000927653-26-000187).
Of the 19 sales, 17 (89%, $28.5M) carry the 10b5-1 plan flag on the Form 4, meaning they were scheduled months ahead; the other 2 do not.
The last three months show 3 sales, against 9 in the three before. The latest sale from Oct 15, 2026.
Against its sector (Healthcare, 59 companies with an insider page on this site), over the same dates the median is 9 sales and 0 purchases on the open market. McKesson has more sales than 45 of the other 58, ranks 24 of 59 by net dollars sold, and 19 of the 59 have at least one purchase.
The 20 most important trades
With no open-market purchases, the table starts with MCK's sales, largest first. The full history is in the tool above, already searched.
See all 81 MCK trades in the full history →
| Trade date | Filed | Insider | Role | Amount | Code | Filing |
|---|---|---|---|---|---|---|
| 2025-08-22 | 2025-08-25 | Tyler Brian S. | Chief Executive Officer | $8.4M | S — Open-market sale (scheduled 10b5-1)Form 4 footnoteF1 Sale pursuant to a previously adopted plan dated November 8, 2024, in compliance with Rule 10b5-1(c). | SEC |
| 2026-07-07 | 2026-07-08 | Tyler Brian S. | Chief Executive Officer | $6.7M | S — Open-market sale (scheduled 10b5-1)Form 4 footnoteF1 Sale pursuant to a previously adopted plan dated December 15, 2025, in compliance with Rule 10b5-1(c). | SEC |
| 2026-06-17 | 2026-06-18 | Tyler Brian S. | Chief Executive Officer | $6.6M | S — Open-market sale (scheduled 10b5-1)Form 4 footnoteF1 Sale pursuant to a previously adopted plan dated December 15, 2025, in compliance with Rule 10b5-1(c). | SEC |
| 2026-06-09 | 2026-06-11 | Tyler Brian S. | Chief Executive Officer | $3.8M | S — Open-market sale (scheduled 10b5-1)Form 4 footnoteF1 Sale pursuant to a previously adopted plan dated December 15, 2025, in compliance with Rule 10b5-1(c). | SEC |
| 2026-05-26 | 2026-05-27 | Lau Michele | EVP and Chief Legal Officer | $2.7M | S — Open-market sale (scheduled 10b5-1)Form 4 footnoteF1 Sale pursuant to a previously adopted plan dated August 19, 2025, in compliance with Rule 10b5-1(c). | SEC |
| 2026-03-02 | 2026-03-04 | Lau Michele | EVP and Chief Legal Officer | $2.7M | S — Open-market sale (scheduled 10b5-1)Form 4 footnoteF1 Sale pursuant to a previously adopted plan dated August 19, 2025, in compliance with Rule 10b5-1(c). | SEC |
| 2026-05-26 | 2026-05-27 | Rodgers Thomas L | EVP, Chief Strategy & BDO | $1.8M | S — Open-market sale (scheduled 10b5-1)Form 4 footnoteF2 Sale pursuant to a previously adopted plan dated August 18, 2025, in compliance with Rule 10b5-1(c). | SEC |
| 2026-06-01 | 2026-06-02 | Smith Leann B | EVP & Chief HR Officer | $1.3M | S — Open-market sale (scheduled 10b5-1)Form 4 footnoteF1 Sale pursuant to a previously adopted plan dated June 8, 2025, in compliance with Rule 10b5-1(c). | SEC |
| 2026-10-15 | 2026-10-19 | Fraga Francisco | EVP, CIO and CTO | $797k | S — Open-market sale (scheduled 10b5-1)2 Form 4 footnotesF1 Sale pursuant to a previously adopted plan dated March 10, 2026, in compliance with Rule 10b5-1(c). F2 Includes 6.78 shares acquired on June 30, 2026 and 6.79 shares acquired on September 30, 2026 under the Fidelity Dividend Reinvestment Plan. | SEC |
| 2026-06-02 | 2026-06-03 | Rodgers Thomas L | EVP, Chief Strategy & BDO | $514k | S — Open-market sale (scheduled 10b5-1)Form 4 footnoteF1 Sale pursuant to a previously adopted plan dated August 18, 2025, in compliance with Rule 10b5-1(c). | SEC |
| 2026-02-19 | 2026-02-23 | Martinez Maria | Director | $328k | S — Open-market sale | SEC |
| 2026-02-06 | 2026-02-09 | Rutledge Napoleon B Jr | SVP, Controller & CAO | $313k | S — Open-market sale (scheduled 10b5-1)Form 4 footnoteF1 Sale pursuant to a previously adopted plan dated February 7, 2025, in compliance with Rule 10b5-1(c). | SEC |
| 2025-11-07 | 2025-11-10 | Rutledge Napoleon B Jr | SVP, Controller & CAO | $283k | S — Open-market sale (scheduled 10b5-1)Form 4 footnoteF1 Sale pursuant to a previously adopted plan dated February 7, 2025, in compliance with Rule 10b5-1(c). | SEC |
| 2026-02-11 | 2026-02-13 | Lau Michele | EVP and Chief Legal Officer | $283k | S — Open-market sale (scheduled 10b5-1)Form 4 footnoteF1 Sale pursuant to a previously adopted plan dated November 26, 2024, in compliance with Rule 10b5-1(c). | SEC |
| 2026-08-10 | 2026-08-11 | Lerman Bradley E | Director | $269k | S — Open-market sale | SEC |
| 2026-01-05 | 2026-01-06 | Rodgers Thomas L | EVP, Chief Strategy & BDO | $225k | S — Open-market sale (scheduled 10b5-1)Form 4 footnoteF1 Sale pursuant to a previously adopted plan dated August 18, 2025, in compliance with Rule 10b5-1(c). | SEC |
| 2026-02-17 | 2026-02-18 | Smith Leann B | EVP & Chief HR Officer | $180k | S — Open-market sale (scheduled 10b5-1)Form 4 footnoteF1 Sale pursuant to a previously adopted plan dated June 8, 2025, in compliance with Rule 10b5-1(c). | SEC |
| 2026-06-05 | 2026-06-08 | Rutledge Napoleon B Jr | SVP, Controller & CAO | $102k | S — Open-market sale (scheduled 10b5-1)Form 4 footnoteF1 Sale pursuant to a previously adopted plan dated March 2, 2026, in compliance with Rule 10b5-1(c). | SEC |
| 2026-09-08 | 2026-09-10 | Rutledge Napoleon B Jr | SVP, Controller & CAO | $99k | S — Open-market sale (scheduled 10b5-1)Form 4 footnoteF1 Sale pursuant to a previously adopted plan dated March 2, 2026, in compliance with Rule 10b5-1(c). | SEC |
| 2026-06-01 | 2026-06-03 | Rodgers Thomas L | EVP, Chief Strategy & BDO | $90k | S — Open-market sale (scheduled 10b5-1)Form 4 footnoteF1 Sale pursuant to a previously adopted plan dated August 18, 2025, in compliance with Rule 10b5-1(c). | SEC |
The period balance: money in, money out
In the Form 4 filings submitted between Aug 25, 2025 and Oct 19, 2026 there is not one open-market purchase of McKesson Corporation: 20 sales worth $37.5M and zero dollars bought.
Only codes P and S count, where an insider puts in or takes out their own money. A selling balance like McKesson Corporation's is the norm in the S&P 500, where much of the pay comes as stock. It is not a recommendation to buy or sell: it is what was filed.
Every transaction, code by code
| Code | What it means | Trades | Reported amount |
|---|---|---|---|
| F | Tax withholding (shares surrendered for taxes) | 29 | $23.2M |
| M | Option exercise | 22 | $0 |
| S | Open-market sale | 20 | $37.5M |
| A | Grant or award | 10 | $676k |
| Total | Everything filed in the period | 81 | $61.4M |
29 of the 81 rows carry no usable amount on the Form 4: they count as trades and add $0. The code labels come from the SEC index.
Who has traded
Over the 15 months of history, 11 distinct people or entities have filed McKesson Corporation transactions: none bought on the open market and 8 sold. Counted by CIK, the fixed number the SEC gives each filer, and not by name, which each filer types their own way.
Of the 8 who sold on the open market (20 sales in all), the three biggest sellers account for $33.8M of the $37.5M: 90% of the money in three people.
| Filer | Role | Transactions | Bought (count) | Sold (count) | Last filed |
|---|---|---|---|---|---|
| Tyler Brian S. | Chief Executive Officer | 12 | — | $25.5M (4) | 2026-07-08 |
| Lau Michele | EVP and Chief Legal Officer | 11 | — | $5.7M (3) | 2026-05-27 |
| Rodgers Thomas L | EVP, Chief Strategy & BDO | 12 | — | $2.6M (4) | 2026-06-03 |
| Smith Leann B | EVP & Chief HR Officer | 12 | — | $1.5M (2) | 2026-06-02 |
| Rutledge Napoleon B Jr | SVP, Controller & CAO | 12 | — | $797k (4) | 2026-09-10 |
| Fraga Francisco | EVP, CIO and CTO | 9 | — | $797k (1) | 2026-10-19 |
| Martinez Maria | Director | 2 | — | $328k (1) | 2026-07-23 |
| Lerman Bradley E | Director | 1 | — | $269k (1) | 2026-08-11 |
Shown here are the 8 who moved the most money, out of 11. The rest are in the full history, one link above. The name links to all their trades, in any company. "Transactions" counts any code; the money, open market only. Role: from their latest filing.
Month by month
By the month the trade was executed, not the month it was filed; months with no trades show zero. The busiest month was Jun 2026: 0 purchases and 6 sales, worth $12.4M. 4 of the 15 months have none.
| Month | Purchases | Amount | Sales | Amount |
|---|---|---|---|---|
| Aug 2025 | 0 | $0 | 1 | $8.4M |
| Sep 2025 | 0 | $0 | 0 | $0 |
| Oct 2025 | 0 | $0 | 0 | $0 |
| Nov 2025 | 0 | $0 | 1 | $283k |
| Dec 2025 | 0 | $0 | 0 | $0 |
| Jan 2026 | 0 | $0 | 1 | $225k |
| Feb 2026 | 0 | $0 | 4 | $1.1M |
| Mar 2026 | 0 | $0 | 1 | $2.7M |
| Apr 2026 | 0 | $0 | 0 | $0 |
| May 2026 | 0 | $0 | 2 | $4.5M |
| Jun 2026 | 0 | $0 | 6 | $12.4M |
| Jul 2026 | 0 | $0 | 1 | $6.7M |
| Aug 2026 | 0 | $0 | 1 | $269k |
| Sep 2026 | 0 | $0 | 1 | $99k |
| Oct 2026 | 0 | $0 | 1 | $797k |
The last month may be partial: a Form 4 is filed up to two business days later. The table does not say whether the pattern is good or bad; it says when it happened.
McKesson Corporation (MCK) analysis page →
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How to read this data
18 of the 20 sales in the table are flagged as scheduled (10b5-1 plan): signed months ahead and executed automatically, so they say nothing about what the insider thinks today. McKesson has no open-market purchase (code P) in the history, the most common case in the S&P 500: insiders are already paid in stock. The latest filing is from Oct 19, 2026, and a Form 4 arrives up to two business days after the trade.
18 of the 20 rows in the table carry footnotes from the Form 4 itself, folded into the code column and copied verbatim; a row with no footnote means the filing has none.
Guide: Insider buying · all guides
What is behind these trades
The concepts on this page, explained from scratch in the Academy. Free, no account.
- What the efficiency hypothesis says and what it does NOT sayIf an insider's purchase is public and anyone can read it, is there any information left in it? That is the exact question that brings people here.
- Who really moves the market: the types of investorWho sits on the other side of each order, and where a company's own insiders fit among them.
- Supply, demand and price: why it rises and falls constantlyHow a piece of news ends up inside the price, and why the reaction to a filed sale is rarely the one you would expect.
Source: SEC EDGAR Form 4. This is a list of public facts, not financial advice or a recommendation to buy or sell.