MCK's three largest insider shareholders as of June 18, 2026 are Brian S. Tyler (Chief Executive Officer, 24.64K shares), Britt J. Vitalone (Evp Cfo, 14.03K shares), Marie L/Ca Knowles (Director, 7.55K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Christine M Jacobs | - | 7,551 | 0 | 26 Jul, 2021 |
| Marie L/Ca Knowles | - | 7,551 | 0 | 26 Jul, 2021 |
| Donald R Knauss | - | 773 | 0 | 25 Jul, 2023 |
| Kathleen Wilson-Thompson | - | 301 | 0 | 31 Jul, 2025 |
| Brian S. Tyler | Chief Executive Officer | 24,639 | 0 | 03 Aug, 2021 |
| Dominic J Caruso | - | 650 | 0 | 31 Jul, 2025 |
| Bradley E Lerman | - | 301 | 0 | 31 Jul, 2025 |
| Lori A. Schechter | Evp, Chief Legal Officer Gc | 0 | 4,178 | 12 Dec, 2022 |
| Britt J. Vitalone | Evp Cfo | 14,028 | 0 | 29 May, 2025 |
| Nancy Avila | Evp, Cio Cto | 4,631 | 0 | 01 Jun, 2023 |
| Thomas L Rodgers | Evp, Chief Strategy Bdo | 2,268 | 0 | 06 Jan, 2026 |
| Linda Provie Mantia | - | 483 | 0 | 25 Jul, 2023 |
| Michele Lau | Evp And Chief Legal Officer | 3,247 | 0 | 04 Mar, 2026 |
| Kevin Emerson | Svp, Controller Cao | 0 | 0 | 03 Feb, 2022 |
| Leann B Smith | Evp Chief Hr Officer | 2,989 | 0 | 18 Feb, 2026 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 02 Mar, 2026 | Michele Lau | Common Stock | D | 2,725 | $990.00 | 3,247 | D | S |
| 17 Feb, 2026 | Leann B Smith | Common Stock | D | 190 | $945.00 | 2,989 | D | S |
| 17 Feb, 2026 | Leann B Smith | Common Stock | D | 190 | $945.00 | 2,989 | D | S |
| 11 Feb, 2026 | Michele Lau | Common Stock | D | 303 | $933.39 | 5,972 | D | S |
| 10 Feb, 2026 | Leann B Smith | Common Stock | A | 508 | $0.00 | 3,308 | D | M |
| 10 Feb, 2026 | Leann B Smith | Common Stock | A | 508 | $0.00 | 3,308 | D | M |
| 10 Feb, 2026 | Leann B Smith | Common Stock | D | 129 | $935.21 | 3,179 | D | F |
| 10 Feb, 2026 | Leann B Smith | Common Stock | D | 129 | $935.21 | 3,179 | D | F |
| 10 Feb, 2026 | Leann B Smith | Restricted Stock Units (RSUs) | D | 508 | $0.00 | 0 | D | M |
| 10 Feb, 2026 | Leann B Smith | Restricted Stock Units (RSUs) | D | 508 | $0.00 | 0 | D | M |
| 09 Feb, 2026 | Michele Lau | Common Stock | A | 3,990 | $0.00 | 7,237 | D | M |
| 09 Feb, 2026 | Michele Lau | Common Stock | D | 1,421 | $962.32 | 5,816 | D | F |
| 09 Feb, 2026 | Michele Lau | Common Stock | A | 758 | $0.00 | 6,574 | D | M |
| 09 Feb, 2026 | Michele Lau | Common Stock | D | 299 | $962.32 | 6,275 | D | F |
| 09 Feb, 2026 | Michele Lau | Restricted Stock Units (RSUs) | D | 3,990 | $0.00 | 0 | D | M |
| 09 Feb, 2026 | Michele Lau | Restricted Stock Units (RSUs) | D | 758 | $0.00 | 758 | D | M |
| 06 Feb, 2026 | Napoleon B Jr Rutledge | Common Stock | D | 328 | $955.00 | 0 | D | S |
| 05 Jan, 2026 | Thomas L Rodgers | Common Stock | D | 276 | $816.18 | 2,268 | D | S |
| 05 Jan, 2026 | Thomas L Rodgers | Common Stock | D | 276 | $816.18 | 2,268 | D | S |
| 07 Nov, 2025 | Napoleon B Jr Rutledge | Common Stock | D | 329 | $861.63 | 328 | D | S |