Brian P. Mckeon

Sits on 2 boards. Last updated September 27, 2026

Time on boards

Boards served
2
Current seats
2
Board service
4 years
Director since
2023

4 years of board service in total across 2 boards, counting each seat separately. Longest: Alkermes plc, 3 years.

Alkermes plc Director
3 years ยท Since 2023
6 months ยท Since 2026

Shareholder support

Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Date Company Transaction Shares Price Value
Jun 12, 2026 DENTSPLY SIRONA Inc. Open-market purchase +10,000 $10.12 $101,200
Jun 3, 2026 DENTSPLY SIRONA Inc. Grant or award +28,887 โ€” โ€”
May 21, 2026 Alkermes plc Option exercise +6,142 โ€” โ€”
May 21, 2026 Alkermes plc Shares withheld for tax โˆ’1,475 $36.95 $54,501
May 31, 2025 Alkermes plc Option exercise +8,013 โ€” โ€”
May 31, 2025 Alkermes plc Shares withheld for tax โˆ’1,924 $30.61 $58,894
Feb 14, 2025 IDEXX Laboratories Inc. Option exercise +252 โ€” โ€”
Feb 14, 2025 IDEXX Laboratories Inc. Option exercise +303 โ€” โ€”
Feb 14, 2025 IDEXX Laboratories Inc. Option exercise +308 โ€” โ€”
Feb 14, 2025 IDEXX Laboratories Inc. Option exercise +299 โ€” โ€”
Feb 14, 2025 IDEXX Laboratories Inc. Shares withheld for tax โˆ’569 $444.53 $252,938
Aug 5, 2024 IDEXX Laboratories Inc. Option exercise +192 โ€” โ€”
Aug 5, 2024 IDEXX Laboratories Inc. Shares withheld for tax โˆ’117 $455.08 $53,244
Jun 29, 2024 Alkermes plc Option exercise +6,104 โ€” โ€”
Jun 29, 2024 Alkermes plc Shares withheld for tax โˆ’1,465 $24.10 $35,307

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