Ellen H. Masterson

Sits on 2 boards. Last updated September 28, 2026

Time on boards

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

7 years of board service in total across 2 boards, counting each seat separately. Longest: Westwood Holdings Group Inc, 3 years.

3 years ยท Since 2023
Insperity Inc. Director
3 years ยท Since 2023

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
May 18, 2026 Insperity Inc. Grant or award +6,201 โ€” โ€”
Apr 30, 2026 Westwood Holdings Group Inc Grant or award +5,780 โ€” โ€”
Mar 11, 2026 Insperity Inc. Open-market purchase +1,200 $19.90 $23,880
Aug 4, 2025 Insperity Inc. Open-market purchase +490 $45.30 $22,197
May 20, 2025 Insperity Inc. Grant or award +2,678 โ€” โ€”
Apr 30, 2025 Westwood Holdings Group Inc Grant or award +5,690 โ€” โ€”
Feb 12, 2025 Insperity Inc. Open-market purchase +1,755 $85.75 $150,491
May 21, 2024 Insperity Inc. Grant or award +1,818 โ€” โ€”
May 20, 2024 Westwood Holdings Group Inc Grant or award +7,547 โ€” โ€”
Dec 15, 2023 Insperity Inc. Open-market sale โˆ’100 $117.55 $11,755
May 22, 2023 Insperity Inc. Grant or award +1,574 โ€” โ€”
Apr 26, 2023 Westwood Holdings Group Inc Grant or award +7,917 โ€” โ€”

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