Ellen H. Masterson

Companies

• InsperityBoard member Sep 22, 2017 to now¹
• Westwood Holdings GroupBoard member Apr 22, 2014 to now²

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• Insperity NSP27,181 shares³$1.4M at $50.80May 18, 2026
• WWestwood Holdings Group WHG52,614 shares⁴$994.7K at $18.91Apr 30, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• May 18, 2026Granted 6,201 shares of Insperity³
• Apr 30, 2026Granted 5,780 shares of Westwood Holdings Group⁴
• Mar 11, 2026Bought 1,200 shares at $19.90 of Insperity⁵
• Aug 4, 2025Bought 490 shares at $45.30 of Insperity⁶
• May 20, 2025Granted 2,678 shares of Insperity⁷
• Apr 30, 2025Granted 5,690 shares of Westwood Holdings Group⁸
• Feb 12, 2025Bought 1,755 shares at $85.75 of Insperity⁹
• May 21, 2024Granted 1,818 shares of Insperity¹⁰
• May 20, 2024Granted 7,547 shares of Westwood Holdings Group¹¹
• Dec 15, 2023Sold 100 shares at $117.55 of Insperity¹²
• May 22, 2023Granted 1,574 shares of Insperity¹³
• Apr 26, 2023Granted 7,917 shares of Westwood Holdings Group¹⁴
• Apr 26, 2023Granted 7,917 shares of Westwood Holdings Group¹⁵
• May 23, 2022Granted 1,877 shares of Insperity¹⁶
• Apr 27, 2022Granted 5,898 shares of Westwood Holdings Group¹⁷