Joanne M. Maguire

Companies

• Vistance Networks, Inc.Board member Jan 5, 2016 to now¹
• VisteonBoard member Jan 7, 2015 to now²
• Tetra TechBoard member Nov 8, 2016 to Oct 2, 2024³
• Freescale SemiconductorBoard member Nov 7, 2013 to Dec 9, 2015⁴
• Lockheed MartinExecutive Vice President Jul 10, 2006 to Mar 12, 2013⁵

Holdings

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

Shares held

• Tetra Tech TTEK97,785 shares⁶$3.4M at $34.63Sep 30, 2024
• VNVistance Networks, Inc. VISN175,300 shares⁷$1.0M at $5.84May 7, 2026
• Visteon VC6,258 shares⁸$545.5K at $87.17Jun 15, 2026

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

Recent filings

• Jun 5, 2026Exercised options 1,829 shares of Visteon⁹
• May 7, 2026Granted 16,807 shares of Vistance Networks, Inc.⁷
• Jun 6, 2025Exercised options 1,396 shares of Visteon¹⁰
• May 8, 2025Granted 40,000 shares of Vistance Networks, Inc.¹¹
• Sep 30, 2024Exercised options 2,125 shares of Tetra Tech⁶
• Aug 5, 2024Shares withheld for tax 862 shares at $225.24 of Tetra Tech¹²
• Aug 5, 2024Exercised options 4,000 shares at $47.95 of Tetra Tech¹²
• Jun 8, 2024Exercised options 841 shares of Visteon¹³
• Nov 21, 2023Granted 1,054 shares of Tetra Tech¹⁴
• Nov 18, 2023Exercised options 380 shares of Tetra Tech¹⁵
• Jun 23, 2023Exercised options 1,189 shares of Visteon¹⁶
• May 11, 2023Granted 47,170 shares of Vistance Networks, Inc.¹⁷
• Nov 18, 2022Exercised options 318 shares of Tetra Tech¹⁸
• Nov 18, 2022Granted 1,710 shares of Tetra Tech¹⁸
• Jun 10, 2022Exercised options 1,003 shares of Visteon¹⁹
• Jun 1, 2022Bought 1,000 shares at $7.87 of Vistance Networks, Inc.²⁰
• May 6, 2022Granted 16,667 shares of Vistance Networks, Inc.²¹
• Nov 23, 2021Granted 2,310 shares of Tetra Tech²²
• Nov 18, 2021Exercised options 410 shares of Tetra Tech²³