Corinna Lathan

Companies

• ChronoScale Holdings CorpBoard member Dec 28, 2021 to now¹
• Parametric Technology CorporationBoard member Aug 17, 2017 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

• CChronoScale Holdings Corp CHRN462,409 shares³$7.0M at $15.08May 16, 2025
• Parametric Technology Corporation PTC8,429 shares⁴$1.6M at $193.15Mar 16, 2026

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

Recent filings

• Mar 16, 2026Sold 675 shares at $157.24 of Parametric Technology Corporation⁴
• Feb 11, 2026Exercised options 1,500 shares of Parametric Technology Corporation⁵
• May 16, 2025Granted 236,202 shares of ChronoScale Holdings Corp³
• Mar 17, 2025Sold 622 shares at $155.53 of Parametric Technology Corporation⁶
• Feb 12, 2025Exercised options 1,383 shares of Parametric Technology Corporation⁷
• Nov 25, 2024Sold 860 shares at $200.00 of Parametric Technology Corporation⁸
• Jun 6, 2024Granted 78,217 shares of ChronoScale Holdings Corp⁹
• May 9, 2024Sold 1,901 shares at $179.39 of Parametric Technology Corporation¹⁰
• Feb 14, 2024Exercised options 1,901 shares of Parametric Technology Corporation¹¹
• Nov 2, 2023Bought 4,032 shares at $1.24 of ChronoScale Holdings Corp¹²
• Sep 15, 2023Sold 800 shares at $140.71 of Parametric Technology Corporation¹³
• Aug 23, 2023Bought 5,500 shares at $0.95 of ChronoScale Holdings Corp¹²
• Aug 10, 2023Bought 4,201 shares at $1.25 of ChronoScale Holdings Corp¹²
• Jun 15, 2023Sold 800 shares at $141.10 of Parametric Technology Corporation¹⁴
• Jun 8, 2023Granted 67,392 shares of ChronoScale Holdings Corp¹⁵
• Jun 8, 2023Granted 72,993 shares of ChronoScale Holdings Corp¹⁶
• Feb 16, 2023Exercised options 2,081 shares of Parametric Technology Corporation¹⁷
• Feb 15, 2023Sold 761 shares at $134.16 of Parametric Technology Corporation¹⁸
• Nov 15, 2022Sold 761 shares at $131.18 of Parametric Technology Corporation¹⁹
• Jun 9, 2022Granted 51,721 shares of ChronoScale Holdings Corp²⁰
• Jan 31, 2022Exercised options 1,727 shares of Parametric Technology Corporation²¹
• Dec 25, 2021Granted 15,000 shares of ChronoScale Holdings Corp²²