Kimberly E. Ritrievi

Companies

• Mativ Holdings, Inc.Board member Mar 1, 2018 to now¹
• Tetra TechBoard member Nov 15, 2013 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

• Tetra Tech TTEK192,259 shares³$6.7M at $34.78Mar 16, 2026
• MMativ Holdings, Inc. MATV30,640 shares⁴$354.7K at $11.57Jul 6, 2026

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

Recent filings

• Mar 16, 2026Granted 25,883 shares of Tetra Tech³
• Mar 16, 2026Exercised options 1,718 shares of Tetra Tech³
• Mar 16, 2026Exercised options 2,125 shares of Tetra Tech³
• Mar 16, 2026Exercised options 1,900 shares of Tetra Tech³
• Mar 16, 2026Exercised options 795 shares of Tetra Tech³
• Mar 16, 2026Exercised options 795 shares of Tetra Tech³
• Mar 16, 2026Exercised options 2,050 shares of Tetra Tech³
• Mar 16, 2026Exercised options 2,910 shares of Tetra Tech³
• Mar 16, 2026Exercised options 1,925 shares of Tetra Tech³
• Mar 16, 2026Exercised options 2,250 shares of Tetra Tech³
• Mar 16, 2026Exercised options 4,500 shares of Tetra Tech³
• Jan 12, 2026Granted 2,208 shares of Tetra Tech⁵
• May 29, 2025Bought 10,000 shares at $5.88 of Mativ Holdings, Inc.⁶
• Nov 20, 2024Granted 2,390 shares of Tetra Tech⁷
• Nov 20, 2024Other of Tetra Tech⁸
• Sep 11, 2024Sold 6,500 shares at $46.48 of Tetra Tech⁹
• Feb 8, 2023Sold 1,800 shares at $151.09 of Tetra Tech¹⁰
• Nov 18, 2022Gift 641 shares of Tetra Tech¹¹
• Aug 24, 2022Gift 200 shares of Tetra Tech¹²
• Jul 26, 2022Exercised options 13,640 shares of Mativ Holdings, Inc.¹³
• May 13, 2022Bought 1,000 shares at $27.15 of Mativ Holdings, Inc.¹⁴
• May 13, 2022Bought 1,000 shares at $27.15 of Mativ Holdings, Inc.¹⁵
• Nov 23, 2021Gift 265 shares of Tetra Tech¹⁶
• Nov 22, 2021Gift 530 shares of Tetra Tech¹⁶
• Nov 8, 2021Bought 3,000 shares at $35.22 of Mativ Holdings, Inc.¹⁷