Volpi Kirsten M has filed 23 insider transactions across 1 company since February 2024.
Most recent transaction: a option exercise of 1000 shares of TETRA TECH INC ($TTEK) on February 10, 2026.
Activity breakdown: 0 open-market purchases and 4 sales.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb. 10, 2026 | TETRA TECH INC | $TTEK | Volpi Kirsten M | Director | M | COMMON STOCK | 1000 | $9.59 | 70,218.0000 | 262,731,000 | 1.44% | 0.00% |
| Feb. 10, 2026 | TETRA TECH INC | $TTEK | Volpi Kirsten M | Director | M | STOCK OPTION (RIGHT TO BUY) | 1000 | $0.00 | 8,000.0000 | 262,731,000 | 11.11% | 0.00% |
| Nov. 19, 2025 | TETRA TECH INC | $TTEK | Volpi Kirsten M | Director | A | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 1964 | $0.00 | 1,964.0000 | 267,123,000 | 9999.99% | 0.00% |
| Nov. 28, 2025 | TETRA TECH INC | $TTEK | Volpi Kirsten M | Director | M | COMMON STOCK | 1000 | $9.59 | 69,218.0000 | 267,123,000 | 1.47% | 0.00% |
| Nov. 30, 2025 | TETRA TECH INC | $TTEK | Volpi Kirsten M | Director | M | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 1718 | $0.00 | 0.0000 | 267,123,000 | 100.00% | 0.00% |
| Nov. 30, 2025 | TETRA TECH INC | $TTEK | Volpi Kirsten M | Director | M | COMMON STOCK | 1718 | $0.00 | 68,218.0000 | 267,123,000 | 2.58% | 0.00% |
| Nov. 28, 2025 | TETRA TECH INC | $TTEK | Volpi Kirsten M | Director | M | STOCK OPTION (RIGHT TO BUY) | 1000 | $9.59 | 9,000.0000 | 267,123,000 | 10.00% | 0.00% |
| Nov. 18, 2025 | TETRA TECH INC | $TTEK | Volpi Kirsten M | Director | A | COMMON STOCK | 4104 | $0.00 | 66,500.0000 | 267,123,000 | 6.58% | 0.00% |
| Feb. 4, 2025 | TETRA TECH INC | $TTEK | Volpi Kirsten M | Director | S | COMMON STOCK | 1671 | $34.41 | 68,641.0000 | 271,886,000 | 2.38% | 0.00% |
| Feb. 4, 2025 | TETRA TECH INC | $TTEK | Volpi Kirsten M | Director | S | COMMON STOCK | 4100 | $34.33 | 64,541.0000 | 271,886,000 | 5.97% | 0.00% |
| Feb. 4, 2025 | TETRA TECH INC | $TTEK | Volpi Kirsten M | Director | S | COMMON STOCK | 4345 | $34.31 | 60,196.0000 | 271,886,000 | 6.73% | 0.00% |
| Feb. 5, 2025 | TETRA TECH INC | $TTEK | Volpi Kirsten M | Director | M | COMMON STOCK | 6000 | $9.59 | 66,196.0000 | 271,886,000 | 9.97% | 0.00% |
| Feb. 5, 2025 | TETRA TECH INC | $TTEK | Volpi Kirsten M | Director | G | COMMON STOCK | 3800 | $0.00 | 62,396.0000 | 271,886,000 | 5.74% | 0.00% |
| Feb. 5, 2025 | TETRA TECH INC | $TTEK | Volpi Kirsten M | Director | M | STOCK OPTION (RIGHT TO BUY) | 6000 | $9.59 | 10,000.0000 | 271,886,000 | 37.50% | 0.00% |
| Nov. 30, 2024 | TETRA TECH INC | $TTEK | Volpi Kirsten M | Director | M | COMMON STOCK | 2125 | $0.00 | 70,312.0000 | 271,656,000 | 3.12% | 0.00% |
| Nov. 30, 2024 | TETRA TECH INC | $TTEK | Volpi Kirsten M | Director | M | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 2125 | $0.00 | 0.0000 | 271,656,000 | 100.00% | 0.00% |
| Nov. 20, 2024 | TETRA TECH INC | $TTEK | Volpi Kirsten M | Director | A | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 1718 | $0.00 | 1,718.0000 | 271,656,000 | 9999.99% | 0.00% |
| Nov. 20, 2024 | TETRA TECH INC | $TTEK | Volpi Kirsten M | Director | A | COMMON STOCK | 4397 | $0.00 | 68,187.0000 | 271,656,000 | 6.89% | 0.00% |
| Sept. 10, 2024 | TETRA TECH INC | $TTEK | Volpi Kirsten M | Director | S | COMMON STOCK | 1950 | $46.00 | 63,790.0000 | 270,260,000 | 2.97% | 0.00% |
| Aug. 12, 2024 | TETRA TECH INC | $TTEK | Volpi Kirsten M | Director | M | COMMON STOCK | 300 | $47.95 | 13,148.0000 | 270,260,000 | 2.33% | 0.00% |
| Aug. 12, 2024 | TETRA TECH INC | $TTEK | Volpi Kirsten M | Director | M | STOCK OPTION (RIGHT TO BUY) | 300 | $0.00 | 3,200.0000 | 270,260,000 | 8.57% | 0.00% |
| Feb. 6, 2024 | TETRA TECH INC | $TTEK | Volpi Kirsten M | Director | M | STOCK OPTION (RIGHT TO BUY) | 500 | $0.00 | 3,500.0000 | 268,690,000 | 12.50% | 0.00% |
| Feb. 6, 2024 | TETRA TECH INC | $TTEK | Volpi Kirsten M | Director | M | COMMON STOCK | 500 | $47.95 | 12,848.0000 | 268,690,000 | 4.05% | 0.00% |