Michael A. Bieber serves as Executive at TETRA TECH INC, where they oversee executive responsibilities. Since joining the company, Michael A. Bieber has executed 191 insider transactions totaling $11.0M, demonstrating a bearish approach to their equity position. Their most recent transaction on Aug 18, 2025 involved selling 6,788 shares valued at $743.5K.
Michael A. Bieber currently holds 207,542 shares of TETRA TECH INC (TTEK), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Michael A. Bieber has been a net seller of TTEK stock. They have purchased $55.8K and sold $11.0M worth of shares.
Michael A. Bieber's most recent insider trade was on Aug 18, 2025, when they sold 6,788 shares at $109.53 per share.
Get notified when new Form 4 filings are submitted
| $N/A |
| Discretionary |
| Aug 19, 2024 | WLDN | $0 | Award | 8,246 | $N/A | Discretionary |
| Aug 19, 2024 | WLDN | $161.3K | Payment | 4,318 | $37.36 | Discretionary |
| Aug 12, 2024 | WLDN | $27.3K | Sale | 750 | $36.46 | Discretionary |
| Aug 12, 2024 | WLDN | $10.1K | Option Exercise | 750 | $13.49 | Discretionary |
| Aug 9, 2024 | WLDN | $124.2K | Option Exercise | 9,209 | $13.49 | Discretionary |
| Aug 9, 2024 | WLDN | $334.8K | Sale | 9,209 | $36.36 | Discretionary |
| Aug 8, 2024 | WLDN | $374.2K | Sale | 10,273 | $36.43 | Discretionary |
| Aug 8, 2024 | WLDN | $138.6K | Option Exercise | 10,273 | $13.49 | Discretionary |
| Aug 7, 2024 | WLDN | $139.6K | Option Exercise | 10,346 | $13.49 | Discretionary |
| Aug 7, 2024 | WLDN | $378.8K | Sale | 10,346 | $36.61 | Discretionary |
| Aug 6, 2024 | WLDN | $161.9K | Option Exercise | 12,000 | $13.49 | Discretionary |
| Aug 6, 2024 | WLDN | $439.0K | Sale | 12,000 | $36.58 | Discretionary |
| Jun 13, 2024 | WLDN | $80.9K | Option Exercise | 6,000 | $13.49 | Discretionary |
| Jun 13, 2024 | WLDN | $135.2K | Sale | 4,460 | $30.32 | Discretionary |
| Jun 12, 2024 | WLDN | $136.1K | Sale | 4,394 | $30.98 | Discretionary |
| Jun 12, 2024 | WLDN | $80.9K | Option Exercise | 6,000 | $13.49 | Discretionary |
| Jun 11, 2024 | WLDN | $135.0K | Sale | 4,464 | $30.25 | Discretionary |
| Jun 11, 2024 | WLDN | $80.9K | Option Exercise | 6,000 | $13.49 | Discretionary |
| Jun 10, 2024 | WLDN | $103.4K | Sale | 3,333 | $31.03 | Discretionary |
| Jun 10, 2024 | WLDN | $60.9K | Option Exercise | 4,514 | $13.49 | Discretionary |
| Mar 20, 2024 | WLDN | $0 | Award | 17,500 | $N/A | Discretionary |
| Mar 20, 2024 | WLDN | $146.1K | Payment | 5,303 | $27.55 | Discretionary |
| Mar 20, 2024 | WLDN | $0 | Award | 11,970 | $N/A | Discretionary |
| Mar 7, 2024 | WLDN | $43.7K | Payment | 2,201 | $19.85 | Discretionary |
| Aug 24, 2023 | WLDN | $23.5K | Sale | 964 | $24.34 | Discretionary |
| Aug 24, 2023 | WLDN | $1.5K | Sale | 62 | $24.70 | Discretionary |
| Aug 23, 2023 | WLDN | $15.6K | Sale | 671 | $23.29 | Discretionary |
| Aug 23, 2023 | WLDN | $11.9K | Sale | 499 | $23.81 | Discretionary |