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<title>Legal Insider Trading Data | Free and Professional Subscription Services | Insider Insights</title>
<link href="http://www.insiderinsights.com/news/company/ttek" ></link>
<id>urn:uuid:46379268-a8ea-cb77-5c21-7c091888ed84</id>
<updated>2026-05-20T20:58:47-04:00</updated>
<author>Jonathan Moreland</author>
<subtitle>Profit from legal insider trading. InsiderInsights.com provides free insider trading data tools and resources, and professional grade subscription based real time Form 4 data, analysis and services</subtitle>
<entry>
<title>TTEK: FEELER JEFFREY R (DIR) Bought (B) 1,900 Shares of TETRA TECH INC for $26.41 on 5/15</title>
<link href="http://www.insiderinsights.com/company/ttek/tetra-tech-inc/id-6404292" ></link>
<id>urn:uuid:0e07e5e6-e30e-d61e-23f2-59226873ffd5</id>
<updated>2026-05-15T17:36:16-04:00</updated>
<summary type="html" ><![CDATA[TETRA TECH INC (TTEK). Recent Price: $26.18. Mkt Cap:6.8B. 10D Vol: 4.1mm]]></summary>
</entry>
<entry>
<title>TTEK: THORNBURG ERIC W (DIR) Filed a Form 3, Becoming a Registered Insider at TETRA TECH INC With Initial  Holdings of 0</title>
<link href="http://www.insiderinsights.com/company/ttek/tetra-tech-inc/id-6381915" ></link>
<id>urn:uuid:f8b3f228-215c-1fcb-6a3a-4f96e86f9023</id>
<updated>2026-04-03T19:05:47-04:00</updated>
<summary type="html" ><![CDATA[TETRA TECH INC (TTEK). Recent Price: $26.18. Mkt Cap:6.8B. 10D Vol: 4.1mm]]></summary>
</entry>
<entry>
<title>TTEK: RITRIEVI KIMBERLY E (DIR) Acquired (JB) 46,851 Shares of TETRA TECH INC for $0.00 on 3/16</title>
<link href="http://www.insiderinsights.com/company/ttek/tetra-tech-inc/id-6367872" ></link>
<id>urn:uuid:3f946d93-3fba-05e8-cd94-c1aae0b3845c</id>
<updated>2026-03-18T20:43:25-04:00</updated>
<summary type="html" ><![CDATA[TETRA TECH INC (TTEK). Recent Price: $26.18. Mkt Cap:6.8B. 10D Vol: 4.1mm]]></summary>
</entry>
<entry>
<title>TTEK: OBIAYA CHRISTIANA (DIR) Acquired (JB) 495 Shares of TETRA TECH INC for $0.00 on 2/19</title>
<link href="http://www.insiderinsights.com/company/ttek/tetra-tech-inc/id-6336021" ></link>
<id>urn:uuid:a3d28e2a-5040-811f-6e78-60c9318e344a</id>
<updated>2026-02-20T19:04:07-05:00</updated>
<summary type="html" ><![CDATA[TETRA TECH INC (TTEK). Recent Price: $26.18. Mkt Cap:6.8B. 10D Vol: 4.1mm]]></summary>
</entry>
<entry>
<title>TTEK: VOLPI KIRSTEN M (DIR) Exercised 1k Options (OB) of TETRA TECH INC for $9.59 on 2/10, and Kept Them All</title>
<link href="http://www.insiderinsights.com/company/ttek/tetra-tech-inc/id-6326324" ></link>
<id>urn:uuid:05809bc6-c37e-4956-49b8-9db7d638cc95</id>
<updated>2026-02-12T17:02:09-05:00</updated>
<summary type="html" ><![CDATA[TETRA TECH INC (TTEK). Recent Price: $26.18. Mkt Cap:6.8B. 10D Vol: 4.1mm]]></summary>
</entry>
<entry>
<title>TTEK: BURDICK STEVEN M (VP,CFO) Disposed (JS) 11,100 Shares of TETRA TECH INC for $0.00 on 2/6</title>
<link href="http://www.insiderinsights.com/company/ttek/tetra-tech-inc/id-6321720" ></link>
<id>urn:uuid:429d85ca-68df-8d66-b122-e045b4baf40b</id>
<updated>2026-02-06T17:07:40-05:00</updated>
<summary type="html" ><![CDATA[TETRA TECH INC (TTEK). Recent Price: $26.18. Mkt Cap:6.8B. 10D Vol: 4.1mm]]></summary>
</entry>
<entry>
<title>TTEK: CARTER BRIAN N (VP,CT) Sold (S) 9,979 Shares of TETRA TECH INC for $40.23 on 2/4</title>
<link href="http://www.insiderinsights.com/company/ttek/tetra-tech-inc/id-6321721" ></link>
<id>urn:uuid:e0c04cf1-1dd5-61b8-b48e-c67e4f5a6e7a</id>
<updated>2026-02-06T17:07:14-05:00</updated>
<summary type="html" ><![CDATA[TETRA TECH INC (TTEK). Recent Price: $26.18. Mkt Cap:6.8B. 10D Vol: 4.1mm]]></summary>
</entry>
<entry>
<title>TTEK: BIRKENBEUEL GARY (DIR) Acquired (JB) 7,320 Shares of TETRA TECH INC for $0.00 on 1/1</title>
<link href="http://www.insiderinsights.com/company/ttek/tetra-tech-inc/id-6308013" ></link>
<id>urn:uuid:2ebafbce-8404-3a2d-cb46-c74956ba0f5b</id>
<updated>2026-01-14T16:26:42-05:00</updated>
<summary type="html" ><![CDATA[TETRA TECH INC (TTEK). Recent Price: $26.18. Mkt Cap:6.8B. 10D Vol: 4.1mm]]></summary>
</entry>
<entry>
<title>TTEK: BIRKENBEUEL GARY (DIR) Acquired (JB) 5,987 Shares of TETRA TECH INC for $0.00 on 1/12</title>
<link href="http://www.insiderinsights.com/company/ttek/tetra-tech-inc/id-6308014" ></link>
<id>urn:uuid:d1b5ac3f-5e11-866c-1dbd-959f63be1409</id>
<updated>2026-01-14T16:26:42-05:00</updated>
<summary type="html" ><![CDATA[TETRA TECH INC (TTEK). Recent Price: $26.18. Mkt Cap:6.8B. 10D Vol: 4.1mm]]></summary>
</entry>
<entry>
<title>TTEK: RITRIEVI KIMBERLY E (DIR) Acquired (JB) 2,208 Shares of TETRA TECH INC for $0.00 on 1/12</title>
<link href="http://www.insiderinsights.com/company/ttek/tetra-tech-inc/id-6308009" ></link>
<id>urn:uuid:5225a02c-e6a9-0d8c-e53c-7cd0f9eb02ab</id>
<updated>2026-01-14T16:26:23-05:00</updated>
<summary type="html" ><![CDATA[TETRA TECH INC (TTEK). Recent Price: $26.18. Mkt Cap:6.8B. 10D Vol: 4.1mm]]></summary>
</entry>
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