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AI brief of an SEC Form 8-K · Tetra Tech (TTEK)

Tetra Tech promotes Roger Argus to President; Jonathan Weiss named CIG President

Neutral Impact 3 of 5 leadership Written later

Tetra Tech announced that Roger R. Argus, currently Executive Vice President, Corporate Development and President of the Commercial/International Services Group, has been promoted to President of the company, reporting to Chairman and CEO Dan Batrack. Jonathan S. Weiss was named President of the Commercial/International Services Group, the role Argus is vacating. The filing describes these moves as part of succession planning and includes no financial results or guidance.

Key points

  • Roger R. Argus promoted to President, reporting to Chairman and CEO Dan Batrack, and will oversee global operations
  • Jonathan S. Weiss to be appointed President, Commercial/International Services Group
  • Argus has been with Tetra Tech more than 30 years and has been Executive Vice President, Corporate Development since November 2024
  • Announced October 7, 2025 in a press release filed as Exhibit 99.1, timed to the start of fiscal year 2026

The filing

CompanyTetra Tech (TTEK)
Form8-K, current report
Filed with the SECOct 7, 2025, 5:04 PM ET
Accession number0001104659-25-097567

Items reported: 5.02 Director / Officer Change8.01 Other Events

Read the filing on SEC.gov ↗

Written by AI on Nov 8, 2026, 12:56 AM ET, from this filing only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on October 07, 2025.

Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.