// company-profile

Tetra Tech Inc Insider Trading

TTEK

Every SEC Form 4 insider trading filing for Tetra Tech Inc (TTEK) — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC.

ExchangeNasdaqSectorServices-Engineering ServicesInc.DEFilings119Insiders18
// api This Tetra Tech Inc insider-trading data is served live by the Form4API insider trading API. Get the same data via API.
curl "https://api.form4api.com/v1/transactions?ticker=TTEK" -H "X-Api-Key: YOUR_API_KEY"

// activity-summary

Recent insider activity is bullish. Over the last 30 days, 2 insiders purchased shares (net $22K). Buying was led by Volpi Kirsten M.

// 90-day insight

Over the last 90 days, Tetra Tech Inc insiders bought $89K across 5 transactions with no open-market sales.

  • Most active insider: Volpi Kirsten M with 4 transactions totaling $38K.
  • Largest single purchase: $50K by Feeler Jeffrey R on May 15, 2026.

Activity skews bullish — buys outpace sales.

Institutional Ownership

Top 13F-HR holders of Tetra Tech Inc as of 2026-06-30

↓ decreasing
Total reported AUM
$2.14B
QoQ change
-67.5%
Reporting period
2026-06-30
#1
BlackRock, Inc.
CIK 2012383
$430.6M
14.9M shares
#2
STATE STREET CORP
CIK 93751
$282.0M
9.8M shares
#3
BlackRock, Inc.
CIK 2012383
$252.4M
8.7M shares

Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValue
Aug 4, 2026Volpi Kirsten MTTEK
Option Exercise
2,300$9.59$22K
Aug 4, 2026Volpi Kirsten MTTEK
Option Exercise
2,300$0.00$0K
Jun 4, 2026Volpi Kirsten MTTEK
Option Exercise
1,700$0.00$0K
Jun 4, 2026Volpi Kirsten MTTEK
Option Exercise
1,700$9.59$16K
May 15, 2026Feeler Jeffrey RTTEK
Purchase
1,900$26.41$50K

45 more transactions hidden

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