BIEBER MICHAEL A

CIK: 0001270606PRESIDENT AND CEO
OfficerDirector
Primary company: TETRA TECH INC (TTEK)

BIEBER MICHAEL A is a corporate insider (PRESIDENT AND CEO) at TETRA TECH INC (TTEK) filing SEC Form 4 transactions. 273 transactions across 2 companies, totaling $55,800 in purchases and $12,751,155 in sales. Source: SEC EDGAR.

Total Transactions
273
Total Buy Value
$56K
Total Sell Value
$12.75M
Net Activity
$-12.70M
Last Transaction
Aug 2025
Companies
2

Companies

Transaction History

Source: SEC EDGAR Form 4 insider transaction filings.

Type
Exercise
Shares
16,667
Price
$28.19
Value
$470K
Type
Exercise
Shares
40,009
Price
$16.27
Value
$651K
Type
Sale
Shares
276
Price
$93.74
Value
$26K
Type
Sale
Shares
7,956
Price
$92.65
Value
$737K
Type
Sale
Shares
23,015
Price
$91.95
Value
$2.12M
Type
Sale
Shares
25,429
Price
$90.88
Value
$2.31M
Type
Exercise
Shares
16,667
Price
$28.19
Value
$470K
Type
Exercise
Shares
40,009
Price
$16.27
Value
$651K
Type
Exercise
Shares
50,000
Price
$16.27
Value
$814K
Type
Sale
Shares
9,991
Price
$92.65
Value
$926K
Type
Exercise
Shares
9,991
Price
$16.27
Value
$163K
Type
Tax Payment
Shares
6,444
Price
$82.80
Value
$534K
Type
Award
Shares
15,750
Price
-
Value
-
Type
Tax Payment
Shares
1,814
Price
$82.98
Value
$151K
Type
Tax Payment
Shares
6,788
Price
$109.53
Value
$743K
Type
Award
Shares
12,963
Price
-
Value
-
Type
Exercise
Shares
25,000
Price
-
Value
-
Type
Sale
Shares
25,000
Price
$48.11
Value
$1.20M
Type
Exercise
Shares
25,000
Price
$13.91
Value
$348K
Type
Tax Payment
Shares
8,246
Price
$42.53
Value
$351K