Derivative exercise or conversion — not an open-market buy.
Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell
View the official recordSEC Form 4 — Statement of Changes in Beneficial OwnershipAll the details
Dates, kept separate
Transaction date
Feb 19, 2026
Reporting period
Not applicable
Filed with the SEC
Feb 21, 2026
DirectorOption exercise
Context
Classification
option exercise
Code M — exercise or conversion of a derivative security
Planned / mechanical clue
Footnote references vesting of compensation awards
Only flagged when a footnote says so; never inferred
Source receipt
Record ID
0001902712-26-000002
Filed / recorded
Feb 21, 2026, 12:04 AM UTC
Added to OQRO
Oct 6, 2026, 9:11 PM UTC
Parser
form4-xml-v2
Data quality
Verified: identifiers matched exactly
Issuer
TETRA TECH INC
Issuer CIK
831641
Ticker
TTEK
Reporting person
Christiana Obiaya
Relationship
Director
Security
RESTRICTED STOCK UNITS (RIGHT TO RECEIVE)
Table
Derivative (Table II)
Transaction date
Feb 19, 2026
Transaction code
M
Shares / units
495
Price per share
$0.00
Acquired / disposed
Disposed (D)
Shares owned after
0
Ownership form
Direct
Amendment
No
Footnotes from the filing
Represents an award of restricted stock units (RSUs), each unit of which represents a contingent right to receive one share of Tetra Tech common stock.
Vesting of the RSUs, which was initially scheduled for November 18, 2026, was accelerated on the Reporting Person's retirement from the Issuer's board of directors.
The RSUs are exercisable at the time of vesting and do not have a set expiration date.
Balance of 1,469 RSUs were cancelled upon retirement.