STN ($STN) Insider Trading & Smart Money Activity

STN · Engineering & Construction · Latest filing Oct 16, 2026

$STN has 1 13F position change on file.

Insider buyers (12 mo)

0

Insider sellers (12 mo)

0

Net insider $ (12 mo)

$0

Congress trades (12 mo)

0

13F moves on file

1

Analyst ratings on file

0

STN insider buying and selling by quarter

Quarter	Insider buys	Insider sales	Congress buys / sales	13F added / cut
Q1 2026	0	0	0 / 0	0 / 0
Q2 2026	0	0	0 / 0	0 / 0
Q3 2026	0	0	0 / 0	0 / 0
Q4 2026	0	0	0 / 0	1 / 0

Insider buys and sales count open-market trades only (Form 4 codes P and S). Grants, option exercises and tax withholding are left out.

All STN insider, congress, 13F and analyst activity

All 13F

Date	Source	Who	Action	Shares	Value / amount	ΔOwn	1W	1M	6M	Filing	Story
Oct 16, 2026	13F	Cardinal Capital Management	New	+1.62M sh	$109.51M						Read

1W / 1M / 6M = how STN moved from the trade or filing date.

Institutions moving STN (13F)

• Cardinal Capital Management1

Frequently asked questions

Which institutions changed their STN positions?

Recent 13F filers moving the stock include Cardinal Capital Management.

Other engineering & construction stocks

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• $ACM
• $ACA
• $TTEK
• $FLR
• $ECG
• $BLD
• $ROAD

Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.