Industry - Engineering Services

Include option trades

Include indirect trades

Latest data: 6/18/2026 10:01:40 PM

1 Month

Buy/Sell Ratio 0.23

18%

82%

Buy	Sell
$298,341	($1.28) M
1 Insiders	1 Insiders
1 Transactions	1 Transactions

5/18/2026 to 6/18/2026

3 Month

Buy/Sell Ratio 0.59

36%

64%

Buy	Sell
$749,570	($1.28) M
4 Insiders	1 Insiders
4 Transactions	1 Transactions

3/18/2026 to 6/18/2026

6 Month

Buy/Sell Ratio 0.35

25%

75%

Buy	Sell
$749,570	($2.17) M
4 Insiders	3 Insiders
4 Transactions	3 Transactions

12/18/2025 to 6/18/2026

12 Month

Buy/Sell Ratio 0.02

2%

98%

Buy	Sell
$749,570	($30.34) M
4 Insiders	8 Insiders
4 Transactions	11 Transactions

6/18/2025 to 6/18/2026

Monthly Buy and Sell Value

Monthly Buy/Sell Ratio

Most Insider Buying

12 months

Name	Value	Transactions
Rudd Troy Aecom	$300,060	1
Poloni Lara Aecom	$298,341	1
Kapoor Gaurav Aecom	$100,990	1
Feeler Jeffrey R Tetra Tech Inc	$50,179	1

Most Insider Selling

12 months

Name	Value	Transactions
Brisbin Thomas Donald Willdan Group, Inc.	($26,608,903)	3
Thomas Benjamin E. Vse Corp	($1,279,330)	1
Cohen Steven A Willdan Group, Inc.	($781,770)	2
Mcginn Dennis V Willdan Group, Inc.	($775,923)	1
Carter Brian N Tetra Tech Inc	($401,405)	1
Downes Cynthia Willdan Group, Inc.	($302,355)	1
Reder Wanda Kay Willdan Group, Inc.	($101,541)	1
Birkenbeuel Gary Tetra Tech Inc	($86,050)	1

Most Unique Insiders Buying (>25K)

12 months

Name	Unique insiders	Total Trades
Aecom	3	3
Tetra Tech Inc	1	1

Most Unique Insiders Selling (>25K)

12 months

Name	Unique insiders	Total Trades
Willdan Group, Inc.	5	8
Tetra Tech Inc	2	2
Vse Corp	1	1

Companies with activity

	1 Month			6 Month			12 Month
Name	Ratio	Buy $	Sell $	Ratio	Buy $	Sell $	Ratio	Buy $	Sell $
Vse Corp	0.00	$0	($1,279,330)	0.00	$0	($1,279,330)	0.00	$0	($1,279,330)
Aecom	--	$298,341	$0	--	$699,391	$0	--	$699,391	$0
Willdan Group, Inc.	--	$0	$0	0.00	$0	($490,920)	0.00	$0	($28,570,492)
Tetra Tech Inc	--	$0	$0	0.13	$50,179	($401,405)	0.10	$50,179	($487,455)