Industry - Engineering Services

Include option trades

Include indirect trades

Latest data: 12/10/2025 10:05:24 PM

1 Month

Buy/Sell Ratio --

%

%

Buy	Sell
--	--
0 Insiders	0 Insiders
0 Transactions	0 Transactions

11/10/2025 to 12/10/2025

3 Month

Buy/Sell Ratio 0.00

0%

100%

Buy	Sell
--	($775,923)
0 Insiders	1 Insiders
0 Transactions	1 Transactions

9/10/2025 to 12/10/2025

6 Month

Buy/Sell Ratio 0.00

0%

100%

Buy	Sell
--	($28.17) M
0 Insiders	6 Insiders
0 Transactions	8 Transactions

6/10/2025 to 12/10/2025

12 Month

Buy/Sell Ratio 0.01

1%

99%

Buy	Sell
$375,369	($28.63) M
2 Insiders	8 Insiders
5 Transactions	10 Transactions

12/10/2024 to 12/10/2025

Monthly Buy and Sell Value

Monthly Buy/Sell Ratio

Most Insider Buying

12 months

Name	Value	Transactions
Debenedictis Nicholas Mistras Group, Inc.	$198,769	3
Stamatakis Manuel N. Mistras Group, Inc.	$176,600	2

Most Insider Selling

12 months

Name	Value	Transactions
Brisbin Thomas Donald Willdan Group, Inc.	($26,608,903)	3
Mcginn Dennis V Willdan Group, Inc.	($775,923)	1
Britt Anita D Vse Corp	($371,191)	1
Downes Cynthia Willdan Group, Inc.	($302,355)	1
Cohen Steven A Willdan Group, Inc.	($290,850)	1
Reder Wanda Kay Willdan Group, Inc.	($101,541)	1
Shahidehpour Mohammad Willdan Group, Inc.	($89,102)	1
Birkenbeuel Gary Tetra Tech Inc	($86,050)	1

Most Unique Insiders Buying (>25K)

12 months

Name	Unique insiders	Total Trades
Mistras Group, Inc.	2	4

Most Unique Insiders Selling (>25K)

12 months

Name	Unique insiders	Total Trades
Willdan Group, Inc.	6	8
Tetra Tech Inc	1	1
Vse Corp	1	1

Companies with activity

	1 Month			6 Month			12 Month
Name	Ratio	Buy $	Sell $	Ratio	Buy $	Sell $	Ratio	Buy $	Sell $
Willdan Group, Inc.	--	$0	$0	0.00	$0	($28,079,572)	0.00	$0	($28,168,674)
Tetra Tech Inc	--	$0	$0	0.00	$0	($86,050)	0.00	$0	($86,050)
Mistras Group, Inc.	--	$0	$0	--	$0	$0	--	$375,369	$0
Vse Corp	--	$0	$0	--	$0	$0	0.00	$0	($371,191)