Engineering Services - Insider Trading Data

Insiders are officers, directors, or significant investors. This page shows insider sentiment and transactions for the Engineering industry. Research shows that insider trades are predictive of future stock returns. By examining insider trades for an industry, we can understand what well-informed people think of the overall future industry prospects.

Engineering Services - Insider Buy/Sell Ratio

Insider selling and buying is a useful indicator for analyzing the market because it serves as a proxy for their optimism or pessimism in their own companies. By looking at ratio of total selling and buying across the entire market, we might be able to draw some conclusions about the future market.

We offer two charts here. The first one shows the total dollar volume of buying and selling by insiders. The second chart shows the ratio of the number of insiders selling, vs. the number of insiders buying. In both charts, we filter out trades made by indirect holders (such as trusts), and 10% owners (who, although considered an 'insider' by the SEC, do not actually manage the companies in which they are considered insiders).

Corporate Insider Buy Sell Ratio (Dollar Volume) - Engineering Services
Corporate Insider Buy Sell Ratio (Insider Count) - Engineering Services
Engineering Services - Transaction History

Click the link icon to see the full transaction history. Transactions reported as part of a 10b5-1 automatic trading plan will have an X in the column marked 10b-5.

Tran
Date
Security Form Insider Code 10b5-1 Direct Share
Price
Shares
Changed
2031-11-18 TTEK / Tetra Tech, Inc. 4 BATRACK DAN L S - Sale D 28.7585 -15,000
2026-05-20 VSEC / VSE Corporation 4 FERGUSON III MARK E G - Gift D -136
2026-05-20 VSEC / VSE Corporation 4 FERGUSON III MARK E By Mark E. Ferguson III Revocable Trust G - Gift I 136
2026-05-19 MG / Mistras Group, Inc. 4 FORESE JAMES J A - Award D 6,862
2026-05-19 MG / Mistras Group, Inc. 4 PIZZI CHARLES P A - Award D 6,862
2026-05-19 MG / Mistras Group, Inc. 4 GLANTON RICHARD H A - Award D 6,862
2026-05-19 MG / Mistras Group, Inc. 4 DEBENEDICTIS NICHOLAS A - Award D 6,862
2026-05-19 MG / Mistras Group, Inc. 4 Lohmeier Michelle A - Award D 6,862
2026-05-15 TTEK / Tetra Tech, Inc. 4 Feeler Jeffrey R P - Purchase D 26.41 1,900
2026-05-14 WLDN / Willdan Group, Inc. 4 BIEBER MICHAEL A S - Sale D 90.88 -25,429
2026-05-14 WLDN / Willdan Group, Inc. 4 BIEBER MICHAEL A S - Sale D 91.95 -23,015
2026-05-14 WLDN / Willdan Group, Inc. 4 BIEBER MICHAEL A S - Sale D 93.74 -276
2026-05-14 WLDN / Willdan Group, Inc. 4 BIEBER MICHAEL A S - Sale D 92.65 -7,956
2026-05-14 ACM / AECOM 4 Rudd Troy P - Purchase D 71.02 4,225
2026-05-14 ACM / AECOM 4 Kapoor Gaurav P - Purchase D 71.12 1,420
2026-05-14 WLDN / Willdan Group, Inc. 4 BIEBER MICHAEL A M - Exercise D 16.27 40,009
2026-05-14 WLDN / Willdan Group, Inc. 4 BIEBER MICHAEL A M - Exercise D 28.19 16,667
2026-05-13 WLDN / Willdan Group, Inc. 4 BIEBER MICHAEL A S - Sale D 92.65 -9,991
2026-05-13 WLDN / Willdan Group, Inc. 4 BIEBER MICHAEL A M - Exercise D 16.27 9,991
2026-03-26 MG / Mistras Group, Inc. 4 Hammad Hanei Wail F - Taxes D 15.10 -2,865
2026-03-25 WLDN / Willdan Group, Inc. 4 BIEBER MICHAEL A F - Taxes D 82.80 -6,444
2026-03-25 WLDN / Willdan Group, Inc. 4 EARLY CREIGHTON K F - Taxes D 82.80 -2,142
2026-03-25 WLDN / Willdan Group, Inc. 4 CHEN MICAH F - Taxes D 82.80 -1,660
2026-03-25 WLDN / Willdan Group, Inc. 4 CHEN MICAH A - Award D 3,780
2026-03-25 WLDN / Willdan Group, Inc. 4 EARLY CREIGHTON K A - Award D 3,780
2026-03-25 WLDN / Willdan Group, Inc. 4 BIEBER MICHAEL A A - Award D 15,750
2026-03-22 MG / Mistras Group, Inc. 4 Prajzner Edward J F - Taxes D 14.05 -1,367
2026-03-20 WLDN / Willdan Group, Inc. 4 EARLY CREIGHTON K F - Taxes D 75.52 -794
2026-03-20 WLDN / Willdan Group, Inc. 4 CHEN MICAH F - Taxes D 75.52 -615
2026-03-20 WLDN / Willdan Group, Inc. 4 BIEBER MICHAEL A F - Taxes D 75.52 -2,387
2026-03-17 WLDN / Willdan Group, Inc. 4 CHEN MICAH F - Taxes D 78.29 -676
2026-03-17 WLDN / Willdan Group, Inc. 4 EARLY CREIGHTON K F - Taxes D 78.29 -873
2026-03-17 WLDN / Willdan Group, Inc. 4 BIEBER MICHAEL A F - Taxes D 78.29 -2,625
2026-03-16 TTEK / Tetra Tech, Inc. 4 Ritrievi Kimberly E M - Exercise D 1,925
2026-03-16 TTEK / Tetra Tech, Inc. 4 Ritrievi Kimberly E M - Exercise D 2,050
2026-03-16 TTEK / Tetra Tech, Inc. 4 Ritrievi Kimberly E M - Exercise D 2,125
2026-03-16 TTEK / Tetra Tech, Inc. 4 Ritrievi Kimberly E M - Exercise D 1,718
2026-03-16 TTEK / Tetra Tech, Inc. 4 Ritrievi Kimberly E M - Exercise D 795
2026-03-16 TTEK / Tetra Tech, Inc. 4 Ritrievi Kimberly E M - Exercise D 1,900
2026-03-16 TTEK / Tetra Tech, Inc. 4 Ritrievi Kimberly E M - Exercise D 2,250
2026-03-16 TTEK / Tetra Tech, Inc. 4 Ritrievi Kimberly E M - Exercise D 4,500
2026-03-16 TTEK / Tetra Tech, Inc. 4 Ritrievi Kimberly E M - Exercise D 795
2026-03-16 TTEK / Tetra Tech, Inc. 4 Ritrievi Kimberly E M - Exercise D 2,910
2026-03-16 WLDN / Willdan Group, Inc. 4 EARLY CREIGHTON K F - Taxes D 78.61 -2,356
2026-03-16 MG / Mistras Group, Inc. 4 Prajzner Edward J F - Taxes D 14.61 -2,239
2026-03-16 WLDN / Willdan Group, Inc. 4 CHEN MICAH F - Taxes D 78.61 -1,826
2026-03-16 WLDN / Willdan Group, Inc. 4 BIEBER MICHAEL A F - Taxes D 78.61 -7,090
2026-03-16 WLDN / Willdan Group, Inc. 4 BIEBER MICHAEL A A - Award D 17,326
2026-03-16 WLDN / Willdan Group, Inc. 4 CHEN MICAH A - Award D 4,158
2026-03-16 VSEC / VSE Corporation 4 FERGUSON III MARK E A - Award D 194.08 136
P
Åbent marked eller privat køb af ikke-afledte eller afledte værdipapirer
S
Åbent marked eller privat salg af ikke-afledte eller afledte værdipapirer
A
Tildeling, tildeling eller anden erhvervelse af værdipapirer fra virksomheden (såsom en option)
C
Konvertering af derivat
D
Salg eller overførsel af værdipapirer tilbage til virksomheden
F
Betaling af udnyttelseskurs eller skatteforpligtelse ved brug af en del af værdipapirer modtaget fra selskabet
G
Gave af værdipapirer af eller til insideren
K
Aktieswaps og lignende sikringstransaktioner
M
Udnyttelse eller konvertering af afledt værdipapir modtaget fra virksomheden (såsom en option)
V
En transaktion rapporteret frivilligt på formular 4
J
Andet (ledsaget af en fodnote, der beskriver transaktionen)