Company_Context
Industrials
Engineering & Construction
Institutional analysis of internal capital flows based on SEC Form 4 filings.
Signal_Window
Headline metrics use exact calendar-day windows.
1 directional transactions in 90D
Code P purchases and code S sales are measured from 2026.05.31 — 2026.08.28.
+$298K
Open-market buys minus sales2026.06.16
Latest available filing1
Reporting entities in windowPoloni Lara
$298.3KNo 90D seller
No open-market sales in 90DAnalysis of eligible SEC Form 4 activity for ACM indicates a bullish 90-day signal. The selected window contains transactions from 1 distinct reporting insiders, with aggregate nominal activity of $0.30M.
Open-market purchases minus open-market sales produce a positive net flow of $0.30M. Open-market executions represent the majority of measured nominal activity in this window, making the directional flow more representative of voluntary trading activity.
The largest open-market purchase in the selected window was attributed to Poloni Lara (PRESIDENT). Form 4 activity provides useful ownership context, but it should not be treated as a standalone prediction of future price performance.
Enriched_Research_Context
These indicators use normalized SEC roles, issuer metadata, cluster detection and post-filing market prices already calculated by the data pipeline.
Industrials
Engineering & Construction
0
Clustered open-market purchase records in the recent filing sample.
Recent_Filing_History
This table shows recent filing history and is not restricted by the selected 90D headline signal window.
Open-market buying volume ($0.30M) currently exceeds selling volume ($0.00M), suggesting net accumulation by insiders.
During the last 90 calendar days, Poloni Lara (PRESIDENT) recorded the largest aggregate open-market purchase volume. Total insider buying in the window is $0.30M.
No eligible open-market sales were reported for ACM during the last 90 calendar days.
Poloni Lara
OPEN_MARKET_BUYPresident · 2026.06.16
30D
-1.1%
90D
PENDING
180D
PENDING
Performance uses the latest matured open-market record in this sample. It describes subsequent market movement and does not imply that the filing caused the price change.