Company_Context
Healthcare
Measuring & Controlling Devices, NEC
Institutional analysis of internal capital flows based on SEC Form 4 filings.
Signal_Window
Headline metrics use exact calendar-day windows.
4 directional transactions in 90D
Code P purchases and code S sales are measured from 2026.05.31 — 2026.08.28.
-$657K
Open-market buys minus sales2026.08.20
Latest available filing4
Reporting entities in windowNo 90D buyer
No open-market buys in 90DFordenwalt Matthew W.
$273.1KAnalysis of eligible SEC Form 4 activity for ROK indicates a bearish 90-day signal. The selected window contains transactions from 4 distinct reporting insiders, with aggregate nominal activity of $0.66M.
Open-market purchases minus open-market sales produce a negative net flow of $0.66M. 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 sale in the selected window was attributed to Fordenwalt Matthew W. (SVP Lifecycle Services). 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.
Healthcare
Measuring & Controlling Devices, NEC
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.
The 90-day open-market signal is BEARISH, with net flow of $0.66M across 4 reporting insiders in the selected window.
The most recent insider transaction on record was filed on 2026.08.20. InsiderAlpha monitors EDGAR filings and updates this terminal as new Form 4 documents are published.
The selected 90-day window contains 4 distinct reporting insiders with eligible transactions for ROK. This count changes when a different signal window is selected.
Fordenwalt Matthew W.
OPEN_MARKET_SALESVP Lifecycle Services · 2026.06.04
30D
+4.5%
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.