Aggregated insider sentiment for a US-listed company, by month. For each month returns the net change in insider share holdings and Finnhub's MSPR (Monthly Share Purchase Ratio, −100 to +100 — higher means more net insider buying). Pass ticker and optionally a from/to window (YYYY-MM-DD; defaults to ~1 year). A distilled signal layered on top of raw insider filings. Data by Finnhub.