InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (0 ops.)
Insider track record
CEODisclosed buys
0
Disclosed sells
0
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
No signal scores available.
Browse the full record of transactions filed by Collier Michael Manning, Chief Executive Officer. Officer active across 1 company, notably Healthstream INC. Aggregated, 18 reports have been recorded. Activity tracked since 16 August 2021. The latest transaction was filed on 30 March 2026 (Levée d'options). Regulator: SEC (Form 4). The full history is free.
Companies and markets linked to Collier Michael Manning
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations18 total
7,285 shares0Common Stock HoldingSEC:0001437749-26-010512:0
1,774 shares@ US$21.25100.0% of flowCommon Stock HoldingSEC:0001437749-26-010512:1
5,403 shares0Common Stock HoldingSEC:0001437749-26-006118:0
895 shares0Common Stock HoldingSEC:0001437749-25-032604:0
1,087 shares0Common Stock HoldingSEC:0001437749-25-030043:0
8,033 shares0Common Stock HoldingSEC:0001437749-25-009885:0
3,600 shares0Common Stock HoldingSEC:0001437749-25-005603:0
597 shares0Common Stock HoldingSEC:0001437749-24-032823:0
527 shares0Common Stock HoldingSEC:0001437749-24-030371:0
9,363 shares0Common Stock HoldingSEC:0001437749-24-009236:0
2,700 shares0Common Stock HoldingSEC:0001437749-24-005752:0
447 shares0Common Stock HoldingSEC:0001437749-23-029273:0
875 shares0Common Stock HoldingSEC:0001437749-23-026463:0
8,300 shares0Common Stock HoldingSEC:0001437749-23-007808:0
750 shares0Common Stock HoldingSEC:0001437749-22-022785:0
5,186 shares0Common Stock HoldingSEC:0001437749-22-006736:0
500 shares0Common StockSEC:0001209191-21-056999:0
1,575 shares0Common StockSEC:0001209191-21-051640:0
18 of 18 declarations
About Collier Michael Manning
Collier Michael Manning is Directeur Général and Executive Vice President at Healthstream INC (XNAS). He has 18 filings in total, and across the 18 sampled filings between 2021-08-16 and 2026-03-31, the most frequent transaction nature is option exercise, with buy and sell amounts shown as EUR 0.
