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 Critchfield Gregory C, Chairman & CEO. Insider active across 1 company, notably Sera Prognostics, INC.. Aggregated, 7 filings have been published. History available since 7 March 2023. The latest transaction was filed on 10 July 2026 (Attribution). Regulator: SEC (Form 4). All data is accessible without signup.
Companies and markets linked to Critchfield Gregory C
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations7 total
1,594 shares0Class A Common StockSEC:0001191080-26-000002:1
22,426 shares0Class A Common StockSEC:0001191080-26-000002:0
15,596 shares0Class A Common StockSEC:0000950170-25-083334:0
7,117 shares0Class A Common StockSEC:0001534969-24-000136:0
195 shares0Class A Common StockSEC:0001534969-24-000120:0
62,200 shares0Class A Common StockSEC:0001534969-23-000012:0
34,383 sharesClass A Common StockSEC:0001104659-21-094519:0
7 of 7 declarations
About Critchfield Gregory C
CRITCHFIELD GREGORY C is President and Chief Executive Officer and a director of Sera Prognostics, INC. He has 7 filings in total, and the sampled filings cover the period from 2021-07-21 to 2026-07-14; buy and sell volumes are both EUR 0 in this sample, with the modal transaction nature indicated as Attribution.
