Blackford Quentin S.
President and CEO
Blackford Quentin S. has filed 8 SEC Form 4 filings (18 transaction rows) across 2 companies, including IRTC, ATEC, with disclosures dating back to 2025. 7 of those filings fall inside the rolling window. Most recent filing: Aug 11, 2026.
Companies traded
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$11.2M
reported sales (SEC code S)
Companies
2
in the rolling window