Insider Profile
Ciachurski, Jeffrey Joseph
$GRB
1
Companies Filed At
3
Open-Market Buys (2yr)
$2K
Buy Value (2yr, open-market)
Jun 29, 2026
Most Recent Trade
Currently Accumulating Companies this insider is net-buying on the open market over the last 90 days
$GRB 55
Greenbriar Sustainable Living Inc.
$2K · 3 buys
Last buy Jun 29, 2026
Date Company Role Nature Dir. Shares Price Value Score
Jun 29, 2026 $GRB
Greenbriar Sustainable Living Inc.
— Open Market Buy 700 $0.77 $539 55
Jun 18, 2026 $GRB
Greenbriar Sustainable Living Inc.
— Open Market Buy 500 $0.65 $325 55
Jun 17, 2026 $GRB
Greenbriar Sustainable Living Inc.
— Open Market Buy 1,100 $0.59 $649 55
Muted rows are plan purchases, compensation grants, or DRIP — not open-market. Confluence Scores reflect the company's current score, not the score at time of trade.
Form55 provides data and analysis for informational purposes only. Nothing on this site constitutes investment advice or a recommendation to buy or sell any security. Past performance is not indicative of future results.