Booth Bruce

Open-market buys

$0 total

Open-market sells

162

$184.4M total

Tracking since

Oct 2025

Activity timeline

Open-market sale — $291K

Open-market sale — $227K

Open-market trades from the last two years.

Holdings as last reported

2,309,035 Common Stock in SION

Held indirectly (By Atlas Venture Fund XI, L.P.) · as of 2025-10-21

686,567 Common Stock in SION

Held indirectly (By Atlas Venture Opportunity Fund II, L.P.) · as of 2025-10-21

Companies touched