Hammer Joseph D

Former Chief Executive Officer

Open-market buys

$20250.0M total

Open-market sells

$0 total

Tracking since

Aug 2026

Activity timeline

Open-market buy — $20250.0M

Open-market trades from the last two years.

Holdings as last reported

1,058,609 Common Stock Purchase Warrant in XPON

Held indirectly (See footnote) · as of 2026-08-21

4,500 8% Convertible Debenture Due August 21, 2029 in XPON

Held indirectly (See footnote) · as of 2026-08-21

Companies touched