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CIK 0001108205 · Non-accelerated filer<br>Smaller reporting company

Ticker
CRIS
Exchange
Nasdaq
Industry
Biological Products, (No Diagnostic Substances)
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
043505116
Phone
617-503-6500
Business address
128 SPRING STREET, BUILDING C, SUITE 500, LEXINGTON, MA, 02421
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$0
in 0 filings

Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2026-03-17 Zung Jonathan B. CDO Grant or award · Series A Warrant (right to buy) +66,667 66,667
2026-03-17 Zung Jonathan B. CDO Grant or award · Series B Warrant (right to buy) +66,667 66,667
2026-03-17 Zung Jonathan B. CDO Grant or award · Series C Warrant (right to buy) +66,667 66,667
2026-03-17 Hamdy Ahmed MD CMO Grant or award · Series B Convertible Preferred Stock +50 50
2026-03-17 Hamdy Ahmed MD CMO Grant or award · Series A Warrant (right to buy) +66,667 66,667
2026-03-17 Hamdy Ahmed MD CMO Grant or award · Series B Warrant (right to buy) +66,667 66,667
2026-03-17 Hamdy Ahmed MD CMO Grant or award · Series C Warrant (right to buy) +66,667 66,667
2026-03-17 Duvall Diantha CFO Grant or award · Series B Convertible Preferred Stock +50 50
2026-03-17 Duvall Diantha CFO Grant or award · Series A Warrant (right to buy) +66,666 66,666
2026-03-17 Duvall Diantha CFO Grant or award · Series B Warrant (right to buy) +66,666 66,666
2026-03-17 Duvall Diantha CFO Grant or award · Series C Warrant (right to buy) +66,666 66,666
2026-03-17 Dentzer James E President & CEO Grant or award · Series B Convertible Preferred Stock +100 100
2026-03-17 Dentzer James E President & CEO Grant or award · Series A Warrant (right to buy) +133,333 133,333
2026-03-17 Dentzer James E President & CEO Grant or award · Series B Warrant (right to buy) +133,333 133,333
2026-03-17 Dentzer James E President & CEO Grant or award · Series C Warrant (right to buy) +133,333 133,333
2026-03-17 Rubin Marc Director Grant or award · Series B Convertible Preferred Stock +20 20
2026-03-17 Rubin Marc Director Grant or award · Series A Warrant (right to buy) +26,667 26,667
2026-03-17 Rubin Marc Director Grant or award · Series B Warrant (right to buy) +26,667 26,667
2026-03-17 Rubin Marc Director Grant or award · Series C Warrant (right to buy) +26,667 26,667
2025-05-20 Dentzer James E President & CEO Grant or award · Employee stock option (right to buy) +360,000 $3.13 $1.1M 360,000

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