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Who

Roger Crystal

Director

Company insider

Files Form 4 as: Director, Definium Therapeutics; Chief Executive Officer, Opiant Pharmaceuticals.

Every Form 4 they filed

In numbers

Trades disclosed
69
Buys
2
Sells
20
Bought
$27K
Sold
$2.1M
Companies
2
Companies where not an officer
1
First trade
17 Jan 2017
Last trade
11 Jun 2026
Last filed
15 Jun 2026

Companies traded

Where they are an officer
Opiant PharmaceuticalsDirector, Officer, 10% owner · last 2 Mar 20232 buys · 20 sells
Everywhere else they filed: board seats, 10% stakes, other companies
DFTX Definium TherapeuticsDirector · Biotechnology · last 11 Jun 20260 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
101Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
11 Jun 2026filed 15 Jun 2026DFTX Definium TherapeuticsBiotechnologySEC FORM 4 Code A—4,666 at $0.00filing
11 Jun 2026filed 15 Jun 2026DFTX Definium Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—19,188 at $0.00filing
11 Jun 2026filed 15 Jun 2026DFTX Definium Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—19,188 at $0.00filing
11 Jun 2026filed 15 Jun 2026DFTX Definium TherapeuticsBiotechnologySEC FORM 4 Code A—4,666 at $0.00filing
12 Jun 2025filed 16 Jun 2025DFTX Definium Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—75,187 at $0.00filing
10 Jun 2024filed 12 Jun 2024DFTX Definium Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—16,506 at $0.00filing
21 Jun 2023filed 23 Jun 2023DFTX Definium Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—19,203 at $0.00filing
21 Jun 2023filed 23 Jun 2023DFTX Definium TherapeuticsBiotechnologySEC FORM 4 Code A—13,671 at $0.00filing
2 Mar 2023filed 3 Mar 2023Opiant Pharmaceuticalsoption or derivativeSEC FORM 4 Code D—25,000 at $0.00filing
2 Mar 2023filed 3 Mar 2023Opiant Pharmaceuticalsoption or derivativeSEC FORM 4 Code D—150,000 at $0.00filing
2 Mar 2023filed 3 Mar 2023Opiant Pharmaceuticalsoption or derivativeSEC FORM 4 Code D—375,000 at $0.00filing
2 Mar 2023filed 3 Mar 2023Opiant Pharmaceuticalsoption or derivativeSEC FORM 4 Code D—25,000 at $0.00filing
2 Mar 2023filed 3 Mar 2023Opiant Pharmaceuticalsoption or derivativeSEC FORM 4 Code D—13,200 at $0.00filing
2 Mar 2023filed 3 Mar 2023Opiant Pharmaceuticalsoption or derivativeSEC FORM 4 Code D—27,250 at $0.00filing
2 Mar 2023filed 3 Mar 2023Opiant Pharmaceuticalsoption or derivativeSEC FORM 4 Code D—31,250 at $0.00filing
2 Mar 2023filed 3 Mar 2023Opiant PharmaceuticalsSEC FORM 4 Code D$749K37,438 at $20.00filing
2 Mar 2023filed 3 Mar 2023Opiant PharmaceuticalsSEC FORM 4 Code D$758K37,901 at $20.00filing
2 Mar 2023filed 3 Mar 2023Opiant PharmaceuticalsSEC FORM 4 Code D$102K5,100 at $20.00filing
2 Mar 2023filed 3 Mar 2023Opiant PharmaceuticalsSEC FORM 4 Code A—6,667 at $0.00filing
2 Mar 2023filed 3 Mar 2023Opiant PharmaceuticalsSEC FORM 4 Code D$133K6,667 at $20.00filing

News

No headline names them, or the companies they trade most, lately.

Sectors

Not placed22

Buys in green, sells in red, by the company’s sector.

Related people

Nobody else traded the same names lately.