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Who

Douglas A. Treco

Director

Company insider

Files Form 4 as: Director, CRISPR Therapeutics AG; CEO & Chairman, Inozyme Pharma; President and CEO, Ra Pharmaceuticals.

In numbers

Trades disclosed
44
Buys
1
Sells
2
Bought
$1.1M
Sold
$60K
Companies
3
Companies where not an officer
1
First trade
1 Feb 2017
Last trade
5 Jun 2026
Last filed
9 Jun 2026

Companies traded

Where they are an officer
Inozyme PharmaDirector, Officer · last 1 Jul 20250 buys · 2 sells
Ra PharmaceuticalsDirector, Officer · last 2 Apr 20200 buys · 0 sells
Everywhere else they filed: board seats, 10% stakes, other companies
CRSP CRISPR Therapeutics AGDirector · Genomics & Gene Editing · last 5 Jun 20261 buy · 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
5 Jun 2026filed 9 Jun 2026CRSP CRISPR Therapeutics AGoption or derivative · Genomics & Gene EditingSEC FORM 4 Code A—13,000 at $0.00filing
5 Jun 2026filed 9 Jun 2026CRSP CRISPR Therapeutics AGoption or derivative · Genomics & Gene EditingSEC FORM 4 Code A—13,000 at $0.00filing
6 Aug 2025filed 8 Aug 2025CRSP CRISPR Therapeutics AGGenomics & Gene EditingSEC FORM 4 Bought$1.1M20,000 at $57.03filing
1 Jul 2025filed 3 Jul 2025Inozyme Pharmaoption or derivativeSEC FORM 4 Code D—150,000filing
1 Jul 2025filed 3 Jul 2025Inozyme Pharmaoption or derivativeSEC FORM 4 Code D—86,979filing
1 Jul 2025filed 3 Jul 2025Inozyme Pharmaoption or derivativeSEC FORM 4 Code D—400,000filing
1 Jul 2025filed 3 Jul 2025Inozyme PharmaSEC FORM 4 Code U$175K43,861 at $4.00filing
25 Jun 2025filed 27 Jun 2025Inozyme PharmaSEC FORM 4 Code A$2,0832,815 at $0.74filing
5 Jun 2025filed 6 Jun 2025CRSP CRISPR Therapeutics AGoption or derivative · Genomics & Gene EditingSEC FORM 4 Code A—13,000 at $0.00filing
2 Apr 2025filed 3 Apr 2025Inozyme PharmaSEC FORM 4 Sold$7,8498,819 at $0.89filing
1 Apr 2025filed 3 Apr 2025Inozyme Pharmaoption or derivativeSEC FORM 4 Code M—25,000 at $0.00filing
1 Apr 2025filed 3 Apr 2025Inozyme PharmaSEC FORM 4 Code M—25,000filing
11 Mar 2025filed 17 Mar 2025Inozyme Pharmaoption or derivativeSEC FORM 4 Code A—400,000 at $0.00filing
11 Mar 2025filed 17 Mar 2025Inozyme Pharmaoption or derivativeSEC FORM 4 Code A—100,000 at $0.00filing
30 Sep 2024filed 3 Oct 2024Inozyme PharmaSEC FORM 4 Code A$7,6101,710 at $4.45filing
30 May 2024filed 31 May 2024CRSP CRISPR Therapeutics AGoption or derivative · Genomics & Gene EditingSEC FORM 4 Code A—13,000 at $0.00filing
2 Apr 2024filed 3 Apr 2024Inozyme PharmaSEC FORM 4 Sold$52K7,523 at $6.94filing
1 Apr 2024filed 3 Apr 2024Inozyme Pharmaoption or derivativeSEC FORM 4 Code M—25,000 at $0.00filing
1 Apr 2024filed 3 Apr 2024Inozyme PharmaSEC FORM 4 Code M—25,000filing
13 Mar 2024filed 15 Mar 2024Inozyme Pharmaoption or derivativeSEC FORM 4 Code A—300,000 at $0.00filing

Sectors

Health Care1
Not placed2

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

Related people

Samarth KulkarniChief Executive Officer · Also traded CRSP in the last 90 days
James R. KasingerGeneral Counsel and Secretary · Also traded CRSP in the last 90 days
Simeon GeorgeDirector · Also traded CRSP in the last 90 days
Ali BehbahaniDirector · Also traded CRSP in the last 90 days