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Who

Jeffrey Robert Ajer

Director

Company insider

Files Form 4 as: Director, Nektar Therapeutics; Director, Viridian Therapeutics; EVP, Chief Commercial Officer, BioMarin Pharmaceutical.

In numbers

Trades disclosed
261
Buys
0
Sells
76
Bought
$0
Sold
$28.9M
Companies
3
Companies where not an officer
2
First trade
31 Oct 2012
Last trade
23 Sep 2026
Last filed
25 Sep 2026

Companies traded

Where they are an officer
BMRN BioMarin PharmaceuticalOfficer · Biotechnology · last 2 May 20240 buys · 68 sells
Everywhere else they filed: board seats, 10% stakes, other companies
NKTR Nektar TherapeuticsDirector · Biotechnology · last 23 Sep 20260 buys · 8 sells
VRDN Viridian TherapeuticsDirector · Biotechnology · last 1 Jul 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
23 Sep 2026filed 25 Sep 2026NKTR Nektar TherapeuticsBiotechnologySEC FORM 4 Code A—2,000 at $0.00filing
23 Sep 2026filed 25 Sep 2026NKTR Nektar Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—4,000 at $0.00filing
23 Sep 2026filed 25 Sep 2026NKTR Nektar Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—4,000 at $0.00filing
23 Sep 2026filed 25 Sep 2026NKTR Nektar TherapeuticsBiotechnologySEC FORM 4 Code A—2,000 at $0.00filing
1 Jul 2026filed 2 Jul 2026VRDN Viridian Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—32,341 at $0.00filing
1 Jul 2026filed 2 Jul 2026VRDN Viridian Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—32,341 at $0.00filing
30 Sep 2025filed 1 Oct 2025NKTR Nektar Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—8,000 at $0.00filing
1 Jul 2025filed 2 Jul 2025VRDN Viridian Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—21,000 at $0.00filing
7 Apr 2025filed 9 Apr 2025VRDN Viridian Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—42,000 at $0.00filing
18 Sep 2024filed 17 Jan 2025NKTR Nektar Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—120,000 at $0.00filing
2 May 2024filed 6 May 2024BMRN BioMarin PharmaceuticalBiotechnologySEC FORM 4 Sold$415K5,000 at $82.91filing
30 Apr 2024filed 6 May 2024BMRN BioMarin PharmaceuticalBiotechnologySEC FORM 4 Code A$21K300 at $68.65filing
15 Mar 2024filed 19 Mar 2024BMRN BioMarin PharmaceuticalBiotechnologySEC FORM 4 Code F$1.9M22,580 at $83.87filing
5 Mar 2024filed 7 Mar 2024BMRN BioMarin PharmaceuticalBiotechnologySEC FORM 4 Sold$348K4,000 at $87.07filing
27 Feb 2024filed 29 Feb 2024BMRN BioMarin PharmaceuticalBiotechnologySEC FORM 4 Code A—21,440 at $0.00filing
27 Feb 2024filed 29 Feb 2024BMRN BioMarin PharmaceuticalBiotechnologySEC FORM 4 Code A—9,338 at $0.00filing
27 Feb 2024filed 29 Feb 2024BMRN BioMarin PharmaceuticalBiotechnologySEC FORM 4 Code A—6,465 at $0.00filing
19 Sep 2023filed 20 Sep 2023NKTR Nektar Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—85,000 at $0.00filing
18 Sep 2023filed 20 Sep 2023NKTR Nektar TherapeuticsBiotechnologySEC FORM 4 Sold$3,0084,359 at $0.69filing
16 Aug 2023filed 17 Aug 2023BMRN BioMarin PharmaceuticalBiotechnologySEC FORM 4 Sold$450K5,000 at $90.00filing

News

Sectors

Health Care76

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

Related people

Gregory R. FribergEVP, Chief R&D Officer · EVP, Chief R&D Officer at Biomarin Pharmaceutical, filing Form 4 there in the last year
Robert M. PlengeDirector · Director at Biomarin Pharmaceutical, filing Form 4 there in the last year
George Eric DavisEVP, Chief Legal Officer · EVP, Chief Legal Officer at Biomarin Pharmaceutical, filing Form 4 there in the last year
Timothy P. WalbertDirector · Director at Biomarin Pharmaceutical, filing Form 4 there in the last year
Robert J. HombachDirector · Director at Biomarin Pharmaceutical, filing Form 4 there in the last year
Howard W. RobinPresident & CEO · Also traded NKTR in the last 90 days
Jonathan ZalevskyChief R&D Officer · Also traded NKTR in the last 90 days