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Who

Michael Grissinger

Director

Company insider

Files Form 4 as: Director, Lipocine; Director, Adicet Bio; Director, Aprea Therapeutics; Director, Akari Therapeutics.

In numbers

Trades disclosed
21
Buys
0
Sells
0
Bought
$0
Sold
$0
Companies
4
Companies where not an officer
4
First trade
5 Nov 2018
Last trade
3 Aug 2026
Last filed
7 Aug 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
LPCN LipocineDirector · Biotechnology · last 3 Aug 20260 buys · 0 sells
ACET Adicet BioDirector · Biotechnology · last 21 Jun 20260 buys · 0 sells
APRE Aprea TherapeuticsDirector · Biotechnology · last 16 Jun 20260 buys · 0 sells
AKTX Akari TherapeuticsDirector · Biotechnology · last 28 Jun 20240 buys · 0 sells

Activity over time

Not enough dated trades to draw.

Every trade

TradedCompanyWhatAmount
3 Aug 2026filed 7 Aug 2026LPCN Lipocineoption or derivative · BiotechnologySEC FORM 4 Code A$4,2202,000 at $2.11filing
3 Aug 2026filed 7 Aug 2026LPCN Lipocineoption or derivative · BiotechnologySEC FORM 4 Code A$4,2202,000 at $2.11filing
21 Jun 2026filed 23 Jun 2026ACET Adicet Biooption or derivative · BiotechnologySEC FORM 4 Code A—4,200 at $0.00filing
21 Jun 2026filed 23 Jun 2026ACET Adicet Biooption or derivative · BiotechnologySEC FORM 4 Code A—4,200 at $0.00filing
16 Jun 2026filed 17 Jun 2026APRE Aprea TherapeuticsBiotechnologySEC FORM 4 Code A—3,135 at $0.00filing
16 Jun 2026filed 17 Jun 2026APRE Aprea Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—12,555 at $0.00filing
16 Jun 2026filed 17 Jun 2026APRE Aprea Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—12,555 at $0.00filing
16 Jun 2026filed 17 Jun 2026APRE Aprea TherapeuticsBiotechnologySEC FORM 4 Code A—3,135 at $0.00filing
5 Jun 2025filed 9 Jun 2025APRE Aprea Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—4,185 at $0.00filing
5 Jun 2025filed 9 Jun 2025APRE Aprea TherapeuticsBiotechnologySEC FORM 4 Code A—1,045 at $0.00filing
17 Apr 2025filed 21 Apr 2025ACET Adicet Biooption or derivative · BiotechnologySEC FORM 4 Code A—70,200 at $0.00filing
28 Jun 2024filed 2 Jul 2024AKTX Akari Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—5,000,000 at $0.00filing
20 Jun 2024filed 21 Jun 2024APRE Aprea Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—4,185 at $0.00filing
20 Jun 2024filed 21 Jun 2024APRE Aprea TherapeuticsBiotechnologySEC FORM 4 Code A—1,045 at $0.00filing
23 Aug 2023filed 24 Aug 2023APRE Aprea Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—2,000 at $0.00filing
23 Aug 2023filed 24 Aug 2023APRE Aprea TherapeuticsBiotechnologySEC FORM 4 Code A—500 at $0.00filing
28 Jul 2022filed 1 Aug 2022APRE Aprea Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—29,575 at $0.00filing
28 Jul 2022filed 1 Aug 2022APRE Aprea TherapeuticsBiotechnologySEC FORM 4 Code A—5,995 at $0.00filing
3 Jun 2020filed 5 Jun 2020ACET Adicet Biooption or derivative · BiotechnologySEC FORM 4 Code A—14,414 at $0.00filing
8 May 2019filed 9 May 2019ACET Adicet Biooption or derivative · BiotechnologySEC FORM 4 Code A—14,414 at $0.00filing

News

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

Sectors

No trade we could place in a sector.

Related people

John W. HiguchiDirector · Director at Lipocine, filing Form 4 there in the last year
Lloyd KlicksteinChief Medical Officer · Chief Medical Officer at Adicet Bio, filing Form 4 there in the last year
Mahesh Patel VChief Executive Officer · Chief Executive Officer at Lipocine, filing Form 4 there in the last year
Jeffrey ChodakewitzDirector · Director at Adicet Bio, filing Form 4 there in the last year
Andrew SinclairDirector · Director at Adicet Bio, filing Form 4 there in the last year