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Who

Jay Philip Siegel

Director

Company insider

Files Form 4 as: Director, MacroGenics.

In numbers

Trades disclosed
23
Buys
0
Sells
0
Bought
$0
Sold
$0
Companies
1
Companies where not an officer
1
First trade
13 Nov 2017
Last trade
18 May 2026
Last filed
20 May 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
MGNX MacroGenicsDirector · Biotechnology · last 18 May 20260 buys · 0 sells

Activity over time

Not enough dated trades to draw.

Every trade

TradedCompanyWhatAmount
18 May 2026filed 20 May 2026MGNX MacroGenicsBiotechnologySEC FORM 4 Code M—3,750filing
18 May 2026filed 20 May 2026MGNX MacroGenicsoption or derivative · BiotechnologySEC FORM 4 Code M—3,750 at $0.00filing
18 May 2026filed 20 May 2026MGNX MacroGenicsoption or derivative · BiotechnologySEC FORM 4 Code M—3,750 at $0.00filing
18 May 2026filed 20 May 2026MGNX MacroGenicsBiotechnologySEC FORM 4 Code M—3,750filing
21 May 2025filed 22 May 2025MGNX MacroGenicsoption or derivative · BiotechnologySEC FORM 4 Code A—3,750 at $0.00filing
21 May 2025filed 22 May 2025MGNX MacroGenicsoption or derivative · BiotechnologySEC FORM 4 Code A—22,000 at $0.00filing
20 May 2025filed 22 May 2025MGNX MacroGenicsoption or derivative · BiotechnologySEC FORM 4 Code M—6,500 at $0.00filing
20 May 2025filed 22 May 2025MGNX MacroGenicsBiotechnologySEC FORM 4 Code M—6,500filing
21 May 2024filed 23 May 2024MGNX MacroGenicsoption or derivative · BiotechnologySEC FORM 4 Code A—6,500 at $0.00filing
21 May 2024filed 23 May 2024MGNX MacroGenicsoption or derivative · BiotechnologySEC FORM 4 Code A—16,500 at $0.00filing
20 May 2024filed 22 May 2024MGNX MacroGenicsoption or derivative · BiotechnologySEC FORM 4 Code M—4,500 at $0.00filing
20 May 2024filed 22 May 2024MGNX MacroGenicsBiotechnologySEC FORM 4 Code M—4,500 at $0.00filing
31 May 2023filed 2 Jun 2023MGNX MacroGenicsoption or derivative · BiotechnologySEC FORM 4 Code A—19,000 at $0.00filing
31 May 2023filed 2 Jun 2023MGNX MacroGenicsoption or derivative · BiotechnologySEC FORM 4 Code A—4,500 at $0.00filing
31 May 2023filed 2 Jun 2023MGNX MacroGenicsoption or derivative · BiotechnologySEC FORM 4 Code A—21,490 at $0.00filing
19 May 2022filed 23 May 2022MGNX MacroGenicsoption or derivative · BiotechnologySEC FORM 4 Code A—18,000 at $0.00filing
19 May 2022filed 23 May 2022MGNX MacroGenicsoption or derivative · BiotechnologySEC FORM 4 Code A—24,080 at $0.00filing
13 May 2021filed 17 May 2021MGNX MacroGenicsoption or derivative · BiotechnologySEC FORM 4 Code A—15,000 at $0.00filing
14 May 2020filed 15 May 2020MGNX MacroGenicsoption or derivative · BiotechnologySEC FORM 4 Code A—15,000 at $0.00filing
16 May 2019filed 20 May 2019MGNX MacroGenicsoption or derivative · BiotechnologySEC FORM 4 Code A—10,000 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

Ezio BonviniSr VP, Research & CSO · Sr VP, Research & CSO at Macrogenics, filing Form 4 there in the last year
Jeffrey Stuart PetersSenior VP, GC, and Secretary · Senior VP, GC, and Secretary at Macrogenics, filing Form 4 there in the last year
Federica F. O'BrienDirector · Director at Macrogenics, filing Form 4 there in the last year
Margaret LiuDirector · Director at Macrogenics, filing Form 4 there in the last year
Karen Jean FerranteDirector · Director at Macrogenics, filing Form 4 there in the last year