Eric Blasius Risser

CIK: 0001587774

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)5 (33.3%)

Derivative conversions

Awards (A)5 (33.3%)

Compensation grants

Other (G, F, J, C, D, …)5 (33.3%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

MGNX

MACROGENICS INC

DirectorOfficer

Discretionary Trading P&L

Holdings

Transaction History (15 total)

MGNX
MACROGENICS INC
Feb 15, 2026
Tax Payment(F)
Direct
6.4K shares at avg. $1.71$11K
MGNX
MACROGENICS INC
Feb 15, 2026
Exercise(M)
Direct
16.7K shares-
MGNX
MACROGENICS INC
Feb 12, 2026
Award(A)
Employee Stock Option (right to buy)
Direct
595K shares-
MGNX
MACROGENICS INC
Feb 12, 2026
Award(A)
Restricted Stock Unit
Direct
100K shares-
MGNX
MACROGENICS INC
Feb 8, 2026
Exercise(M)
Direct
11.2K shares-
MGNX
MACROGENICS INC
Feb 8, 2026
Tax Payment(F)
Direct
4.3K shares at avg. $1.81$8K
MGNX
MACROGENICS INC
Feb 7, 2026
Exercise(M)
Direct
6.7K shares-
MGNX
MACROGENICS INC
Feb 7, 2026
Tax Payment(F)
Direct
2.6K shares at avg. $1.81$5K
MGNX
MACROGENICS INC
Aug 13, 2025
Award(A)
Employee Stock Option (right to buy)
Direct
550K shares-
MGNX
MACROGENICS INC
Feb 15, 2025
Tax Payment(F)
Direct
6.4K shares at avg. $2.56$16K
MGNX
MACROGENICS INC
Feb 15, 2025
Exercise(M)
Direct
16.7K shares-
MGNX
MACROGENICS INC
Feb 8, 2025
Tax Payment(F)
Direct
4.3K shares at avg. $2.60$11K
MGNX
MACROGENICS INC
Feb 8, 2025
Exercise(M)
Direct
11.2K shares-
MGNX
MACROGENICS INC
Feb 7, 2025
Award(A)
Employee Stock Option (right to buy)
Direct
120K shares-
MGNX
MACROGENICS INC
Feb 7, 2025
Award(A)
Restricted Stock Unit
Direct
20K shares-

		Type	Shares	Price		Ownership
Feb 15, 2026	MGNX MACROGENICS INC	Tax Payment(F)	6,433	$1.71	$11,000	Direct
Feb 15, 2026	MGNX MACROGENICS INC	Exercise(M)	16,665	-	$0	Direct
Feb 12, 2026	MGNX MACROGENICS INC	Award(A) Employee Stock Option (right to buy)	595,000	-	-	Direct
Feb 12, 2026	MGNX MACROGENICS INC	Award(A) Restricted Stock Unit	100,000	-	-	Direct
Feb 8, 2026	MGNX MACROGENICS INC	Exercise(M)	11,166	-	$0	Direct
Feb 8, 2026	MGNX MACROGENICS INC	Tax Payment(F)	4,311	$1.81	$7,803	Direct
Feb 7, 2026	MGNX MACROGENICS INC	Exercise(M)	6,668	-	$0	Direct
Feb 7, 2026	MGNX MACROGENICS INC	Tax Payment(F)	2,575	$1.81	$4,661	Direct
Aug 13, 2025	MGNX MACROGENICS INC	Award(A) Employee Stock Option (right to buy)	550,000	-	-	Direct
Feb 15, 2025	MGNX MACROGENICS INC	Tax Payment(F)	6,433	$2.56	$16,468	Direct
Feb 15, 2025	MGNX MACROGENICS INC	Exercise(M)	16,665	-	-	Direct
Feb 8, 2025	MGNX MACROGENICS INC	Tax Payment(F)	4,311	$2.60	$11,209	Direct
Feb 8, 2025	MGNX MACROGENICS INC	Exercise(M)	11,168	-	-	Direct
Feb 7, 2025	MGNX MACROGENICS INC	Award(A) Employee Stock Option (right to buy)	120,000	-	-	Direct
Feb 7, 2025	MGNX MACROGENICS INC	Award(A) Restricted Stock Unit	20,000	-	-	Direct

1-15 of 15 transactions

About Risser Eric Blasius

Risser Eric Blasius (SEC CIK 0001587774) files insider reports with the SEC as President and CEO of MACROGENICS INC (MGNX).

Signal8 holds 5 ownership filings by Risser Eric Blasius, all Form 4s, filed between Feb 11, 2025 and Feb 17, 2026. Those filings report 15 transactions, from Feb 7, 2025 to Feb 15, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Risser Eric Blasius's filings is in ROCKVILLE, MD.

Recent filings by Risser Eric Blasius

Feb 15, 2026: Tax withholding of MGNX shares (Form 4, code F).
Feb 15, 2026: Option exercise of MGNX shares (Form 4, code M).
Feb 12, 2026: Grants or awards of MGNX derivative securities (2 lines, Form 4, code A).
Feb 8, 2026: Option exercise of MGNX shares (Form 4, code M).
Feb 8, 2026: Tax withholding of MGNX shares (Form 4, code F).

Other insiders filing for MACROGENICS INC (MGNX)

VASCONCELLES MICHAEL, Director
Kuriakose Emil, Director
Bonvini Ezio, Sr VP, Research & CSO
Peters Jeffrey Stuart, Senior VP, GC, and Secretary
O'Brien Federica F., Director
Jackson Scott Thomas, Director

How to read Form 4 transaction codes