Understand Stock

$MGNX

$4.50 +$0.17 (3.93%)

Deep Research with AI Research

Overview

$MGNX Overview Financials SEC Filings Executives News

Specialized Tools

Valuations P Insider Transactions P Congressional Trades P

Insider Transactions

Insider Transaction Summary

BIOTECH AG BB

9,929,963 shares

Net: 0 B/S: -

James Karrels

206,037 shares

Net: +169,236 B/S: ∞

Ezio Bonvini

152,232 shares

Net: +52,635 B/S: ∞

Jon Marc Wigginton

100,000 shares

Net: 0 B/S: -

Eric Blasius Risser

83,602 shares

Net: +671,180 B/S: ∞

Kathryn E Stein

49,863 shares

Net: 0 B/S: -

Thomas Spitznagel

44,063 shares

Net: +72,141 B/S: ∞

Jeffrey Stuart Peters

36,252 shares

Net: +197,394 B/S: ∞

Stephen L. Eck

29,377 shares

Net: 0 B/S: -

Meenu Chhabra

22,000 shares

Net: +25,750 B/S: ∞

Federica F. O'Brien

22,000 shares

Net: +25,750 B/S: ∞

ATUL SARAN

16,986 shares

Net: 0 B/S: -

Kenneth Galbraith

15,000 shares

Net: 0 B/S: -

Paulo F Costa

15,000 shares

Net: 0 B/S: -

JAY PHILIP SIEGEL

14,750 shares

Net: +3,750 B/S: ∞

Beth Ann Smith

13,204 shares

Net: +43,874 B/S: ∞

Matthew K Fust

10,000 shares

Net: 0 B/S: -

Lynn Cilinski

6,213 shares

Net: 0 B/S: -

Scott Koenig

3,750 shares

Net: +61,911 B/S: ∞

Margaret Liu

3,750 shares

Net: +7,500 B/S: ∞

EDWARD HURWITZ

3,750 shares

Net: +7,500 B/S: ∞

WILLIAM K HEIDEN

3,750 shares

Net: +107,500 B/S: ∞

DAVID C STUMP

3,750 shares

Net: +7,500 B/S: ∞

Scott Thomas Jackson

3,750 shares

Net: +7,500 B/S: ∞

Karen Jean Ferrante

3,750 shares

Net: +7,500 B/S: ∞

Insider Name	Current Shares	Net Change (1yr)	Buy/Sell Ratio
BIOTECH AG BB	9,929,963	0	-
James Karrels	206,037	+169,236	∞
Ezio Bonvini	152,232	+52,635	∞
Jon Marc Wigginton	100,000	0	-
Eric Blasius Risser	83,602	+671,180	∞
Kathryn E Stein	49,863	0	-
Thomas Spitznagel	44,063	+72,141	∞
Jeffrey Stuart Peters	36,252	+197,394	∞
Stephen L. Eck	29,377	0	-
Meenu Chhabra	22,000	+25,750	∞
Federica F. O'Brien	22,000	+25,750	∞
ATUL SARAN	16,986	0	-
Kenneth Galbraith	15,000	0	-
Paulo F Costa	15,000	0	-
JAY PHILIP SIEGEL	14,750	+3,750	∞
Beth Ann Smith	13,204	+43,874	∞
Matthew K Fust	10,000	0	-
Lynn Cilinski	6,213	0	-
Scott Koenig	3,750	+61,911	∞
Margaret Liu	3,750	+7,500	∞
EDWARD HURWITZ	3,750	+7,500	∞
WILLIAM K HEIDEN	3,750	+107,500	∞
DAVID C STUMP	3,750	+7,500	∞
Scott Thomas Jackson	3,750	+7,500	∞
Karen Jean Ferrante	3,750	+7,500	∞

Individual Transactions

May 19, 2026

Federica F. O'Brien

Grant/Award Acquisition

Change: +22,000

Price: $0.00

Shares: 22,000

Value: +$0

DAVID C STUMP

Grant/Award Acquisition

Change: +3,750

Price: $0.00

Shares: 3,750

Value: +$0

EDWARD HURWITZ

Grant/Award Acquisition

Change: +3,750

Price: $0.00

Shares: 3,750

Value: +$0

WILLIAM K HEIDEN

Grant/Award Acquisition

Change: +3,750

Price: $0.00

Shares: 3,750

Value: +$0

Margaret Liu

Grant/Award Acquisition

Change: +3,750

Price: $0.00

Shares: 3,750

Value: +$0

Meenu Chhabra

Grant/Award Acquisition

Change: +22,000

Price: $0.00

Shares: 22,000

Value: +$0

Scott Thomas Jackson

Grant/Award Acquisition

Change: +3,750

Price: $0.00

Shares: 3,750

Value: +$0

Scott Koenig

Grant/Award Acquisition

Change: +3,750

Price: $0.00

Shares: 3,750

Value: +$0

Karen Jean Ferrante

Grant/Award Acquisition

Change: +3,750

Price: $0.00

Shares: 3,750

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Federica F. O'Brien	May 20	Grant/Award Acquisition (A) Compensation/Award	22,000	+22,000	$0.00	+$0
DAVID C STUMP	May 20	Grant/Award Acquisition (A) Compensation/Award	3,750	+3,750	$0.00	+$0
EDWARD HURWITZ	May 20	Grant/Award Acquisition (A) Compensation/Award	3,750	+3,750	$0.00	+$0
WILLIAM K HEIDEN	May 20	Grant/Award Acquisition (A) Compensation/Award	3,750	+3,750	$0.00	+$0
Margaret Liu	May 20	Grant/Award Acquisition (A) Compensation/Award	3,750	+3,750	$0.00	+$0
Meenu Chhabra	May 20	Grant/Award Acquisition (A) Compensation/Award	22,000	+22,000	$0.00	+$0
Scott Thomas Jackson	May 20	Grant/Award Acquisition (A) Compensation/Award	3,750	+3,750	$0.00	+$0
Scott Koenig	May 20	Grant/Award Acquisition (A) Compensation/Award	3,750	+3,750	$0.00	+$0
Karen Jean Ferrante	May 20	Grant/Award Acquisition (A) Compensation/Award	3,750	+3,750	$0.00	+$0

May 18, 2026

Federica F. O'Brien

Option Exercise/Conversion

Change: +3,750

Price: $0.00

Shares: 14,750

Value: +$0

DAVID C STUMP

Option Exercise/Conversion

Change: +3,750

Price: $0.00

Shares: 14,750

Value: +$0

EDWARD HURWITZ

Option Exercise/Conversion

Change: +3,750

Price: $0.00

Shares: 47,824

Value: +$0

WILLIAM K HEIDEN

Option Exercise/Conversion

Change: +3,750

Price: $0.00

Shares: 114,750

Value: +$0

Margaret Liu

Option Exercise/Conversion

Change: +3,750

Price: $0.00

Shares: 14,750

Value: +$0

Meenu Chhabra

Option Exercise/Conversion

Change: +3,750

Price: $0.00

Shares: 14,750

Value: +$0

Scott Thomas Jackson

Option Exercise/Conversion

Change: +3,750

Price: $0.00

Shares: 14,750

Value: +$0

Karen Jean Ferrante

Option Exercise/Conversion

Change: +3,750

Price: $0.00

Shares: 14,750

Value: +$0

JAY PHILIP SIEGEL

Option Exercise/Conversion

Change: +3,750

Price: $0.00

Shares: 14,750

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Federica F. O'Brien	May 20	Option Exercise/Conversion (M) Compensation/Award	14,750	+3,750	$0.00	+$0
DAVID C STUMP	May 20	Option Exercise/Conversion (M) Compensation/Award	14,750	+3,750	$0.00	+$0
EDWARD HURWITZ	May 20	Option Exercise/Conversion (M) Compensation/Award	47,824	+3,750	$0.00	+$0
WILLIAM K HEIDEN	May 20	Option Exercise/Conversion (M) Compensation/Award	114,750	+3,750	$0.00	+$0
Margaret Liu	May 20	Option Exercise/Conversion (M) Compensation/Award	14,750	+3,750	$0.00	+$0
Meenu Chhabra	May 20	Option Exercise/Conversion (M) Compensation/Award	14,750	+3,750	$0.00	+$0
Scott Thomas Jackson	May 20	Option Exercise/Conversion (M) Compensation/Award	14,750	+3,750	$0.00	+$0
Karen Jean Ferrante	May 20	Option Exercise/Conversion (M) Compensation/Award	14,750	+3,750	$0.00	+$0
JAY PHILIP SIEGEL	May 20	Option Exercise/Conversion (M) Compensation/Award	14,750	+3,750	$0.00	+$0

February 15, 2026

James Karrels

Option Exercise/Conversion

Change: +14,999

Price: $0.00

Shares: 211,827

Value: +$0

Beth Ann Smith

Option Exercise/Conversion

Change: +1,095

Price: $0.00

Shares: 13,204

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
James Karrels	Feb 17	Option Exercise/Conversion (M) Compensation/Award	211,827	+14,999	$0.00	+$0
Beth Ann Smith	Feb 17	Option Exercise/Conversion (M) Compensation/Award	13,204	+1,095	$0.00	+$0