Arkolith/Insider Trading/MGNX

MGNX Insider Trading

MGNX · full profile →Last filing Feb 15, 2026
Mixed · 180d
Open-Market Buys (180d)
$0
0 insiders
Open-Market Sells (180d)
$0
0 insiders
Net Insider Flow
$0
open market, 180d
Reporting Insiders
0
0 P/S transactions
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Build on these Form 4 transactions

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Recent Form 4 Transactions

100 shown
DateInsiderRoleActionSharesPriceValue
Feb 15, 2026Karrels JamesSVP and CFOOption exercise(M)15K——
Feb 15, 2026Karrels JamesSVP and CFOTax withholding(F)6K$1.71$10K
Feb 15, 2026Karrels JamesSVP and CFOOption exercise(M)15K—$0
Feb 15, 2026Koenig ScottDirectorOption exercise(M)21K—$0
Feb 15, 2026Koenig ScottDirectorOption exercise(M)21K—$0
Feb 15, 2026Risser Eric BlasiusPresident and CEO, DirectorOption exercise(M)17K——
Feb 15, 2026Risser Eric BlasiusPresident and CEO, DirectorTax withholding(F)6K$1.71$11K
Feb 15, 2026Risser Eric BlasiusPresident and CEO, DirectorOption exercise(M)17K—$0
Feb 15, 2026Bonvini EzioSr VP, Research & CSOOption exercise(M)17K——
Feb 15, 2026Bonvini EzioSr VP, Research & CSOTax withholding(F)6K$1.71$11K
Feb 15, 2026Bonvini EzioSr VP, Research & CSOOption exercise(M)17K—$0
Feb 15, 2026Spitznagel ThomasSr VP, Technical OpsOption exercise(M)13K——
Feb 15, 2026Spitznagel ThomasSr VP, Technical OpsTax withholding(F)6K$1.71$9K
Feb 15, 2026Spitznagel ThomasSr VP, Technical OpsOption exercise(M)13K—$0
Feb 15, 2026Peters Jeffrey StuartSenior VP, GC, and SecretaryOption exercise(M)13K——
Feb 15, 2026Peters Jeffrey StuartSenior VP, GC, and SecretaryTax withholding(F)5K$1.71$9K
Feb 15, 2026Peters Jeffrey StuartSenior VP, GC, and SecretaryOption exercise(M)13K—$0
Feb 15, 2026Smith Beth AnnVP, Controller & TreasurerTax withholding(F)423$1.71$723
Feb 15, 2026Smith Beth AnnVP, Controller & TreasurerOption exercise(M)1K——
Feb 15, 2026Smith Beth AnnVP, Controller & TreasurerOption exercise(M)1K—$0
Feb 12, 2026Karrels JamesSVP and CFOGrant(A)150K—$0
Feb 12, 2026Karrels JamesSVP and CFOGrant(A)25K—$0
Feb 12, 2026Risser Eric BlasiusPresident and CEO, DirectorGrant(A)100K—$0
Feb 12, 2026Risser Eric BlasiusPresident and CEO, DirectorGrant(A)595K—$0
Feb 12, 2026Bonvini EzioSr VP, Research & CSOGrant(A)188K—$0
Feb 12, 2026Bonvini EzioSr VP, Research & CSOGrant(A)31K—$0
Feb 12, 2026Spitznagel ThomasSr VP, Technical OpsGrant(A)25K—$0
Feb 12, 2026Spitznagel ThomasSr VP, Technical OpsGrant(A)150K—$0
Feb 12, 2026Peters Jeffrey StuartSenior VP, GC, and SecretaryGrant(A)150K—$0
Feb 12, 2026Peters Jeffrey StuartSenior VP, GC, and SecretaryGrant(A)25K—$0
Feb 12, 2026Smith Beth AnnVP, Controller & TreasurerGrant(A)94K—$0
Feb 12, 2026Smith Beth AnnVP, Controller & TreasurerGrant(A)16K—$0
Feb 8, 2026Karrels JamesSVP and CFOOption exercise(M)10K——
Feb 8, 2026Karrels JamesSVP and CFOTax withholding(F)4K$1.81$7K
Feb 8, 2026Karrels JamesSVP and CFOOption exercise(M)10K—$0
Feb 8, 2026Koenig ScottDirectorOption exercise(M)16K——
Feb 8, 2026Koenig ScottDirectorOption exercise(M)16K—$0
Feb 8, 2026Risser Eric BlasiusPresident and CEO, DirectorTax withholding(F)4K$1.81$8K
Feb 8, 2026Risser Eric BlasiusPresident and CEO, DirectorOption exercise(M)11K——
Feb 8, 2026Risser Eric BlasiusPresident and CEO, DirectorOption exercise(M)11K—$0
Feb 8, 2026Bonvini EzioSr VP, Research & CSOOption exercise(M)11K——
Feb 8, 2026Bonvini EzioSr VP, Research & CSOTax withholding(F)4K$1.81$8K
Feb 8, 2026Bonvini EzioSr VP, Research & CSOOption exercise(M)11K—$0
Feb 8, 2026Spitznagel ThomasSr VP, Technical OpsOption exercise(M)9K——
Feb 8, 2026Spitznagel ThomasSr VP, Technical OpsTax withholding(F)3K$1.81$6K
Feb 8, 2026Spitznagel ThomasSr VP, Technical OpsOption exercise(M)9K—$0
Feb 8, 2026Peters Jeffrey StuartSenior VP, GC, and SecretaryTax withholding(F)3K$1.81$6K
Feb 8, 2026Peters Jeffrey StuartSenior VP, GC, and SecretaryOption exercise(M)9K——
Feb 8, 2026Peters Jeffrey StuartSenior VP, GC, and SecretaryOption exercise(M)9K—$0
Feb 8, 2026Smith Beth AnnVP, Controller & TreasurerTax withholding(F)612$1.81$1K
Feb 8, 2026Smith Beth AnnVP, Controller & TreasurerOption exercise(M)2K——
Feb 8, 2026Smith Beth AnnVP, Controller & TreasurerOption exercise(M)2K—$0
Feb 7, 2026Karrels JamesSVP and CFOTax withholding(F)2K$1.81$4K
Feb 7, 2026Karrels JamesSVP and CFOOption exercise(M)6K——
Feb 7, 2026Karrels JamesSVP and CFOOption exercise(M)6K—$0
Feb 7, 2026Risser Eric BlasiusPresident and CEO, DirectorOption exercise(M)7K——
Feb 7, 2026Risser Eric BlasiusPresident and CEO, DirectorTax withholding(F)3K$1.81$5K
Feb 7, 2026Risser Eric BlasiusPresident and CEO, DirectorOption exercise(M)7K—$0
Feb 7, 2026Bonvini EzioSr VP, Research & CSOTax withholding(F)3K$1.81$5K
Feb 7, 2026Bonvini EzioSr VP, Research & CSOOption exercise(M)7K——
Feb 7, 2026Bonvini EzioSr VP, Research & CSOOption exercise(M)7K—$0
Feb 7, 2026Spitznagel ThomasSr VP, Technical OpsOption exercise(M)6K——
Feb 7, 2026Spitznagel ThomasSr VP, Technical OpsTax withholding(F)2K$1.81$4K
Feb 7, 2026Spitznagel ThomasSr VP, Technical OpsOption exercise(M)6K—$0
Feb 7, 2026Peters Jeffrey StuartSenior VP, GC, and SecretaryTax withholding(F)2K$1.81$4K
Feb 7, 2026Peters Jeffrey StuartSenior VP, GC, and SecretaryOption exercise(M)6K——
Feb 7, 2026Peters Jeffrey StuartSenior VP, GC, and SecretaryOption exercise(M)6K—$0
Feb 7, 2026Smith Beth AnnVP, Controller & TreasurerTax withholding(F)1K$1.81$2K
Feb 7, 2026Smith Beth AnnVP, Controller & TreasurerOption exercise(M)3K——
Feb 7, 2026Smith Beth AnnVP, Controller & TreasurerOption exercise(M)3K—$0
Dec 8, 2025Smith Beth AnnVP, Controller & TreasurerGrant(A)25K—$0
Aug 20, 2025Heiden William KDirectorBuy(P)50K$1.49$74K
Aug 19, 2025Heiden William KDirectorBuy(P)51K$1.52$77K
Aug 15, 2025Spitznagel ThomasSr VP, Technical OpsGrant(A)30K—$0
Aug 15, 2025Peters Jeffrey StuartSenior VP and General CounselGrant(A)30K—$0
Aug 13, 2025Koenig ScottDirectorOption exercise(M)21K—$0
Aug 13, 2025Koenig ScottDirectorOption exercise(M)32K—$0
Aug 13, 2025Koenig ScottDirectorOption exercise(M)21K—$0
Aug 13, 2025Koenig ScottDirectorOption exercise(M)32K—$0
Aug 13, 2025Risser Eric BlasiusPresident and CEO, DirectorGrant(A)550K—$0
May 21, 2025Stump David CDirectorGrant(A)4K—$0
May 21, 2025Siegel Jay PhilipDirectorGrant(A)22K—$0
May 21, 2025Siegel Jay PhilipDirectorGrant(A)4K—$0
May 21, 2025Chhabra MeenuDirectorGrant(A)22K—$0
May 21, 2025Chhabra MeenuDirectorGrant(A)4K—$0
May 21, 2025Chhabra MeenuDirectorGrant(A)49K$1.27$63K
May 21, 2025Hurwitz EdwardDirectorGrant(A)22K—$0
May 21, 2025Hurwitz EdwardDirectorGrant(A)4K—$0
May 21, 2025Liu MargaretDirectorGrant(A)4K—$0
May 21, 2025Liu MargaretDirectorGrant(A)22K—$0
May 21, 2025Ferrante Karen JeanDirectorGrant(A)4K—$0
May 21, 2025Ferrante Karen JeanDirectorGrant(A)22K—$0
May 21, 2025Stump David CDirectorGrant(A)22K—$0
May 21, 2025Heiden William KDirectorGrant(A)22K—$0
May 21, 2025Heiden William KDirectorGrant(A)4K—$0
May 21, 2025Jackson Scott ThomasDirectorGrant(A)4K—$0
May 21, 2025Jackson Scott ThomasDirectorGrant(A)22K—$0
May 21, 2025O'Brien Federica F.DirectorGrant(A)65K$1.27$83K
May 21, 2025O'Brien Federica F.DirectorGrant(A)22K—$0
May 21, 2025O'Brien Federica F.DirectorGrant(A)4K—$0

Data Source

Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.

Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).