Form 4 Tracker
MACROGENICS INC
MGNX

27 insider filings · Latest: Oct 6, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Sep 21, 2026Sep 21 8:10 PMThomas Spitznagel
Proposed Sale
15,811$4.14$65.5K—

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Aug 19, 2026Aug 20 10:19 PMJeffrey Stuart PetersSenior VP, GC, and Secretary
Sale
31,105$4.15$129.1K0(D)

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Aug 19, 2026Aug 19 9:20 PMJeffrey Peters
Proposed Sale
31,105$4.15$129.1K—

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Aug 17, 2026Aug 17 9:36 PMJay Siegel
Proposed Sale
42,080$4.18$175.7K—

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Aug 3, 2026Aug 3 8:30 PMJay Siegel
Proposed Sale
34,916$3.75$130.9K—

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Jul 13, 2026Jul 14 1:26 AMThomas Spitznagel
Proposed Sale
17,000$4.44$75.5K—

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Feb 15, 2026Feb 17 11:27 PMEzio BonviniSr VP, Research & CSO
Option Exercise
16,665—0(D)

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Feb 12, 2026Feb 17 11:27 PMEzio BonviniSr VP, Research & CSO
Grant/Award
218,750$1.71187,500(D)

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Feb 15, 2026Feb 17 11:26 PMBeth Ann SmithVP, Controller & Treasurer
Option Exercise
1,095—0(D)

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Feb 12, 2026Feb 17 11:26 PMBeth Ann SmithVP, Controller & Treasurer
Grant/Award
109,375$1.7193,750(D)

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Feb 15, 2026Feb 17 11:25 PMJames KarrelsSVP and CFO
Option Exercise
14,999—0(D)

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Feb 12, 2026Feb 17 11:25 PMJames KarrelsSVP and CFO
Grant/Award
175,000$1.7125,000(D)

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Feb 15, 2026Feb 17 11:25 PMJeffrey Stuart PetersSenior VP, GC, and Secretary
Option Exercise
13,332—0(D)

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Feb 12, 2026Feb 17 11:25 PMJeffrey Stuart PetersSenior VP, GC, and Secretary
Grant/Award
175,000$1.7125,000(D)

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Feb 15, 2026Feb 17 11:24 PMThomas SpitznagelSr VP, Technical Ops
Option Exercise
13,332—0(D)

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Feb 12, 2026Feb 17 11:24 PMThomas SpitznagelSr VP, Technical Ops
Grant/Award
175,000$1.71150,000(D)

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Feb 15, 2026Feb 17 11:23 PMEric Blasius RisserDirector, President and CEO
Option Exercise
16,665—0(D)

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Feb 12, 2026Feb 17 11:23 PMEric Blasius RisserDirector, President and CEO
Grant/Award
695,000$1.71595,000(D)

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Feb 15, 2026Feb 17 11:22 PMScott KoenigDirector
Option Exercise
21,165—0(D)

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Feb 8, 2026Feb 10 11:17 PMScott KoenigDirector
Option Exercise
15,831—15,832(D)

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Feb 8, 2026Feb 10 11:16 PMThomas SpitznagelSr VP, Technical Ops
Option Exercise
8,999—9,000(D)

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Feb 7, 2026Feb 10 11:16 PMThomas SpitznagelSr VP, Technical Ops
Option Exercise
6,001—11,999(D)

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Feb 8, 2026Feb 10 11:16 PMBeth Ann SmithVP, Controller & Treasurer
Option Exercise
1,583—1,584(D)

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Feb 7, 2026Feb 10 11:16 PMBeth Ann SmithVP, Controller & Treasurer
Option Exercise
2,617—5,233(D)

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Feb 8, 2026Feb 10 11:15 PMEric Blasius RisserDirector, President and CEO
Option Exercise
11,166—11,166(D)

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Feb 7, 2026Feb 10 11:15 PMEric Blasius RisserDirector, President and CEO
Option Exercise
6,668—13,332(D)

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