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
Oct 6, 2026Oct 7 8:22 PMEzio BonviniSr VP, Research & CSO
Option Exercise
8,000$2.6080,000(D)

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Aug 17, 2026Aug 18 8:19 PMEzio BonviniSr VP, Research & CSO
Option Exercise
40,000$2.6088,000(D)

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May 19, 2026May 20 8:14 PMFederica F. O'BrienDirector
Grant/Award
25,750$4.523,750(D)

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May 18, 2026May 20 8:14 PMFederica F. O'BrienDirector
Option Exercise
3,750—0(D)

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May 19, 2026May 20 8:14 PMScott Thomas JacksonDirector
Grant/Award
25,750$4.5222,000(D)

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May 18, 2026May 20 8:14 PMScott Thomas JacksonDirector
Option Exercise
3,750—0(D)

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May 19, 2026May 20 8:14 PMWilliam K HeidenDirector
Grant/Award
25,750$4.5222,000(D)

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May 18, 2026May 20 8:14 PMWilliam K HeidenDirector
Option Exercise
3,750—0(D)

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May 18, 2026May 20 8:13 PMJay Philip SiegelDirector
Option Exercise
3,750—0(D)

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May 19, 2026May 20 8:13 PMMargaret LiuDirector
Grant/Award
25,750$4.5222,000(D)

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May 18, 2026May 20 8:13 PMMargaret LiuDirector
Option Exercise
3,750—0(D)

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May 19, 2026May 20 8:13 PMMeenu ChhabraDirector
Grant/Award
25,750$4.523,750(D)

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May 18, 2026May 20 8:13 PMMeenu ChhabraDirector
Option Exercise
3,750—0(D)

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May 19, 2026May 20 8:13 PMEdward HurwitzDirector
Grant/Award
25,750$4.5222,000(D)

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May 18, 2026May 20 8:13 PMEdward HurwitzDirector
Option Exercise
3,750—0(D)

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May 19, 2026May 20 8:13 PMDavid C StumpDirector
Grant/Award
25,750$4.5222,000(D)

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May 18, 2026May 20 8:13 PMDavid C StumpDirector
Option Exercise
3,750—0(D)

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May 19, 2026May 20 8:13 PMKaren Jean FerranteDirector
Grant/Award
25,750$4.5222,000(D)

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May 18, 2026May 20 8:13 PMKaren Jean FerranteDirector
Option Exercise
3,750—0(D)

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May 19, 2026May 20 8:13 PMScott KoenigDirector
Grant/Award
25,750$4.5222,000(D)

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