Insider · CIK 0001706903

Peters Jeffrey Stuart

Reports to the SEC for 1 company · ROCKVILLE, MD

sec.gov

Transactions

Companies

Filings

CIK

0001706903

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-08-19	MGNXMACROGENICS INCS Sale	Senior VP, GC, and Secretary	SSale	−31.1K sh	$4.15	−$129K	0
2026-02-15	MGNXMACROGENICS INCM Exercise/Conversion	Senior VP, GC, and Secretary	MExercise/Conversion	+13.3K sh	—	—	36,252
2026-02-15	MGNXMACROGENICS INCF Tax Payment	Senior VP, GC, and Secretary	FTax Payment	−5,147 sh	$1.71	−$8,801.37	31,105
2026-02-15	MGNXMACROGENICS INC · Restricted Stock UnitM Exercise/Conversion	Senior VP, GC, and Secretary	MExercise/Conversion	−13.3K sh	—	—	0
2026-02-12	MGNXMACROGENICS INC · Employee Stock Option (right to buy)A Award	Senior VP, GC, and Secretary	AAward	+150K sh	—	—	150,000
2026-02-12	MGNXMACROGENICS INC · Restricted Stock UnitA Award	Senior VP, GC, and Secretary	AAward	+25K sh	—	—	25,000
2026-02-08	MGNXMACROGENICS INCM Exercise/Conversion	Senior VP, GC, and Secretary	MExercise/Conversion	+8,999 sh	—	—	26,394
2026-02-08	MGNXMACROGENICS INCF Tax Payment	Senior VP, GC, and Secretary	FTax Payment	−3,474 sh	$1.81	−$6,287.94	22,920
2026-02-08	MGNXMACROGENICS INC · Restricted Stock UnitM Exercise/Conversion	Senior VP, GC, and Secretary	MExercise/Conversion	−8,999 sh	—	—	9,000
2026-02-07	MGNXMACROGENICS INCM Exercise/Conversion	Senior VP, GC, and Secretary	MExercise/Conversion	+6,001 sh	—	—	19,712
2026-02-07	MGNXMACROGENICS INCF Tax Payment	Senior VP, GC, and Secretary	FTax Payment	−2,317 sh	$1.81	−$4,193.77	17,395
2026-02-07	MGNXMACROGENICS INC · Restricted Stock UnitM Exercise/Conversion	Senior VP, GC, and Secretary	MExercise/Conversion	−6,001 sh	—	—	11,999
2025-08-15	MGNXMACROGENICS INC · Employee Stock Option (right to buy)A Award	Senior VP, GC, and Secretary	AAward	+30K sh	—	—	30,000
2025-02-15	MGNXMACROGENICS INCM Exercise/Conversion	Senior VP, GC, and Secretary	MExercise/Conversion	+13.3K sh	—	—	18,858
2025-02-15	MGNXMACROGENICS INCF Tax Payment	Senior VP, GC, and Secretary	FTax Payment	−5,147 sh	$2.56	−$13.2K	13,711
2025-02-15	MGNXMACROGENICS INC · Restricted Stock UnitM Exercise/Conversion	Senior VP, GC, and Secretary	MExercise/Conversion	−13.3K sh	—	—	13,332
2025-02-08	MGNXMACROGENICS INCM Exercise/Conversion	Senior VP, GC, and Secretary	MExercise/Conversion	+9,001 sh	—	—	9,001
2025-02-08	MGNXMACROGENICS INCF Tax Payment	Senior VP, GC, and Secretary	FTax Payment	−3,475 sh	$2.60	−$9,035	5,526
2025-02-08	MGNXMACROGENICS INC · Restricted Stock UnitM Exercise/Conversion	Senior VP, GC, and Secretary	MExercise/Conversion	−9,001 sh	—	—	17,999
2025-02-07	MGNXMACROGENICS INC · Employee Stock Option (right to buy)A Award	Senior VP, GC, and Secretary	AAward	+105K sh	—	—	105,000
2025-02-07	MGNXMACROGENICS INC · Restricted Stock UnitA Award	Senior VP, GC, and Secretary	AAward	+18K sh	—	—	18,000
2024-04-04	MGNXMACROGENICS INCM Exercise/Conversion	Senior VP, GC, and Secretary	MExercise/Conversion	+42.5K sh	$4.82	+$205K	51,395
2024-04-04	MGNXMACROGENICS INCS Sale	Senior VP, GC, and Secretary	SSale	−42.5K sh	$15.07	−$640K	8,895
2024-04-04	MGNXMACROGENICS INCS Sale	Senior VP, GC, and Secretary	SSale	−147 sh	$15.51	−$2,279.97	8,748
2024-04-04	MGNXMACROGENICS INCS Sale	Senior VP, GC, and Secretary	SSale	−232 sh	$16.38	−$3,800.16	8,516
2024-04-04	MGNXMACROGENICS INCS Sale	Senior VP, GC, and Secretary	SSale	−5,351 sh	$17.74	−$94.9K	3,165
2024-04-04	MGNXMACROGENICS INCS Sale	Senior VP, GC, and Secretary	SSale	−3,165 sh	$18.22	−$57.7K	0
2024-04-04	MGNXMACROGENICS INC · Employee stock option (right to buy)M Exercise/Conversion	Senior VP, GC, and Secretary	MExercise/Conversion	−42.5K sh	$4.82	−$205K	127,500
2024-03-06	MGNXMACROGENICS INCM Exercise/Conversion	Senior VP, GC, and Secretary	MExercise/Conversion	+10.9K sh	$11.50	+$125K	19,770
2024-03-06	MGNXMACROGENICS INCM Exercise/Conversion	Senior VP, GC, and Secretary	MExercise/Conversion	+8,750 sh	$10.15	+$88.8K	28,520
2024-03-06	MGNXMACROGENICS INCS Sale	Senior VP, GC, and Secretary	SSale	−19.6K sh	$21.50	−$422K	8,895
2024-03-06	MGNXMACROGENICS INC · Employee stock option (right to buy)M Exercise/Conversion	Senior VP, GC, and Secretary	MExercise/Conversion	−10.9K sh	$11.50	−$125K	0
2024-03-06	MGNXMACROGENICS INC · Employee stock option (right to buy)M Exercise/Conversion	Senior VP, GC, and Secretary	MExercise/Conversion	−8,750 sh	$10.15	−$88.8K	39,375
2024-02-26	MGNXMACROGENICS INCS Sale	Senior VP, GC, and Secretary	SSale	−16.1K sh	$17.22	−$278K	8,895
2024-02-22	MGNXMACROGENICS INCM Exercise/Conversion	Senior VP, GC, and Secretary	MExercise/Conversion	+26.3K sh	—	—	35,145
2024-02-22	MGNXMACROGENICS INCF Tax Payment	Senior VP, GC, and Secretary	FTax Payment	−10.1K sh	$17.11	−$173K	25,019
2024-02-22	MGNXMACROGENICS INC · Restricted Stock UnitM Exercise/Conversion	Senior VP, GC, and Secretary	MExercise/Conversion	−26.3K sh	—	—	0
2024-02-15	MGNXMACROGENICS INCM Exercise/Conversion	Senior VP, GC, and Secretary	MExercise/Conversion	+13.3K sh	—	—	13,336
2024-02-15	MGNXMACROGENICS INCF Tax Payment	Senior VP, GC, and Secretary	FTax Payment	−4,441 sh	$17.40	−$77.3K	8,895
2024-02-15	MGNXMACROGENICS INC · Restricted Stock UnitM Exercise/Conversion	Senior VP, GC, and Secretary	MExercise/Conversion	−13.3K sh	—	—	26,664
2024-02-08	MGNXMACROGENICS INC · Employee Stock Option (right to buy)A Award	Senior VP, GC, and Secretary	AAward	+71K sh	—	—	71,000
2024-02-08	MGNXMACROGENICS INC · Restricted Stock UnitA Award	Senior VP, GC, and Secretary	AAward	+27K sh	—	—	27,000
2024-02-05	MGNXMACROGENICS INCM Exercise/Conversion	Senior VP, GC, and Secretary	MExercise/Conversion	+54.4K sh	$11.50	+$625K	54,376
2024-02-05	MGNXMACROGENICS INCM Exercise/Conversion	Senior VP, GC, and Secretary	MExercise/Conversion	+21.9K sh	$10.15	+$222K	76,251
2024-02-05	MGNXMACROGENICS INCS Sale	Senior VP, GC, and Secretary	SSale	−54.4K sh	$16.50	−$897K	21,875
2024-02-05	MGNXMACROGENICS INCS Sale	Senior VP, GC, and Secretary	SSale	−21.9K sh	$16.50	−$361K	0
2024-02-05	MGNXMACROGENICS INC · Employee stock option (right to buy)M Exercise/Conversion	Senior VP, GC, and Secretary	MExercise/Conversion	−54.4K sh	—	—	10,875
2024-02-05	MGNXMACROGENICS INC · Employee stock option (right to buy)M Exercise/Conversion	Senior VP, GC, and Secretary	MExercise/Conversion	−21.9K sh	—	—	48,125
2023-03-10	MGNXMACROGENICS INCS Sale	Senior VP, GC, and Secretary	SSale	−5,372 sh	$6.03	−$32.4K	0
2023-02-22	MGNXMACROGENICS INCM Exercise/Conversion	Senior VP, GC, and Secretary	MExercise/Conversion	+8,750 sh	—	—	8,750

Recent filings

Accepted (ET)
Aug 204
Peters Jeffrey Stuart0001706903-26-000006
SEC(opens sec.gov)
Feb 174
Peters Jeffrey Stuart0001706903-26-000004
SEC(opens sec.gov)
Feb 104
Peters Jeffrey Stuart0001706903-26-000002
SEC(opens sec.gov)
Aug 194
Peters Jeffrey Stuart0001706903-25-000003
SEC(opens sec.gov)
Feb 194
Peters Jeffrey Stuart0001125345-25-000033
SEC(opens sec.gov)
Feb 114
Peters Jeffrey Stuart0001125345-25-000012
SEC(opens sec.gov)

Companies

MACROGENICS INCSenior VP, GC, and SecretaryMGNX

Address

9704 MEDICAL CENTER DRIVE

ROCKVILLE, MD, 20850