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Insider · CIK 0002009136

LaChapelle Robin

Reports to the SEC for 1 company · NEWTOWN SQUARE, PA

Transactions

18

Companies

1

Filings

4

CIK

0002009136

Forms 4 and 5

Insider transactions

18 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-02-02	AVBPArriVent BioPharma, Inc. · Stock Option (right to buy)A Award	Chief Operating Officer	AAward	+130K sh	—	—	130,000
2025-07-11	AVBPArriVent BioPharma, Inc.M Exercise/Conversion	Chief Operating Officer	MExercise/Conversion	+2,600 sh	$2.28	+$5,928	129,233
2025-07-11	AVBPArriVent BioPharma, Inc.M Exercise/Conversion	Chief Operating Officer	MExercise/Conversion	+6,503 sh	$2.28	+$14.8K	135,736
2025-07-11	AVBPArriVent BioPharma, Inc. · Stock Option (right to buy)M Exercise/Conversion	Chief Operating Officer	MExercise/Conversion	−2,050 sh	—	—	410
2025-07-11	AVBPArriVent BioPharma, Inc.M Exercise/Conversion	Chief Operating Officer	MExercise/Conversion	+2,050 sh	$2.28	+$4,674	126,633
2025-07-11	AVBPArriVent BioPharma, Inc. · Stock Option (right to buy)M Exercise/Conversion	Chief Operating Officer	MExercise/Conversion	−6,503 sh	—	—	6,370
2025-07-11	AVBPArriVent BioPharma, Inc. · Stock Option (right to buy)M Exercise/Conversion	Chief Operating Officer	MExercise/Conversion	−2,600 sh	—	—	12,873
2025-02-03	AVBPArriVent BioPharma, Inc. · Stock Option (right to buy)A Award	Chief Operating Officer	AAward	+120K sh	—	—	120,000
2024-09-19	AVBPArriVent BioPharma, Inc. · Stock Option (right to buy)M Exercise/Conversion	Chief Operating Officer	MExercise/Conversion	−12.4K sh	—	—	18,865
2024-09-19	AVBPArriVent BioPharma, Inc.M Exercise/Conversion	Chief Operating Officer	MExercise/Conversion	+2,700 sh	$6.24	+$16.8K	99,717
2024-09-19	AVBPArriVent BioPharma, Inc. · Stock Option (right to buy)M Exercise/Conversion	Chief Operating Officer	MExercise/Conversion	−2,700 sh	—	—	56,471
2024-09-19	AVBPArriVent BioPharma, Inc.M Exercise/Conversion	Chief Operating Officer	MExercise/Conversion	+2,867 sh	$2.28	+$6,536.76	102,584
2024-09-19	AVBPArriVent BioPharma, Inc.M Exercise/Conversion	Chief Operating Officer	MExercise/Conversion	+7,164 sh	$2.28	+$16.3K	109,748
2024-09-19	AVBPArriVent BioPharma, Inc.M Exercise/Conversion	Chief Operating Officer	MExercise/Conversion	+2,471 sh	$2.28	+$5,633.88	112,219
2024-09-19	AVBPArriVent BioPharma, Inc.M Exercise/Conversion	Chief Operating Officer	MExercise/Conversion	+12.4K sh	$3.65	+$45.1K	124,583
2024-09-19	AVBPArriVent BioPharma, Inc. · Stock Option (right to buy)M Exercise/Conversion	Chief Operating Officer	MExercise/Conversion	−2,471 sh	—	—	2,460
2024-09-19	AVBPArriVent BioPharma, Inc. · Stock Option (right to buy)M Exercise/Conversion	Chief Operating Officer	MExercise/Conversion	−2,867 sh	—	—	22,637
2024-09-19	AVBPArriVent BioPharma, Inc. · Stock Option (right to buy)M Exercise/Conversion	Chief Operating Officer	MExercise/Conversion	−7,164 sh	—	—	15,473

Recent filings

4

Accepted (ET)
Feb 44
LaChapelle Robin0001104659-26-010478
SEC(opens sec.gov)
Jul 154
LaChapelle Robin0001104659-25-067928
SEC(opens sec.gov)
Feb 144
LaChapelle Robin0001104659-25-014170
SEC(opens sec.gov)
Sep 234
LaChapelle Robin0001104659-24-102146
SEC(opens sec.gov)

Companies

1

ArriVent BioPharma, Inc.Chief Operating OfficerAVBP

Address

C/O ARRIVENT BIOPHARMA, INC. 18 CAMPUS BOULEVARD, SUITE 100

NEWTOWN SQUARE, PA, 19073