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KJ

SEC Insider//CIK 0001798800

Kastenmayer James Paul

CIK 00017988003 companiesNEWTOWN SQUARE, PA

Transactions

6

Companies

3

Filings

6

CIK

0001798800

Recent Transactions

6 trades

Award
ArriVent BioPharma, Inc.$AVBP
Stock Option (right to buy)
2026-02-02+130,000→ 130,000 total
Award
ArriVent BioPharma, Inc.$AVBP
Stock Option (right to buy)
2025-02-03+102,000→ 102,000 total
Award
Spyre Therapeutics, Inc.$SYRE
Employee Stock Option (right to buy)
2023-02-23+500,000→ 500,000 total
Award
Spyre Therapeutics, Inc.$SYRE
Employee Stock Option (right to buy)
2022-08-23+130,000→ 130,000 total
Disposition to Issuer
Viela Bio, Inc.
Stock Option (right to buy)
2021-03-15−50,000→ 0 total
Award
Viela Bio, Inc.
Stock Option (right to buy)
2020-01-14+50,000→ 50,000 total

Companies

3

Recent Filings

6

Address

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

NEWTOWN SQUARE, PA, 19073

View on SEC.gov