SEC Insider Transactions from LaChapelle Robin.

Last updated: 2026-03-14 11:47 UTC | Total transactions: 18

LaChapelle Robin has filed 18 insider transactions across 1 company since September 2024.

Most recent transaction: a grant/award of 130000 shares of ArriVent BioPharma, Inc. ($AVBP) on February 02, 2026.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
Feb. 2, 2026 ArriVent BioPharma, Inc. $AVBP LaChapelle Robin Chief Operating Officer A Stock Option (right to buy) 130000 $0.00 130,000.0000 38,462,600 9999.99% 0.34%
July 11, 2025 ArriVent BioPharma, Inc. $AVBP LaChapelle Robin Chief Operating Officer M Common Stock 2600 $2.28 523,710.0000 35,006,114 0.50% 0.01%
July 11, 2025 ArriVent BioPharma, Inc. $AVBP LaChapelle Robin Chief Operating Officer M Common Stock 6503 $2.28 530,213.0000 35,006,114 1.24% 0.02%
July 11, 2025 ArriVent BioPharma, Inc. $AVBP LaChapelle Robin Chief Operating Officer M Stock Option (right to buy) 2050 $0.00 410.0000 35,006,114 83.33% 0.01%
July 11, 2025 ArriVent BioPharma, Inc. $AVBP LaChapelle Robin Chief Operating Officer M Stock Option (right to buy) 2600 $0.00 12,873.0000 35,006,114 16.80% 0.01%
July 11, 2025 ArriVent BioPharma, Inc. $AVBP LaChapelle Robin Chief Operating Officer M Stock Option (right to buy) 6503 $0.00 6,370.0000 35,006,114 50.52% 0.02%
July 11, 2025 ArriVent BioPharma, Inc. $AVBP LaChapelle Robin Chief Operating Officer M Common Stock 2050 $2.28 521,110.0000 35,006,114 0.39% 0.01%
Feb. 3, 2025 ArriVent BioPharma, Inc. $AVBP LaChapelle Robin Chief Operating Officer A Stock Option (right to buy) 120000 $0.00 120,000.0000 31,469,328 9999.99% 0.38%
Sept. 19, 2024 ArriVent BioPharma, Inc. $AVBP LaChapelle Robin Chief Operating Officer M Common Stock 2867 $2.28 497,061.0000 33,502,347 0.58% 0.01%
Sept. 19, 2024 ArriVent BioPharma, Inc. $AVBP LaChapelle Robin Chief Operating Officer M Common Stock 7164 $2.28 504,225.0000 33,502,347 1.44% 0.02%
Sept. 19, 2024 ArriVent BioPharma, Inc. $AVBP LaChapelle Robin Chief Operating Officer M Common Stock 2471 $2.28 506,696.0000 33,502,347 0.49% 0.01%
Sept. 19, 2024 ArriVent BioPharma, Inc. $AVBP LaChapelle Robin Chief Operating Officer M Common Stock 12364 $3.65 519,060.0000 33,502,347 2.44% 0.04%
Sept. 19, 2024 ArriVent BioPharma, Inc. $AVBP LaChapelle Robin Chief Operating Officer M Common Stock 2700 $6.24 494,194.0000 33,502,347 0.55% 0.01%
Sept. 19, 2024 ArriVent BioPharma, Inc. $AVBP LaChapelle Robin Chief Operating Officer M Stock Option (right to buy) 2867 $0.00 22,637.0000 33,502,347 11.24% 0.01%
Sept. 19, 2024 ArriVent BioPharma, Inc. $AVBP LaChapelle Robin Chief Operating Officer M Stock Option (right to buy) 7164 $0.00 15,473.0000 33,502,347 31.65% 0.02%
Sept. 19, 2024 ArriVent BioPharma, Inc. $AVBP LaChapelle Robin Chief Operating Officer M Stock Option (right to buy) 12364 $0.00 18,865.0000 33,502,347 39.59% 0.04%
Sept. 19, 2024 ArriVent BioPharma, Inc. $AVBP LaChapelle Robin Chief Operating Officer M Stock Option (right to buy) 2700 $0.00 56,471.0000 33,502,347 4.56% 0.01%
Sept. 19, 2024 ArriVent BioPharma, Inc. $AVBP LaChapelle Robin Chief Operating Officer M Stock Option (right to buy) 2471 $0.00 2,460.0000 33,502,347 50.11% 0.01%