SEC Insider Transactions from Young Alethia.

Last updated: 2026-03-14 11:43 UTC | Total transactions: 35

Young Alethia, CFO of Bicycle Therapeutics PLC ($BCYC), made seven open market sales of company shares over the last year, totaling $57,762. Her most recent sale occurred on January 5, 2026. These transactions rank her 10,237th out of 11,678 insiders by sale value, far below the average of $8.6 million across 6.4 sales per insider. She reported no open market purchases during this period.

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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
Jan. 2, 2026 PTC THERAPEUTICS, INC. $PTCT Young Alethia Not found A Common Stock 4000 $0.00 21,067.0000 88,311,494 23.44% 0.00%
Jan. 2, 2026 BICYCLE THERAPEUTICS PLC $BCYC Young Alethia Chief Financial Officer A Employee Stock Option (right to buy) 100000 $0.00 100,000.0000 69,303,746 9999.99% 0.14%
Jan. 5, 2026 BICYCLE THERAPEUTICS PLC $BCYC Young Alethia Chief Financial Officer S Ordinary Shares 1878 $6.54 87,081.0000 69,303,746 2.11% 0.00%
Jan. 5, 2026 BICYCLE THERAPEUTICS PLC $BCYC Young Alethia Chief Financial Officer S Ordinary Shares 2456 $6.45 88,959.0000 69,303,746 2.69% 0.00%
Jan. 2, 2026 BICYCLE THERAPEUTICS PLC $BCYC Young Alethia Chief Financial Officer S Ordinary Shares 3289 $6.80 91,415.0000 69,303,746 3.47% 0.00%
Jan. 2, 2026 BICYCLE THERAPEUTICS PLC $BCYC Young Alethia Chief Financial Officer A Ordinary Shares 50000 $0.00 94,704.0000 69,303,746 111.85% 0.07%
Jan. 2, 2026 PTC THERAPEUTICS, INC. $PTCT Young Alethia Not found A Stock Option (Right to Buy) 3475 $0.00 3,475.0000 88,311,494 9999.99% 0.00%
Oct. 2, 2025 BICYCLE THERAPEUTICS PLC $BCYC Young Alethia Chief Financial Officer S Ordinary Shares 265 $8.61 44,704.0000 69,303,746 0.59% 0.00%
Oct. 2, 2025 BICYCLE THERAPEUTICS PLC $BCYC Young Alethia Chief Financial Officer S Ordinary Shares 217 $8.40 44,969.0000 69,303,746 0.48% 0.00%
July 2, 2025 BICYCLE THERAPEUTICS PLC $BCYC Young Alethia Chief Financial Officer S Ordinary Shares 204 $7.09 45,186.0000 69,252,009 0.45% 0.00%
June 11, 2025 Pacira BioSciences, Inc. $PCRX Young Alethia Director A Stock Option (Right to Buy) 11279 $0.00 11,279.0000 46,245,000 9999.99% 0.02%
June 11, 2025 Pacira BioSciences, Inc. $PCRX Young Alethia Director A Common Stock 6163 $0.00 11,393.0000 46,245,000 117.84% 0.01%
April 2, 2025 BICYCLE THERAPEUTICS PLC $BCYC Young Alethia Chief Financial Officer S Ordinary Shares 215 $8.02 45,390.0000 69,196,945 0.47% 0.00%
Jan. 3, 2025 PTC THERAPEUTICS, INC. $PTCT Young Alethia Not found A Common Stock 4000 $0.00 17,067.0000 76,845,055 30.61% 0.01%
Jan. 3, 2025 PTC THERAPEUTICS, INC. $PTCT Young Alethia Not found A Stock Option (Right to Buy) 8800 $0.00 8,800.0000 76,845,055 9999.99% 0.01%
Jan. 2, 2025 BICYCLE THERAPEUTICS PLC $BCYC Young Alethia Chief Financial Officer S Ordinary Shares 1395 $14.09 45,605.0000 58,207,593 2.97% 0.00%
Jan. 2, 2025 BICYCLE THERAPEUTICS PLC $BCYC Young Alethia Chief Financial Officer A Ordinary Shares 35000 $0.00 47,000.0000 58,207,593 291.67% 0.06%
Jan. 2, 2025 BICYCLE THERAPEUTICS PLC $BCYC Young Alethia Chief Financial Officer A Employee Stock Option (right to buy) 87000 $0.00 87,000.0000 58,207,593 9999.99% 0.15%
June 12, 2024 Pacira BioSciences, Inc. $PCRX Young Alethia Director A Stock Option (Right to Buy) 12179 $0.00 12,179.0000 51,979,000 9999.99% 0.02%
June 12, 2024 Pacira BioSciences, Inc. $PCRX Young Alethia Director A Common Stock 5230 $0.00 5,230.0000 51,979,000 9999.99% 0.01%
Feb. 15, 2024 PTC THERAPEUTICS, INC. $PTCT Young Alethia Not found A Common Stock 4000 $0.00 13,067.0000 74,838,292 44.12% 0.01%
Feb. 15, 2024 PTC THERAPEUTICS, INC. $PTCT Young Alethia Not found A Stock Option (Right to Buy) 10000 $0.00 10,000.0000 74,838,292 9999.99% 0.01%
Jan. 2, 2024 BICYCLE THERAPEUTICS PLC $BCYC Young Alethia Chief Financial Officer A Ordinary Shares 12000 $0.00 12,000.0000 35,592,362 9999.99% 0.03%
Jan. 2, 2024 BICYCLE THERAPEUTICS PLC $BCYC Young Alethia Chief Financial Officer A Employee Stock Option (right to buy) 24000 $0.00 24,000.0000 35,592,362 9999.99% 0.07%
Oct. 6, 2023 Pacira BioSciences, Inc. $PCRX Young Alethia Director A Stock Option (Right to Buy) 30967 $0.00 30,967.0000 46,538,000 9999.99% 0.07%
Sept. 6, 2023 PTC THERAPEUTICS, INC. $PTCT Young Alethia Not found S Common Stock 4666 $39.79 9,067.0000 74,730,433 33.98% 0.01%
Sept. 6, 2023 PTC THERAPEUTICS, INC. $PTCT Young Alethia Not found M Stock Option (Right to Buy) 7000 $27.85 10,000.0000 74,730,433 41.18% 0.01%
Sept. 6, 2023 PTC THERAPEUTICS, INC. $PTCT Young Alethia Not found M Stock Option (Right to Buy) 4666 $27.85 17,334.0000 74,730,433 21.21% 0.01%
Sept. 6, 2023 PTC THERAPEUTICS, INC. $PTCT Young Alethia Not found M Common Stock 4666 $27.85 13,733.0000 74,730,433 51.46% 0.01%
Sept. 6, 2023 PTC THERAPEUTICS, INC. $PTCT Young Alethia Not found S Common Stock 7000 $39.90 9,067.0000 74,730,433 43.57% 0.01%
Sept. 6, 2023 PTC THERAPEUTICS, INC. $PTCT Young Alethia Not found M Common Stock 7000 $27.85 16,067.0000 74,730,433 77.20% 0.01%
July 17, 2023 BICYCLE THERAPEUTICS PLC $BCYC Young Alethia Chief Financial Officer A Employee Share Option (Right to Buy) 120000 $0.00 120,000.0000 30,191,693 9999.99% 0.40%
Feb. 21, 2023 LENZ Therapeutics, Inc. $LENZ Young Alethia Chief Financial Officer A Stock Option (right to buy) 220000 $0.00 220,000.0000 0 9999.99% 0.00%
Jan. 5, 2023 PTC THERAPEUTICS, INC. $PTCT Young Alethia Not found A Stock Option (Right to Buy) 10000 $0.00 10,000.0000 71,728,634 9999.99% 0.01%
Jan. 5, 2023 PTC THERAPEUTICS, INC. $PTCT Young Alethia Not found A Common Stock 4000 $0.00 9,067.0000 71,728,634 78.94% 0.01%