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BCYC

BICYCLE THERAPEUTICS (BCYC) stock: insider trades, news & valuation

Heavy selling
Close · Oct 9, 2026 $3.89 +2.1% on the day -56.1% over 12 months 52-week range $3.38 – $8.87

Share price and insider trades

BCYC closeInsider buyInsider sale
246810NovDecJan 2026FebMarAprMayJunJulAugSepOctSold $11,646 on 2026-10-05 · Jennifer Scott Perry, Kevin Lee, Michael Charles Ferguson Hannay, Michael Skynner, Travis Alvin ThompsonSold $12,957 on 2026-07-06 · Jennifer Scott Perry, Kevin Lee, Michael Charles Ferguson Hannay, Michael Skynner, Travis Alvin ThompsonSold $14,965 on 2026-04-06 · Jennifer Scott Perry, Kevin Lee, Michael Charles Ferguson Hannay, Michael Skynner, Travis Alvin ThompsonSold $47,504 on 2026-07-02 · Jennifer Scott Perry, Kevin Lee, Michael Charles Ferguson Hannay, Michael Skynner, Travis Alvin ThompsonSold $52,394 on 2026-10-02 · Jennifer Scott Perry, Kevin Lee, Michael Charles Ferguson Hannay, Michael Skynner, Robert Charles Swanton, Travis Alvin ThompsonSold $55,012 on 2026-04-02 · Jennifer Scott Perry, Kevin Lee, Michael Charles Ferguson Hannay, Michael Skynner, Travis Alvin ThompsonSold $163,520 on 2026-01-02 · Alethia Young, Alistair Milnes, Kevin Lee, Michael Charles Ferguson Hannay, Michael Skynner, Travis Alvin ThompsonSold $164,737 on 2026-01-05 · Alethia Young, Alistair Milnes, Kevin Lee, Michael Charles Ferguson Hannay, Michael Skynner, Travis Alvin Thompson
Bought, 12 months$0
Sold, 12 months$523K
Insiders buying0
Insiders selling8

BICYCLE THERAPEUTICS insider trading at a glance (Oct 9, 2026): in the past 12 months, 0 insiders bought $0 and 8 sold $523K of BCYC stock on the open market.

BCYC insider buying and selling by quarter

Open-market purchases (green, above the line) and sales (red, below), by trade date.

Q4 2025: $93K sold (13 trades)Q4 2025Q1 2026: $328K sold (13 trades)Q1 2026Q2 2026: $70K sold (11 trades)Q2 2026Q3 2026: $60K sold (11 trades)Q3 2026Q4 2026: $64K sold (14 trades)Q4 2026
QuarterBoughtPurchasesSoldSales
Q4 2026—0$64K14
Q3 2026—0$60K11
Q2 2026—0$70K11
Q1 2026—0$328K13
Q4 2025—0$93K13

Valuation, profit and volume

P/E (trailing)n/aSector median —
Market value— 
Profit margin—Revenue growth —
Volume vs. 50-day1.9×Last 5 sessions
Insiders' paper profit—On all tracked purchases —

Summary

Over the past 12 months, 0 BICYCLE THERAPEUTICS PLC insiders reported open-market purchases totaling $0, while 8 insiders reported sales totaling $523K. 17 of 62 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.

Insider transactions

Open-market purchases and sales.

Filed Insider Type Shares Price Value Since Score
Oct 7SEC Jennifer Scott PerryCOO Sell Plan 32689,602 held (−0%) $3.78 $1K +2.9% —
Oct 7SEC Jennifer Scott PerryCOO Sell Plan 3089,928 held (−0%) $3.57 $107 +9.0% —
Oct 6SEC Kevin LeeCEO Sell 6,167597,504 held (−1%) $3.47 $21K +12.1% —
Oct 6SEC Robert Charles SwantonDirector Sell 3,43115,782 held (−18%) $3.47 $12K +12.1% —
Oct 6SEC Michael SkynnerChief Scientific Officer Sell 1,942155,229 held (−1%) $3.47 $7K +12.1% —
Oct 6SEC Kevin LeeCEO Sell 1,638595,866 held (−0%) $3.57 $6K +9.0% —
Oct 6SEC Michael Charles Ferguson HannayChief Prod & Supply Chain Off Sell 1,57292,803 held (−2%) $3.47 $5K +12.1% —
Oct 6SEC Jennifer Scott PerryCOO Sell Plan 1,09489,958 held (−1%) $3.47 $4K +12.1% —
Oct 6SEC Travis Alvin ThompsonCFO Sell 89364,528 held (−1%) $3.47 $3K +12.1% —
Oct 6SEC Michael SkynnerChief Scientific Officer Sell 503154,726 held (−0%) $3.57 $2K +9.0% —
Oct 6SEC Jennifer Scott PerryCOO Sell Plan 32689,552 held (−0%) $3.78 $1K +2.9% —
Oct 6SEC Michael Charles Ferguson HannayChief Prod & Supply Chain Off Sell 24292,561 held (−0%) $3.57 $864 +9.0% —
Oct 6SEC Jennifer Scott PerryCOO Sell Plan 8089,878 held (−0%) $3.56 $285 +9.3% —
Oct 6SEC Travis Alvin ThompsonCFO Sell 7964,449 held (−0%) $3.57 $282 +9.0% —
Jul 7SEC Kevin LeeCEO Sell 5,905605,408 held (−1%) $4.27 $25K -8.9% —
Jul 7SEC Michael SkynnerChief Scientific Officer Sell 1,859157,703 held (−1%) $4.27 $8K -8.9% —
Jul 7SEC Kevin LeeCEO Sell 1,737603,671 held (−0%) $4.31 $7K -9.7% —
Jul 7SEC Michael Charles Ferguson HannayChief Prod & Supply Chain Off Sell 1,50694,630 held (−2%) $4.27 $6K -8.9% —
Jul 7SEC Jennifer Scott PerryCOO Sell Plan 1,03691,428 held (−1%) $4.27 $4K -8.9% —
Jul 7SEC Travis Alvin ThompsonCFO Sell 81964,545 held (−1%) $4.27 $3K -8.9% —
Jul 7SEC Michael SkynnerChief Scientific Officer Sell 532157,171 held (−0%) $4.31 $2K -9.7% —
Jul 7SEC Jennifer Scott PerryCOO Sell Plan 33391,052 held (−0%) $4.34 $1K -10.4% —
Jul 7SEC Michael Charles Ferguson HannayChief Prod & Supply Chain Off Sell 25594,375 held (−0%) $4.31 $1K -9.7% —
Jul 7SEC Travis Alvin ThompsonCFO Sell 10464,441 held (−0%) $4.31 $448 -9.7% —
Jul 7SEC Jennifer Scott PerryCOO Sell Plan 4391,385 held (−0%) $4.31 $185 -9.7% —
Apr 6SEC Kevin LeeCEO Sell 5,967613,029 held (−1%) $4.91 $29K -20.8% —
Apr 6SEC Michael SkynnerChief Scientific Officer Sell 1,879160,087 held (−1%) $4.91 $9K -20.8% —
Apr 6SEC Kevin LeeCEO Sell 1,716611,313 held (−0%) $5.05 $9K -23.0% —
Apr 6SEC Michael Charles Ferguson HannayChief Prod & Supply Chain Off Sell 1,52196,387 held (−2%) $4.91 $7K -20.8% —
Apr 6SEC Jennifer Scott PerryCOO Sell Plan 1,03892,834 held (−1%) $4.91 $5K -20.8% —
Apr 6SEC Travis Alvin ThompsonCFO Sell 79965,466 held (−1%) $4.91 $4K -20.8% —
Apr 6SEC Michael SkynnerChief Scientific Officer Sell 525159,562 held (−0%) $5.05 $3K -23.0% —
Apr 6SEC Jennifer Scott PerryCOO Sell Plan 33392,464 held (−0%) $5.04 $2K -22.8% —
Apr 6SEC Michael Charles Ferguson HannayChief Prod & Supply Chain Off Sell 25196,136 held (−0%) $5.05 $1K -23.0% —
Apr 6SEC Travis Alvin ThompsonCFO Sell 10265,364 held (−0%) $5.05 $515 -23.0% —
Apr 6SEC Jennifer Scott PerryCOO Sell Plan 3792,797 held (−0%) $5.05 $187 -23.0% —
Jan 6SEC Kevin LeeCEO Sell 10,989618,996 held (−2%) $6.46 $71K -39.8% —
Jan 6SEC Kevin LeeCEO Sell 10,325629,985 held (−2%) $6.80 $70K -42.8% —
Jan 6SEC Alethia YoungCFO Sell Plan 3,28991,415 held (−3%) $6.80 $22K -42.8% —
Jan 6SEC Alistair MilnesCOO Sell 3,416136,717 held (−2%) $6.46 $22K -39.8% —
Jan 6SEC Alistair MilnesCOO Sell 3,244140,133 held (−2%) $6.80 $22K -42.8% —
Jan 6SEC Michael SkynnerCTO Sell 3,266161,966 held (−2%) $6.46 $21K -39.8% —
Jan 6SEC Michael SkynnerCTO Sell 3,045165,232 held (−2%) $6.80 $21K -42.8% —
Jan 6SEC Michael Charles Ferguson HannayChief Prod & Supply Chain Off Sell 2,827100,275 held (−3%) $6.80 $19K -42.8% —
Jan 6SEC Alethia YoungCFO Sell Plan 2,45688,959 held (−3%) $6.45 $16K -39.7% —
Jan 6SEC Michael Charles Ferguson HannayChief Prod & Supply Chain Off Sell 2,36797,908 held (−2%) $6.45 $15K -39.7% —
Jan 6SEC Alethia YoungCFO Sell Plan 1,87887,081 held (−2%) $6.54 $12K -40.5% —
Jan 6SEC Travis Alvin ThompsonChief Accounting Officer Sell 1,31767,380 held (−2%) $6.80 $9K -42.8% —
Jan 6SEC Travis Alvin ThompsonChief Accounting Officer Sell 1,11566,265 held (−2%) $6.45 $7K -39.7% —
Oct 6SEC Kevin LeeCEO Sell 3,231475,310 held (−1%) $8.41 $27K -53.7% —
Oct 6SEC Kevin LeeCEO Sell 2,263478,541 held (−0%) $8.40 $19K -53.7% —
Oct 6SEC Alistair MilnesCOO Sell 1,14794,355 held (−1%) $8.40 $10K -53.7% —
Oct 6SEC Michael SkynnerCTO Sell 978118,277 held (−1%) $8.41 $8K -53.7% —
Oct 6SEC Alistair MilnesCOO Sell 97893,377 held (−1%) $8.41 $8K -53.7% —
Oct 6SEC Michael SkynnerCTO Sell 824119,255 held (−1%) $8.40 $7K -53.7% —
Oct 6SEC Michael Charles Ferguson HannayChief Prod & Supply Chain Off Sell 47353,352 held (−1%) $8.40 $4K -53.7% —
Oct 6SEC Alethia YoungCFO Sell Plan 26544,704 held (−1%) $8.61 $2K -54.8% —
Oct 6SEC Michael Charles Ferguson HannayChief Prod & Supply Chain Off Sell 25053,102 held (−0%) $8.41 $2K -53.7% —
Oct 6SEC Travis Alvin ThompsonChief Accounting Officer Sell 22131,300 held (−1%) $8.40 $2K -53.7% —
Oct 6SEC Alethia YoungCFO Sell Plan 21744,969 held (−0%) $8.40 $2K -53.7% —
Oct 6SEC Robert Charles SwantonDirector Sell Plan 10215,487 held (−1%) $8.55 $872 -54.5% —
Oct 6SEC Travis Alvin ThompsonChief Accounting Officer Sell 10331,197 held (−0%) $8.41 $866 -53.7% —

Insiders at BICYCLE THERAPEUTICS PLC

InsiderBoughtSoldLast filingScore
Kevin LeeCEO — $285K Oct 6, 2026 —
Michael SkynnerChief Scientific Officer — $88K Oct 6, 2026 —
Michael Charles Ferguson HannayChief Prod & Supply Chain Off — $63K Oct 6, 2026 —
Alistair MilnesCOO — $62K Jan 6, 2026 —
Alethia YoungCFO — $55K Jan 6, 2026 —
Travis Alvin ThompsonCFO — $31K Oct 6, 2026 —
Jennifer Scott PerryCOO — $20K Oct 7, 2026 —
Robert Charles SwantonDirector — $13K Oct 6, 2026 —

BCYC stock: common questions

Are BICYCLE THERAPEUTICS PLC insiders buying BCYC stock?

In the past 12 months, 0 insiders reported open-market purchases of BCYC worth $0.

Are BICYCLE THERAPEUTICS PLC insiders selling BCYC stock?

8 insiders reported sales worth $523K over the same period.

Where does this data come from?

Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.

What is BCYC's 52-week range?

Over the past year BCYC has traded between $3.38 and $8.87. It last closed at $3.89 on Oct 9, 2026.