BCYC insider buying and SEC filings, explained
Bicycle Therapeutics plc · CIK 1761612
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Insider activity in the last 12 months
Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$453K
Planned sales (10b5-1)
$69K
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Oct 2–5, 2026 | Planned (10b5-1) Amended filing | Jennifer Scott Perry (President / COO) sold 1,450 shares between Oct 2 and Oct 5 at about $3.54 ($5K), marked as a 10b5-1 plan trade. Holdings down 2% to 89,602 shares. This amends a filing from Oct 6. | SEC filing Filed Oct 7, 2026, 6:24 PM ET |
| Oct 2, 2026 | Sale | Robert Charles Swanton (Director) sold 3,431 shares at about $3.47 ($12K). Holdings down 18% to 15,782 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Oct 6, 2026, 4:45 PM ET |
| Oct 2–5, 2026 | Sale | Michael Skynner (Chief Scientific Officer) sold 2,445 shares between Oct 2 and Oct 5 at about $3.49 ($9K). Holdings down 2% to 154,726 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Oct 6, 2026, 4:45 PM ET |
| Oct 2–5, 2026 | Sale | Michael Charles Ferguson Hannay (Chief Prod & Supply Chain Off) sold 1,814 shares between Oct 2 and Oct 5 at about $3.48 ($6K). Holdings down 2% to 92,561 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Oct 6, 2026, 4:45 PM ET |
| Oct 2–5, 2026 | Sale | Kevin Lee (CEO and Director) sold 7,805 shares between Oct 2 and Oct 5 at about $3.49 ($27K). Holdings down 1% to 595,866 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Oct 6, 2026, 4:45 PM ET |
| Oct 2–5, 2026 | Sale | Travis Alvin Thompson (CFO) sold 972 shares between Oct 2 and Oct 5 at about $3.48 ($3K). Holdings down 1% to 64,449 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Oct 6, 2026, 4:34 PM ET |
| Jul 2–6, 2026 | Planned (10b5-1) | Jennifer Scott Perry (President / COO) sold 1,412 shares between Jul 2 and Jul 6 at about $4.29 ($6K), marked as a 10b5-1 plan trade. Holdings down 2% to 91,052 shares. | SEC filing Filed Jul 7, 2026 |
| Jul 2–6, 2026 | Sale | Michael Charles Ferguson Hannay (Chief Prod & Supply Chain Off) sold 1,761 shares between Jul 2 and Jul 6 at about $4.28 ($8K). Holdings down 2% to 94,375 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jul 7, 2026 |
| Jul 2–6, 2026 | Sale | Travis Alvin Thompson (CFO) sold 923 shares between Jul 2 and Jul 6 at about $4.27 ($4K). Holdings down 1% to 64,441 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jul 7, 2026 |
| Jul 2–6, 2026 | Sale | Kevin Lee (CEO and Director) sold 7,642 shares between Jul 2 and Jul 6 at about $4.28 ($33K). Holdings down 1% to 603,671 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jul 7, 2026 |
| Jul 2–6, 2026 | Sale | Michael Skynner (Chief Scientific Officer) sold 2,391 shares between Jul 2 and Jul 6 at about $4.28 ($10K). Holdings down 1% to 157,171 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jul 7, 2026 |
| Apr 2–6, 2026 | Planned (10b5-1) | Jennifer Scott Perry (President / COO) sold 1,408 shares between Apr 2 and Apr 6 at about $4.94 ($7K), marked as a 10b5-1 plan trade. Holdings down 1% to 92,464 shares. | SEC filing Filed Apr 6, 2026 |
| Apr 2–6, 2026 | Sale | Michael Charles Ferguson Hannay (Chief Prod & Supply Chain Off) sold 1,772 shares between Apr 2 and Apr 6 at about $4.93 ($9K). Holdings down 2% to 96,136 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Apr 6, 2026 |
| Apr 2–6, 2026 | Sale | Travis Alvin Thompson (CFO) sold 901 shares between Apr 2 and Apr 6 at about $4.93 ($4K). Holdings down 1% to 65,364 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Apr 6, 2026 |
| Apr 2–6, 2026 | Sale | Kevin Lee (CEO and Director) sold 7,683 shares between Apr 2 and Apr 6 at about $4.94 ($38K). Holdings down 1% to 611,313 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Apr 6, 2026 |
| Apr 2–6, 2026 | Sale | Michael Skynner (Chief Scientific Officer) sold 2,404 shares between Apr 2 and Apr 6 at about $4.94 ($12K). Holdings down 1% to 159,562 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Apr 6, 2026 |
| Jan 2–5, 2026 | Sale | Michael Charles Ferguson Hannay (Chief Prod & Supply Chain Off) sold 5,194 shares between Jan 2 and Jan 5 at about $6.64 ($34K). Holdings down 5% to 97,908 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jan 6, 2026 |
| Jan 2–5, 2026 | Sale | Travis Alvin Thompson (Chief Accounting Officer) sold 2,432 shares between Jan 2 and Jan 5 at about $6.64 ($16K). Holdings down 4% to 66,265 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jan 6, 2026 |
| Jan 2–5, 2026 | Planned (10b5-1) | Alethia Young (CFO) sold 7,623 shares between Jan 2 and Jan 5 at about $6.62 ($50K), marked as a 10b5-1 plan trade. Holdings down 8% to 87,081 shares. | SEC filing Filed Jan 6, 2026 |
| Jan 2–5, 2026 | Sale | Alistair Milnes (President / COO) sold 6,660 shares between Jan 2 and Jan 5 at about $6.63 ($44K). Holdings down 5% to 136,717 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jan 6, 2026 |
| Jan 2–5, 2026 | Sale | Kevin Lee (CEO and Director) sold 21,314 shares between Jan 2 and Jan 5 at about $6.62 ($141K). Holdings down 3% to 618,996 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jan 6, 2026 |
| Jan 2–5, 2026 | Sale | Michael Skynner (Chief Technology Officer) sold 6,311 shares between Jan 2 and Jan 5 at about $6.62 ($42K). Holdings down 4% to 161,966 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jan 6, 2026 |
20 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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