Bicycle Therapeutics plc (BCYC) has 20 known insider and institutional holders on record. The largest holder is GLAXOSMITHKLINE PLC with 1,913,678 shares. Other notable holders include Cambridge Innovation Capital (Jersey) Ltd and Lee Kevin.
Over the last 12 months, insiders have made 62 transactions in BCYC stock — 17 buys (valued at $5.89M) and 41 sells (valued at $418.21K). Insider selling has exceeded buying during this period.
BCYC Insider Ownership
Top Holder
GLAXOSMITHKLINE PLC
1,913,678 shares
Buys (12 mo)
17
$5.89M value
Sells (12 mo)
41
$418.21K value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Glaxosmithkline Plc |
10 Percent Owner |
1,913,678 |
2020-09-18 |
|
| 2 |
Cambridge Innovation Capital (jersey) Ltd |
10 Percent Owner |
1,751,437 |
2019-05-31 |
|
| 3 |
Lee Kevin |
Chief Executive Officer |
613,029 |
2026-04-06 |
|
| 4 |
Ng Carolyn |
Director |
571,429 |
2019-05-30 |
|
| 5 |
Skynner Michael |
Chief Scientific Officer |
160,087 |
2026-04-06 |
|
| 6 |
Milnes Alistair |
Chief Operating Officer |
100,000 |
2026-01-06 |
|
| 7 |
Hannay Michael Charles Ferguson |
Chief Prod & Supply Chain Off |
96,387 |
2026-04-06 |
|
| 8 |
Perry Jennifer Scott |
Chief Operating Officer |
92,834 |
2026-04-06 |
|
| 9 |
Young Alethia |
Chief Financial Officer |
91,415 |
2026-01-06 |
|
| 10 |
Arroyo Santiago |
Chief Development Officer |
69,057 |
2025-01-06 |
|
| 11 |
Thompson Travis Alvin |
Chief Financial Officer |
65,466 |
2026-04-06 |
|
| 12 |
Keen Nicholas |
Chief Scientific Officer |
62,024 |
2024-07-08 |
|
| 13 |
Westin Eric |
Chief Medical Officer |
58,000 |
2025-03-27 |
|
| 14 |
Leone Peter Brian |
Chief Business Officer |
43,269 |
2019-05-30 |
|
| 15 |
Bingham Kate |
Director |
39,625 |
2021-07-20 |
|
| 16 |
Baker Bros. Advisors Lp |
10 Percent Owner |
38,000 |
2026-01-06 |
|
| 17 |
Smethurst Dominic |
Chief Medical Officer |
35,000 |
2023-01-05 |
|
| 18 |
Kalowski Lee |
President and CFO |
30,309 |
2023-04-05 |
|
| 19 |
Legault Pierre |
Director |
25,000 |
2025-01-06 |
|
| 20 |
Crockett Nigel |
Chief Business Officer |
21,750 |
2025-01-06 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-04-06 |
Perry Jennifer Scott |
Chief Operating Officer |
Informative Sell |
333 |
$5.04 |
$1.68K |
| 2026-04-02 |
Perry Jennifer Scott |
Chief Operating Officer |
Informative Sell |
1,038 |
$4.91 |
$5.1K |
| 2026-04-06 |
Hannay Michael Charles Ferguson |
Chief Prod & Supply Chain Off |
Informative Sell |
251 |
$5.05 |
$1.27K |
| 2026-04-02 |
Hannay Michael Charles Ferguson |
Chief Prod & Supply Chain Off |
Informative Sell |
1,521 |
$4.91 |
$7.47K |
| 2026-04-06 |
Thompson Travis Alvin |
Chief Financial Officer |
Informative Sell |
102 |
$5.05 |
$515.10 |
| 2026-04-02 |
Thompson Travis Alvin |
Chief Financial Officer |
Informative Sell |
799 |
$4.91 |
$3.92K |
| 2026-04-06 |
Lee Kevin |
Chief Executive Officer |
Informative Sell |
1,716 |
$5.05 |
$8.67K |
| 2026-04-02 |
Lee Kevin |
Chief Executive Officer |
Informative Sell |
5,967 |
$4.91 |
$29.3K |
| 2026-04-06 |
Skynner Michael |
Chief Scientific Officer |
Informative Sell |
525 |
$5.05 |
$2.65K |
| 2026-04-02 |
Skynner Michael |
Chief Scientific Officer |
Informative Sell |
1,879 |
$4.91 |
$9.23K |
| 2026-03-17 |
Perry Jennifer Scott |
Chief Operating Officer |
Unknown |
100,000 |
$7.08 |
$708K |
| 2026-02-03 |
Thompson Travis Alvin |
Chief Financial Officer |
RSU Award |
58,000 |
$6.49 |
$376.42K |
| 2026-01-02 |
Swanton Robert Charles |
Director |
RSU Award |
7,453 |
$7.08 |
$52.77K |
| 2026-01-05 |
Hannay Michael Charles Ferguson |
Chief Prod & Supply Chain Off |
Informative Sell |
2,367 |
$6.45 |
$15.27K |
| 2026-01-02 |
Hannay Michael Charles Ferguson |
Chief Prod & Supply Chain Off |
RSU Award |
100,000 |
$7.08 |
$708K |
| 2026-01-05 |
Thompson Travis Alvin |
Chief Accounting Officer |
Informative Sell |
1,115 |
$6.45 |
$7.19K |
| 2026-01-02 |
Thompson Travis Alvin |
Chief Accounting Officer |
Informative Sell |
1,317 |
$6.80 |
$8.96K |
| 2026-01-05 |
Young Alethia |
Chief Financial Officer |
Informative Sell |
1,878 |
$6.54 |
$12.28K |
| 2026-01-02 |
Young Alethia |
Chief Financial Officer |
Informative Sell |
3,289 |
$6.80 |
$22.37K |
| 2026-01-02 |
Sands Stephen H. |
Director |
RSU Award |
19,000 |
$7.08 |
$134.52K |
| 2026-01-05 |
Milnes Alistair |
Chief Operating Officer |
Informative Sell |
3,416 |
$6.46 |
$22.07K |
| 2026-01-02 |
Milnes Alistair |
Chief Operating Officer |
RSU Award |
100,000 |
$7.08 |
$708K |
| 2026-01-02 |
Riva Alessandro |
Director |
RSU Award |
14,761 |
$7.08 |
$104.51K |
| 2026-01-02 |
Bourque Janice |
Director |
RSU Award |
19,000 |
$7.08 |
$134.52K |
| 2026-01-02 |
Winter Gregory Paul |
Director |
RSU Award |
19,000 |
$7.08 |
$134.52K |
