Monte Rosa Therapeutics, Inc. (GLUE) has 20 known insider and institutional holders on record. The largest holder is Bolzon Bradley J PhD with 3,000,000 shares. Other notable holders include Versant Venture Capital VI, L.P. and Warmuth Markus.
Over the last 12 months, insiders have made 25 transactions in GLUE stock — 12 buys (valued at $7.27M) and 11 sells (valued at $649.37K). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
GLUE Insider Ownership
Top Holder
Bolzon Bradley J PhD
3,000,000 shares
Buys (12 mo)
12
$7.27M value
Sells (12 mo)
11
$649.37K value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Bolzon Bradley J Phd |
10 Percent Owner |
3,000,000 |
2021-06-25 |
|
| 2 |
Versant Venture Capital Vi, L.p. |
10 Percent Owner |
1,573,453 |
2024-10-30 |
|
| 3 |
Warmuth Markus |
President & CEO |
613,471 |
2026-03-04 |
|
| 4 |
Tamboli Ajim |
Chief Financial Officer |
129,850 |
2023-01-04 |
|
| 5 |
Wallace Owen B. |
Chief Scientific Officer |
119,000 |
2024-01-04 |
|
| 6 |
Jones Jullian G |
Chief Business Officer |
79,000 |
2024-01-04 |
|
| 7 |
Castle John C. |
Chief Data Scientist |
78,500 |
2023-01-04 |
|
| 8 |
Townson Sharon |
Chief Scientific Officer |
71,000 |
2026-01-05 |
|
| 9 |
Janku Filip |
Chief Medical Officer |
65,837 |
2026-02-24 |
|
| 10 |
Champoux Jennifer |
Chief Operating Officer |
65,000 |
2026-01-05 |
|
| 11 |
Nickson Philip |
Chief Business & Legal Officer |
64,000 |
2026-01-05 |
|
| 12 |
Schiff Andrew N |
Director |
30,700 |
2025-06-16 |
|
| 13 |
Manning Anthony M. |
Director |
30,700 |
2025-06-16 |
|
| 14 |
Skvarka Jan |
Director |
30,700 |
2025-06-16 |
|
| 15 |
Blackwell Kimberly |
Director |
30,700 |
2025-06-16 |
|
| 16 |
Hughes Eric A |
Director |
30,700 |
2025-06-16 |
|
| 17 |
Siu Christine |
Director |
30,700 |
2025-06-16 |
|
| 18 |
Behbahani Ali |
10 Percent Owner |
30,700 |
2025-06-16 |
|
| 19 |
Dunn Edmund |
Principal Accounting Officer |
22,554 |
2026-03-05 |
|
| 20 |
Mayweg Alexander |
Director |
20,500 |
2023-06-15 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-03-04 |
Dunn Edmund |
Principal Accounting Officer |
Informative Sell |
139 |
$17.96 |
$2.5K |
| 2026-03-02 |
Warmuth Markus |
President & CEO |
Informative Sell |
5,466 |
$17.92 |
$97.97K |
| 2026-03-02 |
Dunn Edmund |
Principal Accounting Officer |
Option Exercise (Sell) |
536 |
$13.41 |
$7.19K |
| 2026-02-27 |
Dunn Edmund |
Principal Accounting Officer |
Option Exercise (Sell) |
25,164 |
$13.41 |
$337.45K |
| 2026-02-23 |
Janku Filip |
Chief Medical Officer |
Informative Sell |
9,189 |
$19.50 |
$179.16K |
| 2026-01-07 |
Warmuth Markus |
President & CEO |
Informative Sell |
309 |
$24.57 |
$7.59K |
| 2026-01-05 |
Champoux Jennifer |
Chief Operating Officer |
Informative Sell |
2,629 |
$15.17 |
$39.88K |
| 2026-01-02 |
Champoux Jennifer |
Chief Operating Officer |
RSU Award |
35,000 |
- |
- |
| 2026-01-05 |
Dunn Edmund |
Principal Accounting Officer |
Informative Sell |
1,039 |
$15.17 |
$15.76K |
| 2026-01-05 |
Nickson Philip |
Chief Business & Legal Officer |
Informative Sell |
3,155 |
$15.17 |
$47.86K |
| 2026-01-02 |
Nickson Philip |
Chief Business & Legal Officer |
RSU Award |
28,000 |
- |
- |
| 2026-01-05 |
Janku Filip |
Chief Medical Officer |
Informative Sell |
3,155 |
$15.17 |
$47.86K |
| 2026-01-02 |
Janku Filip |
Chief Medical Officer |
RSU Award |
31,000 |
- |
- |
| 2026-01-05 |
Townson Sharon |
Chief Scientific Officer |
Informative Sell |
3,155 |
$15.17 |
$47.86K |
| 2026-01-02 |
Townson Sharon |
Chief Scientific Officer |
RSU Award |
35,000 |
- |
- |
| 2026-01-05 |
Warmuth Markus |
President & CEO |
Informative Sell |
10,135 |
$15.17 |
$153.75K |
| 2026-01-02 |
Warmuth Markus |
President & CEO |
RSU Award |
406,000 |
$15.31 |
$6.22M |
| 2025-06-13 |
Hughes Eric A |
Director |
RSU Award |
30,700 |
$4.91 |
$150.74K |
| 2025-06-13 |
Skvarka Jan |
Director |
RSU Award |
30,700 |
$4.91 |
$150.74K |
| 2025-06-13 |
Blackwell Kimberly |
Director |
RSU Award |
30,700 |
$4.91 |
$150.74K |
| 2025-06-13 |
Siu Christine |
Director |
RSU Award |
30,700 |
$4.91 |
$150.74K |
| 2025-06-13 |
Manning Anthony M. |
Director |
RSU Award |
30,700 |
$4.91 |
$150.74K |
| 2025-06-13 |
Behbahani Ali |
10 Percent Owner |
RSU Award |
30,700 |
$4.91 |
$150.74K |
| 2025-06-13 |
Schiff Andrew N |
Director |
RSU Award |
30,700 |
$4.91 |
$150.74K |
| 2025-06-03 |
Dunn Edmund |
Principal Accounting Officer |
Informative Sell |
2,062 |
$4.45 |
$9.17K |
