6-Month Buy/Sell Trend
Buys
Sells
▶
2026-01-23
▼ 2 sells
· $1.3M
2 other
| Insider | Title | Type | Shares | Price | $ Value | 10b5-1 | Filed |
|---|---|---|---|---|---|---|---|
| Kooij Louise Frederika | Chief Accounting Officer | M | 38,172 | $11 | $416K | Jan 27 | |
| Kooij Louise Frederika | Chief Accounting Officer | ▼ Sell | 25,405 | $33 | $850K | Jan 27 | |
| Kooij Louise Frederika | Chief Accounting Officer | ▼ Sell | 12,767 | $34 | $439K | Jan 27 | |
| Kooij Louise Frederika | Chief Accounting Officer | M | 38,172 | $0 | $0 | Jan 27 |
▶
2026-01-26
▼ 2 sells
· $1.1M
2 other
| Insider | Title | Type | Shares | Price | $ Value | 10b5-1 | Filed |
|---|---|---|---|---|---|---|---|
| Kooij Louise Frederika | Chief Accounting Officer | M | 34,400 | $11 | $375K | Jan 27 | |
| Kooij Louise Frederika | Chief Accounting Officer | ▼ Sell | 34,091 | $33 | $1.1M | Jan 27 | |
| Kooij Louise Frederika | Chief Accounting Officer | ▼ Sell | 309 | $33 | $10K | Jan 27 | |
| Kooij Louise Frederika | Chief Accounting Officer | M | 34,400 | $0 | $0 | Jan 27 |
▶
2026-01-20
▼ 3 sells
· $1.9M
2 other
| Insider | Title | Type | Shares | Price | $ Value | 10b5-1 | Filed |
|---|---|---|---|---|---|---|---|
| Somaiya Mayur Ian | Chief Financial Officer | M | 60,216 | $9 | $558K | Plan | Jan 22 |
| Somaiya Mayur Ian | Chief Financial Officer | ▼ Sell | 900 | $31 | $28K | Plan | Jan 22 |
| Somaiya Mayur Ian | Chief Financial Officer | ▼ Sell | 39,712 | $32 | $1.3M | Plan | Jan 22 |
| Somaiya Mayur Ian | Chief Financial Officer | ▼ Sell | 19,604 | $32 | $635K | Plan | Jan 22 |
| Somaiya Mayur Ian | Chief Financial Officer | M | 60,216 | $0 | $0 | Plan | Jan 22 |
▶
2026-01-21
▼ 2 sells
· $1.3M
2 other
| Insider | Title | Type | Shares | Price | $ Value | 10b5-1 | Filed |
|---|---|---|---|---|---|---|---|
| Somaiya Mayur Ian | Chief Financial Officer | M | 39,784 | $9 | $368K | Plan | Jan 22 |
| Somaiya Mayur Ian | Chief Financial Officer | ▼ Sell | 15,422 | $33 | $513K | Plan | Jan 22 |
| Somaiya Mayur Ian | Chief Financial Officer | ▼ Sell | 24,362 | $34 | $823K | Plan | Jan 22 |
| Somaiya Mayur Ian | Chief Financial Officer | M | 39,784 | $0 | $0 | Plan | Jan 22 |
▶
2026-01-07
▼ 1 sell
20 other
⚡ 10 insiders
| Insider | Title | Type | Shares | Price | $ Value | 10b5-1 | Filed |
|---|---|---|---|---|---|---|---|
| Davidson Michael H. | Chief Executive Officer | ▼ Sell | 11,582 | — | — | Jan 9 | |
| Davidson Michael H. | Chief Executive Officer | A | 81,000 | — | — | Jan 9 | |
| Davidson Michael H. | Chief Executive Officer | A | 364,000 | $0 | $0 | Jan 9 | |
| Gulfo Adele M. | — | A | 3,400 | — | — | Jan 9 | |
| Gulfo Adele M. | — | A | 15,300 | $0 | $0 | Jan 9 | |
| LANGE LOUIS G | — | A | 3,400 | — | — | Jan 9 | |
| LANGE LOUIS G | — | A | 15,300 | $0 | $0 | Jan 9 | |
| Lewis William | — | A | 3,400 | — | — | Jan 9 | |
| Lewis William | — | A | 15,300 | $0 | $0 | Jan 9 | |
| McKenna Mark C. | — | A | 3,400 | — | — | Jan 9 | |
| McKenna Mark C. | — | A | 15,300 | $0 | $0 | Jan 9 | |
| Smither John W | — | A | 3,400 | — | — | Jan 9 | |
| Smither John W | — | A | 15,300 | $0 | $0 | Jan 9 | |
| van der Kamp Hilde Johanna | — | A | 3,400 | — | — | Jan 9 | |
| van der Kamp Hilde Johanna | — | A | 15,300 | $0 | $0 | Jan 9 | |
| Kastelein Johannes Jacob Pieter | Chief Scientific Officer | A | 25,500 | — | — | Jan 7 | |
| Kastelein Johannes Jacob Pieter | Chief Scientific Officer | A | 115,000 | $0 | $0 | Jan 7 | |
| Kooij Louise Frederika | Chief Accounting Officer | A | 12,000 | — | — | Jan 7 | |
| Kooij Louise Frederika | Chief Accounting Officer | A | 53,500 | $0 | $0 | Jan 7 | |
| Somaiya Mayur Ian | Chief Financial Officer | A | 25,500 | — | — | Jan 7 | |
| Somaiya Mayur Ian | Chief Financial Officer | A | 115,000 | $0 | $0 | Jan 7 |
▶
2026-01-05
▼ 3 sells
· $458K
⚡ 3 insiders
▶
2025-12-23
▼ 1 sell
· $2.7M
2 other
▶
2025-12-24
▼ 1 sell
· $928K
2 other
▶
2025-12-26
▼ 1 sell
· $1.5M
4 other
| Insider | Title | Type | Shares | Price | $ Value | 10b5-1 | Filed |
|---|---|---|---|---|---|---|---|
| Kooij Louise Frederika | Chief Accounting Officer | M | 38,872 | $10 | $389K | Dec 29 | |
| Kooij Louise Frederika | Chief Accounting Officer | M | 5,000 | $11 | $54K | Dec 29 | |
| Kooij Louise Frederika | Chief Accounting Officer | ▼ Sell | 43,872 | $35 | $1.5M | Dec 29 | |
| Kooij Louise Frederika | Chief Accounting Officer | M | 38,872 | $0 | $0 | Dec 29 | |
| Kooij Louise Frederika | Chief Accounting Officer | M | 5,000 | $0 | $0 | Dec 29 |
▶
2025-09-15
▲ 1 buy
· $16K
| Insider | Title | Type | Shares | Price | $ Value | 10b5-1 | Filed |
|---|---|---|---|---|---|---|---|
| Topper James N | — | ▲ Buy | 660 | $24 | $16K | Sep 17 |
▶
2025-09-09
▼ 2 sells
· $3.9M
2 other
| Insider | Title | Type | Shares | Price | $ Value | 10b5-1 | Filed |
|---|---|---|---|---|---|---|---|
| Kooij Louise Frederika | Chief Accounting Officer | M | 150,000 | $10 | $1.5M | Sep 10 | |
| Kooij Louise Frederika | Chief Accounting Officer | ▼ Sell | 53,104 | $25 | $1.3M | Sep 10 | |
| Kooij Louise Frederika | Chief Accounting Officer | ▼ Sell | 96,896 | $26 | $2.5M | Sep 10 | |
| Kooij Louise Frederika | Chief Accounting Officer | M | 150,000 | $0 | $0 | Sep 10 |
▶
2025-09-08
▲ 1 buy
· $31K
| Insider | Title | Type | Shares | Price | $ Value | 10b5-1 | Filed |
|---|---|---|---|---|---|---|---|
| Topper James N | — | ▲ Buy | 1,260 | $25 | $31K | Sep 10 |
▶
2025-09-03
▼ 1 sell
· $453K
| Insider | Title | Type | Shares | Price | $ Value | 10b5-1 | Filed |
|---|---|---|---|---|---|---|---|
| Kooij Louise Frederika | Chief Accounting Officer | ▼ Sell | 18,073 | $25 | $453K | Sep 5 |
▶
2025-09-02
2 other
▶
2025-08-25
▼ 1 sell
· $206K
| Insider | Title | Type | Shares | Price | $ Value | 10b5-1 | Filed |
|---|---|---|---|---|---|---|---|
| Kooij Louise Frederika | Chief Accounting Officer | ▼ Sell | 8,269 | $25 | $206K | Aug 27 |
▶
2025-08-21
▼ 1 sell
· $1.2M
| Insider | Title | Type | Shares | Price | $ Value | 10b5-1 | Filed |
|---|---|---|---|---|---|---|---|
| Kastelein Johannes Jacob Pieter | Chief Scientific Officer | ▼ Sell | 50,000 | $24 | $1.2M | Aug 25 |
▶
2025-08-22
▼ 2 sells
· $1.3M
▶
2025-08-11
▲ 1 buy
· $11K
| Insider | Title | Type | Shares | Price | $ Value | 10b5-1 | Filed |
|---|---|---|---|---|---|---|---|
| Topper James N | — | ▲ Buy | 471 | $24 | $11K | Aug 13 |
▶
2025-07-15
▼ 2 sells
· $1.0M
2 other
| Insider | Title | Type | Shares | Price | $ Value | 10b5-1 | Filed |
|---|---|---|---|---|---|---|---|
| Kling Douglas F | Chief Operating Officer | M | 47,569 | $11 | $519K | Plan | Jul 17 |
| Kling Douglas F | Chief Operating Officer | ▼ Sell | 44,025 | $21 | $941K | Plan | Jul 17 |
| Kling Douglas F | Chief Operating Officer | ▼ Sell | 3,544 | $22 | $78K | Plan | Jul 17 |
| Kling Douglas F | Chief Operating Officer | M | 47,569 | $0 | $0 | Plan | Jul 17 |
▶
2025-07-16
▼ 1 sell
· $1.1M
2 other
▶
2025-06-24
▲ 1 buy
· $46K
| Insider | Title | Type | Shares | Price | $ Value | 10b5-1 | Filed |
|---|---|---|---|---|---|---|---|
| Topper James N | — | ▲ Buy | 2,520 | $18 | $46K | Jun 26 |
▶
2025-06-25
▲ 1 buy
· $23K
| Insider | Title | Type | Shares | Price | $ Value | 10b5-1 | Filed |
|---|---|---|---|---|---|---|---|
| Topper James N | — | ▲ Buy | 1,260 | $18 | $23K | Jun 26 |
▶
2025-06-16
▲ 1 buy
· $167K
▼ 2 sells
· $1.9M
4 other
⚡ 2 insiders
| Insider | Title | Type | Shares | Price | $ Value | 10b5-1 | Filed |
|---|---|---|---|---|---|---|---|
| Kling Douglas F | Chief Operating Officer | M | 78,101 | $10 | $781K | Plan | Jun 18 |
| Kling Douglas F | Chief Operating Officer | M | 21,899 | $11 | $239K | Plan | Jun 18 |
| Kling Douglas F | Chief Operating Officer | ▼ Sell | 81,891 | $19 | $1.6M | Plan | Jun 18 |
| Kling Douglas F | Chief Operating Officer | ▼ Sell | 18,109 | $20 | $358K | Plan | Jun 18 |
| Kling Douglas F | Chief Operating Officer | M | 78,101 | $0 | $0 | Plan | Jun 18 |
| Kling Douglas F | Chief Operating Officer | M | 21,899 | $0 | $0 | Plan | Jun 18 |
| Topper James N | — | ▲ Buy | 8,584 | $19 | $167K | Jun 18 |