NASDAQ
Total Transactions
25
0 buys /25 sells
Shares Acquired
0
Transactions: 0•Avg: 0
Shares Disposed
935,511
Transactions: 25•Avg: 37,420.44
Net Activity
-935,511
Net Selling•Ratio: 0%
Q4 2025(Current) | 0 | 935,511 | -935,511 | 0.00% |
Q3 2025 | 0 | 1,019,198 | -1,019,198 | 0.00% |
Q2 2025 | 73,263 | 1,066,540 | -993,277 | 8.33% |
Q1 2025 | 459,294 | 38,852 | +420,442 | 66.67% |
Q4 2024 | 20,000 | 164,880 | -144,880 | 8.00% |
This table shows insider trading activity by quarter. A ratio > 100% indicates insiders acquired more shares than they disposed of during the period, which is generally considered a bullish signal.
• Most recent data for Q4 2025
Acquired vs Disposed Shares
Net Distribution: 935,511 shares•Acquired/Disposed Ratio: 0%
Net Activity | |||||
|---|---|---|---|---|---|
CPMFL Casdin Partners Master Fund, L.P. | 10 percent owner | 6 | 27,994 | 2,750,000 | -2,722,006 |
MAJ Mathew Aby J. | Officer: evp & chief scientific officer | 12 | 104,833 | 15,048 | +89,785 |
FKA Foster Karen A. | Officer: chief quality and operations | 11 | 48,810 | 10,884 | +37,926 |
WT Wichterman Troy | Officer: chief financial officer | 12 | 98,120 | 62,160 | +35,960 |
DGR DE GREEF RODERICK | Director, officer: president and ceo | 5 | 112,835 | 137,795 | -24,960 |
This table shows the trading activity of the most active company insiders. Positive net activity (buying more than selling) is often considered a bullish signal.
2025-12-04 | Officer: chief financial officer | Sale | 30,000 | $25.72 | $771,600 | 152,769 | |
2025-11-25 | Director | Sale | 2,000 | $27 | $54,000 | 22,687 | |
2025-11-26 | Director | Sale | 2,000 | $27 | $54,000 | 20,687 | |
2025-11-25 | Officer: chief marketing officer | Sale | 351 | $26.74 | $9,385.74 | 133,266 | |
2025-11-25 | Officer: chief financial officer | Sale | 584 | $26.74 | $15,616.16 | 182,769 |
This table displays recent Form 4 filings showing transactions by company insiders. SEC rules require insiders to report their transactions within two business days.
WT Wichterman Troy | Officer: chief financial officer | Dec 5, 2025 | |
DA DuRoss Amy | Director | Nov 28, 2025 | |
DA DuRoss Amy | Director | Nov 28, 2025 | |
BT Berard Todd | Officer: chief marketing officer | Nov 28, 2025 | |
WT Wichterman Troy | Officer: chief financial officer | Nov 28, 2025 |
Net change in shares shown on right
No price data available for this timeframe.