Catalyst Biosciences, Inc. Ownership
$6.25
0.00%
Nasdaq, Thu, Oct 15 2026.
Catalyst Biosciences, Inc. Top Shareholders
| # | Holder | Shares | % of Shares Out | Change | Filing Date |
|---|---|---|---|---|---|
| 1 |
Puccetti (Peter H)
|
261.450k | 24.67% | — | May 18 2026 |
| 2 |
Kosciessa (Ulrich)
|
30.800k | 2.91% | — | May 18 2026 |
| 3 |
La Française AM
|
17.000 | 0.00% | +17.000 | Dec 31 2024 |
| 4 |
MAI Capital Management, LLC
|
0.000 | 0.00% | -6.683k | Sep 30 2025 |
| 5 |
Tower Research Capital LLC
|
0.000 | 0.00% | -633.000 | Mar 31 2025 |
|
1
Puccetti (Peter H)
|
24.67%
261.450k
|
|
2
Kosciessa (Ulrich)
|
2.91%
30.800k
|
|
3
La Française AM
|
0.00%
17.000
|
|
4
MAI Capital Management, LLC
|
0.00%
0.000
|
|
5
Tower Research Capital LLC
|
0.00%
0.000
|
| The largest shareholders show who really holds influence: big institutional owners shape a stock's liquidity, and building or cutting positions can move the price. | |
| The 5 largest shareholders together hold 27.57% of Catalyst Biosciences, Inc., with Puccetti (Peter H) the biggest at 24.67%, followed by Kosciessa (Ulrich) (2.91%) and La Française AM (0.00%). |
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