Put Options Transactions Made in Q4 2021 in Alector, Inc. (ALEC)
This table provides information about the institutional ownership of Alector, Inc. (ALEC) during Q4 2021. The information is specifically focused on institutions that hold put options of Alector, Inc..
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Jan 18, 2022
Q4 2021
|
Cutler Group LP
|
SELL
|
PUT |
-2.8K- 53.85% |
$54.2K - $71.5K
|
2.4K
$4.61K
|
|
|
Feb 15, 2022
Q4 2021
|
Jane Street Group, LLC
New York, NY |
SELL
|
PUT |
-46.6K- 61.24% |
$902K - $1.19M
|
29.5K
$56.6K
|