Ken Griffin Caribou Biosciences, Inc. Put Options Transaction History

Citadel Advisors LLC

6 transactions

Quarter	Operation	Price Per put	puts change	puts Held
Q1 2024 May 15, 2024	BUY	$4.82 - $8.26 $96,400 - $165,200	20,000 Added 833.33%	22,400 $115,000
Q4 2023 Feb 14, 2024	SELL	$3.58 - $6.25 $24,702 - $43,125	-6,900 Reduced 74.19%	2,400 $13,000
Q3 2023 Nov 14, 2023	SELL	$4.08 - $8.14 $46,512 - $92,796	-11,400 Reduced 55.07%	9,300 $44,000
Q2 2023 Aug 14, 2023	BUY	$4.04 - $5.47 $6,464 - $8,752	1,600 Added 8.38%	20,700 $87,000
Q1 2023 May 15, 2023	BUY	$4.3 - $7.78 $52,890 - $95,694	12,300 Added 180.88%	19,100 $101,000

Q4 2022 Feb 14, 2023	BUY	$5.57 - $11.01 $37,876 - $74,868	6,800 New	6,800 $42,000

158

67.4M

111K

105K

Ticker CRBU
Exchange NASDAQ
Sector Healthcare
Industry Biotechnology
Shares Outstandng 60,840,800
Market Cap $99.8M
Description
Caribou Biosciences, Inc., a clinical-stage biopharmaceutical company, engages in the development of genome-edited allogeneic cell therapies for the treatment of hematologic malignancies and solid tumors in the United States and internationally. Its lead product candidates are CB-010, an allogeneic anti-CD19 CAR-T cell therapy that is in phase 1...

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