Ken Griffin Alector, Inc. Call Options Transaction History

Citadel Advisors LLC

13 transactions

Quarter	Operation	Price Per call	calls change	calls Held
Q3 2025 Nov 14, 2025	SELL	$1.42 - $3.18 $18,460 - $41,340	-13,000 Reduced 43.62%	16,800 $49,000
Q2 2025 Aug 14, 2025	SELL	$0.9 - $1.63 $23,940 - $43,358	-26,600 Reduced 47.16%	29,800 $41,000
Q1 2025 May 15, 2025	BUY	$1.23 - $2.06 $25,707 - $43,054	20,900 Added 58.87%	56,400 $69,000
Q4 2024 Feb 14, 2025	BUY	$1.72 - $6.06 $32,336 - $113,927	18,800 Added 112.57%	35,500 $67,000
Q3 2024 Nov 14, 2024	BUY	$4.34 - $6.58 $36,022 - $54,614	8,300 Added 98.81%	16,700 $77,000
Q2 2024 Aug 14, 2024	SELL	$4.19 - $6.23 $10,475 - $15,575	-2,500 Reduced 22.94%	8,400 $38,000
Q1 2024 May 15, 2024	SELL	$5.69 - $8.08 $113,800 - $161,600	-20,000 Reduced 64.72%	10,900 $65,000
Q4 2023 Feb 14, 2024	BUY	$3.77 - $8.39 $29,783 - $66,281	7,900 Added 34.35%	30,900 $246,000
Q3 2023 Nov 14, 2023	SELL	$5.2 - $8.77 $35,360 - $59,636	-6,800 Reduced 22.82%	23,000 $149,000
Q2 2023 Aug 14, 2023	SELL	$5.86 - $7.93 $30,472 - $41,236	-5,200 Reduced 14.86%	29,800 $179,000
Q1 2023 May 15, 2023	SELL	$5.85 - $9.84 $1.04 Million - $1.75 Million	-177,700 Reduced 83.54%	35,000 $216,000
Q4 2022 Feb 14, 2023	SELL	$6.88 - $9.55 $9,632 - $13,370	-1,400 Reduced 0.65%	212,700 $1.96 Million
Q3 2022 Nov 14, 2022	SELL	$8.19 - $13.2 $72,891 - $117,480	-8,900 Reduced 3.99%	214,100 $2.03 Million

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223K

Ticker ALEC
Exchange NASDAQ
Sector Healthcare
Industry Biotechnology
Shares Outstandng 82,563,904
Market Cap $102M
Description
Alector, Inc., a clinical stage biopharmaceutical company, develops therapies for the treatment of neurodegeneration diseases. Its products include AL001, a humanized recombinant monoclonal antibody, which is in Phase III clinical trial for the treatment of frontotemporal dementia, Alzheimer's, Parkinson's, and amyotrophic lateral sclerosis dise...

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