Tanaka Capital Management Inc Catalyst Pharmaceuticals, Inc. Transaction History

Tanaka Capital Management Inc

$55.5 Million
Q3 2025

A detailed history of Tanaka Capital Management Inc transactions in Catalyst Pharmaceuticals, Inc. stock. As of the latest transaction made, Tanaka Capital Management Inc holds 114,418 shares of CPRX stock, worth $2.65 Million. This represents 4.06% of its overall portfolio holdings.

Number of Shares

114,418

Previous 151,893 24.67%

Holding current value

$2.65 Million

Previous $3.68 Million 38.8%

% of portfolio

4.06%

Previous 8.77%

24 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 14, 2025	SELL	$19.13 - $22.22 $716,896 - $832,694	-37,475 Reduced 24.67%	114,418 $2.25 Million
Q1 2025 May 15, 2025	SELL	$19.53 - $25.74 $27,302 - $35,984	-1,398 Reduced 0.91%	151,893 $3.68 Million
Q3 2024 Nov 15, 2024	SELL	$15.19 - $21.35 $1,519 - $2,135	-100 Reduced 0.07%	153,291 $3.05 Million
Q1 2024 May 15, 2024	SELL	$13.18 - $17.11 $13,707 - $17,794	-1,040 Reduced 0.67%	153,391 $2.45 Million
Q4 2023 Feb 14, 2024	SELL	$11.78 - $17.29 $63,140 - $92,674	-5,360 Reduced 3.35%	154,431 $2.6 Million

Q2 2023 Aug 14, 2023	BUY	$11.5 - $18.08 $132,365 - $208,100	11,510 Added 7.76%	159,791 $2.15 Million
Q3 2022 Nov 14, 2022	SELL	$7.06 - $15.52 $345,728 - $760,014	-48,970 Reduced 24.83%	148,281 $1.9 Million
Q2 2022 Aug 15, 2022	SELL	$6.23 - $8.57 $68,143 - $93,738	-10,938 Reduced 5.25%	197,251 $1.38 Million
Q1 2022 May 16, 2022	SELL	$5.31 - $8.31 $28,780 - $45,040	-5,420 Reduced 2.54%	208,189 $1.73 Million
Q4 2021 Feb 14, 2022	BUY	$5.21 - $7.45 $54,861 - $78,448	10,530 Added 5.19%	213,609 $1.45 Million
Q3 2021 Nov 15, 2021	BUY	$4.85 - $6.04 $145,500 - $181,200	30,000 Added 17.33%	203,079 $1.08 Million
Q2 2021 Aug 13, 2021	SELL	$4.29 - $6.05 $221,771 - $312,754	-51,695 Reduced 23.0%	173,079 $995,000
Q1 2021 May 17, 2021	SELL	$3.45 - $4.69 $1,725 - $2,345	-500 Reduced 0.22%	224,774 $1.04 Million
Q4 2020 Feb 11, 2021	SELL	$2.97 - $3.83 $79,967 - $103,122	-26,925 Reduced 10.68%	225,274 $752,000
Q3 2020 Nov 13, 2020	SELL	$2.97 - $5.08 $92,946 - $158,978	-31,295 Reduced 11.04%	252,199 $749,000
Q2 2020 Aug 17, 2020	BUY	$3.48 - $5.05 $19,905 - $28,886	5,720 Added 2.06%	283,494 $1.31 Million
Q1 2020 May 15, 2020	SELL	$2.61 - $5.21 $12,136 - $24,226	-4,650 Reduced 1.65%	277,774 $1.07 Million
Q4 2019 Feb 14, 2020	SELL	$3.67 - $5.7 $3,339 - $5,187	-910 Reduced 0.32%	282,424 $1.06 Million
Q3 2019 Nov 15, 2019	BUY	$3.89 - $7.43 $224,647 - $429,082	57,750 Added 25.6%	283,334 $1.51 Million
Q2 2019 Aug 15, 2019	SELL	$2.7 - $6.11 $22,167 - $50,163	-8,210 Reduced 3.51%	225,584 $866,000
Q1 2019 May 16, 2019	SELL	$2.11 - $5.33 $35,635 - $90,018	-16,889 Reduced 6.74%	233,794 $1.19 Million
Q2 2018 Aug 16, 2018	SELL	$2.26 - $3.84 $13,356 - $22,694	-5,910 Reduced 2.3%	250,683 $782,000
Q4 2017 Feb 16, 2018	BUY	$2.51 - $4.4 $38,942 - $68,266	15,515 Added 6.44%	256,593 $1 Million
Q3 2017 Nov 16, 2017	BUY	$2.4 - $2.94 $578,587 - $708,769	241,078	241,078 $608,000

Others Institutions Holding CPRX

# of Institutions

394

Shares Held

106M

Call Options Held

164K

Put Options Held

439K

View Full List

About CATALYST PHARMACEUTICALS, INC.

Ticker CPRX
Exchange NASDAQ
Sector Healthcare
Industry Biotechnology
Shares Outstandng 102,820,000
Market Cap $2.38B
Description
Catalyst Pharmaceuticals, Inc., a commercial-stage biopharmaceutical company, focuses on developing and commercializing therapies for people with rare debilitating, chronic neuromuscular, and neurological diseases in the United States. It offers Firdapse, an amifampridine phosphate tablets for the treatment of patients with lambert-eaton myasthe...

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Tanaka Capital Management Inc Catalyst Pharmaceuticals, Inc. Transaction History