CLSD Insider Trading

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Insider Trading History
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About

Insider Ownership Percentage: 6.70%

Insider Buying (Last 12 Months): $13,800.00

Insider Selling (Last 12 Months): $0.00

Clearside Biomedical Insider Trading History Chart

Clearside Biomedical Share Price & Price History

^$0.36

▼ -0.2043 (-36.40%)

As of 11/28/2025 05:59 PM ET

Days: 30 | 90 | 365

Clearside Biomedical Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
2/24/2025	Clay Thorp	Director	Buy	1,000	$13.80	$13,800.00	11,742
11/1/2024	Ngai Hang Victor Chong	Insider	Buy	2,433	$15.00	$36,495.00	6,666
6/24/2024	Ngai Hang Victor Chong	Insider	Buy	1,566	$15.90	$24,899.40	4,233
5/15/2024	Benjamin R Yerxa	Director	Buy	520	$19.65	$10,218.00	1,197
4/17/2024	Anthony S Gibney	Director	Buy	447	$18.75	$8,381.25	447
3/20/2024	Ngai Hang Victor Chong	Insider	Buy	2,000	$24.00	$48,000.00	2,000
2/7/2024	Bradford T. Whitmore	Major Shareholder	Buy	29,629	$20.25	$599,987.25	299,668
1/19/2024	Charles A. Deignan	CFO	Sell	860	$19.20	$16,512.00	25,644
1/19/2024	George M. Lasezkay	CEO	Sell	1,200	$19.05	$22,860.00	31,105
11/1/2023	Bradford T. Whitmore	Major Shareholder	Buy	4,291	$11.10	$47,630.10	270,039
10/30/2023	Bradford T. Whitmore	Major Shareholder	Buy	40	$10.35	$414.00	261,027
10/3/2023	Nancy J Hutson	Director	Buy	666	$12.90	$8,591.40	6,200
9/25/2023	Clay Thorp	Director	Buy	666	$12.90	$8,591.40	2,701
1/20/2023	Thomas Ciulla	Insider	Sell	913	$22.05	$20,131.65	19,459
1/19/2023	Charles A. Deignan	CFO	Sell	935	$22.50	$21,037.50	24,231
1/19/2023	George M. Lasezkay	CEO	Sell	1,335	$21.90	$29,236.50	32,305
1/10/2023	Thomas Ciulla	Insider	Sell	144	$24.30	$3,499.20	20,372
12/21/2022	Clay Thorp	Director	Buy	933	$15.30	$14,274.90	2,034

SEC Filings (Institutional Ownership Changes) for Clearside Biomedical (NASDAQ:CLSD)

18.75% of Clearside Biomedical stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

Clearside Biomedical Institutional Trading History

Reporting Date	Hedge Fund	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
11/7/2025	GSA Capital Partners LLP	12,885	$51K	0.0%	-97.6%	0.246%
10/17/2025	Apollon Wealth Management LLC	23,586	$94K	0.0%	N/A	0.450%
8/15/2025	Bridgeway Capital Management LLC	205,000	$0.16M	0.0%	-19.6%	0.261%
5/15/2025	First Manhattan CO. LLC.	342,725	$0.32M	0.0%	-15.5%	0.443%
5/14/2025	Carmignac Gestion	1,508,342	$1.39M	0.0%	-22.0%	1.952%
2/17/2025	Investor s Fiduciary Advisor Network LLC	33,800	$32K	0.0%	N/A	0.045%
2/17/2025	First Manhattan CO. LLC.	405,668	$0.39M	0.0%	-39.1%	0.535%
2/14/2025	Northern Trust Corp	165,499	$0.16M	0.0%	+24.0%	0.218%
2/13/2025	Synovus Financial Corp	30,000	$28K	0.0%	-43.5%	0.040%
2/13/2025	Renaissance Technologies LLC	721,789	$0.69M	0.0%	-3.1%	0.952%
2/12/2025	Geode Capital Management LLC	764,058	$0.73M	0.0%	+4.5%	1.007%
1/14/2025	Assenagon Asset Management S.A.	131,913	$0.13M	0.0%	-48.7%	0.174%
11/16/2024	Geode Capital Management LLC	731,386	$0.93M	0.0%	+8.8%	0.964%
11/14/2024	Johnson & Johnson	82,481	$0.11M	0.0%	N/A	0.110%
10/30/2024	Rosalind Advisors Inc.	127,220	$0.16M	0.1%	-95.1%	0.170%
10/23/2024	Assenagon Asset Management S.A.	257,103	$0.33M	0.0%	-9.2%	0.344%
8/15/2024	Armistice Capital LLC	2,136,000	$2.78M	0.0%	-46.0%	2.858%
8/12/2024	XTX Topco Ltd	54,313	$71K	0.0%	+172.2%	0.073%
8/9/2024	Renaissance Technologies LLC	582,689	$0.76M	0.0%	+6.6%	0.780%
7/30/2024	International Assets Investment Management LLC	20,000	$26K	0.0%	-44.4%	0.027%
7/18/2024	Assenagon Asset Management S.A.	283,193	$0.37M	0.0%	N/A	0.379%
5/10/2024	Vanguard Group Inc.	2,490,796	$3.81M	0.0%	+14.5%	3.333%
5/7/2024	SG Americas Securities LLC	32,270	$49K	0.0%	N/A	0.043%
4/25/2024	Rosalind Advisors Inc.	2,592,593	$3.97M	3.7%	N/A	3.470%
4/11/2024	International Assets Investment Management LLC	36,000	$57K	0.0%	N/A	0.048%
11/29/2023	Carmignac Gestion	2,132,744	$1.86M	0.0%	-11.1%	3.417%
8/8/2023	Brown Wealth Management LLC	110,000	$0.12M	0.1%	N/A	0.178%
8/7/2023	Acadian Asset Management LLC	34,165	$37K	0.0%	-75.1%	0.055%
7/27/2023	Virtu Financial LLC	33,844	$38K	0.0%	N/A	0.055%
7/27/2023	B. Riley Wealth Advisors Inc.	31,000	$35K	0.0%	N/A	0.050%
7/25/2023	Assenagon Asset Management S.A.	71,776	$80K	0.0%	-52.7%	0.116%
7/18/2023	Stratos Wealth Partners LTD.	39,442	$44K	0.0%	+56.6%	0.064%
5/25/2023	Water Island Capital LLC	65,000	$68K	0.0%	+38.3%	0.105%
4/28/2023	Janney Montgomery Scott LLC	100,000	$0.10M	0.0%	N/A	0.163%
4/27/2023	Stratos Wealth Partners LTD.	25,180	$26K	0.0%	N/A	0.041%
4/18/2023	Assenagon Asset Management S.A.	151,638	$0.16M	0.0%	-9.5%	0.247%
2/14/2023	Water Island Capital LLC	47,000	$53K	0.0%	N/A	0.078%
2/13/2023	Northeast Financial Consultants Inc	83,000	$93K	0.0%	+56.6%	0.138%
2/10/2023	Ameritas Advisory Services LLC	41,620	$47K	0.0%	+100.0%	0.069%
2/10/2023	Connor Clark & Lunn Investment Management Ltd.	57,034	$64K	0.0%	-15.1%	0.095%
2/10/2023	Banque Cantonale Vaudoise	40,000	$45K	0.0%	N/A	0.066%
2/9/2023	Hamilton Lane Advisors LLC	65,359	$73K	0.0%	N/A	0.109%
2/9/2023	Johnson & Johnson	169,629	$0.19M	0.1%	N/A	0.282%
2/2/2023	Bailard Inc.	47,800	$54K	0.0%	N/A	0.079%
1/12/2023	Assenagon Asset Management S.A.	167,582	$0.19M	0.0%	-59.2%	0.278%
11/10/2022	Connor Clark & Lunn Investment Management Ltd.	67,170	$76K	0.0%	+34.3%	0.112%
11/4/2022	Lincoln National Corp	92,300	$0.10M	0.0%	N/A	0.153%
11/3/2022	ACT Capital Management LLC	2,197,480	$2.48M	3.4%	-4.0%	3.651%
10/27/2022	Assenagon Asset Management S.A.	410,691	$0.46M	0.0%	-45.7%	0.682%
10/18/2022	Newman Dignan & Sheerar Inc.	27,023	$31K	0.0%	N/A	0.045%
8/12/2022	Carmignac Gestion	2,390,344	$3.51M	0.1%	-3.8%	3.974%
8/10/2022	Synovus Financial Corp	64,851	$95K	0.0%	-13.4%	0.108%
8/10/2022	Mackenzie Financial Corp	33,448	$49K	0.0%	+184.5%	0.056%
8/5/2022	Connor Clark & Lunn Investment Management Ltd.	50,029	$74K	0.0%	-36.9%	0.083%
7/27/2022	Assenagon Asset Management S.A.	756,200	$1.11M	0.0%	-17.2%	1.257%
5/13/2022	Carmignac Gestion	2,485,652	$5.69M	0.1%	-20.2%	4.132%
5/12/2022	Connor Clark & Lunn Investment Management Ltd.	79,252	$0.18M	0.0%	N/A	0.132%
5/11/2022	ACT Capital Management LLC	2,458,600	$5.63M	6.0%	-1.0%	4.087%
5/11/2022	GSA Capital Partners LLP	78,274	$0.18M	0.0%	N/A	0.130%
4/25/2022	Bailard Inc.	25,600	$59K	0.0%	N/A	0.043%
4/25/2022	Assenagon Asset Management S.A.	913,789	$2.09M	0.0%	-44.1%	1.519%
2/14/2022	PDT Partners LLC	10,616	$29K	0.0%	N/A	0.018%
2/11/2022	Northeast Financial Consultants Inc	53,000	$0.15M	0.0%	+307.7%	0.089%
2/10/2022	Exencial Wealth Advisors LLC	14,064	$39K	0.0%	N/A	0.024%
2/10/2022	OLD Mission Capital LLC	16,362	$45K	0.0%	N/A	0.027%
2/9/2022	Principal Financial Group Inc.	65,344	$0.18M	0.0%	N/A	0.110%
2/7/2022	Ameritas Advisory Services LLC	20,810	$57K	0.0%	N/A	0.035%
2/3/2022	Cambridge Investment Research Advisors Inc.	31,900	$88K	0.0%	-25.6%	0.053%
2/3/2022	ACT Capital Management LLC	2,483,500	$6.83M	4.9%	+0.6%	4.162%
2/1/2022	Assenagon Asset Management S.A.	1,634,412	$4.50M	0.0%	+8,559.6%	2.739%
1/13/2022	Wedbush Securities Inc.	36,239	$100K	0.0%	N/A	0.061%
11/16/2021	ACT Capital L.L.C.	2,467,500	$14.81M	7.7%	+0.2%	4.135%
11/16/2021	Squarepoint Ops LLC	15,466	$93K	0.0%	-62.9%	0.026%
11/16/2021	Two Sigma Advisers LP	1,011,400	$6.07M	0.0%	+2.2%	1.700%
11/16/2021	Two Sigma Investments LP	827,499	$4.97M	0.0%	-23.8%	1.391%
11/15/2021	Cubist Systematic Strategies LLC	79,967	$0.48M	0.0%	+200.0%	0.134%
11/15/2021	Marshall Wace LLP	53,474	$0.32M	0.0%	-76.8%	0.090%
11/15/2021	Caxton Associates LP	66,569	$0.40M	0.0%	+169.8%	0.112%
11/15/2021	Capstone Investment Advisors LLC	11,856	$71K	0.0%	N/A	0.020%
11/15/2021	Invesco Ltd.	277,161	$1.66M	0.0%	N/A	0.466%
11/15/2021	Dynamic Technology Lab Private Ltd	39,745	$0.24M	0.0%	N/A	0.067%
11/15/2021	Franklin Resources Inc.	111,900	$0.67M	0.0%	N/A	0.188%
11/12/2021	Trexquant Investment LP	43,768	$0.26M	0.0%	N/A	0.074%
11/12/2021	Renaissance Technologies LLC	101,489	$0.61M	0.0%	+43.8%	0.171%
11/12/2021	Ameritas Investment Company LLC	60,810	$0.37M	0.0%	+19.7%	0.102%
11/12/2021	Jump Financial LLC	38,169	$0.23M	0.0%	N/A	0.064%
11/12/2021	Geode Capital Management LLC	486,642	$2.92M	0.0%	+14.9%	0.818%
11/10/2021	Goldman Sachs Group Inc.	46,816	$0.28M	0.0%	+179.2%	0.079%
11/9/2021	Barclays PLC	17,048	$0.10M	0.0%	N/A	0.029%
11/9/2021	BlackRock Inc.	804,352	$4.83M	0.0%	+4.3%	1.352%
11/5/2021	Advisor Group Holdings Inc.	9,350	$56K	0.0%	+26.4%	0.016%
11/2/2021	Cambridge Investment Research Advisors Inc.	42,850	$0.26M	0.0%	+41.9%	0.072%
10/19/2021	Assenagon Asset Management S.A.	18,874	$0.11M	0.0%	N/A	0.032%
8/17/2021	Millennium Management LLC	175,035	$0.85M	0.0%	-6.1%	0.294%
8/17/2021	Price T Rowe Associates Inc. MD	37,200	$0.18M	0.0%	-25.0%	0.063%
8/16/2021	State Street Corp	165,588	$0.81M	0.0%	+316.7%	0.278%

Data available starting January 2016

Clearside Biomedical, Inc., a biopharmaceutical company, focuses on the revolutionizing the delivery of therapies to the back of the eye through the suprachoroidal space. It offers XIPERE, a triamcinolone acetonide suprachoroidal injectable suspension for the treatment of uveitis macular edema. It also develops CLS-AX, an axitinib injectable suspension for suprachoroidal injection, which is in Phase IIb clinical trial to treat wet AMD. The company has a collaboration with Bausch Health, Arctic Vision, REGENXBIO, Inc., BioCryst Pharmaceuticals, Inc., and Aura Biosciences. Clearside Biomedical, Inc. was incorporated in 2011 and is headquartered in Alpharetta, Georgia.

Today's Range

Now: $0.36

$0.37

$0.59

50 Day Range

MA: $3.24

$0.36

$4.40

52 Week Range

Now: $0.36

$0.37

$17.10

Volume

2,768,773 shs

Average Volume

152,333 shs

Market Capitalization

$1.87 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

2.04

Who are the company insiders with the largest holdings of Clearside Biomedical?: Clearside Biomedical's top insider investors include:
Bradford T Whitmore (Major Shareholder)
George M Lasezkay (CEO)
Charles A Deignan (CFO)
Clay Thorp (Director)
Ngai Hang Victor Chong (Insider)
Benjamin R Yerxa (Director)
Anthony S Gibney (Director)
Learn More about top insider investors at Clearside Biomedical.
Who are the major institutional investors of Clearside Biomedical?: Clearside Biomedical's top institutional shareholders include:
Apollon Wealth Management LLC — 0.45%
GSA Capital Partners LLP — 0.25%
Learn More about top institutional investors of Clearside Biomedical stock.
Which major investors are selling Clearside Biomedical stock?: During the previous quarter, CLSD stock was sold by these institutional investors:
GSA Capital Partners LLP
Which major investors are buying Clearside Biomedical stock?: Within the previous quarter, CLSD stock was purchased by institutional investors including:
Apollon Wealth Management LLC
In the last year, these company insiders have bought Clearside Biomedical stock:
Bradford T Whitmore (Major Shareholder)
George M Lasezkay (CEO)
Charles A Deignan (CFO)
Clay Thorp (Director)
Ngai Hang Victor Chong (Insider)
Learn More investors buying Clearside Biomedical stock.