Clearside Biomedical, Inc. ($CLSDQ) Insider Transactions

Last updated: 2026-03-14 11:17 UTC | Total transactions: 53

In the last 12 months, insiders at Clearside Biomedical, Inc. ($CLSDQ) filed 53 transactions with the SEC: 14 open-market purchases totaling $980,158 and 6 sales totaling $113,315. Net insider sentiment: net buying.

Clearside Biomedical, Inc. operates in the Pharmaceutical preparations industry (Life sciences sector).

Most Active Insiders

View all SEC Filings for Clearside Biomedical, Inc. (CLSDQ).

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Recent Insider Transactions

Transaction Date Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
Feb. 24, 2025 Thorp Clay Not found P Common Stock 15000 $0.92 176,141.0000 0 9.31% 0.00%
Jan. 8, 2025 Deignan Charles A. Chief Financial Officer A Employee Stock Option (right to buy) 200000 $0.00 200,000.0000 0 9999.99% 0.00%
Jan. 8, 2025 Chong Ngai Hang Victor Chief Medical Officer A Employee Stock Option (right to buy) 250000 $0.00 250,000.0000 0 9999.99% 0.00%
Jan. 8, 2025 LASEZKAY GEORGE M CEO A Employee Stock Option (right to buy) 500000 $0.00 500,000.0000 0 9999.99% 0.00%
Nov. 1, 2024 Chong Ngai Hang Victor Chief Medical Officer P Common Stock 36500 $1.00 100,000.0000 0 57.48% 0.00%
June 24, 2024 Chong Ngai Hang Victor Chief Medical Officer P Common Stock 23500 $1.06 63,500.0000 0 58.75% 0.00%
June 20, 2024 Gibney Anthony S Not found A Stock Option (right to buy) 45000 $0.00 45,000.0000 0 9999.99% 0.00%
June 20, 2024 YERXA BENJAMIN R Not found A Stock Option (right to buy) 45000 $0.00 45,000.0000 0 9999.99% 0.00%
June 20, 2024 Hutson Nancy J Not found A Stock Option (right to buy) 45000 $0.00 45,000.0000 0 9999.99% 0.00%
June 20, 2024 Croarkin Richard Not found A Stock Option (right to buy) 45000 $0.00 45,000.0000 0 9999.99% 0.00%
June 20, 2024 EDWARDS JEFFREY L Not found A Stock Option (right to buy) 45000 $0.00 45,000.0000 0 9999.99% 0.00%
June 20, 2024 Humphries William D. Not found A Stock Option (right to buy) 45000 $0.00 45,000.0000 0 9999.99% 0.00%
June 20, 2024 Thorp Clay Not found A Stock Option (right to buy) 45000 $0.00 45,000.0000 0 9999.99% 0.00%
June 20, 2024 SHAFFER CHRISTY L Not found A Stock Option (right to buy) 45000 $0.00 45,000.0000 0 9999.99% 0.00%
May 15, 2024 YERXA BENJAMIN R Not found P Common Stock 7813 $1.31 17,957.0000 0 77.02% 0.00%
April 17, 2024 Gibney Anthony S Not found P Common Stock 6710 $1.25 6,710.0000 0 9999.99% 0.00%
April 18, 2024 Gibney Anthony S Not found P Common Stock 93290 $1.30 100,000.0000 0 1390.31% 0.00%
April 15, 2024 Gibney Anthony S Not found A Stock Option (right to buy) 45000 $0.00 45,000.0000 0 9999.99% 0.00%
March 20, 2024 Chong Ngai Hang Victor CHIEF MEDICAL OFFICER P Common Stock 30000 $1.60 30,000.0000 0 9999.99% 0.00%
March 18, 2024 Chong Ngai Hang Victor CHIEF MEDICAL OFFICER A Employee Stock Option (right to buy) 450000 $0.00 450,000.0000 0 9999.99% 0.00%
Feb. 7, 2024 WHITMORE BRADFORD T TenPercentOwner P Common Stock 444444 $1.35 6,845,186.0000 0 6.94% 0.00%
Feb. 7, 2024 WHITMORE BRADFORD T TenPercentOwner P Warrant 444444 $0.00 444,444.0000 0 9999.99% 0.00%
Jan. 19, 2024 LASEZKAY GEORGE M CEO S Common Stock 18000 $1.27 466,577.0000 0 3.71% 0.00%
Jan. 18, 2024 LASEZKAY GEORGE M CEO A Employee Stock Option (right to buy) 439500 $0.00 439,500.0000 0 9999.99% 0.00%
Jan. 19, 2024 Deignan Charles A. Chief Financial Officer S Common Stock 12900 $1.28 384,662.0000 0 3.24% 0.00%
Jan. 18, 2024 Deignan Charles A. Chief Financial Officer A Employee Stock Option (right to buy) 200000 $0.00 200,000.0000 0 9999.99% 0.00%
Oct. 30, 2023 WHITMORE BRADFORD T TenPercentOwner P Common Stock 600 $0.69 6,265,564.0000 0 0.01% 0.00%
Oct. 31, 2023 WHITMORE BRADFORD T TenPercentOwner P Common Stock 70812 $0.73 6,336,376.0000 0 1.13% 0.00%
Nov. 1, 2023 WHITMORE BRADFORD T TenPercentOwner P Common Stock 64366 $0.74 6,400,742.0000 0 1.02% 0.00%
Oct. 3, 2023 Hutson Nancy J Director P Common Stock 10000 $0.86 93,000.0000 0 12.05% 0.00%
Sept. 25, 2023 Thorp Clay Director P Common Stock 10000 $0.86 3,585,562.0000 0 0.28% 0.00%
Sept. 22, 2023 Humphries William D. Director M Common Stock 22727 $0.40 51,040.0000 0 80.27% 0.00%
Sept. 22, 2023 Humphries William D. Director M Stock Option (right to buy) 22727 $0.00 0.0000 0 100.00% 0.00%
Sept. 18, 2023 Deignan Charles A. Chief Financial Officer A Employee Stock Option (right to buy) 100000 $0.00 100,000.0000 0 9999.99% 0.00%
Sept. 18, 2023 LASEZKAY GEORGE M CEO A Employee Stock Option (right to buy) 200000 $0.00 200,000.0000 0 9999.99% 0.00%
Sept. 13, 2023 Deignan Charles A. Chief Financial Officer M Common Stock 34090 $0.40 397,562.0000 0 9.38% 0.00%
Sept. 13, 2023 Deignan Charles A. Chief Financial Officer M Employee Stock Option (right to buy) 34090 $0.00 0.0000 0 100.00% 0.00%
June 22, 2023 Thorp Clay Director A Stock Option (right to buy) 30000 $0.00 30,000.0000 0 9999.99% 0.00%
June 22, 2023 Croarkin Richard Director A Stock Option (right to buy) 30000 $0.00 30,000.0000 0 9999.99% 0.00%
June 22, 2023 EDWARDS JEFFREY L Director A Stock Option (right to buy) 30000 $0.00 30,000.0000 0 9999.99% 0.00%
June 22, 2023 Humphries William D. Director A Stock Option (right to buy) 30000 $0.00 30,000.0000 0 9999.99% 0.00%
June 22, 2023 Hutson Nancy J Director A Stock Option (right to buy) 30000 $0.00 30,000.0000 0 9999.99% 0.00%
June 22, 2023 SHAFFER CHRISTY L Director A Stock Option (right to buy) 30000 $0.00 30,000.0000 0 9999.99% 0.00%
June 22, 2023 YERXA BENJAMIN R Director A Stock Option (right to buy) 30000 $0.00 30,000.0000 0 9999.99% 0.00%
Jan. 20, 2023 Ciulla Thomas Chief Medical Officer S Common Stock 13700 $1.47 291,890.0000 0 4.48% 0.00%
Jan. 19, 2023 LASEZKAY GEORGE M CEO S Common Stock 20030 $1.46 484,577.0000 0 3.97% 0.00%
Jan. 19, 2023 Deignan Charles A. Chief Financial Officer S Common Stock 14030 $1.50 363,472.0000 0 3.72% 0.00%
Jan. 10, 2023 Ciulla Thomas Chief Medical Officer S Common Stock 2170 $1.62 305,590.0000 0 0.71% 0.00%
Jan. 4, 2023 LASEZKAY GEORGE M CEO A Employee Stock Option (right to buy) 487500 $0.00 487,500.0000 0 9999.99% 0.00%
Jan. 4, 2023 Deignan Charles A. Chief Financial Officer A Employee Stock Option (right to buy) 187500 $0.00 187,500.0000 0 9999.99% 0.00%
June 30, 2022 Ciulla Thomas Chief Medical Officer A Common Stock 5000 $1.25 302,760.0000 0 1.68% 0.00%
Dec. 31, 2022 Ciulla Thomas Chief Medical Officer A Common Stock 5000 $0.95 307,760.0000 0 1.65% 0.00%
Jan. 4, 2023 Ciulla Thomas Chief Medical Officer A Employee Stock Option (right to buy) 187500 $0.00 187,500.0000 0 9999.99% 0.00%