Clearside Biomedical, Inc. (CLSD)
Trading
Quantity
Profitability
Ownership
Largest Insider Buys in Sector
CLSD Insider Trading Activity
CLSD Median Price and Trade Amounts History Chart
Statistics of Insider Transactions
Amount of Insider Buys and Sells
Buys | $263,110 | 7 | 100 |
Sells | $0 | 0 | 0 |
Related Transactions
| Gibney Anthony S | director | 2 | $129,665 | 0 | $0 | $129,665 |
| Chong Ngai Hang Victor | CHIEF MEDICAL OFFICER | 3 | $109,410 | 0 | $0 | $109,410 |
| Thorp Clay | director | 1 | $13,800 | 0 | $0 | $13,800 |
| YERXA BENJAMIN R | director | 1 | $10,235 | 0 | $0 | $10,235 |
About Clearside Biomedical, Inc.
Clearside Biomedical, Inc., a biopharmaceutical company, focuses on the revolutionizing the delivery of therapies to the back of the eye through the suprachoroidal space. The company 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 1/2a clinical trial; and CLS-301, an integrin inhibitor suspension for the treatment of diabetic macular edema and macular degeneration. …
Insider Activity of Clearside Biomedical, Inc.
Over the last 12 months, insiders at Clearside Biomedical, Inc. have bought $263,110 and sold $0 worth of Clearside Biomedical, Inc. stock.
On average, over the past 5 years, insiders at Clearside Biomedical, Inc. have bought $613,935 and sold $872,208 worth of stock each year.
Highest buying activity among insiders over the last 12 months: Gibney Anthony S (director) — $129,665. Chong Ngai Hang Victor (CHIEF MEDICAL OFFICER) — $109,410. Thorp Clay (director) — $13,800.
The last purchase of 15,000 shares for transaction amount of $13,800 was made by Thorp Clay (director) on 2025‑02‑24.
List of Insider Buy and Sell Transactions, Clearside Biomedical, Inc.
| 2025-02-24 | Thorp Clay | director | 15,000 0.0192% | $0.92 | $13,800 | -0.79% | ||
| 2024-11-01 | Chong Ngai Hang Victor | Chief Medical Officer | 36,500 0.0483% | $1.00 | $36,500 | -1.98% | ||
| 2024-06-24 | Chong Ngai Hang Victor | Chief Medical Officer | 23,500 0.0309% | $1.06 | $24,910 | -1.85% | ||
| 2024-05-15 | YERXA BENJAMIN R | director | 7,813 0.0104% | $1.31 | $10,235 | -18.18% | ||
| 2024-04-18 | Gibney Anthony S | director | 93,290 0.123% | $1.30 | $121,277 | -17.42% | ||
| 2024-04-17 | Gibney Anthony S | director | 6,710 0.0089% | $1.25 | $8,388 | -13.49% | ||
| 2024-03-20 | Chong Ngai Hang Victor | CHIEF MEDICAL OFFICER | 30,000 0.0394% | $1.60 | $48,000 | -31.60% | ||
| 2024-02-07 | WHITMORE BRADFORD T | 10 percent owner | 444,444 0.7241% | $1.35 | $599,999 | -13.77% | ||
| 2024-01-19 | Sale | LASEZKAY GEORGE M | CEO | 18,000 0.0286% | $1.27 | $22,860 | -5.43% | |
| 2024-01-19 | Sale | Deignan Charles A. | Chief Financial Officer | 12,900 0.0207% | $1.28 | $16,512 | -5.43% | |
| 2023-11-01 | WHITMORE BRADFORD T | 10 percent owner | 64,366 0.101% | $0.74 | $47,901 | +62.52% | ||
| 2023-10-31 | WHITMORE BRADFORD T | 10 percent owner | 70,812 0.1147% | $0.73 | $51,537 | +71.13% | ||
| 2023-10-30 | WHITMORE BRADFORD T | 10 percent owner | 600 0.001% | $0.69 | $411 | +79.97% | ||
| 2023-10-03 | Hutson Nancy J | director | 10,000 0.0159% | $0.86 | $8,600 | +44.88% | ||
| 2023-09-25 | Thorp Clay | director | 10,000 0.0163% | $0.86 | $8,600 | +43.53% | ||
| 2023-01-20 | Sale | Ciulla Thomas | Chief Medical Officer | 13,700 0.0223% | $1.47 | $20,139 | -28.67% | |
| 2023-01-19 | Sale | LASEZKAY GEORGE M | CEO | 20,030 0.033% | $1.46 | $29,244 | -27.21% | |
| 2023-01-19 | Sale | Deignan Charles A. | Chief Financial Officer | 14,030 0.0238% | $1.50 | $21,045 | -27.21% | |
| 2023-01-10 | Sale | Ciulla Thomas | Chief Medical Officer | 2,170 0.0035% | $1.62 | $3,515 | -35.54% | |
| 2022-12-21 | Thorp Clay | director | 14,000 0.0236% | $1.02 | $14,266 | +7.00% |
Insider Historical Profitability
| Thorp Clay | director | 176141 0.2322% | $156,712.65 | 5 | 41 | +11.66% |
| Gibney Anthony S | director | 100000 0.1319% | $88,970.00 | 2 | 0 | |
| Chong Ngai Hang Victor | Chief Medical Officer | 100000 0.1319% | $88,970.00 | 3 | 0 | |
| YERXA BENJAMIN R | director | 17957 0.0237% | $15,976.34 | 1 | 0 | |
| WHITMORE BRADFORD T | 10 percent owner | 4495034 5.9267% | $4M | 11 | 3 | +69.04% |
Historical Insider Profitability vs. Competitors
$2,600,095 | 110 | 13.50% | $70.91M | |
$2,942,496 | 100 | 17.32% | $66.91M | |
$542,300 | 40 | -14.44% | $67.8M | |
$6,787,959 | 35 | 49.84% | $60.62M | |
Clearside Biomedical, Inc. (CLSD) | $22,110,933 | 34 | 30.18% | $67.48M |
CLSD Institutional Investors: Active Positions
| Increased Positions | 22 | +35.48% | 563,557 | +5.58% |
| Decreased Positions | 23 | -37.1% | 1M | -11.82% |
| New Positions | 10 | New | 309,340 | New |
| Sold Out Positions | 16 | Sold Out | 711,337 | Sold Out |
| Total Postitions | 61 | -1.61% | 9M | -6.23% |
CLSD Ownership Change vs Market
Institutional Investor Ownership
| Vanguard Group Inc | $2,414.00 | 3.69% | 2.81M | -33,371 | -1.18% | 2024-12-31 |
| Carmignac Gestion | $1,663.00 | 2.54% | 1.93M | 0 | 0% | 2024-12-31 |
| Blackrock, Inc. | $755.00 | 1.16% | 877,647 | +73,692 | +9.17% | 2024-12-31 |
| Geode Capital Management, Llc | $657.00 | 1.01% | 764,058 | +32,672 | +4.47% | 2024-12-31 |
| Renaissance Technologies Llc | $621.00 | 0.95% | 721,789 | -23,100 | -3.1% | 2024-12-31 |
| First Manhattan Co. Llc. | $349.00 | 0.53% | 405,668 | -260,474 | -39.1% | 2024-12-31 |
| State Street Corp | $228.00 | 0.35% | 265,263 | +60,100 | +29.29% | 2024-12-31 |
| Bridgeway Capital Management, Llc | $219.00 | 0.34% | 255,000 | 0 | 0% | 2024-12-31 |
| Northern Trust Corp | $142.00 | 0.22% | 165,499 | +32,048 | +24.02% | 2024-12-31 |
| Ubs Group Ag | $125.00 | 0.19% | 145,118 | +145,118 | New | 2024-12-31 |