CLSD insider buying
1 cluster buyClearside Biomedical, Inc.
When two or more insiders at Clearside Biomedical, Inc. buy CLSD in a qualifying detection window, the grouped purchases provide a starting point for further research. Below is every cluster we've detected in CLSD plus the full record of qualifying open-market buys, each parsed directly from Form 4 filings and linked back to the source on SEC EDGAR.
Detected clusters
- Apr 18 – Jun 24, 2024Detected Jun 24, 2024Executive buyer3 insidersTotal bought$156.4KMarket capUnknown
All notable open-market buys in CLSD
Every open-market Form 4 purchase, newest first. Click an insider to see their full buying record across companies.
| Date | Insider | Shares | Price | Value | Filing |
|---|---|---|---|---|---|
| Feb 24, 2025 | Director | 15,000 | $0.92 | $13.8K | SEC ↗ |
| Nov 1, 2024 | Chief Medical Officer | 36,500 | $1.00 | $36.5K | SEC ↗ |
| Jun 24, 2024 | Chong Ngai Hang Victorcluster Chief Medical Officer | 23,500 | $1.06 | $24.9K | SEC ↗ |
| May 15, 2024 | YERXA BENJAMIN Rcluster Director | 7,813 | $1.31 | $10.2K | SEC ↗ |
| Apr 18, 2024 | Gibney Anthony Scluster Director | 93,290 | $1.30 | $121.3K | SEC ↗ |
CLSD insider buying — FAQ
- Are insiders buying CLSD stock?
- Yes — 4 distinct insiders have bought CLSD (Clearside Biomedical, Inc.) on the open market, including 1 cluster buy where two or more insiders bought within a rolling window. The most recent qualifying activity was Feb 24, 2025.
- How much CLSD stock have insiders bought?
- Insiders have bought a combined $206.7K of CLSD across 5 open-market purchases, based on SEC Form 4 filings.
- What is an insider cluster buy in CLSD?
- A cluster buy is two or more distinct Clearside Biomedical, Inc. insiders — officers, directors, or 10% owners — each buying CLSD on the open market within a rolling window. CLSD has 1 detected cluster buy to date.
- Where does this CLSD insider trading data come from?
- Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.
How we track insider buying in CLSD
We continuously poll SEC EDGAR for new Form 4 filings and parse every open-market purchase (transaction code P). A cluster is recorded when two or more distinct insiders — officers, directors, or 10% owners — each buy CLSD within a rolling window. We track clusters at every company size, from micro-caps to mega-caps. Transactions link to official filings; prices and market capitalizations may be cached market data. Read our methodology and data limits before interpreting the figures. What counts as a cluster buy?
This page is informational and reflects public filing data. It is not investment advice or a recommendation regarding CLSD.