PIRS insider buying
1 cluster buyPIERIS PHARMACEUTICALS, INC.
When two or more insiders at PIERIS PHARMACEUTICALS, INC. buy PIRS on the open market around the same time, that clustered conviction is one of the highest-signal patterns in SEC filing data. Below is every cluster we've detected in PIRS 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
- Aug 7 – Aug 12, 2024Detected Aug 12, 20242 insidersTotal bought$92.3KMarket capUnknown
All notable open-market buys in PIRS
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 |
|---|---|---|---|---|---|
| Aug 12, 2024 | 10% Owner | 2,243 | $15.88 | $35.6K | SEC ↗ |
| Aug 12, 2024 | 10% Owner | 757 | $15.88 | $12.0K | SEC ↗ |
| Aug 9, 2024 | 10% Owner | 3,000 | $14.89 | $44.7K | SEC ↗ |
| Aug 7, 2024 | GERAGHTY JAMES Acluster Director | 1 | $1.00 | $1.0 | SEC ↗ |
PIRS insider buying — FAQ
- Are insiders buying PIRS stock?
- Yes — 2 distinct insiders have bought PIRS (PIERIS PHARMACEUTICALS, 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 Oct 28, 2024.
- How much PIRS stock have insiders bought?
- Insiders have bought a combined $92.3K of PIRS across 4 open-market purchases, based on SEC Form 4 filings.
- What is an insider cluster buy in PIRS?
- A cluster buy is two or more distinct PIERIS PHARMACEUTICALS, INC. insiders — officers, directors, or 10% owners — each buying PIRS on the open market within a rolling window. PIRS has 1 detected cluster buy to date.
- Where does this PIRS 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 PIRS
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 PIRS within a rolling window. We track clusters at every company size, from micro-caps to mega-caps. Every figure on this page traces back to an official filing; open any row to jump straight to the source document. What counts as a cluster buy?
This page is informational and reflects public filing data. It is not investment advice or a recommendation regarding PIRS.