ROCK insider buying
1 cluster buyGIBRALTAR INDUSTRIES, INC. · Industrials
When two or more insiders at GIBRALTAR INDUSTRIES, INC. buy ROCK 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 ROCK 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
- Mar 9 – Mar 10, 2026Detected Mar 10, 2026High conviction2 insidersTotal bought$674.4KMarket cap$1.3B
All notable open-market buys in ROCK
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 |
|---|---|---|---|---|---|
| May 26, 2026 | Director, President and CEO | 19,735 | $37.44 | $738.8K | SEC ↗ |
| Mar 13, 2026 | Director, President and CEO | 1,000 | $41.37 | $41.4K | SEC ↗ |
| Mar 10, 2026 | METCALF JAMES Scluster Director | 12,444 | $40.35 | $502.1K | SEC ↗ |
| Mar 9, 2026 | Bosway William Tcluster Director, President and CEO | 4,500 | $38.29 | $172.3K | SEC ↗ |
More Industrials stocks with insider cluster buys
ROCK insider buying — FAQ
- Are insiders buying ROCK stock?
- Yes — 3 distinct insiders have bought ROCK (GIBRALTAR INDUSTRIES, 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 May 27, 2026.
- How much ROCK stock have insiders bought?
- Insiders have bought a combined $1.5M of ROCK across 4 open-market purchases, based on SEC Form 4 filings.
- What is an insider cluster buy in ROCK?
- A cluster buy is two or more distinct GIBRALTAR INDUSTRIES, INC. insiders — officers, directors, or 10% owners — each buying ROCK on the open market within a rolling window. ROCK has 1 detected cluster buy to date.
- Where does this ROCK 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 ROCK
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 ROCK 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 ROCK.