Gibraltar Ind Inc (ROCK): Congress and insider trades
Who in Congress and inside the company traded ROCK, when each filing appeared, and what buying after each one would have earned against the S&P 500.
Key Facts
- Gibraltar Ind Inc (ROCK) is a listed stock on NASDAQ.
- Insiders filed 5 open market buys worth $1.1M and 0 sells worth $0, the latest filed 2026-05-27 (27 May 2026).
- 1 cluster buy of ROCK by three or more insiders within 30 days.
- Across 4 scored buys, Insiders averaged +10.9% against the S&P 500 (SPY) over the 90 days after disclosure, with 75% of them ahead of the index. That result is too few trades to draw a conclusion.
- Data as of 2026-09-29 (29 September 2026).
Insider trades in ROCK
as of 2026-05-27| Filed | Insider | Type | Shares | Price | Value | 90 day vs S&P |
|---|---|---|---|---|---|---|
| 27 May 2026 | Bosway William T | buy | 19,735 | $37.44 | $739K | +16.3% |
| 22 May 2026 | Bolanowski Katherine | buy | 1,400 | $35.63 | $49.9K | +21.5% |
| 21 May 2026 | Lovechio Joseph A | buy | 1,000 | $34.62 | $34.6K | +22.2% |
| 10 Mar 2026 | Bosway William T | buy | 1,500 | $39.52 | $59.3K | -16.4% |
| 10 Mar 2026 | Bosway William T | buy | 4,500 | $38.29 | $172K | -16.4% |
Nothing matches that search.
Cluster buys in ROCK
| Last filed | Stock | Insiders | Trades | Total value | Days spanned | 90 day vs S&P |
|---|---|---|---|---|---|---|
| 27 May 2026 | ROCK | 3 | 3 | $823K | 6 | +16.3% |
Related pages
Frequently asked questions
Who has bought ROCK?
0 Congress buys by 0 members and 5 insider buys are on file. The tables on this page list every one.
Did buying ROCK after a disclosure beat the market?
Across 4 scored buys, Insiders averaged +10.9% against the S&P 500 (SPY) over the 90 days after disclosure, with 75% of them ahead of the index. That result is too few trades to draw a conclusion. A single stock is a small sample.
Sources: Congressional trades: STOCK Act disclosures, collected from CapitolTrades. Insider trades: SEC Form 4 filings, collected from Finviz. Prices: Yahoo Finance daily adjusted closes. Data as of 2026-09-29 (29 September 2026). About these sources.
Not investment advice. Past disclosed trades do not predict future returns. Disclosures are published late, so the trades shown are ones you could only have copied after the fact. Talk to a licensed adviser before you invest.