Stocks › ROCK
GIBRALTAR INDUSTRIES, INC.
ROCK·Nasdaq·
United States·USD
United States·USD$40.80
+0.48 (+1.19%)
Close · Oct 6, 2026 · Close Prices from Tiingo.com
ROCK
GIBRALTAR INDUSTRIES, INC. · Nasdaq
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
ROCKS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
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Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair
Congressional Trades
Recent trades of ROCK by members of U.S. Congress · 3 on record
| Politician | Stock | Type | Filed | Traded | |
|---|---|---|---|---|---|
 Chris CollinsHouse · R · NY |
ROCKGIBRALTAR INDUSTRIES, INC. · Stock |
Sale $250,001 - $500,000 |
Apr 14, 2015 | Apr 2, 2015 | Filing ↗ |
| Chris CollinsHouse · R · NY |
ROCKGIBRALTAR INDUSTRIES, INC. · Stock |
Purchase $100,001 - $250,000 |
May 19, 2014 | May 8, 2014 | Filing ↗ |
| Chris CollinsHouse · R · NY |
ROCKGIBRALTAR INDUSTRIES, INC. · Stock |
Purchase $50,001 - $100,000 |
May 19, 2014 | May 15, 2014 | Filing ↗ |
Whale Activity
Position changes in ROCK reported for 2026-06-30 by 13 tracked institutional filers
- Increased3
- New1
- Held0
- Decreased3
- Closed2
- No prior filing4
| Filer | Shares | Value | Change |
|---|---|---|---|
| BlackRock, Inc. | 4.9M | $221.9M | decreased |
| VANGUARD CAPITAL MANAGEMENT LLC | 1.3M | $60.1M | increased |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1.3M | $58.2M | decreased |
| FIRST WILSHIRE SECURITIES MANAGEMENT INC | 268.8K | $12.1M | — |
| D. E. Shaw & Co., Inc. | 224.7K | $10.1M | decreased |
| CITADEL ADVISORS LLC | 191.1K | $8.6M | increased |
| Expect Equity LLC | 68.3K | $3.1M | — |
| RENAISSANCE TECHNOLOGIES LLC | 66.7K | $3.0M | increased |
| MILLENNIUM MANAGEMENT LLC | 56.6K | $2.6M | new |
| Teton Advisors, LLC | 52.0K | $2.3M | — |
| Owls Nest Partners IA, LLC | 5,000 | $226K | — |
| Bridgewater Associates | 0 | $0 | closed |
KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.
Insider Trading
Net shares bought (+) or sold (−) on the open market by ROCK insiders, by quarter · Form 4
Recent Insider Transactions
1,481 transactions on record · newest first
| Insider | Type | Shares | Price | Value | Date | |
|---|---|---|---|---|---|---|
| Bosway William TPresident and CEO · Director | Purchase | +19.7K | $37.44 | $739K | May 26, 2026 | Form 4 ↗ |
| Bolanowski KatherineGeneral Counsel, VP, Secretary | Purchase | +144 | $35.66 | $5K | May 21, 2026 | Form 4 ↗ |
| Bolanowski KatherineGeneral Counsel, VP, Secretary | Purchase | +1,256 | $35.63 | $45K | May 21, 2026 | Form 4 ↗ |
| Lovechio Joseph AVP and CFO | Purchase | +1,000 | $34.62 | $35K | May 20, 2026 | Form 4 ↗ |
| Mizell Gwendolyn GDirector | Grant / award | +3,059 | $37.59 | $115K | May 7, 2026 | Form 4 ↗ |
| Nish James BDirector | Grant / award | +3,059 | $37.59 | $115K | May 7, 2026 | Form 4 ↗ |
| Myers Linda KristineDirector | Grant / award | +3,059 | $37.59 | $115K | May 7, 2026 | Form 4 ↗ |
| Pope Atlee ValentineDirector | Grant / award | +3,059 | $37.59 | $115K | May 7, 2026 | Form 4 ↗ |
| Shah Manish HDirector | Grant / award | +3,059 | $37.59 | $115K | May 7, 2026 | Form 4 ↗ |
| METCALF JAMES SDirector | Grant / award | +3,059 | $37.59 | $115K | May 7, 2026 | Form 4 ↗ |
| Barberio Mark GDirector | Grant / award | +3,059 | $37.59 | $115K | May 7, 2026 | Form 4 ↗ |
| Catlett Janet AnneVP, CHRO | Tax withholding | −169 | $39.57 | $7K | Apr 26, 2026 | Form 4 ↗ |
| Bosway William TPresident and CEO · Director | Purchase | +1,000 | $41.37 | $41K | Mar 13, 2026 | Form 4 ↗ |
| METCALF JAMES SDirector | Purchase | +12.4K | $40.35 | $502K | Mar 10, 2026 | Form 4 ↗ |
| Bosway William TPresident and CEO · Director | Purchase | +1,500 | $39.53 | $59K | Mar 10, 2026 | Form 4 ↗ |
| Bosway William TPresident and CEO · Director | Purchase | +4,500 | $38.29 | $172K | Mar 9, 2026 | Form 4 ↗ |
| Watorek Jeffrey J.VP and Treasurer | Tax withholding | −2,962 | $43.05 | $128K | Mar 4, 2026 | Form 4 ↗ |
| Catlett Janet AnneVP, CHRO | Tax withholding | −3,246 | $43.05 | $140K | Mar 4, 2026 | Form 4 ↗ |
| Bolanowski KatherineGeneral Counsel, VP, Secretary | Tax withholding | −2,601 | $43.05 | $112K | Mar 4, 2026 | Form 4 ↗ |
| Bosway William TPresident and CEO · Director | Tax withholding | −30.0K | $43.05 | $1.3M | Mar 4, 2026 | Form 4 ↗ |
Fund Holders
Mutual funds and ETFs holding ROCK · SEC Form N-PORT
| Fund | Shares | Value | % of fund | As of |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF iShares Trust | 1.8M | $80.6M | 0.07% | Jun 30, 2026 |
| Fidelity Low-Priced Stock Fund Fidelity Puritan Trust | 1.2M | $50.2M | 0.20% | Jul 31, 2026 |
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 940.4K | $42.4M | 0.00% | Jun 30, 2026 |
| iShares Russell 2000 ETF iShares Trust | 782.6K | $35.3M | 0.04% | Jun 30, 2026 |
| Global X U.S. Infrastructure Development ETF GLOBAL X FUNDS | 728.9K | $28.2M | 0.21% | May 31, 2026 |
| Strategic Advisers Fidelity U.S. Total Stock Fund Fidelity Rutland Square Trust II | 708.5K | $27.4M | 0.01% | May 31, 2026 |
| AB Discovery Value Fund AB TRUST | 513.9K | $23.2M | 0.90% | Jun 30, 2026 |
| VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS | 340.1K | $15.3M | 0.02% | Jun 30, 2026 |
| VANGUARD SMALL-CAP INDEX FUND VANGUARD INDEX FUNDS | 339.8K | $15.3M | 0.01% | Jun 30, 2026 |
| Fidelity Small Cap Discovery Fund Fidelity Concord Street Trust | 336.7K | $14.2M | 0.63% | Jul 31, 2026 |
Mutual funds and ETFs whose N-PORT filings list ROCK's shares (CUSIP 374689107), each fund at its latest report since Mar 7, 2026, largest positions first. Bonds, options and short positions are left out.
Activist & Passive Stakes
Schedule 13D / 13G beneficial-ownership filings
Corporate Lobbying
Estimated quarterly lobbying spending reported under the LDA, filings naming GIBRALTAR INDUSTRIES, INC. as client
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Government Contracts
Federal awards to GIBRALTAR INDUSTRIES, INC. · USAspending
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U.S. Patents
Recent USPTO applications naming GIBRALTAR INDUSTRIES, INC.
No USPTO patent applications found for GIBRALTAR INDUSTRIES, INC..
Annual Financials
From ROCK's 10-K filings · XBRL
No annual XBRL figures on record for ROCK. KeyVex's fundamentals cover about 130 large companies so far.
Stock Splits
Every split and reverse split in the price history
- 3-for-2Stock splitNov 1, 2004
Split dates and ratios from the price history · Close Prices from Tiingo.com
About GIBRALTAR INDUSTRIES, INC.
From SEC EDGAR company records
Industry (SIC 3310)Steel Works, Blast Furnaces & Rolling & Finishing Mills
SectorIndustrials
HeadquartersBUFFALO, NY
IncorporatedDE
SEC CIK0000912562 ↗
Former namesGIBRALTAR STEEL CORP