Gibraltar Industries, Inc. (ROCK) Insider Trading

Over the last 6 months, 183 institutions increased and 151 reduced their position (13F).

Insider Activity

Sentiment
50/100
Buys (3m)
0
Sells (3m)
0
Net (3m)
$0
Insider trades by month Buys Sells
May
May
Mar
May
Context3-month price +19.8%Institutions accumulating (13F)
DateInsiderTypeSharesPrice
Aug 20, 2026Lovechio Joseph Aofficer: VP and CFOTax638$47.85
Jul 2, 2026Shah Manish HdirectorGrant483—
Jul 1, 2026Watorek Jeffrey J.officer: VP and TreasurerGrant87—
Jul 1, 2026Bolanowski Katherineofficer: General Counsel, VP, SecretaryGrant259—
Jul 1, 2026Lovechio Joseph Aofficer: VP and CFOGrant322—
Jul 1, 2026Catlett Janet Anneofficer: VP, CHROGrant101—
Jul 1, 2026Bosway William Tdirector, officer: President and CEOGrant548—
May 27, 2026Bosway William Tdirector, officer: President and CEOBuy19,735$37.44
May 22, 2026Bolanowski Katherineofficer: General Counsel, VP, SecretaryBuy1,256$35.63
May 22, 2026Bolanowski Katherineofficer: General Counsel, VP, SecretaryBuy144$35.66
May 21, 2026Lovechio Joseph Aofficer: VP and CFOBuy1,000$34.62
May 8, 2026METCALF JAMES SdirectorGrant3,059$37.59
May 8, 2026Myers Linda KristinedirectorGrant3,059$37.59
May 8, 2026Shah Manish HdirectorGrant3,059$37.59
May 8, 2026Barberio Mark GdirectorGrant3,059$37.59
May 8, 2026Mizell Gwendolyn GdirectorGrant3,059$37.59
May 8, 2026Nish James BdirectorGrant3,059$37.59
May 8, 2026Pope Atlee ValentinedirectorGrant3,059$37.59
Apr 27, 2026Catlett Janet Anneofficer: VP, CHROTax169$39.57
Apr 10, 2026Shah Manish HdirectorGrant426—
Mar 16, 2026Bosway William Tdirector, officer: President and CEOBuy1,000$41.37
Mar 12, 2026METCALF JAMES SdirectorBuy12,444$40.35
Mar 10, 2026Bosway William Tdirector, officer: President and CEOBuy4,500$38.29
Mar 10, 2026Bosway William Tdirector, officer: President and CEOBuy1,500$39.52
Mar 9, 2026Bolanowski Katherineofficer: General Counsel, VP, SecretaryGrant438—
Mar 9, 2026Catlett Janet Anneofficer: VP, CHROGrant285—
Mar 9, 2026Lovechio Joseph Aofficer: VP and CFOGrant765—
Mar 9, 2026Watorek Jeffrey J.officer: VP and TreasurerGrant60—
Mar 5, 2026Bolanowski Katherineofficer: General Counsel, VP, SecretaryTax2,601$43.05
Mar 5, 2026Bosway William Tdirector, officer: President and CEOTax30,026$43.05

Source: ROCK SEC Form 4 filings, latest Aug 20, 2026. For informational purposes only — not investment advice.

Institutional activity (13F)

How institutions changed their ROCK positions over the last 6 months (SEC Form 13F).

Increased
183
New positions
92
Reduced
151
Sold out
36
Largest moves
InstitutionActionSharesFiled
BLACKROCK, INC.Increased5.0MMay 13, 2026
BlackRock, Inc.Reduced4.9MAug 7, 2026
FMR LLCIncreased4.4MAug 13, 2026
FMR LLCIncreased4.4MMay 15, 2026
ALLIANCEBERNSTEIN L.P.Increased2.2MAug 14, 2026
ALLIANCEBERNSTEIN L.P.Increased2.2MMay 15, 2026
DIMENSIONAL FUND ADVISORS LPIncreased1.7MMay 7, 2026
DIMENSIONAL FUND ADVISORS LPReduced1.5MAug 11, 2026
STATE STREET CORPReduced1.3MMay 15, 2026
VANGUARD CAPITAL MANAGEMENT LLCIncreased1.3MAug 13, 2026
VANGUARD PORTFOLIO MANAGEMENT LLCNew Position1.3MMay 8, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position1.3MMay 15, 2026
VANGUARD PORTFOLIO MANAGEMENT LLCReduced1.3MAug 13, 2026
STATE STREET CORPReduced1.2MAug 7, 2026
BARROW HANLEY MEWHINNEY & STRAUSS LLCIncreased1.2MMay 13, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.

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