Gibraltar Industries, Inc. (ROCK) Insider Trading

Over the last 3 months, ROCK insiders made 8 open-market buys and 0 sales, a net purchase of $1.6M (SEC Form 4). Multiple insiders bought within days of each other (cluster buying). Over the last 6 months, 182 institutions increased and 184 reduced their position (13F).

Insider Activity

Sentiment
100/100
Buys (3m)
8
Sells (3m)
0
Net (3m)
$1.6M
Insiders buyingCluster buying
Insider trades by month Buys Sells
May
May
Mar
May
Context3-month price -12.6%Institutions mixed (13F)
DateInsiderTypeSharesPrice
May 27, 2026Bosway William Tdirector, officer: President and CEOBuy19,735$37.44
May 22, 2026Bolanowski Katherineofficer: General Counsel, VP, SecretaryBuy144$35.66
May 22, 2026Bolanowski Katherineofficer: General Counsel, VP, SecretaryBuy1,256$35.63
May 21, 2026Lovechio Joseph Aofficer: VP and CFOBuy1,000$34.62
May 8, 2026Barberio Mark GdirectorGrant3,059$37.59
May 8, 2026Pope Atlee ValentinedirectorGrant3,059$37.59
May 8, 2026METCALF JAMES SdirectorGrant3,059$37.59
May 8, 2026Mizell Gwendolyn GdirectorGrant3,059$37.59
May 8, 2026Nish James BdirectorGrant3,059$37.59
May 8, 2026Myers Linda KristinedirectorGrant3,059$37.59
May 8, 2026Shah Manish HdirectorGrant3,059$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 CEOBuy1,500$39.52
Mar 10, 2026Bosway William Tdirector, officer: President and CEOBuy4,500$38.29
Mar 9, 2026Bolanowski Katherineofficer: General Counsel, VP, SecretaryGrant438—
Mar 9, 2026Watorek Jeffrey J.officer: VP and TreasurerGrant60—
Mar 9, 2026Lovechio Joseph Aofficer: VP and CFOGrant765—
Mar 9, 2026Catlett Janet Anneofficer: VP, CHROGrant285—
Mar 5, 2026Bosway William Tdirector, officer: President and CEOTax30,026$43.05
Mar 5, 2026Bolanowski Katherineofficer: General Counsel, VP, SecretaryTax2,601$43.05
Mar 5, 2026Catlett Janet Anneofficer: VP, CHROTax3,246$43.05
Mar 5, 2026Watorek Jeffrey J.officer: VP and TreasurerTax2,962$43.05
Mar 4, 2026Bosway William Tdirector, officer: President and CEOGrant27,801—
Mar 4, 2026Watorek Jeffrey J.officer: VP and TreasurerGrant1,307—
Mar 4, 2026Lovechio Joseph Aofficer: VP and CFOTax379$43.83
Mar 4, 2026Bolanowski Katherineofficer: General Counsel, VP, SecretaryTax286$43.83
Mar 4, 2026Catlett Janet Anneofficer: VP, CHROTax268$43.83

Source: ROCK SEC Form 4 filings, latest May 27, 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
182
New positions
61
Reduced
184
Sold out
101
Largest moves
InstitutionActionSharesFiled
BLACKROCK, INC.Increased5.0MMay 13, 2026
BLACKROCK, INC.Reduced5.0MFeb 12, 2026
FMR LLCIncreased4.4MMay 15, 2026
FMR LLCIncreased3.7MFeb 17, 2026
VANGUARD GROUP INCReduced2.9MJan 29, 2026
ALLIANCEBERNSTEIN L.P.Increased2.2MMay 15, 2026
ALLIANCEBERNSTEIN L.P.Increased1.7MFeb 17, 2026
DIMENSIONAL FUND ADVISORS LPIncreased1.7MMay 7, 2026
DIMENSIONAL FUND ADVISORS LPIncreased1.7MFeb 12, 2026
STATE STREET CORPIncreased1.4MFeb 13, 2026
STATE STREET CORPReduced1.3MMay 15, 2026
VANGUARD PORTFOLIO MANAGEMENT LLCNew Position1.3MMay 8, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position1.3MMay 15, 2026
BARROW HANLEY MEWHINNEY & STRAUSS LLCIncreased1.2MMay 13, 2026
BARROW HANLEY MEWHINNEY & STRAUSS LLCIncreased986KFeb 11, 2026

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

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