Insider Ledger

ROCK insider buying and SEC filings, explained

Gibraltar Industries, Inc. · CIK 912562

Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov

Company profile

Exchanges
Nasdaq
Industry (SIC)
Steel Works, Blast Furnaces & Rolling & Finishing Mills
State of incorporation
DE
Fiscal year end
Dec 31
Former names
GIBRALTAR STEEL CORP

Insider activity in the last 12 months

Bought
$1.6M
Insiders who bought
4
Sold (not marked 10b5-1)
$0
Planned sales (10b5-1)
$0

Insider purchases and sales, last 12 months

TradedTypeWhat was filedSource
May 26, 2026Purchase (code P)William T Bosway (CEO and Director) bought 19,735 shares at about $37.44 ($739K), reported as a purchase (code P). Holdings up 9% to 250,320 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed May 27, 2026
May 21, 2026Purchase (code P)Katherine Bolanowski (General Counsel, VP, Secretary) bought 1,400 shares at about $35.63 ($50K), reported as a purchase (code P). Holdings up 9% to 17,389 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed May 22, 2026
May 20, 2026Purchase (code P)Joseph A Lovechio (CFO) bought 1,000 shares at $34.62 ($35K), reported as a purchase (code P). Holdings up 8% to 13,390 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed May 21, 2026
Mar 13, 2026Purchase (code P)William T Bosway (CEO and Director) bought 1,000 shares at $41.37 ($41K), reported as a purchase (code P). Holdings up <1% to 230,585 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Mar 16, 2026
Mar 10, 2026Purchase (code P)James S. Metcalf (Director) bought 12,444 shares at about $40.35 ($502K), reported as a purchase (code P). Holdings up 407% to 15,500 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Mar 12, 2026
Mar 9–10, 2026Purchase (code P)William T Bosway (CEO and Director) bought 6,000 shares between Mar 9 and Mar 10 at about $38.60 ($232K), reported as a purchase (code P). Holdings up 3% to 229,585 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Mar 10, 2026

49 routine transactions (such as grants, option exercises or tax withholding) are not listed.

Cluster buys

3 insiders bought in 30 days

$823K in purchases since May 20, 2026 · Purchases traded May 20, 2026 to May 26, 2026 · Closed

InsiderValueTradedSource
Joseph A Lovechio (CFO)$35KMay 20, 2026SEC filing
Katherine Bolanowski (General Counsel, VP, Secretary)$50KMay 21, 2026SEC filing
William T Bosway (CEO)$739KMay 26, 2026SEC filing

2 insiders bought in 30 days

$775K in purchases since Mar 10, 2026 · Purchases traded Mar 10, 2026 to Mar 13, 2026 · Closed

InsiderValueTradedSource
William T Bosway (CEO)$232KMar 10, 2026SEC filing
James S. Metcalf (Director)$502KMar 10, 2026SEC filing
William T Bosway (CEO)$41KMar 13, 2026SEC filing

Red flags

No red flags in the last 12 months.

Key events

No key events in the last 12 months.

8-K filings, last 12 months

No 8-K filings in the last 12 months.

Red flags are objective triggers only: the item or form filed, never an opinion.

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