Sterling Infrastructure, Inc. insider trading

Every open-market purchase and sale by Sterling Infrastructure, Inc.'s officers, directors and largest shareholders since November 4, 2021, and what the share price did next.

Insider purchases, 5 years $1M 1 trade by 1 insider 3 months later: median +47.8% (+48.3% vs S&P 500) Insider sales, 5 years $153M 44 trades by 6 insiders 3 months later: median +16.3% (+10.9% vs S&P 500)

Insider purchase Insider sale Marker size reflects trade value. Weekly closes adjusted for splits; may be delayed.

Sterling Infrastructure, Inc. insider open-market trades
Date	Insider	Trade	Shares	Price	Value	1M after	3M after	6M after

From insiders' Form 4 filings with the SEC: open-market purchases and sales only (awards, option exercises and shares withheld for tax are excluded), combined to one line per insider per day. "Plan" marks trades the filing says were made under a pre-set Rule 10b5-1 trading plan, which are scheduled in advance. Price changes run from the close on the trade date; hover a figure for the change relative to the S&P 500. Past moves don't predict future ones.

Does following Sterling Infrastructure, Inc.’s insiders pay?

From February 9, 2010 to June 29, 2026, 22 insiders reported 16 open-market purchases and 37 sales not made under a pre-set plan in Sterling Infrastructure, Inc. Twelve months after each purchase was reported, the shares were +10.7% against the S&P 500 on average (median +3.9%), over 15 purchases with a full year of prices; 67% beat the index. After sales, the shares moved +11.2% against the index over 12 months (a negative figure means selling was the right call). That rests on fewer than 20 purchases, too few to read much into. Buying each purchase the day after it was reported, an equal amount each, held 12 months or until that insider reported a sale, would have turned $10,000 on March 28, 2011 into $25,324 by November 2, 2026, +6.2% a year. It held shares 59% of the time; the S&P 500 on those same days, with Treasury bills otherwise, made $37,101 (+8.8% a year), and held throughout $75,759 (+13.9%).

Copying Sterling Infrastructure, Inc.'s insidersS&P 500, same days investedS&P 500, held throughout $10,000 copying every open-market purchase by Sterling Infrastructure, Inc.'s insiders from March 28, 2011, before costs and taxes, marked weekly. Uninvested money earns the Treasury bill rate; the portfolio held shares 59% of the time.

Sterling Infrastructure, Inc.: each insider's record
Insider	Role	Purchases	12 months after their purchases	Beat the S&P 500	Sales	12 months after their sales	Latest report
Wolf Mark D.	General Counsel, Corporate Sec	0	—	—	10	+113.2% (9)	June 29, 2026
Manning Patrick T	Chief Executive Officer	1	−49.2% (1)	0%	8	−38.1% (8)	April 28, 2014
Ballschmiede Ronald A	EVP	0	—	—	4	+32.6% (4)	September 23, 2024
Hemsley Maarten D	Director	0	—	—	3	−41.5% (3)	December 19, 2017
Abernathy John D	Director	0	—	—	2	−47.5% (2)	March 23, 2011
Colombo Anthony F	Exec. VP Operations	2	−18.7% (2)	50%	0	—	November 14, 2012
Cregg Roger A	Director	2	+44.3% (2)	50%	0	—	May 15, 2020
Cutillo Joseph A	Chief Executive Officer	2	+98.7% (2)	100%	0	—	March 4, 2025
Harper Joseph P Jr	Executive Vice President	1	+9.3% (1)	100%	1	−47.5% (1)	November 16, 2012
Harper Joseph P Sr	President & COO	0	—	—	2	−35.9% (2)	December 13, 2011
Manning Brian R	Exec. VP & CBDO	0	—	—	2	−35.2% (2)	November 17, 2011
Varello Paul J	Chief Executive Officer	2	−76.4% (1)	0%	0	—	May 5, 2016
Wadsworth Con L	EVP & Chief Operating Officer	2	+14.3% (2)	100%	0	—	March 9, 2018
Allen James H Jr	Chief Financial Officer	0	—	—	1	−49.2% (1)	March 25, 2011
Davenport Marian M	Director	0	—	—	1	−7.2% (1)	May 23, 2018
Dill Julie	Director	1	+13.8% (1)	100%	0	—	September 10, 2021
Mackenna Peter E	President & CEO	1	−76.4% (1)	0%	0	—	May 15, 2014
Messer Raymond F	Director	1	+58.6% (1)	100%	0	—	March 23, 2020
O'brien Dana C.	Director	0	—	—	1	+61.1% (1)	December 19, 2024
Prochnow Elizabeth D	EVP & Chief Financial Officer	1	+3.9% (1)	100%	0	—	March 20, 2012
Scott Milton L	Director	0	—	—	1	+8.4% (1)	June 22, 2017
Steadman David Ra	Director	0	—	—	1	−43.3% (1)	May 13, 2010

Moves are the shares’ return including dividends minus the S&P 500’s, from the close on the first trading day after each report; the number of trades with a finished 12-month window is in brackets. Green means the trade went the insider’s way (a purchase ahead of the index, a sale followed by the shares trailing it). A trade reported both by a director or officer and by a fund or company they are linked to counts once here, under the person. Purchases count only where the share price actually traded was at least $5. These figures describe what the shares did, not why anyone traded. Insiders across all companies.

When several insiders traded Sterling Infrastructure, Inc.

Months when 2 or more insiders became net buyers, or 3 or more net sellers, of Sterling Infrastructure, Inc. in reports dated in the 91 days before the month end, and how the stock did against the S&P 500 from that month end. After the 3 buying crowds with six months of prices, it averaged +7.1% against the index. After 2 selling crowds, −17.1%. One company's history is too short to judge by; the test across every company is the better guide.

Month	Crowd	3 months on, vs S&P 500	6 months	12 months
May 29, 2020	2 buying	+43.2%	+61.7%	+108.4%
May 30, 2014	2 buying	−10.9%	−35.6%	−68.9%
November 30, 2012	2 buying	+18.3%	−4.9%	−0.5%
December 30, 2011	3 selling	−22.8%	−14.0%	−26.9%
March 31, 2011	4 selling	−18.4%	−20.2%	−50.7%

Colours show whether the crowd was right: green when buyers were followed by a rise above the index, or sellers by a fall below it. Total returns from the month end; past patterns are not a forecast.

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