SHIM · NASDAQ · Engineering & Construction

Shimmick

Builds turnkey water and public-infrastructure projects for public-sector customers.

$3.99
After-hours close+0.02 (+0.50%)
At close$3.97(−0.50%)

Breakdown13F · Form 4

Institutions 5.42%2.22M sharesInsiders 53.89%22.09M sharesOther 40.69%16.67M shares

Shares outstanding 40.99M · Float 4.39M · 10.7% free float

Top shareholders13F · 13D/G · Form 4

HolderShares% outstandingFormFiled
Mitchell B. Goldsteen20.97M57.80%13GMay 15, 2026
Aecom7.75M18.70%13DAug 12, 2026
Sanders Morris Harris LLC758.4K1.85%13FApr 9, 2026
Pacific Ridge Capital Partners, LLC439.8K1.07%13FMay 11, 2026
SEI Investments Co246.8K0.60%13FMay 13, 2026

Institutions13F, as of Mar 31, 2026

23 holders · 2.22M shares · 11 new positions · 18 increased · 3 reduced · 3 closed

HolderShares% outstandingChg q/qFiled
Sanders Morris Harris LLC758.4K1.85%+758.4KApr 9, 2026
Pacific Ridge Capital Partners, LLC439.8K1.07%+9.7KMay 11, 2026
SEI Investments Co246.8K0.60%+222.1KMay 13, 2026
1492 Capital Management LLC149.8K0.37%+47.2KApr 22, 2026
Eam Investors, LLC138.5K0.34%+138.5KnewMay 13, 2026
Thompson Davis & Co., Inc.125.5K0.31%+778Apr 16, 2026
Geode Capital Management, LLC85.1K0.21%+16.5KMay 15, 2026
Vanguard Capital Management LLC61.2K0.15%+61.2KnewMay 15, 2026

Beneficial owners13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
Mitchell B. Goldsteen57.80%20.97M13GMay 15, 2026
Aecom18.70%7.75M13DAug 12, 2026

InsidersForm 4

InsiderRoleShares% outstandingFiled
Mitchell B. Goldsteendirector, 10 percent owner: 20.97M51.18%Mar 20, 2026
Joseph del Guerciodirector224.6K0.55%Jun 4, 2026
Geoffrey E. Heekindirector209.4K0.51%Jun 4, 2026
Peter Kravitzdirector184.9K0.45%Jun 4, 2026
Ural Yaldirector, officer: Chief Executive Officer173.2K0.42%Dec 4, 2025
J. Brendan Herrondirector155.8K0.38%Jun 5, 2025
Carolyn Trabucodirector96.0K0.23%Jun 5, 2025
Todd Wilbur Yoderofficer: Chief Financial Officer52.1K0.13%Apr 16, 2026
Sarah Beth Tackerofficer: Chief Operating Officer18.1K0.04%Jun 2, 2026

1 ten-percent owner holds 7.75M shares by Form 4, outside the officers-and-directors figure above · 2 people have not refiled in the last 18 months (285.7K shares), so they are not in the figure above

Latest trades

DateInsiderTypeSharesAvg priceOwned after
Mar 17, 2026
Mitchell B. Goldsteendirector, 10 percent owner:
Sale125,000$2.8620,974,873
Aug 21, 2025
Todd Wilbur Yoderofficer: Chief Financial Officer
Purchase2,000$2.802,000
Aug 29, 2025
Mitchell B. Goldsteendirector, 10 percent owner:
Sale14,706$2.9621,099,873
Aug 28, 2025
Mitchell B. Goldsteendirector, 10 percent owner:
Sale10,500$3.1821,114,579

CongressHouse and Senate disclosures

Not reported.