Form 4: Shimmick Director Sells Shares Under 10b5-1 Plan

Shimmick Corp Director and 10% owner Mitchell B. Goldsteen sold 25,206 shares of common stock in late August 2025 under a pre-arranged 10b5-1 trading plan.

Summary

• Mitchell B. Goldsteen, a Director and 10% owner of Shimmick Corp (SHIM), executed sales of common stock.
• Transactions occurred on August 28, 2025, and August 29, 2025.
• A total of 25,206 shares of common stock were sold across two transactions.
• The sales were conducted pursuant to a Rule 10b5-1 sales plan adopted by Mr. Goldsteen on August 20, 2024.
• The weighted average sale price for the August 28, 2025 transaction was $3.18 per share, with prices ranging from $3.08 to $3.28.
• The weighted average sale price for the August 29, 2025 transaction was $2.96 per share, with prices ranging from $2.80 to $3.15.
• Following these reported transactions, Mr. Goldsteen beneficially owns 21,099,873 shares indirectly through GOHO, LLC, where he is the sole managing member.

Sentiment

Score: 5

Explanation: The sales were conducted under a pre-arranged 10b5-1 plan, which mitigates the negative signal typically associated with insider selling, suggesting a planned liquidity event rather than a reaction to new negative information. The slight decline in sale price between the two dates is noted but not a strong negative signal in this context.

Positives

• The sales were executed under a pre-arranged Rule 10b5-1 sales plan, indicating a planned liquidity event rather than a reaction to new negative information about the company.

Negatives

• Insider selling by a director and 10% owner, even if pre-planned, can sometimes be perceived as a negative signal by the market.
• The weighted average sale price for the second transaction on August 29, 2025 ($2.96), was lower than the first transaction on August 28, 2025 ($3.18).

Future Outlook

No forward-looking statements or guidance are provided in this Form 4 filing, which is purely transactional.

Industry Context

This filing is a company-specific insider transaction report and does not provide information directly related to broader industry trends or competitors.

Related Party Transactions

• Mitchell B. Goldsteen owns 21,099,873 shares indirectly through GOHO, LLC, of which he is the sole managing member. He disclaims beneficial ownership of these securities, except to the extent of any pecuniary interest therein.

Stakeholder Impact

• Shareholders may view insider selling, even if pre-planned, with scrutiny, potentially leading to questions about management's long-term conviction.
• The pre-scheduled nature of the sales under a 10b5-1 plan generally reduces the perceived negative impact compared to unscheduled insider sales.

Key Dates

Recommendation

The insider sales were conducted under a pre-arranged 10b5-1 plan, indicating a planned liquidity event rather than a reaction to new company-specific information. While insider selling can sometimes be a negative signal, the pre-scheduled nature suggests it's not an immediate red flag for the company's prospects. Investors should monitor future filings and company performance for further insights, but this specific transaction does not warrant a strong buy or sell recommendation.

Keywords

Shimmick Corp, SHIM, insider trading, Form 4, stock sale, director, 10% owner, Mitchell B. Goldsteen, 10b5-1 plan