Form 4: MACOM Director Sells $28M in Stock Under 10b5-1 Plan

MACOM Technology Solutions Holdings Director and 10% owner Susan Ocampo sold approximately $28 million worth of common stock through pre-planned transactions.

Summary

• Susan Ocampo, a Director and 10% owner of MACOM Technology Solutions Holdings, Inc. (MTSI), reported sales of common stock.
• On October 7, 2025, 62,476 shares were sold at a weighted average price of $133.22 per share, totaling approximately $8,324,997.
• On October 8, 2025, an additional 150,000 shares were sold at a weighted average price of $133.03 per share, totaling approximately $19,954,500.
• The total value of shares sold across both transactions is approximately $28,279,497.
• These transactions were executed pursuant to a Rule 10b5-1 pre-planned trading arrangement.
• Following the transactions, Ocampo's indirect beneficial ownership includes 3,159,710 shares held by trusts for her children, 4,416,954 shares by Ocampo Family Trusts, and 1,500,000 shares by a GRAT.

Sentiment

Score: 4

Explanation: The sentiment is moderately negative due to significant insider selling by a key individual. While the 10b5-1 plan mitigates some of the immediate concerns, the sheer volume of shares sold by a Director and 10% owner still represents a reduction in insider alignment and could signal a belief that the stock is fully valued.

Positives

• The stock sales were conducted under a Rule 10b5-1 trading plan, indicating they were pre-scheduled and not based on recent material non-public information, which can mitigate negative market perception.

Negatives

• A Director and 10% owner, Susan Ocampo, sold a significant amount of common stock, totaling approximately $28.28 million, which could be interpreted by the market as a lack of conviction or a belief that the stock is fully valued.
• The sales reduce the insider's overall beneficial ownership and alignment with common shareholders.

Risks

• Significant insider selling, even under a 10b5-1 plan, can sometimes signal to investors that the stock may be approaching a peak or that insiders perceive limited upside potential.
• A reduction in insider ownership could lead to decreased investor confidence if not adequately explained by personal financial planning or diversification needs.

Industry Context

This insider transaction is specific to MACOM Technology Solutions Holdings and does not directly reflect broader industry trends, though significant insider sales can sometimes influence sector-specific investor sentiment.

Stakeholder Impact

• Shareholders may interpret the significant insider selling as a signal of reduced confidence or a belief that the stock is fully valued, potentially impacting investor sentiment and share price.
• The reduction in beneficial ownership by a Director and 10% owner could lead to questions about long-term alignment with shareholder interests.

Key Dates

Recommendation

While the sales were executed under a Rule 10b5-1 plan, mitigating the immediate negative implications of an unplanned insider sale, the substantial volume of stock sold by a Director and 10% owner warrants caution. Investors should 'hold' and monitor future insider activity and company fundamentals, as such a large sale could indicate that the insider believes the stock is adequately valued, even if not necessarily overvalued. It suggests a need for further analysis rather than an immediate 'buy' or 'sell' action based solely on this filing.

Keywords

MACOM Technology Solutions Holdings, MTSI, Insider Sale, Form 4, Susan Ocampo, Stock Transaction, 10b5-1 Plan, Director, Beneficial Ownership