Form 4: Director Sells MACOM Stock

Peter Y. Chung, a Director at MACOM Technology Solutions Holdings, Inc., reported the sale of 43,268 shares of common stock for approximately $378.1992 per share.

Summary

• Peter Y. Chung, a Director of MACOM Technology Solutions Holdings, Inc. (MTSI), has reported a transaction involving the sale of common stock.
• The transaction occurred on May 14, 2026, with shares sold at a weighted average price of $378.1992.
• A total of 43,268 shares were sold.
• The shares were sold in multiple transactions at prices ranging from $377.80 to $379.44.
• Following the sale, 6,781 shares and restricted stock units remain beneficially owned, held for the benefit of Summit Partners, L.P.
• Voting and investment decisions for these remaining shares are managed by Summit Partners, L.P. through an Investment Committee, which includes Peter Y. Chung and Scott C. Collins.

Sentiment

Score: 3

Explanation: StockSavvy.ai views this as a negative sentiment due to a director selling a significant amount of stock, although the remaining holdings and the nature of the ownership structure (via Summit Partners) warrant careful consideration.

Negatives

• Director Peter Y. Chung sold a significant number of shares (43,268) of MACOM Technology Solutions Holdings, Inc. stock.
• The sale represents a reduction in direct beneficial ownership by a company insider.

Future Outlook

No specific future outlook or guidance is provided in this Form 4 filing, which solely reports a past transaction.

Management Comments

• The Reporting Person undertakes to provide to the Issuer, any shareholder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
• Summit Partners, L.P., through a two-person Investment Committee, responsible for voting and investment decisions with respect to the Issuer, currently composed of Scott C. Collins and Peter Y. Chung, has voting and dispositive authority over the shares and restricted stock units reported herein and therefore may be deemed to beneficially own such shares.
• Summit Partners, L.P., Mr. Collins and Mr. Chung disclaim beneficial ownership of the shares of common stock and the restricted stock units, except to the extent of their pecuniary interest therein.

Industry Context

StockSavvy.ai notes that insider selling, particularly by directors, can sometimes be interpreted by the market as a signal of reduced confidence or a belief that the stock may be fully valued, although it can also be for personal financial planning reasons.

Stakeholder Impact

• Shareholders may view the sale by a director as a potential negative signal, possibly impacting short-term stock price sentiment.
• Summit Partners, L.P. retains significant beneficial ownership and control over remaining shares, indicating continued strategic involvement.

Key Dates

Recommendation

While the sale by a director is a negative indicator, the remaining substantial beneficial ownership by Summit Partners, L.P. and the lack of other negative financial or operational news in this filing suggest a 'hold' position is prudent, pending further information.

Keywords

MACOM Technology Solutions Holdings, MTSI, Form 4, Insider Trading, Stock Sale, Director Transaction, Peter Y. Chung, Summit Partners