SEC Filing Analysis: MACOM Technology Solutions Holdings, Inc. (MTSI)

Executive Summary

• Trading Significance: High
• Key Takeaway: While this specific Form 144 filing for a $13.9M sale is minor on its own, it is part of a significant and sustained selling pattern by insider Susan Ocampo, who has disposed of over $102 million in MTSI stock in the last three months.
• Market Impact: The cumulative selling from this insider is material, representing over 0.6% of shares outstanding. This sustained disposition could be perceived negatively by the market as significant profit-taking by a knowledgeable owner.

Company Information

Field	Value
Company	MACOM Technology Solutions Holdings, Inc.
Ticker Symbol	MTSI
CIK	0001493594
Industry	SEMICONDUCTORS & RELATED DEVICES [3674]

Insider Information

Field	Value
Name	OCAMPO SUSAN
CIK	0001252243
Title/Position	null
Relationship	Owner

Transaction Details

Field	Value
Form Type	144 (Notice of Proposed Sale)
Transaction Date	2026-02-12 (Approximate)
Transaction Code	S (Sale)
Security Type	Common Stock
Shares Involved	57,827
Price Per Share	~$240.31 (Implied)
Total Value	$13,897,142
Shares Owned After	Not Available
Ownership Type	Indirect (Trust)

Financial Impact Assessment

Transaction Materiality (This Filing)

Metric	Value
Transaction Value	$13,897,142
% of Market Cap	0.079%
Shares Transacted	57,827
% of Shares Outstanding	0.077%
Materiality Assessment	Low (in isolation)

Cumulative Transaction Materiality (Last 3 Months)

Metric	Value
Total Value Sold	~$102.6 Million
Total Shares Sold	500,000
% of Shares Outstanding	0.67%
Materiality Assessment	Highly Significant

Impact Evaluation

• Market Cap Context: While a single $13.9M sale is negligible for a $17.69 billion company, the cumulative selling of over $102M in a single quarter by one insider is a notable event.
• Ownership Concentration: The filings indicate a systematic reduction of a large position held in a trust. The total size of the insider's remaining holdings is not specified.
• Transaction Significance: The significance is rated 'High' not because of this individual filing, but due to the clear pattern of large-scale dispositions over the past 90 days, which exceeds the 0.5% of shares outstanding threshold for high materiality.

Market Impact Analysis

Stock Impact Prediction

• Direction: Neutral to Negative
• Reasoning: A single, small sale would be neutral. However, a sustained pattern of selling over $100M worth of stock by an insider can create an overhang on the stock and may be interpreted by the market as a bearish signal, suggesting the insider sees limited near-term upside or is de-risking their position.

Volume & Sentiment

• Expected Volume Impact: The cumulative selling adds a significant source of supply to the market, although it is spread over several months.
• Sentiment Indicator: Bearish. Consistent, large-scale selling by an insider is typically viewed as a negative indicator, regardless of the stated reason.

Investment Insights

Positive Market Indicators

• None identified in this filing.

Risk Factors

• Sustained Insider Selling: The most significant risk factor is the clear pattern of high-volume selling by a key owner, which could signal a lack of confidence in the company's future stock performance.
• Signal of Peak Valuation?: Such large-scale profit-taking could be interpreted as the insider believing the stock is fully or over-valued.

Key Takeaways

1. An insider, Susan Ocampo, is systematically liquidating a large position in MTSI.
2. Over the last three months, this insider has sold approximately 500,000 shares for over $102 million.
3. This latest filing for a $13.9M sale continues this highly significant selling trend, which investors should monitor closely.

Additional Context

Transaction Notes

• Pattern of Sales: This Form 144 filing must be viewed in the context of the seven separate sale transactions reported in the 'securitiesSoldInPast3Months' section of the filing, which documents the extensive selling activity.
• Trust Account: The shares are held in a trust account where Susan Ocampo is the trustee, indicating an indirect holding.