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

Executive Summary

• Trading Significance: Low
• Key Takeaway: A Senior Vice President vested previously awarded performance-based stock units and automatically sold a portion to cover the associated tax liability. This is a routine, non-discretionary event.
• Market Impact: The transactions are immaterial relative to the company's market capitalization and are unlikely to influence the stock price.

Company Information

Field	Value
Company	MACOM Technology Solutions Holdings, Inc.
Ticker Symbol	MTSI
CIK	0001493594
Industry	Semiconductors & Related Devices

Insider Information

Field	Value
Name	Struble Wayne Mack
CIK	0001987730
Title/Position	SVP, Advanced Semiconductor
Relationship	Officer

Transaction Details

This filing reports three related transactions: one award vesting and two subsequent disposals to cover taxes.

Field	Transaction 1 (Award)	Transaction 2 (Tax Sale)	Transaction 3 (Tax Sale)
Form Type	4	4	4
Transaction Date	2025-11-06	2025-11-06	2025-11-08
Transaction Code	A (Award)	F (Tax Withholding)	F (Tax Withholding)
Security Type	Common Stock	Common Stock	Common Stock
Shares Involved	20,988 (Acquired)	8,962 (Disposed)	454 (Disposed)
Price Per Share	$0.00	$166.92	$170.03
Total Value	$0	$1,496,013.04	$77,193.62
Shares Owned After	38,800	29,838	29,384
Ownership Type	Direct	Direct	Direct

Financial Impact Assessment

Transaction Materiality

The most significant transaction by value is the $1.5M tax sale. The initial award had an implied value of approximately $3.5M (20,988 shares * $166.92).

Metric	Value
Total Value of Disposals	$1,573,206.66
% of Market Cap	0.0124%
Total Shares Disposed	9,416
% of Shares Outstanding	0.0126%
Post-Transaction Ownership	29,384 shares (0.039% of outstanding)
Materiality Assessment	Low

Impact Evaluation

• Market Cap Context: With a market capitalization of $12.66 billion, the total transaction value of ~$1.57M is negligible, representing just over 0.01% of the company's value.
• Ownership Concentration: The insider's post-transaction holding of 29,384 shares constitutes a very small portion (0.039%) of the total shares outstanding, indicating low ownership concentration from this individual.
• Dilution Impact: The vesting of 20,988 shares represents a minor dilution of 0.028% to existing shareholders, which is a routine part of equity compensation plans for a company of this size.
• Transaction Significance: The transactions are classified as having low significance. The disposals are coded 'F', indicating they were automatic sales to cover tax liabilities from vested stock awards, not discretionary sales based on the insider's market outlook.

Market Impact Analysis

Stock Impact Prediction

• Direction: Neutral
• Reasoning: These are standard, non-discretionary transactions related to employee compensation. They do not signal a change in the insider's confidence in the company and are too small to have a market impact.

Volume & Sentiment

• Expected Volume Impact: None. The transactions are not open-market trades and are immaterial in size.
• Sentiment Indicator: Neutral. The market generally understands that 'F' code transactions are for tax purposes and do not reflect negative insider sentiment.

Additional Context

Transaction Notes

• Special Circumstances: The filing clearly outlines the nature of the transactions in its footnotes. The acquisition (Code A) was the vesting of Performance-Based Restricted Stock Units (PRSUs), and the disposals (Code F) were shares withheld by the issuer to satisfy tax obligations upon vesting.