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

Executive Summary

• Trading Significance: Low
• Key Takeaway: An insider at MACOM Technology Solutions Holdings, Inc. vested 38,591 performance-based restricted stock units (PRSUs) and subsequently disposed of 17,588 shares in non-discretionary transactions to cover tax obligations, resulting in a net acquisition of 21,003 shares.
• Market Impact: Neutral. This is a routine compensation-related event with minimal market impact.

Company Information

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

Insider Information

Field	Value
Name	Hwang Donghyun Thomas
CIK	0001480330
Title/Position	SVP, Global Sales
Relationship	Officer

Transaction Details

This filing reports a stock award vesting and subsequent tax-related dispositions.

Transaction 1: Award Vesting

Field	Value
Transaction Date	2025-11-06
Transaction Code	A (Grant, award, or other acquisition)
Security Type	Common Stock
Shares Involved	38,591
Price Per Share	$0.00
Total Value	$0

Transaction 2: Tax Withholding

Field	Value
Transaction Date	2025-11-06 & 2025-11-08
Transaction Code	F (Payment of tax liability by withholding securities)
Security Type	Common Stock
Shares Involved	17,588 (17,117 + 471)
Average Price Per Share	~$167.08
Total Value	~$2,938,283
Shares Owned After All Transactions	53,456
Ownership Type	Direct

Financial Impact Assessment

Transaction Materiality

Metric	Value
Total Value of Disposed Shares	$2,938,283
% of Market Cap ($12.66B)	0.023%
Total Shares Disposed	17,588
% of Shares Outstanding (74.47M)	0.024%
Post-Transaction Ownership	53,456 shares (0.07% of outstanding)
Materiality Assessment	Low

Impact Evaluation

• Market Cap Context: The total transaction value of ~$2.94 million is negligible, representing only 0.023% of the company's $12.66 billion market capitalization.
• Ownership Concentration: The insider's final holding of 53,456 shares constitutes approximately 0.07% of total shares outstanding, which is not a significant concentration.
• Dilution Impact: The initial vesting of 38,591 shares represents a minor dilution of 0.052% to existing shareholders, which is a routine part of equity compensation plans.
• Transaction Significance: The transactions are classified as low significance. The dispositions (Code 'F') were automatic withholdings to satisfy tax liabilities from vested RSUs and do not reflect a discretionary decision by the insider to sell shares. The net effect was an increase in the insider's holdings.

Market Impact Analysis

Stock Impact Prediction

• Direction: Neutral
• Reasoning: The filing details a standard compensation event. The sales were for tax purposes, not open-market sales, and are therefore not indicative of the insider's sentiment towards the company's future performance.

Volume & Sentiment

• Expected Volume Impact: Minimal. The shares were withheld by the issuer and not sold on the open market, so there is no direct impact on trading volume.
• Sentiment Indicator: Neutral. This type of filing is common and does not typically influence market sentiment.

Key Takeaways

1. The SVP of Global Sales, Hwang Donghyun Thomas, acquired a net total of 21,003 shares of MTSI stock after accounting for shares withheld for taxes.
2. The reported dispositions, valued at ~$2.94 million, were automatic tax withholdings (Code 'F') and not discretionary sales.
3. The overall event has a low trading significance due to its routine nature and small size relative to the company's market capitalization and shares outstanding.