What are the key takeaways from this Masters in Business episode?

Key insights include: **Tax Diversification:** Spread assets across pretax 401k accounts, after-tax brokerage accounts, and tax-free Roth accounts to create flexibility in retirement, avoiding situations where every withdrawal triggers taxable income at high rates.; **Mega Backdoor Roth:** Contribute up to 70k total to 401k plans in 2025 by adding 30k after-tax contributions beyond standard limits, then converting to Roth for tax-free growth if your employer plan allows this strategy.; **Concentrated Stock Management:** Use direct indexing to harvest tax losses against concentrated equity positions, or employ 351 exchanges to bundle individual stocks into diversified ETFs while deferring capital gains through basis preservation until death.

What did Bill Artzeronian discuss on Masters in Business?

Barry Ritholtz and tax director Bill Artzeronian explain strategies to reduce tax burdens through Roth conversions, equity compensation management, and strategic asset location across different account types. Key topics include: **Tax Diversification:** Spread assets across pretax 401k accounts, after-tax brokerage accounts, and tax-free Roth accounts to create flexibility in retirement, avoiding situations where every withdrawal triggers taxable income at high rates.; **Mega Backdoor Roth:** Contribute up to 70k total to 401k plans in 2025 by adding 30k after-tax contributions beyond standard limits, then converting to Roth for tax-free growth if your employer plan allows this strategy..

How long is this episode of Masters in Business?

This episode is 18 minutes long. SignalCast provides an AI-generated summary so you can get the key insights in about 3 minutes.

Masters in Business

At The Money: Tax Management for Investors

December 31, 2025

18 min episode · 2 min read

Bill Artzeronian

Episode

18 min

Read time

2 min

Topics

Investing, Leadership

AI-Generated Summary

Published Jan 1, 2026

Key Takeaways

✓Tax Diversification: Spread assets across pretax 401k accounts, after-tax brokerage accounts, and tax-free Roth accounts to create flexibility in retirement, avoiding situations where every withdrawal triggers taxable income at high rates.
✓Mega Backdoor Roth: Contribute up to 70k total to 401k plans in 2025 by adding 30k after-tax contributions beyond standard limits, then converting to Roth for tax-free growth if your employer plan allows this strategy.
✓Concentrated Stock Management: Use direct indexing to harvest tax losses against concentrated equity positions, or employ 351 exchanges to bundle individual stocks into diversified ETFs while deferring capital gains through basis preservation until death.

What It Covers

Barry Ritholtz and tax director Bill Artzeronian explain strategies to reduce tax burdens through Roth conversions, equity compensation management, and strategic asset location across different account types.

Key Questions Answered

•Tax Diversification: Spread assets across pretax 401k accounts, after-tax brokerage accounts, and tax-free Roth accounts to create flexibility in retirement, avoiding situations where every withdrawal triggers taxable income at high rates.
•Mega Backdoor Roth: Contribute up to 70k total to 401k plans in 2025 by adding 30k after-tax contributions beyond standard limits, then converting to Roth for tax-free growth if your employer plan allows this strategy.
•Concentrated Stock Management: Use direct indexing to harvest tax losses against concentrated equity positions, or employ 351 exchanges to bundle individual stocks into diversified ETFs while deferring capital gains through basis preservation until death.

Notable Moment

Artzeronian reveals that employees receiving stock compensation often face surprise tax bills because they psychologically register cash income but not equity vesting, leading to underpayment and April shocks on RSU income.

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Episode Transcript

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