DaVita

Not all insider buys are signal. Here's how to separate informed open-market purchases from option exercises, 10b5-1 noise, and reflexive CEO PR buys.

Trimming a winner is harder than buying one. Here's how to separate thesis decay, valuation stretch, and position-size risk — and act on the right one.

Defined-benefit pensions can rival a company's bonded debt — yet they sit off the balance sheet. Here's how to find the shortfall and which industrials carry it.

A practical framework for placing semiconductors in the cycle using three signals — book-to-bill, lead times, and distributor inventory — and what each really tells you.

A repeatable framework for writing down why you own a stock, what would break the thesis, and when to actually sell — before the news hits and emotion takes over.

A framework for reading Schedule 13D filings, mapping the activist playbook from disclosure to outcome, and deciding whether to follow, fade, or ignore the trade.