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Insider Buy Insider Buy March 20, 2026

Bucella Michael C. purchased ~$301K in Terawulf Inc stock

Terawulf Inc (WULF)  ·  Data via SEC EDGAR Form 4

Verity Signals Research Published Updated

= insider buy date

WULF price after insider trade by Bucella Michael C.

Insider

Bucella Michael C.

Role

Transaction

Open-Market Purchase

Approx. Value

~$301K

Trade Date

Mar 20, 2026

Company

Terawulf Inc

Ticker

WULF

Source

SEC EDGAR Form 4

Very Strong conviction signal

Scored in the top tier across multiple factors. Fewer than 5% of insider trades receive this rating.

~$301K purchase

A meaningful investment of personal capital. The average insider purchase is around $150K, putting this in the typical range for serious positions.

BM

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On March 20, 2026, Bucella Michael C. — a corporate insider at Terawulf Inc — filed a Form 4 with the SEC disclosing an open-market purchase of approximately ~$301K in Terawulf Inc (WULF) stock.

Under Section 16(a) of the Securities Exchange Act of 1934, corporate insiders must report all open-market stock transactions to the SEC within two business days. These filings — known as Form 4s — are publicly available on the SEC's EDGAR database. VeritySignals filters and scores the full Form 4 stream to surface high-conviction signals like this one.

Full Conviction Analysis

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All data sourced from publicly available SEC Form 4 filings via EDGAR · Not financial advice · Past performance does not guarantee future results.

Signal strength Very Strong
Trade size ~$301K
Insider role Insider

What is this?

When company executives buy or sell their own stock, they must report it to the SEC within 2 days. These public filings reveal what the people who know the company best are doing with their own money.

Why does it matter?

Insiders can sell for many reasons (taxes, diversification, expenses), but they generally only buy for one: they think the stock is going up. That's why insider purchases are more predictive than sales.

What makes a trade "strong"?

We score trades on 15+ factors: the insider's role (CEO > director), trade size relative to their salary, whether other insiders also bought (clusters), and historical accuracy of the insider.

Read our full methodology →

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