Christian Mulvihill, Chief Financial Officer at Vulcan Infrastructure & Power, bought GREE on Sep 10, 2026

Data as of Oct 16

▲ BUY$100K58,479 shares at $1.71Christian Mulvihill Chief Financial OfficerGREE Vulcan Infrastructure & Power Inc.

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Traded: Sep 10, 2026
Disclosed: Sep 14, 2026
Filed: 4 days after the trade

Form 4s are due within two business days.

Official filing (SEC Form 4) ↗

The price around the disclosure

GREESimilar stocks (S&P 500 (SPY)), rebased to GREE's price on the disclosure day

GREE since disclosure

−28.6%

Similar stocks (SPY) since disclosure

+0.3%

S&P 500 (SPY)

Change in closing price from Sep 14, 2026 (the first trading day on or after disclosure) to Oct 16, 2026. Dividends excluded. Not a return anyone earned.

Our take

⚪ CFO buys $25K+ of own stock — fired on this trade
Not enough evidence · In past tests: 3.6 percentage points better than similar stocks over 3 months · 2,178 tries
⚪ CFO buys $25K+ of own liquid stock — fired on this trade
Not enough evidence · In past tests: 2.0 percentage points better than similar stocks over 3 months · 1,426 tries

What this rule is doing with GREE right now

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