This is a non-event for traders. The $50K director buy is routine portfolio adjustment for a large-cap utility. No follow-up action warranted — monitor next quarterly earnings for fundamental changes.
Price Chart
Executive Summary
Director William James Ware purchased $50K of ATO stock on the open market at ~$167.59/share. This is a small, isolated insider buy — $50K represents ~0.00017% of ATO's $28.6B market cap, well below the 0.1% materiality threshold. The purchase is too small to signal any material conviction or non-public information, and the historical calibration shows score-6 reports on ATO have a negative net alpha at T+20 (-10.1% loss conditional on loss vs +16.5% gain conditional on win, with only 42% win rate). This is a routine, non-informative insider buy for a large-cap utility.
Key Financial Metrics
Key Facts
- Director William James Ware purchased 300 shares of ATO at $167.59/share for a total of $50,278.35 on 2026-08-11
- The $50K purchase represents approximately 0.00017% of ATO's $28.6B market cap
- This is a single insider buy — not a cluster — and the dollar amount is trivial relative to company size
- ATO has a 37% bullish analyst consensus (2 Strong Buy, 5 Buy, 12 Hold) with no Sell ratings
Financial Impact
$50,278 open-market purchase — immaterial relative to $28.6B market cap
Risk Factors
- Insider buys below 0.1% of market cap are statistically noise and carry no predictive signal
- Historical calibration shows score-6 reports on ATO have underperformed (42% win rate, -10.1% mean loss conditional on loss)
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| INSIDER-BUY Data (Synthetic) | 0000731802-26-000104 |
Track record builds as more directional reports settle.
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Aug 12, 2026 7w ago | Insider Buy | $169.59 $164.81 | ▼ −2.82% | ▼ −0.92% | $157.17 (−7.32%) |
Aug 10, 2026 7w ago | 8-K | $167.92 $168.07 | ▲ +0.09% | ▲ +1.00% | $157.17 (−6.40%) |
Jun 18, 2026 15w ago | 8-K | $170.11 $178.04 | ▲ +4.66% | ▲ +4.13% | $157.17 (−7.61%) |
Jun 15, 2026 15w ago | 424B5 | $169.60 $179.50 | ▲ +5.84% | ▲ +6.59% | $157.17 (−7.33%) |
May 6, 2026 21w ago | 8-K | $180.95 $168.30 | ▼ −6.99% | ▼ −10.13% | $157.17 (−13.14%) |
US Market Status
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