This is a routine, pre-planned sale under a 10b5-1 plan with no new directional signal. The pattern of monthly 107,500-share sales is well-established and should not be read as insider concern. Monitor for any deviation from this cadence or an unexpected acceleration, which could signal a change in sentiment.
Price Chart
Executive Summary
David A. Duffield, Workday's co-founder and a 10% stockholder, filed a Form 144 on June 9, 2026, indicating intent to sell 107,500 shares of common stock, valued at approximately $15.5 million based on the filing date. This is part of a pre-arranged 10b5-1 trading plan established on December 2, 2025, and follows a consistent pattern of monthly sales of 107,500 shares since March 2026. The sale is routine and pre-planned, not opportunistic, and represents a small fraction of Duffield's total holdings relative to Workday's $35.5B market cap.
Key Facts
- David A. Duffield (co-founder, 10% stockholder) filed Form 144 to sell 107,500 shares of Workday common stock.
- Estimated proceeds of ~$15.5M based on filing date price.
- Sale is under a 10b5-1 trading plan established on December 2, 2025.
- Duffield has been selling 107,500 shares per month since March 2026 under the same plan.
- Prior sales under the plan: June 4 ($16.1M), June 1 ($16.8M), April 9 ($12.1M), April 6 ($13.9M), March 31 ($13.9M), March 26 ($13.8M), March 23 ($14.7M), March 18 ($14.3M), March 13 ($14.3M), March 10 ($15.3M).
- Workday market cap: $35.5B; sale represents ~0.04% of market cap.
Financial Impact
~$15.5M sale of common stock by co-founder under a pre-existing 10b5-1 plan; immaterial relative to $35.5B market cap.
Risk Factors
- Continued insider selling, even under a plan, may create overhang perception among retail investors.
- If Duffield accelerates or deviates from the 10b5-1 schedule, it could signal a change in outlook.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 144 Filing (Primary) | 0001950047-26-005823 |
| Document: 0001950047-26-005823-index.html | 0001950047-26-005823 |
| Document: 0001950047-26-005823.txt | 0001950047-26-005823 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Aug 27, 2026 5w ago | Press Release | $204.72 $188.60 | ▼ −7.87% | ▼ −8.13% | $186.14 (−9.08%) |
Jul 14, 2026 11w ago | Insider Cluster | $141.82 $175.29 | ▲ +23.60% | ▲ +21.26% | $186.14 (+31.25%) |
Jul 13, 2026 11w ago | Insider Cluster | $144.87 $184.19 | ▲ +27.14% | ▲ +23.96% | $186.14 (+28.49%) |
Jul 7, 2026 12w ago | Insider Cluster | $137.88 $170.64 | ▲ +23.76% | ▲ +20.48% | $186.14 (+35.00%) |
Jul 7, 2026 12w ago | Insider Cluster | $143.65 $165.05 | ▲ +14.90% | ▲ +13.57% | $186.14 (+29.58%) |
Jun 25, 2026 14w ago | 144 | $124.21 $127.87 | ▲ +2.95% | ▲ +1.69% | $186.14 (+49.86%) |
Jun 22, 2026 14w ago | 144 | $115.13 $147.22 | ▲ +27.87% | ▲ +26.71% | $186.14 (+61.68%) |
Jun 13, 2026 15w ago | Institutional Cluster | $129.60 $144.87 | ▼ −11.78% | ▼ −12.53% | $186.14 (−43.63%) |
Jun 12, 2026 16w ago | 144 | $129.60 $144.87 | ▲ +11.78% | ▲ +12.53% | $186.14 (+43.63%) |
Jun 9, 2026 16w ago | 144 | $137.47 $138.34 | ▲ +0.63% | ▼ −2.99% | $186.14 (+35.40%) |
US Market Status
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