Workday Founder David Duffield Has Sold $4.05 Billion in WDAY Stock — $52M More in Latest Round

Workday founder David A. Duffield has sold another $52.24 million in WDAY stock across 13 transactions, pushing his career insider selling total to an almost incomprehensible $4.045 billion. That's the largest career insider selling program by a single individual that we've identified.

Six other Workday insiders sold alongside him, bringing total insider selling to $61.46 million in this round alone.

Seven Insiders, $61.5M

Insider	Title	Transactions	Recent Value	Career Sales	Shares After
David A. Duffield	Founder	13	$52.24M	$4,045.1M	105,049
Robert Enslin	President, CCO	4	$4.66M	$4.7M	106,330
Gerrit Kazmaier	President, Product & Tech	7	$2.22M	$2.2M	105,167
Zane Rowe	Chief Financial Officer	5	$1.25M	$51.1M	159,158
Carl Eschenbach	CEO	1	$0.66M	$159.8M	17,097
Richard Sauer	Chief Legal Officer	1	$0.24M	$27.8M	85,398
Mark Garfield	Chief Accounting Officer	1	$0.20M	$6.3M	35,336
Total: 7 insiders			$61.46M	$4,297M

$4.045 Billion: The Number That Defies Comprehension

David Duffield's $4.045 billion in career insider sales is staggering by any standard:

• $4.045 billion — more than the GDP of some small nations
• Workday's market cap: ~$65 billion — Duffield has sold ~6.2% of the entire company's current value
• 105,049 shares retained — worth approximately $28 million at current prices
• Selling ratio: 145:1 — he's sold 145x the value of his current position

Duffield, who also founded PeopleSoft before Oracle's hostile takeover, has been selling Workday stock systematically since the company's 2012 IPO. His selling has never wavered through up markets and down — a conveyor belt converting equity into cash that has operated for over a decade.

CEO Eschenbach: $159.8M Career, 17,097 Shares

Current CEO Carl Eschenbach has his own notable selling history: $159.8 million in career sales with just 17,097 shares remaining (~$4.6M). That's a 35:1 selling ratio — extraordinary for a sitting CEO. His $660K sale in this round is modest, but the career context tells the real story.

CFO Rowe: $51.1M Career

CFO Zane Rowe has sold $51.1M in career WDAY stock, retaining 159,158 shares (~$43M). The finance chief's selling is notable but at least he maintains a reasonably sized position relative to his sales.

Combined Career: $4.3 Billion

These seven insiders have collectively sold $4.297 billion in WDAY stock. That figure is almost entirely driven by Duffield's $4.045 billion, but CEO Eschenbach's $159.8M and CFO Rowe's $51.1M are significant in their own right.

For Workday investors, Duffield's selling is the longest-running and largest insider selling program in enterprise software. The consistency — selling every quarter, year after year, regardless of valuation — means the selling itself carries limited signal about near-term stock direction. But it does mean that the founder's economic stake in Workday's future is now approximately $28 million — a rounding error relative to the $4 billion he's already collected.