DUFFIELD DAVID A
In the last 12 months, DUFFIELD DAVID A filed 271 SEC Form 4 transactions across 1 issuer: $0 in open-market purchases and $497.4M in open-market sales. 43% of these transactions were executed under a pre-scheduled Rule 10b5-1 trading plan.
- $0Open-market buys (1y)
- $497.4MOpen-market sells (1y)
- 271Transactions filed
- 1Distinct issuers
- 43%Under Rule 10b5-1
- 2026-09-15Latest filing
Issuers Filed For By open-market buy volume
Recent Form 4 Filings Most recent 75 of 271 (1-year window)
| Date | Ticker | Company | Type | SEC Code | Value | Shares | Price |
|---|---|---|---|---|---|---|---|
| 2026-09-15 | WDAY | Workday, Inc. | Other | C | $0 | 96,545 | $0.0 |
| 2026-09-15 | WDAY | Workday, Inc. | Other | C | $0 | 96,545 | $0.0 |
| 2026-09-15 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $4.8M | 25,163 | $190.7 |
| 2026-09-15 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $3.4M | 17,487 | $191.6 |
| 2026-09-15 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $5.0M | 26,152 | $192.7 |
| 2026-09-15 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $4.6M | 23,875 | $193.6 |
| 2026-09-15 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $751.9K | 3,868 | $194.4 |
| 2026-09-10 | WDAY | Workday, Inc. | Other | C | $0 | 100,780 | $0.0 |
| 2026-09-10 | WDAY | Workday, Inc. | Other | C | $0 | 100,780 | $0.0 |
| 2026-09-10 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $5.1M | 27,883 | $184.3 |
| 2026-09-10 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $4.4M | 23,551 | $185.0 |
| 2026-09-10 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $4.6M | 24,465 | $186.3 |
| 2026-09-10 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $4.2M | 22,388 | $187.0 |
| 2026-09-10 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $468.1K | 2,493 | $187.7 |
| 2026-09-04 | WDAY | Workday, Inc. | Other | C | $0 | 90,615 | $0.0 |
| 2026-09-04 | WDAY | Workday, Inc. | Other | C | $0 | 90,615 | $0.0 |
| 2026-09-04 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $2.7M | 13,666 | $195.8 |
| 2026-09-04 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $1.2M | 6,241 | $196.7 |
| 2026-09-04 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $6.3M | 31,605 | $198.1 |
| 2026-09-04 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $6.0M | 30,048 | $198.9 |
| 2026-09-04 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $1.5M | 7,631 | $199.9 |
| 2026-09-04 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $44.9K | 224 | $200.6 |
| 2026-09-04 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $121.0K | 600 | $201.8 |
| 2026-09-04 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $122.4K | 600 | $204.1 |
| 2026-09-01 | WDAY | Workday, Inc. | Other | C | $0 | 94,961 | $0.0 |
| 2026-09-01 | WDAY | Workday, Inc. | Other | C | $0 | 94,961 | $0.0 |
| 2026-09-01 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $796.6K | 4,036 | $197.4 |
| 2026-09-01 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $7.3M | 36,729 | $198.3 |
| 2026-09-01 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $7.0M | 35,196 | $199.0 |
| 2026-09-01 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $960.7K | 4,800 | $200.1 |
| 2026-09-01 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $825.7K | 4,100 | $201.4 |
| 2026-09-01 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $384.8K | 1,901 | $202.4 |
| 2026-09-01 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $1.3M | 6,199 | $203.4 |
| 2026-09-01 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $388.1K | 1,900 | $204.3 |
| 2026-09-01 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $20.5K | 100 | $204.9 |
| 2026-07-09 | WDAY | Workday, Inc. | Other | C | $0 | 107,500 | $0.0 |
| 2026-07-09 | WDAY | Workday, Inc. | Other | C | $0 | 107,500 | $0.0 |
| 2026-07-09 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $182.9K | 1,400 | $130.6 |
| 2026-07-09 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $237.7K | 1,800 | $132.1 |
| 2026-07-09 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $226.3K | 1,700 | $133.1 |
| 2026-07-09 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $67.0K | 500 | $134.0 |
| 2026-07-09 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $1.9M | 14,299 | $135.5 |
| 2026-07-09 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $3.8M | 27,858 | $136.4 |
| 2026-07-09 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $5.4M | 39,133 | $137.2 |
| 2026-07-09 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $2.9M | 20,710 | $138.3 |
| 2026-07-09 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $13.9K | 100 | $139.0 |
| 2026-07-06 | WDAY | Workday, Inc. | Other | C | $0 | 107,500 | $0.0 |
| 2026-07-06 | WDAY | Workday, Inc. | Other | C | $0 | 107,500 | $0.0 |
| 2026-07-06 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $273.4K | 2,106 | $129.8 |
| 2026-07-06 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $1.8M | 13,550 | $130.8 |
| 2026-07-06 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $1.5M | 11,348 | $131.8 |
| 2026-07-06 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $1.1M | 7,953 | $132.7 |
| 2026-07-06 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $331.8K | 2,476 | $134.0 |
| 2026-07-06 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $955.8K | 7,098 | $134.7 |
| 2026-07-06 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $464.0K | 3,417 | $135.8 |
| 2026-07-06 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $2.2M | 15,869 | $136.9 |
| 2026-07-06 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $6.0M | 43,583 | $137.7 |
| 2026-07-06 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $13.8K | 100 | $138.3 |
| 2026-06-30 | WDAY | Workday, Inc. | Other | C | $0 | 107,500 | $0.0 |
| 2026-06-30 | WDAY | Workday, Inc. | Other | C | $0 | 107,500 | $0.0 |
| 2026-06-30 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $732.0K | 6,100 | $120.0 |
| 2026-06-30 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $2.0M | 16,870 | $121.1 |
| 2026-06-30 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $6.5M | 53,176 | $122.2 |
| 2026-06-30 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $3.8M | 31,354 | $122.7 |
| 2026-06-25 | WDAY | Workday, Inc. | Other | C | $0 | 107,500 | $0.0 |
| 2026-06-25 | WDAY | Workday, Inc. | Other | C | $0 | 107,500 | $0.0 |
| 2026-06-25 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $3.4M | 30,074 | $114.1 |
| 2026-06-25 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $3.3M | 28,998 | $115.0 |
| 2026-06-25 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $2.3M | 19,825 | $116.1 |
| 2026-06-25 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $2.0M | 17,064 | $116.9 |
| 2026-06-25 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $1.1M | 9,739 | $118.0 |
| 2026-06-25 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $213.8K | 1,800 | $118.8 |
| 2026-06-22 | WDAY | Workday, Inc. | Other | C | $0 | 107,500 | $0.0 |
| 2026-06-22 | WDAY | Workday, Inc. | Other | C | $0 | 107,500 | $0.0 |
| 2026-06-22 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $1.8M | 16,008 | $112.1 |
Showing the most recent 75 of 271 transactions.
Methodology & FAQ
How These Filings Are Sourced
All transactions on this page are sourced directly from SEC EDGAR. A complete description of the open-market vs grant distinction, the Rule 10b5-1 plan-reference heuristic, and the per-insider name matching is documented in the Methodology.
What companies does DUFFIELD DAVID A file Form 4 disclosures for?
DUFFIELD DAVID A has filed SEC Form 4 transactions for 1 issuer in the last 12 months: Workday, Inc. (WDAY).
What does the 10b5-1 badge mean on these transactions?
Rule 10b5-1 is an SEC rule that lets insiders schedule trades in advance under a written plan, providing an affirmative defense against insider-trading allegations as long as the plan was adopted in good faith and not while in possession of material non-public information. Of DUFFIELD DAVID A's 271 reported transactions in the last 12 months, 117 (43%) reference a 10b5-1 trading plan in the Form 4 footnotes.
Are these all the transactions DUFFIELD DAVID A has executed?
This page shows SEC Form 4 transactions on record in Pactolio's tracked universe for the last 12 months. Form 4 only covers transactions in registered classes of equity at issuers where the person qualifies as an insider (officer, director, or 10% beneficial owner). Trades in funds, foreign issuers, or non-insider positions are not disclosed under Form 4 and are not included here.