DUFFIELD DAVID A
In the last 12 months, DUFFIELD DAVID A filed 295 SEC Form 4 transactions across 1 issuer: $0 in open-market purchases and $557.0M in open-market sales. 54% of these transactions were executed under a pre-scheduled Rule 10b5-1 trading plan.
- $0Open-market buys (1y)
- $557.0MOpen-market sells (1y)
- 295Transactions filed
- 1Distinct issuers
- 54%Under Rule 10b5-1
- 2026-10-09Latest filing
Issuers Filed For By open-market buy volume
Recent Form 4 Filings Most recent 75 of 295 (1-year window)
| Date | Ticker | Company | Type | SEC Code | Value | Shares | Price |
|---|---|---|---|---|---|---|---|
| 2026-10-09 | WDAY | Workday, Inc. | Other | C | $0 | 99,835 | $0.0 |
| 2026-10-09 | WDAY | Workday, Inc. | Other | C | $0 | 99,835 | $0.0 |
| 2026-10-09 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $8.7M | 46,607 | $186.4 |
| 2026-10-09 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $2.7M | 14,294 | $186.9 |
| 2026-10-09 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $2.7M | 14,228 | $188.2 |
| 2026-10-09 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $2.4M | 12,732 | $189.4 |
| 2026-10-09 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $2.0M | 10,472 | $190.1 |
| 2026-10-09 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $286.8K | 1,502 | $191.0 |
| 2026-10-06 | WDAY | Workday, Inc. | Other | C | $0 | 99,228 | $0.0 |
| 2026-10-06 | WDAY | Workday, Inc. | Other | C | $0 | 99,228 | $0.0 |
| 2026-10-06 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $517.5K | 2,800 | $184.8 |
| 2026-10-06 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $1.9M | 10,284 | $185.9 |
| 2026-10-06 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $8.6M | 45,984 | $186.7 |
| 2026-10-06 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $1.9M | 10,054 | $187.8 |
| 2026-10-06 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $3.7M | 19,534 | $188.6 |
| 2026-10-06 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $2.0M | 10,572 | $189.4 |
| 2026-10-01 | WDAY | Workday, Inc. | Other | C | $0 | 98,446 | $0.0 |
| 2026-10-01 | WDAY | Workday, Inc. | Other | C | $0 | 98,446 | $0.0 |
| 2026-10-01 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $974.5K | 5,300 | $183.9 |
| 2026-10-01 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $1.7M | 9,035 | $184.7 |
| 2026-10-01 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $2.6M | 14,166 | $185.7 |
| 2026-10-01 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $9.1M | 48,972 | $186.6 |
| 2026-10-01 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $893.2K | 4,764 | $187.5 |
| 2026-10-01 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $340.7K | 1,809 | $188.3 |
| 2026-10-01 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $725.2K | 3,800 | $190.8 |
| 2026-10-01 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $746.8K | 3,900 | $191.5 |
| 2026-10-01 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $115.4K | 600 | $192.3 |
| 2026-10-01 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $892.5K | 4,600 | $194.0 |
| 2026-10-01 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $292.1K | 1,500 | $194.8 |
| 2026-09-28 | WDAY | Workday, Inc. | Other | C | $0 | 98,971 | $0.0 |
| 2026-09-28 | WDAY | Workday, Inc. | Other | C | $0 | 98,971 | $0.0 |
| 2026-09-28 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $365.3K | 2,000 | $182.7 |
| 2026-09-28 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $642.8K | 3,496 | $183.9 |
| 2026-09-28 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $351.6K | 1,904 | $184.7 |
| 2026-09-28 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $315.8K | 1,700 | $185.8 |
| 2026-09-28 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $205.5K | 1,100 | $186.8 |
| 2026-09-28 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $4.5M | 23,779 | $188.1 |
| 2026-09-28 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $7.2M | 37,993 | $188.9 |
| 2026-09-28 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $4.4M | 23,095 | $189.8 |
| 2026-09-28 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $744.1K | 3,904 | $190.6 |
| 2026-09-23 | WDAY | Workday, Inc. | Other | C | $0 | 99,613 | $0.0 |
| 2026-09-23 | WDAY | Workday, Inc. | Other | C | $0 | 99,613 | $0.0 |
| 2026-09-23 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $439.0K | 2,324 | $188.9 |
| 2026-09-23 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $336.9K | 1,776 | $189.7 |
| 2026-09-23 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $925.9K | 4,849 | $190.9 |
| 2026-09-23 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $12.3M | 63,855 | $192.1 |
| 2026-09-23 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $4.8M | 24,934 | $192.8 |
| 2026-09-23 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $363.0K | 1,875 | $193.6 |
| 2026-09-18 | WDAY | Workday, Inc. | Other | C | $0 | 94,089 | $0.0 |
| 2026-09-18 | WDAY | Workday, Inc. | Other | C | $0 | 94,089 | $0.0 |
| 2026-09-18 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $6.8M | 34,859 | $194.0 |
| 2026-09-18 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $9.2M | 47,201 | $194.9 |
| 2026-09-18 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $2.4M | 12,029 | $195.7 |
| 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 |
Showing the most recent 75 of 295 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 295 reported transactions in the last 12 months, 158 (54%) 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.