DUFFIELD DAVID A
In the last 12 months, DUFFIELD DAVID A filed 219 SEC Form 4 transactions across 1 issuer — $0 in open-market purchases and $440.4M in open-market sales. 18% of these transactions were executed under a pre-scheduled Rule 10b5-1 trading plan.
- $0Open-market buys (1y)
- $440.4MOpen-market sells (1y)
- 219Transactions filed
- 1Distinct issuers
- 18%Under Rule 10b5-1
- 2026-06-09Latest filing
Issuers Filed For By open-market buy volume
Recent Form 4 Filings Most recent 75 of 219 (1-year window)
| Date | Ticker | Company | Type | SEC Code | Value | Shares | Price |
|---|---|---|---|---|---|---|---|
| 2026-06-09 | WDAY | Workday, Inc. | Other | C | $0 | 107,500 | $0.00 |
| 2026-06-09 | WDAY | Workday, Inc. | Other | C | $0 | 107,500 | $0.00 |
| 2026-06-09 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $1.0M | 7,419 | $135.54 |
| 2026-06-09 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $2.3M | 16,810 | $136.52 |
| 2026-06-09 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $2.5M | 18,389 | $137.35 |
| 2026-06-09 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $3.4M | 24,452 | $138.40 |
| 2026-06-09 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $2.4M | 17,240 | $139.45 |
| 2026-06-09 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $3.3M | 23,190 | $140.37 |
| 2026-06-04 | WDAY | Workday, Inc. | Other | C | $0 | 107,500 | $0.00 |
| 2026-06-04 | WDAY | Workday, Inc. | Other | C | $0 | 107,500 | $0.00 |
| 2026-06-04 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $5.3M | 35,471 | $148.52 |
| 2026-06-04 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $5.4M | 36,475 | $149.26 |
| 2026-06-04 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $2.8M | 18,891 | $150.40 |
| 2026-06-04 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $2.0M | 13,548 | $151.28 |
| 2026-06-04 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $474.2K | 3,115 | $152.22 |
| 2026-06-01 | WDAY | Workday, Inc. | Other | C | $0 | 107,500 | $0.00 |
| 2026-06-01 | WDAY | Workday, Inc. | Other | C | $0 | 107,500 | $0.00 |
| 2026-06-01 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $202.3K | 1,347 | $150.18 |
| 2026-06-01 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $277.1K | 1,833 | $151.15 |
| 2026-06-01 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $104.9K | 688 | $152.47 |
| 2026-06-01 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $767.2K | 4,992 | $153.68 |
| 2026-06-01 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $1.9M | 11,980 | $154.46 |
| 2026-06-01 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $835.8K | 5,380 | $155.35 |
| 2026-06-01 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $3.7M | 23,511 | $156.95 |
| 2026-06-01 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $7.9M | 50,214 | $157.62 |
| 2026-06-01 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $1.2M | 7,555 | $158.36 |
| 2026-04-09 | WDAY | Workday, Inc. | Other | C | $0 | 107,500 | $0.00 |
| 2026-04-09 | WDAY | Workday, Inc. | Other | C | $0 | 107,500 | $0.00 |
| 2026-04-09 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $3.3M | 29,388 | $111.06 |
| 2026-04-09 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $3.3M | 29,705 | $111.93 |
| 2026-04-09 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $4.5M | 39,607 | $112.93 |
| 2026-04-09 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $216.1K | 1,900 | $113.71 |
| 2026-04-09 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $368.5K | 3,200 | $115.16 |
| 2026-04-09 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $429.7K | 3,700 | $116.13 |
| 2026-04-06 | WDAY | Workday, Inc. | Other | C | $0 | 107,500 | $0.00 |
| 2026-04-06 | WDAY | Workday, Inc. | Other | C | $0 | 107,500 | $0.00 |
| 2026-04-06 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $2.4M | 18,924 | $128.97 |
| 2026-04-06 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $9.6M | 74,430 | $129.61 |
| 2026-04-06 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $1.7M | 13,346 | $130.29 |
| 2026-04-06 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $105.6K | 800 | $132.01 |
| 2026-03-31 | WDAY | Workday, Inc. | Other | C | $0 | 107,500 | $0.00 |
| 2026-03-31 | WDAY | Workday, Inc. | Other | C | $0 | 107,500 | $0.00 |
| 2026-03-31 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $486.7K | 3,800 | $128.09 |
| 2026-03-31 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $2.2M | 16,932 | $129.05 |
| 2026-03-31 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $9.4M | 72,781 | $129.84 |
| 2026-03-31 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $1.8M | 13,887 | $130.67 |
| 2026-03-31 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $13.1K | 100 | $131.41 |
| 2026-03-26 | WDAY | Workday, Inc. | Other | C | $0 | 107,500 | $0.00 |
| 2026-03-26 | WDAY | Workday, Inc. | Other | C | $0 | 107,500 | $0.00 |
| 2026-03-26 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $6.8M | 53,496 | $127.85 |
| 2026-03-26 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $4.2M | 32,727 | $128.40 |
| 2026-03-26 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $2.5M | 19,077 | $129.46 |
| 2026-03-26 | WDAY | Workday, Inc. | Sell 10b5-1 | S | $286.4K | 2,200 | $130.18 |
| 2026-03-23 | WDAY | Workday, Inc. | Grant | — | $0 | 107,500 | $0.00 |
| 2026-03-23 | WDAY | Workday, Inc. | Grant | — | $0 | 107,500 | $0.00 |
| 2026-03-23 | WDAY | Workday, Inc. | Sell | — | $336.7K | 2,500 | $134.66 |
| 2026-03-23 | WDAY | Workday, Inc. | Sell | — | $2.9M | 21,592 | $135.76 |
| 2026-03-23 | WDAY | Workday, Inc. | Sell | — | $6.7M | 48,797 | $136.89 |
| 2026-03-23 | WDAY | Workday, Inc. | Sell | — | $4.8M | 34,611 | $137.55 |
| 2026-03-18 | WDAY | Workday, Inc. | Grant | — | $0 | 107,500 | $0.00 |
| 2026-03-18 | WDAY | Workday, Inc. | Grant | — | $0 | 107,500 | $0.00 |
| 2026-03-18 | WDAY | Workday, Inc. | Sell | — | $1.4M | 10,700 | $131.35 |
| 2026-03-18 | WDAY | Workday, Inc. | Sell | — | $8.2M | 62,150 | $132.37 |
| 2026-03-18 | WDAY | Workday, Inc. | Sell | — | $3.6M | 27,136 | $133.07 |
| 2026-03-18 | WDAY | Workday, Inc. | Sell | — | $820.2K | 6,114 | $134.14 |
| 2026-03-18 | WDAY | Workday, Inc. | Sell | — | $188.8K | 1,400 | $134.87 |
| 2026-03-13 | WDAY | Workday, Inc. | Grant | — | $0 | 107,500 | $0.00 |
| 2026-03-13 | WDAY | Workday, Inc. | Grant | — | $0 | 107,500 | $0.00 |
| 2026-03-13 | WDAY | Workday, Inc. | Sell | — | $3.5M | 26,820 | $131.67 |
| 2026-03-13 | WDAY | Workday, Inc. | Sell | — | $5.5M | 41,934 | $132.25 |
| 2026-03-13 | WDAY | Workday, Inc. | Sell | — | $2.9M | 22,046 | $133.34 |
| 2026-03-13 | WDAY | Workday, Inc. | Sell | — | $1.9M | 14,156 | $134.36 |
| 2026-03-13 | WDAY | Workday, Inc. | Sell | — | $343.8K | 2,544 | $135.14 |
| 2026-03-10 | WDAY | Workday, Inc. | Grant | — | $0 | 107,500 | $0.00 |
| 2026-03-10 | WDAY | Workday, Inc. | Grant | — | $0 | 107,500 | $0.00 |
Showing the most recent 75 of 219 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 219 reported transactions in the last 12 months, 39 (18%) 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.