DUFFIELD DAVID A

Ten-percent owner · WDAY

As of 2026-09-16, DUFFIELD DAVID A has 427 Form 4 transactions on record across 1 company — 264 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Pattern in the record: open-market sales filed in September in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Reconstructed holdings

Direct $6.8B
Indirect $2.8M

WDAY	direct	36,167,478 sh	$6.8B
WDAY	indirect	15,000 sh	$2.8M

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

WDAY · 427 trades

Filing ledger

Date	Company	Action	Shares @ price	Value	Ownership Δ	Owned after	Filing
2026-09-10	WDAY	Sale	27,883 @ $184.33	$5.1M	−13.5% of holding	177,946	Form 4
2026-09-10	WDAY	Sale	24,465 @ $186.26	$4.6M	−15.8% of holding	129,930	Form 4
2026-09-10	WDAY	Sale	23,551 @ $184.98	$4.4M	−13.2% of holding	154,395	Form 4
2026-09-10	WDAY	Sale	22,388 @ $187.05	$4.2M	−17.2% of holding	107,542	Form 4
2026-09-10	WDAY	Sale	2,493 @ $187.75	$468K	−2.3% of holding	105,049	Form 4
2026-09-04	WDAY	Sale	31,605 @ $198.11	$6.3M	−18.0% of holding	144,152	Form 4
2026-09-04	WDAY	Sale	30,048 @ $198.87	$6.0M	−20.8% of holding	114,104	Form 4
2026-09-04	WDAY	Sale	13,666 @ $195.81	$2.7M	−7.0% of holding	181,998	Form 4
2026-09-04	WDAY	Sale	7,631 @ $199.91	$1.5M	−6.7% of holding	106,473	Form 4
2026-09-04	WDAY	Sale	6,241 @ $196.73	$1.2M	−3.4% of holding	175,757	Form 4
2026-09-04	WDAY	Sale	600 @ $204.05	$122K	−0.6% of holding	105,049	Form 4
2026-09-04	WDAY	Sale	600 @ $201.75	$121K	−0.6% of holding	105,649	Form 4
2026-09-04	WDAY	Sale	224 @ $200.59	$45K	−0.2% of holding	106,249	Form 4
2026-09-01	WDAY	Sale	36,729 @ $198.29	$7.3M	−18.7% of holding	159,245	Form 4
2026-09-01	WDAY	Sale	35,196 @ $199.01	$7.0M	−22.1% of holding	124,049	Form 4
2026-09-01	WDAY	Sale	6,199 @ $203.40	$1.3M	−5.5% of holding	107,049	Form 4
2026-09-01	WDAY	Sale	4,800 @ $200.14	$961K	−3.9% of holding	119,249	Form 4
2026-09-01	WDAY	Sale	4,100 @ $201.40	$826K	−3.4% of holding	115,149	Form 4
2026-09-01	WDAY	Sale	4,036 @ $197.38	$797K	−2.0% of holding	195,974	Form 4
2026-09-01	WDAY	Sale	1,900 @ $204.28	$388K	−1.8% of holding	105,149	Form 4
2026-09-01	WDAY	Sale	1,901 @ $202.40	$385K	−1.7% of holding	113,248	Form 4
2026-09-01	WDAY	Sale	100 @ $204.92	$20K	−0.1% of holding	105,049	Form 4
2026-07-09	WDAY	Sale	39,133 @ $137.19	$5.4M	−23.7% of holding	125,859	Form 4
2026-07-09	WDAY	Sale	27,858 @ $136.41	$3.8M	−14.4% of holding	164,992	Form 4
2026-07-09	WDAY	Sale	20,710 @ $138.34	$2.9M	−16.5% of holding	105,149	Form 4
2026-07-09	WDAY	Sale	14,299 @ $135.48	$1.9M	−6.9% of holding	192,850	Form 4
2026-07-09	WDAY	Sale	1,800 @ $132.07	$238K	−0.9% of holding	209,349	Form 4
2026-07-09	WDAY	Sale	1,700 @ $133.12	$226K	−0.8% of holding	207,649	Form 4
2026-07-09	WDAY	Sale	1,400 @ $130.63	$183K	−0.7% of holding	211,149	Form 4
2026-07-09	WDAY	Sale	500 @ $134.01	$67K	−0.2% of holding	207,149	Form 4
2026-07-09	WDAY	Sale	100 @ $138.98	$14K	−0.1% of holding	105,049	Form 4
2026-07-06	WDAY	Sale	43,583 @ $137.75	$6.0M	−29.3% of holding	105,149	Form 4
2026-07-06	WDAY	Sale	15,869 @ $136.90	$2.2M	−9.6% of holding	148,732	Form 4
2026-07-06	WDAY	Sale	13,550 @ $130.81	$1.8M	−6.4% of holding	196,893	Form 4
2026-07-06	WDAY	Sale	11,348 @ $131.79	$1.5M	−5.8% of holding	185,545	Form 4
2026-07-06	WDAY	Sale	7,953 @ $132.73	$1.1M	−4.3% of holding	177,592	Form 4
2026-07-06	WDAY	Sale	7,098 @ $134.65	$956K	−4.1% of holding	168,018	Form 4
2026-07-06	WDAY	Sale	3,417 @ $135.80	$464K	−2.0% of holding	164,601	Form 4
2026-07-06	WDAY	Sale	2,476 @ $133.99	$332K	−1.4% of holding	175,116	Form 4
2026-07-06	WDAY	Sale	2,106 @ $129.82	$273K	−1.0% of holding	210,443	Form 4
2026-07-06	WDAY	Sale	100 @ $138.30	$14K	−0.1% of holding	105,049	Form 4
2026-06-30	WDAY	Sale	53,176 @ $122.17	$6.5M	−28.0% of holding	136,403	Form 4
2026-06-30	WDAY	Sale	31,354 @ $122.73	$3.8M	−23.0% of holding	105,049	Form 4
2026-06-30	WDAY	Sale	16,870 @ $121.06	$2.0M	−8.2% of holding	189,579	Form 4
2026-06-30	WDAY	Sale	6,100 @ $120.00	$732K	−2.9% of holding	206,449	Form 4
2026-06-25	WDAY	Sale	30,074 @ $114.14	$3.4M	−14.1% of holding	182,475	Form 4
2026-06-25	WDAY	Sale	28,998 @ $114.98	$3.3M	−15.9% of holding	153,477	Form 4
2026-06-25	WDAY	Sale	19,825 @ $116.06	$2.3M	−12.9% of holding	133,652	Form 4
2026-06-25	WDAY	Sale	17,064 @ $116.95	$2.0M	−12.8% of holding	116,588	Form 4
2026-06-25	WDAY	Sale	9,739 @ $118.03	$1.1M	−8.4% of holding	106,849	Form 4
2026-06-25	WDAY	Sale	1,800 @ $118.76	$214K	−1.7% of holding	105,049	Form 4
2026-06-22	WDAY	Sale	49,759 @ $112.92	$5.6M	−25.3% of holding	146,782	Form 4
2026-06-22	WDAY	Sale	16,008 @ $112.08	$1.8M	−7.5% of holding	196,541	Form 4
2026-06-22	WDAY	Sale	10,587 @ $117.20	$1.2M	−8.2% of holding	118,342	Form 4
2026-06-22	WDAY	Sale	7,602 @ $118.15	$898K	−6.4% of holding	110,740	Form 4
2026-06-22	WDAY	Sale	7,033 @ $114.94	$808K	−5.0% of holding	132,829	Form 4
2026-06-22	WDAY	Sale	6,920 @ $114.15	$790K	−4.7% of holding	139,862	Form 4
2026-06-22	WDAY	Sale	4,151 @ $119.05	$494K	−3.7% of holding	106,589	Form 4
2026-06-22	WDAY	Sale	3,900 @ $116.16	$453K	−2.9% of holding	128,929	Form 4
2026-06-22	WDAY	Sale	1,540 @ $119.84	$185K	−1.4% of holding	105,049	Form 4
2026-06-17	WDAY	Sale	27,209 @ $126.34	$3.4M	−17.5% of holding	128,289	Form 4
2026-06-17	WDAY	Sale	20,675 @ $127.04	$2.6M	−16.1% of holding	107,614	Form 4
2026-06-17	WDAY	Sale	20,317 @ $121.96	$2.5M	−9.6% of holding	192,232	Form 4
2026-06-17	WDAY	Sale	17,156 @ $125.18	$2.1M	−9.9% of holding	155,498	Form 4
2026-06-17	WDAY	Sale	11,478 @ $123.08	$1.4M	−6.0% of holding	180,754	Form 4
2026-06-17	WDAY	Sale	8,100 @ $124.15	$1.0M	−4.5% of holding	172,654	Form 4
2026-06-17	WDAY	Sale	2,565 @ $127.95	$328K	−2.4% of holding	105,049	Form 4
2026-06-12	WDAY	Sale	54,009 @ $128.88	$7.0M	−30.6% of holding	122,756	Form 4
2026-06-12	WDAY	Sale	15,860 @ $127.99	$2.0M	−8.2% of holding	176,765	Form 4
2026-06-12	WDAY	Sale	10,724 @ $126.88	$1.4M	−5.3% of holding	192,625	Form 4
2026-06-12	WDAY	Sale	9,470 @ $129.63	$1.2M	−7.7% of holding	113,286	Form 4
2026-06-12	WDAY	Sale	9,200 @ $126.01	$1.2M	−4.3% of holding	203,349	Form 4
2026-06-12	WDAY	Sale	8,237 @ $130.79	$1.1M	−7.3% of holding	105,049	Form 4
2026-06-09	WDAY	Sale	24,452 @ $138.40	$3.4M	−14.4% of holding	145,479	Form 4
2026-06-09	WDAY	Sale	23,190 @ $140.37	$3.3M	−18.1% of holding	105,049	Form 4
2026-06-09	WDAY	Sale	18,389 @ $137.35	$2.5M	−9.8% of holding	169,931	Form 4
2026-06-09	WDAY	Sale	17,240 @ $139.45	$2.4M	−11.9% of holding	128,239	Form 4
2026-06-09	WDAY	Sale	16,810 @ $136.52	$2.3M	−8.2% of holding	188,320	Form 4
2026-06-09	WDAY	Sale	7,419 @ $135.54	$1.0M	−3.5% of holding	205,130	Form 4
2026-06-04	WDAY	Sale	36,475 @ $149.26	$5.4M	−20.6% of holding	140,603	Form 4

96 award / exercise / gift records — not counted as purchases

Date	Company	Action	Shares	Owned after	Filing
2026-09-10	WDAY	Conversion	100,780	205,829	Form 4
2026-09-10	WDAY	Conversion	100,780	36,167,478	Form 4
2026-09-04	WDAY	Conversion	90,615	36,268,258	Form 4
2026-09-04	WDAY	Conversion	90,615	195,664	Form 4
2026-09-01	WDAY	Conversion	94,961	36,358,873	Form 4
2026-09-01	WDAY	Conversion	94,961	200,010	Form 4
2026-07-09	WDAY	Conversion	107,500	212,549	Form 4
2026-07-09	WDAY	Conversion	107,500	36,453,834	Form 4
2026-07-06	WDAY	Conversion	107,500	212,549	Form 4
2026-07-06	WDAY	Conversion	107,500	36,561,334	Form 4
2026-06-30	WDAY	Conversion	107,500	212,549	Form 4
2026-06-30	WDAY	Conversion	107,500	36,668,834	Form 4
2026-06-25	WDAY	Conversion	107,500	212,549	Form 4
2026-06-25	WDAY	Conversion	107,500	36,776,334	Form 4
2026-06-22	WDAY	Conversion	107,500	36,883,834	Form 4
2026-06-22	WDAY	Conversion	107,500	212,549	Form 4
2026-06-17	WDAY	Conversion	107,500	36,991,334	Form 4
2026-06-17	WDAY	Conversion	107,500	212,549	Form 4
2026-06-12	WDAY	Conversion	107,500	37,098,834	Form 4
2026-06-12	WDAY	Conversion	107,500	212,549	Form 4
2026-06-09	WDAY	Conversion	107,500	37,206,334	Form 4
2026-06-09	WDAY	Conversion	107,500	212,549	Form 4
2026-06-04	WDAY	Conversion	107,500	212,549	Form 4
2026-06-04	WDAY	Conversion	107,500	37,313,834	Form 4
2026-06-01	WDAY	Conversion	107,500	37,421,334	Form 4
2026-06-01	WDAY	Conversion	107,500	212,549	Form 4
2026-04-09	WDAY	Conversion	107,500	212,549	Form 4
2026-04-09	WDAY	Conversion	107,500	37,528,834	Form 4
2026-04-06	WDAY	Conversion	107,500	37,636,334	Form 4
2026-04-06	WDAY	Conversion	107,500	212,549	Form 4
2026-03-31	WDAY	Conversion	107,500	37,743,834	Form 4
2026-03-31	WDAY	Conversion	107,500	212,549	Form 4
2026-03-26	WDAY	Conversion	107,500	37,851,334	Form 4
2026-03-26	WDAY	Conversion	107,500	212,549	Form 4
2026-03-23	WDAY	Conversion	107,500	37,958,834	Form 4
2026-03-23	WDAY	Conversion	107,500	212,549	Form 4
2026-03-18	WDAY	Conversion	107,500	38,066,334	Form 4
2026-03-18	WDAY	Conversion	107,500	212,549	Form 4
2026-03-13	WDAY	Conversion	107,500	38,173,834	Form 4
2026-03-13	WDAY	Conversion	107,500	212,549	Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.