Insider · CIK 0001101310

Kathryn McCarthy

Files at: SEIC. On EDGAR ↗

Period1M 3M 6M 1Y 2Y All datashares as filed — not split-adjusted

Open-market buys & salesbuys $0 · 0sales $2.1M · 4net −$2.1M

Reported trades — common stock

Trade	Reported (ET)	Company	Shares	Avg price	Total	Owned after	Δ stake	Flags
Aug 3, 2026 SForm 4 →	Aug 4, 4:24 pm EDT	SEI INVESTMENTS COSEIC	10,000	$103.54	$1,035,350	77,883	−11.4%
Aug 3, 2026 MForm 4 →	Aug 4, 4:24 pm EDT	SEI INVESTMENTS COSEIC	10,000	$71.12	$711,200	87,883	—
Sep 19, 2017 SForm 4 →	Sep 21, 1:22 pm EDT	SEI INVESTMENTS COSEIC	10,000	$58.69	$586,900	70,200	−12.5%	plan?
Sep 19, 2017 MForm 4 →	Sep 21, 1:22 pm EDT	SEI INVESTMENTS COSEIC	10,000	$14.62	$146,200	80,200	—	plan?
Mar 31, 2017 SForm 4 →	Apr 4, 3:59 pm EDT	SEI INVESTMENTS COSEIC	2,500	$50.44	$126,100	70,200	−3.44%	plan?
Mar 31, 2017 MForm 4 →	Apr 4, 3:59 pm EDT	SEI INVESTMENTS COSEIC	2,500	$32.49	$81,225	72,700	—	plan?
Mar 23, 2015 SForm 4 →	Mar 25, 4:24 pm EDT	SEI INVESTMENTS COSEIC	8,900	$44.18	$393,202	67,450	−11.7%	plan?
Mar 23, 2015 MForm 4 →	Mar 25, 4:24 pm EDT	SEI INVESTMENTS COSEIC	12,000	$22.72	$272,680	76,440	—	plan?

Reported trades — derivatives (options, RSUs, warrants)

Trade	Reported (ET)	Company	Shares	Avg price	Total	Owned after	Δ stake	Flags
Aug 3, 2026 MForm 4 →	Aug 4, 4:24 pm EDT	SEI INVESTMENTS COSEIC	10,000	—	—	0	—
Dec 11, 2018 MForm 4 →	Dec 13, 11:17 am EST	SEI INVESTMENTS COSEIC	10,000	$48.47	$484,700	10,000	—
Dec 12, 2017 MForm 4 →	Dec 14, 10:38 am EST	SEI INVESTMENTS COSEIC	10,000	$71.12	$711,200	10,000	—
Sep 19, 2017 MForm 4 →	Sep 21, 1:22 pm EDT	SEI INVESTMENTS COSEIC	10,000	$14.62	$146,200	0	—
Mar 31, 2017 MForm 4 →	Apr 4, 3:59 pm EDT	SEI INVESTMENTS COSEIC	2,500	$32.49	$81,225	0	—
Dec 13, 2016 MForm 4 →	Dec 14, 2:23 pm EST	SEI INVESTMENTS COSEIC	10,000	$49.63	$496,300	10,000	—
Dec 8, 2015 MForm 4 →	Dec 9, 11:54 am EST	SEI INVESTMENTS COSEIC	10,000	$53.34	$533,400	10,000	—
Mar 23, 2015 MForm 4 →	Mar 25, 4:24 pm EDT	SEI INVESTMENTS COSEIC	12,000	$22.72	$272,680	0	—