David C. Czeszewski

Insider

First SEC filing: June 3, 2016 · Latest: June 3, 2016

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Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.
Initial holdings The stakes this person held when they first started reporting.

Insider at

PRDO selling Feb. 25, 2026

Insider transactions

0 buys (P) 2 sells (S) Net: $-1,188,413 + 83 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

83 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
March 14, 2026	PRDO	M	9,094	—	—	74,983 Direct	+13.80%	Acquired	(price as of 2026-08-20)
March 14, 2026	PRDO	F	7,994	$35.78	$286,025	65,889 Direct	-10.82%	Disposed	-8.7% (price as of 2026-08-20)
March 14, 2026	PRDO	F	472	$35.78	$16,888	73,883 Direct	-0.63%	Disposed	-8.7% (price as of 2026-08-20)
March 14, 2026	PRDO	F	748	$35.78	$26,763	74,355 Direct	-1.00%	Disposed	-8.7% (price as of 2026-08-20)
March 14, 2026	PRDO	F	943	$35.78	$33,741	75,103 Direct	-1.24%	Disposed	-8.7% (price as of 2026-08-20)
March 14, 2026	PRDO	F	1,223	$35.78	$43,759	76,046 Direct	-1.58%	Disposed	-8.7% (price as of 2026-08-20)
March 10, 2026	PRDO	A	4,197	—	—	77,269 Direct	+5.74%	Acquired	(price as of 2026-08-20)
March 10, 2026	PRDO	A	4,197	—	—	73,072 Direct	+6.09%	Acquired	(price as of 2026-08-20)
Feb. 25, 2026	PRDO	M	12,972	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 25, 2026	PRDO	S	12,972	$32.80	$425,482	68,875 Direct	-15.85%	Disposed	-0.4% (price as of 2026-08-20)
Feb. 25, 2026	PRDO	M	12,972	$13.80	$179,014	81,847 Direct	+18.83%	Acquired	136.7% (price as of 2026-08-20)
Feb. 25, 2026	PRDO	S	23,253	$32.81	$762,931	68,875 Direct	-25.24%	Disposed	-0.4% (price as of 2026-08-20)
June 13, 2025	PRDO	M	14,932	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
June 13, 2025	PRDO	S	654	$31.55	$20,634	92,129 Direct	-0.70%	Disposed	3.5% (price as of 2026-08-20)
June 13, 2025	PRDO	S	14,932	$31.67	$472,896	92,783 Direct	-13.86%	Disposed	3.1% (price as of 2026-08-20)
June 13, 2025	PRDO	M	14,932	$8.30	$123,936	107,715 Direct	+16.09%	Acquired	293.6% (price as of 2026-08-20)
June 13, 2025	PRDO	S	15,306	$31.66	$484,588	92,783 Direct	-14.16%	Disposed	3.2% (price as of 2026-08-20)
March 14, 2025	PRDO	M	11,620	—	—	108,089 Direct	+12.05%	Acquired	(price as of 2026-08-20)
March 14, 2025	PRDO	F	7,829	$24.60	$192,593	96,469 Direct	-7.51%	Disposed	32.8% (price as of 2026-08-20)
March 14, 2025	PRDO	F	537	$24.60	$13,210	104,298 Direct	-0.51%	Disposed	32.8% (price as of 2026-08-20)
March 14, 2025	PRDO	F	666	$24.60	$16,384	104,835 Direct	-0.63%	Disposed	32.8% (price as of 2026-08-20)
March 14, 2025	PRDO	F	852	$24.60	$20,959	105,501 Direct	-0.80%	Disposed	32.8% (price as of 2026-08-20)
March 14, 2025	PRDO	F	169	$24.60	$4,157	106,353 Direct	-0.16%	Disposed	32.8% (price as of 2026-08-20)
March 14, 2025	PRDO	F	422	$24.60	$10,381	106,522 Direct	-0.39%	Disposed	32.8% (price as of 2026-08-20)
March 6, 2025	PRDO	A	4,838	—	—	106,944 Direct	+4.74%	Acquired	(price as of 2026-08-20)
March 6, 2025	PRDO	A	4,838	—	—	102,106 Direct	+4.97%	Acquired	(price as of 2026-08-20)
March 14, 2024	PRDO	F	3,938	$17.70	$69,703	97,267 Direct	-3.89%	Disposed	84.5% (price as of 2026-08-20)
March 14, 2024	PRDO	F	666	$17.70	$11,788	101,205 Direct	-0.65%	Disposed	84.5% (price as of 2026-08-20)
March 14, 2024	PRDO	F	852	$17.70	$15,080	101,871 Direct	-0.83%	Disposed	84.5% (price as of 2026-08-20)
March 14, 2024	PRDO	F	169	$17.70	$2,991	102,723 Direct	-0.16%	Disposed	84.5% (price as of 2026-08-20)
March 14, 2024	PRDO	F	422	$17.70	$7,469	102,892 Direct	-0.41%	Disposed	84.5% (price as of 2026-08-20)
March 14, 2024	PRDO	F	301	$17.70	$5,328	103,314 Direct	-0.29%	Disposed	84.5% (price as of 2026-08-20)
March 7, 2024	PRDO	A	7,326	—	—	103,615 Direct	+7.61%	Acquired	(price as of 2026-08-20)
March 7, 2024	PRDO	A	7,326	—	—	96,289 Direct	+8.23%	Acquired	(price as of 2026-08-20)
May 12, 2023	PRDO	S	11,570	$11.89	$137,567	88,963 Direct	-11.51%	Disposed	174.7% (price as of 2026-08-20)
May 11, 2023	PRDO	S	11,671	$12.01	$140,169	100,533 Direct	-10.40%	Disposed	172.0% (price as of 2026-08-20)
March 14, 2023	PRDO	F	2,808	$13.37	$37,543	112,204 Direct	-2.44%	Disposed	144.3% (price as of 2026-08-20)
March 14, 2023	PRDO	F	301	$13.37	$4,024	115,012 Direct	-0.26%	Disposed	144.3% (price as of 2026-08-20)
March 14, 2023	PRDO	F	852	$13.37	$11,391	115,313 Direct	-0.73%	Disposed	144.3% (price as of 2026-08-20)
March 14, 2023	PRDO	F	169	$13.37	$2,260	116,165 Direct	-0.15%	Disposed	144.3% (price as of 2026-08-20)
March 14, 2023	PRDO	F	422	$13.37	$5,642	116,334 Direct	-0.36%	Disposed	144.3% (price as of 2026-08-20)
March 14, 2023	PRDO	F	206	$13.37	$2,754	116,756 Direct	-0.18%	Disposed	144.3% (price as of 2026-08-20)
March 14, 2023	PRDO	F	278	$13.37	$3,717	116,962 Direct	-0.24%	Disposed	144.3% (price as of 2026-08-20)
March 7, 2023	PRDO	A	9,094	—	—	117,240 Direct	+8.41%	Acquired	(price as of 2026-08-20)
March 7, 2023	PRDO	A	9,092	—	—	108,146 Direct	+9.18%	Acquired	(price as of 2026-08-20)
March 14, 2022	PRDO	F	2,591	$11.00	$28,501	99,054 Direct	-2.55%	Disposed	197.0% (price as of 2026-08-20)
March 14, 2022	PRDO	F	169	$11.00	$1,859	101,645 Direct	-0.17%	Disposed	197.0% (price as of 2026-08-20)
March 14, 2022	PRDO	F	422	$11.00	$4,642	101,814 Direct	-0.41%	Disposed	197.0% (price as of 2026-08-20)
March 14, 2022	PRDO	F	301	$11.00	$3,311	102,236 Direct	-0.29%	Disposed	197.0% (price as of 2026-08-20)
March 14, 2022	PRDO	F	206	$11.00	$2,266	102,537 Direct	-0.20%	Disposed	197.0% (price as of 2026-08-20)
March 14, 2022	PRDO	F	278	$11.00	$3,058	102,743 Direct	-0.27%	Disposed	197.0% (price as of 2026-08-20)
March 14, 2022	PRDO	F	367	$11.00	$4,037	103,021 Direct	-0.35%	Disposed	197.0% (price as of 2026-08-20)
March 14, 2022	PRDO	F	290	$11.00	$3,190	103,388 Direct	-0.28%	Disposed	197.0% (price as of 2026-08-20)
March 8, 2022	PRDO	A	11,620	—	—	103,678 Direct	+12.62%	Acquired	(price as of 2026-08-20)
March 8, 2022	PRDO	A	11,620	—	—	92,058 Direct	+14.45%	Acquired	(price as of 2026-08-20)
March 4, 2022	PRDO	S	17,029	$10.62	$180,848	80,438 Direct	-17.47%	Disposed	207.6% (price as of 2026-08-20)
March 3, 2022	PRDO	S	16,320	$10.64	$173,645	97,467 Direct	-14.34%	Disposed	207.0% (price as of 2026-08-20)
Dec. 14, 2021	PRDO	F	8,244	$11.57	$95,383	113,787 Direct	-6.76%	Disposed	182.3% (price as of 2026-08-20)
March 14, 2021	PRDO	F	2,897	$12.70	$36,792	121,484 Direct	-2.33%	Disposed	157.2% (price as of 2026-08-20)
March 14, 2021	PRDO	F	301	$12.70	$3,823	124,381 Direct	-0.24%	Disposed	157.2% (price as of 2026-08-20)
March 14, 2021	PRDO	F	206	$12.70	$2,616	124,682 Direct	-0.16%	Disposed	157.2% (price as of 2026-08-20)
March 14, 2021	PRDO	F	278	$12.70	$3,531	124,888 Direct	-0.22%	Disposed	157.2% (price as of 2026-08-20)
March 14, 2021	PRDO	F	367	$12.70	$4,661	125,166 Direct	-0.29%	Disposed	157.2% (price as of 2026-08-20)
March 14, 2021	PRDO	F	290	$12.70	$3,683	125,533 Direct	-0.23%	Disposed	157.2% (price as of 2026-08-20)
March 14, 2021	PRDO	F	373	$12.70	$4,737	125,823 Direct	-0.30%	Disposed	157.2% (price as of 2026-08-20)
March 8, 2021	PRDO	A	13,440	—	—	126,196 Direct	+11.92%	Acquired	(price as of 2026-08-20)
March 8, 2021	PRDO	A	2,300	—	—	112,114 Direct	+2.09%	Acquired	(price as of 2026-08-20)
March 8, 2021	PRDO	A	5,760	—	—	109,814 Direct	+5.54%	Acquired	(price as of 2026-08-20)
Sept. 14, 2020	PRDO	F	311	$12.02	$3,738	104,054 Direct	-0.30%	Disposed	171.8% (price as of 2026-08-20)
Sept. 14, 2020	PRDO	F	420	$12.02	$5,048	104,365 Direct	-0.40%	Disposed	171.8% (price as of 2026-08-20)
Sept. 11, 2020	PRDO	M	21,704	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Sept. 11, 2020	PRDO	M	30,509	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Sept. 11, 2020	PRDO	S	52,213	$12.51	$653,185	104,785 Direct	-33.26%	Disposed	161.1% (price as of 2026-08-20)
Sept. 11, 2020	PRDO	M	21,704	$5.90	$128,054	156,998 Direct	+16.04%	Acquired	453.6% (price as of 2026-08-20)
Sept. 11, 2020	PRDO	M	30,509	$4.49	$136,985	135,294 Direct	+29.12%	Acquired	627.5% (price as of 2026-08-20)
Sept. 10, 2020	PRDO	M	20,707	—	—	30,509 Direct	-40.43%	Disposed	(price as of 2026-08-20)
Sept. 10, 2020	PRDO	S	3,202	$12.62	$40,409	104,785 Direct	-2.97%	Disposed	158.8% (price as of 2026-08-20)
Sept. 10, 2020	PRDO	S	17,505	$12.47	$218,287	107,987 Direct	-13.95%	Disposed	161.9% (price as of 2026-08-20)
Sept. 10, 2020	PRDO	M	20,707	$4.49	$92,974	125,492 Direct	+19.76%	Acquired	627.5% (price as of 2026-08-20)
Sept. 9, 2020	PRDO	S	16,824	$12.92	$217,366	104,785 Direct	-13.83%	Disposed	152.8% (price as of 2026-08-20)
March 14, 2020	PRDO	M	2,317	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 14, 2020	PRDO	D	2,317	$11.03	$25,557	120,604 Direct	-1.88%	Disposed	196.1% (price as of 2026-08-20)
March 14, 2020	PRDO	M	2,317	—	—	122,921 Direct	+1.92%	Acquired	(price as of 2026-08-20)
March 14, 2020	PRDO	F	367	$11.03	$4,048	120,604 Direct	-0.30%	Disposed	196.1% (price as of 2026-08-20)
March 14, 2020	PRDO	F	290	$11.03	$3,199	120,971 Direct	-0.24%	Disposed	196.1% (price as of 2026-08-20)
March 14, 2020	PRDO	F	373	$11.03	$4,114	121,261 Direct	-0.31%	Disposed	196.1% (price as of 2026-08-20)
March 14, 2020	PRDO	F	679	$11.03	$7,489	121,634 Direct	-0.56%	Disposed	196.1% (price as of 2026-08-20)
March 5, 2020	PRDO	A	9,582	—	—	122,313 Direct	+8.50%	Acquired	(price as of 2026-08-20)
March 5, 2020	PRDO	A	4,108	—	—	111,978 Direct	+3.81%	Acquired	(price as of 2026-08-20)
Aug. 23, 2019	PRDO	S	10,161	$21.82	$221,713	107,870 Direct	-8.61%	Disposed	49.7% (price as of 2026-08-20)
Aug. 22, 2019	PRDO	S	4,498	$22.35	$100,530	118,031 Direct	-3.67%	Disposed	46.2% (price as of 2026-08-20)
Aug. 13, 2019	PRDO	S	2,908	$21.75	$63,249	122,529 Direct	-2.32%	Disposed	50.2% (price as of 2026-08-20)
Aug. 12, 2019	PRDO	S	15,278	$21.31	$325,574	124,773 Direct	-10.91%	Disposed	53.3% (price as of 2026-08-20)
Aug. 12, 2019	PRDO	A	8,842	—	—	140,051 Direct	+6.74%	Acquired	(price as of 2026-08-20)
Aug. 12, 2019	PRDO	A	2,800	—	—	131,209 Direct	+2.18%	Acquired	(price as of 2026-08-20)
Aug. 12, 2019	PRDO	A	3,788	—	—	128,409 Direct	+3.04%	Acquired	(price as of 2026-08-20)
March 14, 2019	PRDO	M	2,317	—	—	2,317 Direct	-50.00%	Disposed	(price as of 2026-08-20)
March 14, 2019	PRDO	M	1,021	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 14, 2019	PRDO	F	4,923	$16.32	$80,343	124,621 Direct	-3.80%	Disposed	100.2% (price as of 2026-08-20)
March 14, 2019	PRDO	D	2,317	$16.32	$37,813	129,070 Direct	-1.76%	Disposed	100.2% (price as of 2026-08-20)

Showing latest 100 of 144 transactions

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Feb. 25, 2026	PRDO	Non-Qualified Option (right to buy)	Common Stock (12,972)	$13.80	March 6, 2028	12,972	Disposed
June 13, 2025	PRDO	Non-Qualified Option (right to buy)	Common Stock (14,932)	$8.30	March 6, 2027	14,932	Disposed
Sept. 11, 2020	PRDO	Non-Qualified Option (right to buy)	Common Stock (21,704)	$5.90	March 6, 2025	21,704	Disposed
Sept. 11, 2020	PRDO	Non-Qualified Option (right to buy)	Common Stock (30,509)	$4.49	March 7, 2026	30,509	Disposed
Sept. 10, 2020	PRDO	Non-Qualified Option (right to buy)	Common Stock (20,707)	$4.49	March 7, 2026	20,707	Disposed
March 14, 2020	PRDO	Cash-Settled RSU	Common Stock (2,317)	—	March 14, 2020	2,317	Disposed
March 14, 2019	PRDO	Cash-Settled RSU	Common Stock (2,317)	—	March 14, 2020	2,317	Disposed
March 14, 2019	PRDO	Cash-Settled RSU	Common Stock (1,021)	—	March 14, 2019	1,021	Disposed
March 14, 2018	PRDO	Cash-Settled RSU	Common Stock (2,317)	—	March 14, 2020	2,317	Disposed
March 14, 2018	PRDO	Cash-Settled RSU	Common Stock (1,021)	—	March 14, 2019	1,021	Disposed
March 14, 2018	PRDO	Cash-Settled RSU	Common Stock (4,185)	—	March 14, 2018	4,185	Disposed
March 6, 2018	PRDO	Non-Qualified Stock Option (right to buy)	Common Stock (12,972)	$13.80	March 6, 2028	12,972	Acquired
March 14, 2017	PRDO	Cash-Settled RSU	Common Stock (2,317)	—	March 14, 2020	2,317	Disposed
March 14, 2017	PRDO	Cash-Settled RSU	Common Stock (1,021)	—	March 14, 2019	1,021	Disposed
March 14, 2017	PRDO	Cash-Settled RSU	Common Stock (4,185)	—	March 14, 2018	4,185	Disposed
March 14, 2017	PRDO	Cash-Settled RSU	Common Stock (6,760)	—	March 14, 2017	6,760	Disposed
March 6, 2017	PRDO	Non-Qualifed Stock Option (right to buy)	Common Stock (14,932)	$8.30	March 6, 2027	14,932	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 8 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
June 3, 2016	PRDO	Common Stock	86,502	Direct
June 3, 2016	PRDO	Non-Qualified Stock Option (right to buy)→ Common Stock (5,000)	5,000	Direct
June 3, 2016	PRDO	Non-Qualified Stock Option (right to buy)→ Common Stock (21,704)	21,704	Direct
June 3, 2016	PRDO	Non-Qualified Stock Option (right to buy)→ Common Stock (51,216)	51,216	Direct
June 3, 2016	PRDO	Cash-Settled RSU→ Common Stock (9,268)	9,268	Direct
June 3, 2016	PRDO	Cash-Settled RSU→ Common Stock (6,760)	6,760	Direct
June 3, 2016	PRDO	Cash-Settled RSU→ Common Stock (8,370)	8,370	Direct
June 3, 2016	PRDO	Cash-Settled RSU→ Common Stock (3,063)	3,063	Direct