Paul R Oldham

Insider

First SEC filing: May 3, 2018 · Latest: May 3, 2018

On this page

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

AEIS selling Nov. 19, 2025

Insider transactions

0 buys (P) 1 sells (S) Net: $-1,660,221 + 67 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

67 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Feb. 25, 2026	AEIS	I	6,324	$338.51	$2,140,737	15,473 Direct	-29.01%	Disposed	-14.0% (price as of 2026-08-20)
Feb. 18, 2026	AEIS	A	15,466	—	—	21,773 Direct	+245.22%	Acquired	(price as of 2026-08-20)
Feb. 18, 2026	AEIS	D	15,466	—	—	24,792 Direct	-38.42%	Disposed	(price as of 2026-08-20)
Feb. 18, 2026	AEIS	M	15,466	$314.12	$4,858,180	40,258 Direct	+62.38%	Acquired	-7.3% (price as of 2026-08-20)
Nov. 19, 2025	AEIS	M 10b5-1	6,042	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 19, 2025	AEIS	S 10b5-1	8,174	$203.11	$1,660,221	24,792 Direct	-24.80%	Disposed	43.4% (price as of 2026-08-20)
Nov. 19, 2025	AEIS	F	4,082	$203.07	$828,932	32,966 Direct	-11.02%	Disposed	43.4% (price as of 2026-08-20)
Nov. 19, 2025	AEIS	M 10b5-1	6,042	$85.97	$519,431	37,048 Direct	+19.49%	Acquired	238.8% (price as of 2026-08-20)
June 20, 2025	AEIS	M 10b5-1	6,042	—	—	6,042 Direct	-50.00%	Disposed	(price as of 2026-08-20)
June 20, 2025	AEIS	S 10b5-1	1,173	$131.29	$154,003	31,006 Direct	-3.65%	Disposed	121.8% (price as of 2026-08-20)
June 20, 2025	AEIS	F	4,869	$131.29	$639,251	32,179 Direct	-13.14%	Disposed	121.8% (price as of 2026-08-20)
June 20, 2025	AEIS	M 10b5-1	6,042	$85.97	$519,431	37,048 Direct	+19.49%	Acquired	238.8% (price as of 2026-08-20)
March 16, 2025	AEIS	F	1,119	$106.19	$118,827	31,006 Direct	-3.48%	Disposed	174.3% (price as of 2026-08-20)
March 1, 2025	AEIS	A	3,153	—	—	6,307 Direct	+99.97%	Acquired	(price as of 2026-08-20)
March 1, 2025	AEIS	A	10,111	—	—	10,111 Direct	—	Acquired	(price as of 2026-08-20)
March 1, 2025	AEIS	A	10,112	—	—	10,112 Direct	—	Acquired	(price as of 2026-08-20)
March 1, 2025	AEIS	M	3,266	—	—	6,530 Direct	-33.34%	Disposed	(price as of 2026-08-20)
March 1, 2025	AEIS	D	3,153	—	—	32,125 Direct	-8.94%	Disposed	(price as of 2026-08-20)
March 1, 2025	AEIS	F	1,428	$115.17	$164,463	35,278 Direct	-3.89%	Disposed	152.9% (price as of 2026-08-20)
March 1, 2025	AEIS	M	3,266	—	—	36,706 Direct	+9.77%	Acquired	(price as of 2026-08-20)
Feb. 26, 2025	AEIS	M	6,042	—	—	12,084 Direct	-33.33%	Disposed	(price as of 2026-08-20)
Feb. 26, 2025	AEIS	S 10b5-1	1,061	$125.00	$132,625	37,787 Direct	-2.73%	Disposed	133.0% (price as of 2026-08-20)
Feb. 26, 2025	AEIS	F	4,981	$125.00	$622,625	38,848 Direct	-11.36%	Disposed	133.0% (price as of 2026-08-20)
Feb. 26, 2025	AEIS	M	6,042	$85.97	$519,431	43,829 Direct	+15.99%	Acquired	238.8% (price as of 2026-08-20)
Feb. 20, 2025	AEIS	M	9,460	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 20, 2025	AEIS	M	15,348	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 20, 2025	AEIS	F	4,347	$131.54	$571,804	33,440 Direct	-11.50%	Disposed	121.4% (price as of 2026-08-20)
Feb. 20, 2025	AEIS	M	7,536	$131.54	$991,285	37,787 Direct	+24.91%	Acquired	121.4% (price as of 2026-08-20)
March 16, 2024	AEIS	F	1,119	$95.75	$107,144	30,251 Direct	-3.57%	Disposed	204.2% (price as of 2026-08-20)
March 1, 2024	AEIS	A	3,154	—	—	3,154 Direct	—	Acquired	(price as of 2026-08-20)
March 1, 2024	AEIS	A	9,796	—	—	9,796 Direct	—	Acquired	(price as of 2026-08-20)
March 1, 2024	AEIS	A	9,796	—	—	9,796 Direct	—	Acquired	(price as of 2026-08-20)
March 1, 2024	AEIS	F	794	$101.20	$80,353	31,370 Direct	-2.47%	Disposed	187.8% (price as of 2026-08-20)
March 1, 2024	AEIS	D	3,154	—	—	32,164 Direct	-8.93%	Disposed	(price as of 2026-08-20)
Feb. 21, 2024	AEIS	M	11,025	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 21, 2024	AEIS	F	2,065	$99.60	$205,674	35,318 Direct	-5.52%	Disposed	192.4% (price as of 2026-08-20)
Feb. 21, 2024	AEIS	M	4,949	$99.60	$492,920	37,383 Direct	+15.26%	Acquired	192.4% (price as of 2026-08-20)
June 29, 2023	AEIS	S	3,080	$110.00	$338,800	32,434 Direct	-8.67%	Disposed	164.8% (price as of 2026-08-20)
May 26, 2023	AEIS	S	3,837	$100.00	$383,700	35,514 Direct	-9.75%	Disposed	191.3% (price as of 2026-08-20)
March 16, 2023	AEIS	F	1,122	$96.36	$108,116	39,351 Direct	-2.77%	Disposed	202.3% (price as of 2026-08-20)
March 3, 2023	AEIS	F	1,057	$94.58	$99,971	40,473 Direct	-2.55%	Disposed	208.0% (price as of 2026-08-20)
March 1, 2023	AEIS	A	9,460	—	—	9,460 Direct	—	Acquired	(price as of 2026-08-20)
March 1, 2023	AEIS	F	786	$93.47	$73,467	41,530 Direct	-1.86%	Disposed	211.6% (price as of 2026-08-20)
March 1, 2023	AEIS	A	9,460	$93.47	$884,226	42,316 Direct	+28.79%	Acquired	211.6% (price as of 2026-08-20)
Feb. 21, 2023	AEIS	F	976	$92.76	$90,534	32,856 Direct	-2.88%	Disposed	214.0% (price as of 2026-08-20)
Feb. 21, 2023	AEIS	A	2,299	$92.76	$213,255	33,832 Direct	+7.29%	Acquired	214.0% (price as of 2026-08-20)
Nov. 4, 2022	AEIS	F	1,261	$83.00	$104,663	31,533 Direct	-3.85%	Disposed	250.9% (price as of 2026-08-20)
Nov. 4, 2022	AEIS	A	3,616	$83.00	$300,128	32,794 Direct	+12.39%	Acquired	250.9% (price as of 2026-08-20)
Aug. 4, 2022	AEIS	F	639	$94.11	$60,136	29,178 Direct	-2.14%	Disposed	209.5% (price as of 2026-08-20)
Aug. 4, 2022	AEIS	A	1,808	$94.11	$170,151	29,817 Direct	+6.46%	Acquired	209.5% (price as of 2026-08-20)
March 16, 2022	AEIS	A	15,348	—	—	15,348 Direct	—	Acquired	(price as of 2026-08-20)
March 16, 2022	AEIS	A	18,126	—	—	18,126 Direct	—	Acquired	(price as of 2026-08-20)
March 16, 2022	AEIS	A	7,674	$85.97	$659,734	28,009 Direct	+37.74%	Acquired	238.8% (price as of 2026-08-20)
March 3, 2022	AEIS	F	841	$86.38	$72,646	20,335 Direct	-3.97%	Disposed	237.2% (price as of 2026-08-20)
March 1, 2022	AEIS	F	641	$85.10	$54,549	21,176 Direct	-2.94%	Disposed	242.3% (price as of 2026-08-20)
Feb. 22, 2022	AEIS	F	1,084	$83.62	$90,644	21,817 Direct	-4.73%	Disposed	248.3% (price as of 2026-08-20)
May 3, 2021	AEIS	F	624	$108.36	$67,617	22,901 Direct	-2.65%	Disposed	168.8% (price as of 2026-08-20)
March 3, 2021	AEIS	F	1,060	$105.26	$111,576	23,525 Direct	-4.31%	Disposed	176.7% (price as of 2026-08-20)
March 1, 2021	AEIS	A	11,025	—	—	11,025 Direct	—	Acquired	(price as of 2026-08-20)
March 1, 2021	AEIS	A	5,513	$111.37	$613,983	24,585 Direct	+28.91%	Acquired	161.5% (price as of 2026-08-20)
Feb. 24, 2021	AEIS	F	1,536	$108.80	$167,117	19,072 Direct	-7.45%	Disposed	167.7% (price as of 2026-08-20)
Feb. 24, 2021	AEIS	A	3,616	$108.80	$393,421	20,608 Direct	+21.28%	Acquired	167.7% (price as of 2026-08-20)
Feb. 22, 2021	AEIS	F	1,287	$104.30	$134,234	16,992 Direct	-7.04%	Disposed	179.3% (price as of 2026-08-20)
May 4, 2020	AEIS	F	525	$53.10	$27,878	18,279 Direct	-2.79%	Disposed	448.5% (price as of 2026-08-20)
March 3, 2020	AEIS	A	14,463	—	—	14,463 Direct	—	Acquired	(price as of 2026-08-20)
March 3, 2020	AEIS	A	7,231	—	—	18,804 Direct	+62.48%	Acquired	(price as of 2026-08-20)
Feb. 24, 2020	AEIS	F	1,163	$62.97	$73,234	11,573 Direct	-9.13%	Disposed	362.5% (price as of 2026-08-20)
May 2, 2019	AEIS	F	454	$57.36	$26,041	12,736 Direct	-3.44%	Disposed	407.8% (price as of 2026-08-20)
Feb. 22, 2019	AEIS	A	8,930	—	—	13,190 Direct	+209.62%	Acquired	(price as of 2026-08-20)
Feb. 22, 2019	AEIS	A	17,860	—	—	17,860 Direct	—	Acquired	(price as of 2026-08-20)
May 2, 2018	AEIS	A	0	—	—	8,519 Direct	0.00%	Acquired	(price as of 2026-08-20)
May 2, 2018	AEIS	A	4,260	$61.15	$260,499	4,260 Direct	—	Acquired	376.3% (price as of 2026-08-20)

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	AEIS	Phantom Stock	Common Stock (6,324)	—	—	6,324	Disposed
Feb. 18, 2026	AEIS	Phantom Stock	Common Stock (15,466)	—	—	15,466	Acquired
Nov. 19, 2025	AEIS	Employee Stock Option (Right to Buy)	Common Stock (6,042)	$85.97	March 16, 2032	6,042	Disposed
June 20, 2025	AEIS	Employee Stock Option (Right to Buy)	Common Stock (6,042)	$85.97	March 16, 2033	6,042	Disposed
March 1, 2025	AEIS	Phantom Stock	Common Stock (3,153)	—	—	3,153	Acquired
March 1, 2025	AEIS	Performance Units	Common Stock (10,111)	$0.00	—	10,111	Acquired
March 1, 2025	AEIS	Restricted Stock Units	Common Stock (10,112)	$0.00	—	10,112	Acquired
March 1, 2025	AEIS	Restricted Stock Units	Common Stock (3,266)	—	—	3,266	Disposed
Feb. 26, 2025	AEIS	Employee Stock Option (Right to Buy)	Common Stock (6,042)	$85.97	March 16, 2033	6,042	Disposed
Feb. 20, 2025	AEIS	Performance Units	Common Stock (0)	$0.00	—	9,460	Disposed
Feb. 20, 2025	AEIS	Performance Units	Common Stock (0)	$0.00	—	15,348	Disposed
March 1, 2024	AEIS	Phantom Stock	Common Stock (3,154)	—	—	3,154	Acquired
March 1, 2024	AEIS	Performance Units	Common Stock (9,796)	$0.00	—	9,796	Acquired
March 1, 2024	AEIS	Restricted Stock Units	Common Stock (9,796)	$0.00	—	9,796	Acquired
Feb. 21, 2024	AEIS	Performance Units	Common Stock (11,025)	$0.00	—	11,025	Disposed
March 1, 2023	AEIS	Performance Units	Common Stock (9,460)	$0.00	—	9,460	Acquired
March 16, 2022	AEIS	Performance Units	Common Stock (15,348)	$0.00	—	15,348	Acquired
March 16, 2022	AEIS	Employee Stock Option (right to buy)	Common Stock (18,126)	$85.97	March 16, 2033	18,126	Acquired
March 1, 2021	AEIS	Performance Units	Common Stock (11,025)	$0.00	—	11,025	Acquired
March 3, 2020	AEIS	Performance Units	Common Stock (14,463)	$0.00	—	14,463	Acquired
Feb. 22, 2019	AEIS	Performance Units	Common Stock (17,860)	$0.00	—	17,860	Acquired
May 2, 2018	AEIS	Performance Units	Common Stock (8,519)	$0.00	—	0	Acquired

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

Initial ownership (Form 3) 1 holding

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

Date	Ticker	Security	Shares	Ownership
May 3, 2018	AEIS	Common Stock	0	Direct