Wolfgang Ademmer

Insider

First SEC filing: May 27, 2016 · Latest: May 27, 2016

On this page

Insider at

0 buys (P) 0 sells (S) Net: $0 + 5 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

5 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 27, 2016	POWI	S	6,191	$49.54	$306,702	13,904 Direct	-30.81%	Disposed	122.0% (price as of 2026-08-21)
Feb. 4, 2016	POWI	A	366	—	—	20,095 Direct	+1.86%	Acquired	(price as of 2026-08-21)
Jan. 26, 2016	POWI	A	5,400	—	—	19,150 Direct	+39.27%	Acquired	(price as of 2026-08-21)
May 7, 2015	POWI	S	1,500	$50.25	$75,375	13,750 Direct	-9.84%	Disposed	118.9% (price as of 2026-08-21)
Feb. 10, 2015	POWI	S	3,050	$51.82	$158,051	15,250 Direct	-16.67%	Disposed	112.3% (price as of 2026-08-21)
Jan. 27, 2015	POWI	A	5,100	—	—	18,300 Direct	+38.64%	Acquired	(price as of 2026-08-21)
May 29, 2014	POWI	S	1,500	$50.53	$75,795	13,200 Direct	-10.20%	Disposed	117.7% (price as of 2026-08-21)
Feb. 11, 2014	POWI	S	4,490	$59.00	$264,910	14,700 Direct	-23.40%	Disposed	86.4% (price as of 2026-08-21)
Feb. 3, 2014	POWI	A	2,490	—	—	19,190 Direct	+14.91%	Acquired	(price as of 2026-08-21)
Jan. 29, 2014	POWI	A	4,200	—	—	16,700 Direct	+33.60%	Acquired	(price as of 2026-08-21)

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.

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

Date	Ticker	Security	Shares	Ownership
Aug. 1, 2013	POWI	Common Stock	12,500	Direct