David J. Tupman

Insider

First SEC filing: July 31, 2015 · Latest: July 31, 2015

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

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 32 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

32 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
July 31, 2026	CRUS	A	1,623	—	—	1,623 Direct	—	Acquired	(price as of 2026-08-20)
July 29, 2026	CRUS	M	1,998	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
July 29, 2026	CRUS	A	1,998	—	—	27,916 Direct	+7.71%	Acquired	(price as of 2026-08-20)
July 29, 2025	CRUS	A	1,998	—	—	1,998 Direct	—	Acquired	(price as of 2026-08-20)
July 26, 2025	CRUS	A	1,624	—	—	25,918 Direct	+6.68%	Acquired	(price as of 2026-08-20)
July 26, 2025	CRUS	M	1,624	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
July 26, 2024	CRUS	A	2,575	—	—	24,294 Direct	+11.86%	Acquired	(price as of 2026-08-20)
July 26, 2024	CRUS	M	2,575	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
July 26, 2024	CRUS	A	1,624	—	—	1,624 Direct	—	Acquired	(price as of 2026-08-20)
June 6, 2024	CRUS	M 10b5-1	5,000	$33.38	$166,900	26,719 Direct	+23.02%	Acquired	255.5% (price as of 2026-08-20)
June 6, 2024	CRUS	S 10b5-1	5,000	$119.95	$599,750	21,719 Direct	-18.71%	Disposed	-1.1% (price as of 2026-08-20)
June 6, 2024	CRUS	M 10b5-1	5,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 30, 2024	CRUS	M 10b5-1	10,346	$33.38	$345,349	32,065 Direct	+47.64%	Acquired	255.5% (price as of 2026-08-20)
May 30, 2024	CRUS	S 10b5-1	10,346	$114.52	$1,184,824	21,719 Direct	-32.27%	Disposed	3.6% (price as of 2026-08-20)
May 30, 2024	CRUS	M 10b5-1	10,346	—	—	5,000 Direct	-67.42%	Disposed	(price as of 2026-08-20)
July 28, 2023	CRUS	A	2,457	—	—	21,719 Direct	+12.76%	Acquired	(price as of 2026-08-20)
July 28, 2023	CRUS	A	2,575	—	—	5,032 Direct	+104.80%	Acquired	(price as of 2026-08-20)
July 28, 2023	CRUS	M	2,457	—	—	2,575 Direct	-48.83%	Disposed	(price as of 2026-08-20)
July 29, 2022	CRUS	A	2,300	—	—	19,262 Direct	+13.56%	Acquired	(price as of 2026-08-20)
July 29, 2022	CRUS	A	2,457	—	—	4,757 Direct	+106.83%	Acquired	(price as of 2026-08-20)
July 29, 2022	CRUS	M	2,300	—	—	2,457 Direct	-48.35%	Disposed	(price as of 2026-08-20)
July 30, 2021	CRUS	A	2,300	—	—	2,300 Direct	—	Acquired	(price as of 2026-08-20)
May 10, 2021	PXLW	A	23,686	—	—	159,885 Direct	+17.39%	Acquired	(price as of 2026-08-20)
Jan. 4, 2021	CRUS	M 10b5-1	10,000	$33.38	$333,800	26,962 Direct	+58.96%	Acquired	255.5% (price as of 2026-08-20)
Jan. 4, 2021	CRUS	S 10b5-1	10,000	$85.00	$850,000	16,962 Direct	-37.09%	Disposed	39.6% (price as of 2026-08-20)
Jan. 4, 2021	CRUS	M 10b5-1	10,000	—	—	15,346 Direct	-39.45%	Disposed	(price as of 2026-08-20)
Nov. 9, 2020	CRUS	S 10b5-1	1,000	$76.00	$76,000	16,962 Direct	-5.57%	Disposed	56.1% (price as of 2026-08-20)
July 31, 2020	CRUS	A	2,772	—	—	17,962 Direct	+18.25%	Acquired	(price as of 2026-08-20)
May 18, 2020	PXLW	S 10b5-1	6,700	$3.50	$23,450	122,161 Direct	-5.20%	Disposed	-84.3% (price as of 2026-08-20)
May 15, 2020	PXLW	S 10b5-1	500	$3.44	$1,720	128,861 Direct	-0.39%	Disposed	-84.0% (price as of 2026-08-20)
May 15, 2020	PXLW	A	19,247	—	—	129,361 Direct	+17.48%	Acquired	(price as of 2026-08-20)
Aug. 2, 2019	CRUS	A	3,445	—	—	15,190 Direct	+29.33%	Acquired	(price as of 2026-08-20)
May 3, 2019	CRUS	S 10b5-1	1,541	$49.43	$76,172	11,745 Direct	-11.60%	Disposed	140.0% (price as of 2026-08-20)
Aug. 3, 2018	CRUS	A	4,583	—	—	13,286 Direct	+52.66%	Acquired	(price as of 2026-08-20)
Aug. 2, 2017	CRUS	S 10b5-1	1,024	$66.20	$67,789	8,703 Direct	-10.53%	Disposed	79.2% (price as of 2026-08-20)
July 28, 2017	CRUS	A	3,056	—	—	9,727 Direct	+45.81%	Acquired	(price as of 2026-08-20)
July 26, 2016	CRUS	S 10b5-1	1,500	$40.62	$60,930	2,500 Direct	-37.50%	Disposed	192.1% (price as of 2026-08-20)
July 26, 2016	CRUS	A	4,171	—	—	6,671 Direct	+166.84%	Acquired	(price as of 2026-08-20)
Dec. 4, 2015	CRUS	S 10b5-1	1,000	$35.00	$35,000	4,000 Direct	-20.00%	Disposed	239.0% (price as of 2026-08-20)
Aug. 7, 2015	CRUS	M	2,500	—	—	5,000 Direct	+100.00%	Acquired	(price as of 2026-08-20)
Aug. 7, 2015	CRUS	M	2,500	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
July 29, 2015	CRUS	A	25,346	—	—	25,346 Direct	—	Acquired	(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
July 31, 2026	CRUS	Restricted Stock Units	Common Stock (1,623)	—	—	1,623	Acquired
July 29, 2026	CRUS	Restricted Stock Units	Common Stock (1,998)	—	—	1,998	Disposed
July 29, 2025	CRUS	Restricted Stock Units	Common Stock (1,998)	—	—	1,998	Acquired
July 26, 2025	CRUS	Restricted Stock Units	Common Stock (1,624)	—	—	1,624	Disposed
July 26, 2024	CRUS	Restricted Stock Units	Common Stock (2,575)	—	—	2,575	Disposed
July 26, 2024	CRUS	Restricted Stock Units	Common Stock (1,624)	—	—	1,624	Acquired
June 6, 2024	CRUS	Non-Qualified Stock Option (right to buy)	Common Stock (5,000)	$33.38	July 29, 2025	5,000	Disposed
May 30, 2024	CRUS	Non-Qualified Stock Option (right to buy)	Common Stock (10,346)	$33.38	July 29, 2025	10,346	Disposed
July 28, 2023	CRUS	Restricted Stock Units	Common Stock (2,575)	—	—	2,575	Acquired
July 28, 2023	CRUS	Restricted Stock Units	Common Stock (2,457)	—	—	2,457	Disposed
July 29, 2022	CRUS	Restricted Stock Units	Common Stock (2,457)	—	—	2,457	Acquired
July 29, 2022	CRUS	Restricted Stock Units	Common Stock (2,300)	—	—	2,300	Disposed
July 30, 2021	CRUS	Restricted Stock Units	Common Stock (2,300)	—	—	2,300	Acquired
Jan. 4, 2021	CRUS	Non-Qualified Stock Option (right to buy)	Common Stock (10,000)	$33.38	July 29, 2025	10,000	Disposed
Aug. 7, 2015	CRUS	Restricted Stock Units	Common Stock	—	—	2,500	Disposed
July 29, 2015	CRUS	Non-Qualified Stock Option (right to buy)	Common Stock (25,346)	$33.38	July 29, 2025	25,346	Acquired

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

Initial ownership (Form 3) 3 holdings

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

Date	Ticker	Security	Shares	Ownership
July 31, 2015	CRUS	Common Stock	2,500	Direct
July 31, 2015	CRUS	Restricted Stock Units→ Common Stock	—	Indirect
April 4, 2014	PXLW	Common Stock	23,000	Direct