Peter L Chang

Insider

First SEC filing: Aug. 17, 2011 · Latest: Aug. 17, 2011

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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

NOVTU selling Aug. 19, 2021

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 90 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

90 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Feb. 26, 2024	NOVTU	M	467	—	—	937 Direct	-33.26%	Disposed	(price as of 2026-08-20)
Feb. 26, 2024	NOVTU	M	577	—	—	577 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Feb. 26, 2024	NOVTU	M	483	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 26, 2024	NOVTU	F	138	$158.25	$21,838	16,522 Direct	-0.83%	Disposed	-59.6% (price as of 2026-08-20)
Feb. 26, 2024	NOVTU	F	182	$158.25	$28,802	16,660 Direct	-1.08%	Disposed	-59.6% (price as of 2026-08-20)
Feb. 26, 2024	NOVTU	F	168	$158.25	$26,586	16,842 Direct	-0.99%	Disposed	-59.6% (price as of 2026-08-20)
Feb. 26, 2024	NOVTU	M	467	—	—	17,010 Direct	+2.82%	Acquired	(price as of 2026-08-20)
Feb. 26, 2024	NOVTU	M	577	—	—	16,543 Direct	+3.61%	Acquired	(price as of 2026-08-20)
Feb. 26, 2024	NOVTU	M	483	—	—	15,966 Direct	+3.12%	Acquired	(price as of 2026-08-20)
Feb. 21, 2024	NOVTU	A	1,429	—	—	1,429 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 24, 2023	NOVTU	A	1,404	—	—	1,404 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 24, 2023	NOVTU	M	576	—	—	1,154 Direct	-33.29%	Disposed	(price as of 2026-08-20)
Feb. 24, 2023	NOVTU	M	482	—	—	483 Direct	-49.95%	Disposed	(price as of 2026-08-20)
Feb. 24, 2023	NOVTU	F	214	$156.72	$33,538	15,483 Direct	-1.36%	Disposed	-59.2% (price as of 2026-08-20)
Feb. 24, 2023	NOVTU	F	254	$156.72	$39,807	15,697 Direct	-1.59%	Disposed	-59.2% (price as of 2026-08-20)
Feb. 24, 2023	NOVTU	M	576	—	—	15,951 Direct	+3.75%	Acquired	(price as of 2026-08-20)
Feb. 24, 2023	NOVTU	M	482	—	—	15,375 Direct	+3.24%	Acquired	(price as of 2026-08-20)
Feb. 21, 2023	NOVTU	M	693	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 21, 2023	NOVTU	F	345	$158.87	$54,810	14,893 Direct	-2.26%	Disposed	-59.7% (price as of 2026-08-20)
Feb. 21, 2023	NOVTU	M	693	$158.87	$110,097	15,238 Direct	+4.76%	Acquired	-59.7% (price as of 2026-08-20)
Feb. 24, 2022	NOVTU	A	1,730	—	—	1,730 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 24, 2022	NOVTU	M	482	—	—	965 Direct	-33.31%	Disposed	(price as of 2026-08-20)
Feb. 24, 2022	NOVTU	F	214	$135.86	$29,074	14,545 Direct	-1.45%	Disposed	-52.9% (price as of 2026-08-20)
Feb. 24, 2022	NOVTU	M	482	$135.86	$65,485	14,759 Direct	+3.38%	Acquired	-52.9% (price as of 2026-08-20)
Feb. 22, 2022	NOVTU	M	693	—	—	693 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Feb. 22, 2022	NOVTU	M	863	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 22, 2022	NOVTU	F	345	$132.32	$45,650	14,277 Direct	-2.36%	Disposed	-51.6% (price as of 2026-08-20)
Feb. 22, 2022	NOVTU	M	693	$132.32	$91,698	14,622 Direct	+4.98%	Acquired	-51.6% (price as of 2026-08-20)
Feb. 22, 2022	NOVTU	F	383	$132.32	$50,679	13,929 Direct	-2.68%	Disposed	-51.6% (price as of 2026-08-20)
Feb. 22, 2022	NOVTU	M	863	$132.32	$114,192	14,312 Direct	+6.42%	Acquired	-51.6% (price as of 2026-08-20)
Aug. 19, 2021	NOVTU	S 10b5-1	1,347	$150.00	$202,050	13,449 Direct	-9.10%	Disposed	-57.3% (price as of 2026-08-20)
Feb. 24, 2021	NOVTU	A	1,447	—	—	1,447 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 22, 2021	NOVTU	M	692	—	—	1,386 Direct	-33.30%	Disposed	(price as of 2026-08-20)
Feb. 22, 2021	NOVTU	M	863	—	—	863 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Feb. 22, 2021	NOVTU	M	929	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 22, 2021	NOVTU	F	344	$138.52	$47,651	14,796 Direct	-2.27%	Disposed	-53.8% (price as of 2026-08-20)
Feb. 22, 2021	NOVTU	M	692	$138.52	$95,856	15,140 Direct	+4.79%	Acquired	-53.8% (price as of 2026-08-20)
Feb. 22, 2021	NOVTU	F	380	$138.52	$52,638	14,448 Direct	-2.56%	Disposed	-53.8% (price as of 2026-08-20)
Feb. 22, 2021	NOVTU	M	863	$138.52	$119,543	14,828 Direct	+6.18%	Acquired	-53.8% (price as of 2026-08-20)
Feb. 22, 2021	NOVTU	F	413	$138.52	$57,209	13,965 Direct	-2.87%	Disposed	-53.8% (price as of 2026-08-20)
Feb. 22, 2021	NOVTU	M	929	$138.52	$128,685	14,378 Direct	+6.91%	Acquired	-53.8% (price as of 2026-08-20)
Aug. 10, 2020	NOVTU	S 10b5-1	3,726	$113.23	$421,895	13,449 Direct	-21.69%	Disposed	-43.5% (price as of 2026-08-20)
Aug. 5, 2020	NOVTU	S 10b5-1	3,726	$110.00	$409,860	17,175 Direct	-17.83%	Disposed	-41.8% (price as of 2026-08-20)
June 1, 2020	NOVTU	S 10b5-1	1,954	$102.72	$200,715	20,901 Direct	-8.55%	Disposed	-37.7% (price as of 2026-08-20)
May 12, 2020	NOVTU	S 10b5-1	4,000	$95.00	$380,000	22,855 Direct	-14.89%	Disposed	-32.7% (price as of 2026-08-20)
Feb. 28, 2020	NOVTU	M	2,058	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 28, 2020	NOVTU	F	913	$89.21	$81,449	26,855 Direct	-3.29%	Disposed	-28.3% (price as of 2026-08-20)
Feb. 28, 2020	NOVTU	M	2,058	$89.21	$183,594	27,768 Direct	+8.00%	Acquired	-28.3% (price as of 2026-08-20)
Feb. 24, 2020	NOVTU	M	929	—	—	929 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Feb. 24, 2020	NOVTU	F	413	$88.24	$36,443	25,710 Direct	-1.58%	Disposed	-27.5% (price as of 2026-08-20)
Feb. 24, 2020	NOVTU	M	929	$88.24	$81,975	26,123 Direct	+3.69%	Acquired	-27.5% (price as of 2026-08-20)
Feb. 21, 2020	NOVTU	M	862	—	—	1,726 Direct	-33.31%	Disposed	(price as of 2026-08-20)
Feb. 21, 2020	NOVTU	F	428	$94.01	$40,236	25,194 Direct	-1.67%	Disposed	-31.9% (price as of 2026-08-20)
Feb. 21, 2020	NOVTU	M	862	$94.01	$81,037	25,622 Direct	+3.48%	Acquired	-31.9% (price as of 2026-08-20)
Feb. 20, 2020	NOVTU	A	2,078	—	—	2,078 Direct	—	Acquired	(price as of 2026-08-20)
March 1, 2019	NOVTU	S 10b5-1	5,000	$81.14	$405,700	24,760 Direct	-16.80%	Disposed	-21.1% (price as of 2026-08-20)
Feb. 28, 2019	NOVTU	M	2,058	—	—	2,058 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Feb. 28, 2019	NOVTU	F	914	$81.73	$74,701	29,760 Direct	-2.98%	Disposed	-21.7% (price as of 2026-08-20)
Feb. 28, 2019	NOVTU	M	2,058	$81.73	$168,200	30,674 Direct	+7.19%	Acquired	-21.7% (price as of 2026-08-20)
Feb. 25, 2019	NOVTU	M	3,636	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 25, 2019	NOVTU	F	1,618	$78.96	$127,757	28,616 Direct	-5.35%	Disposed	-19.0% (price as of 2026-08-20)
Feb. 25, 2019	NOVTU	M	3,636	$78.96	$287,099	30,234 Direct	+13.67%	Acquired	-19.0% (price as of 2026-08-20)
Feb. 25, 2019	NOVTU	S 10b5-1	10,000	$80.00	$800,000	26,598 Direct	-27.32%	Disposed	-20.0% (price as of 2026-08-20)
Feb. 22, 2019	NOVTU	M	928	—	—	1,858 Direct	-33.31%	Disposed	(price as of 2026-08-20)
Feb. 22, 2019	NOVTU	F	462	$78.58	$36,304	36,598 Direct	-1.25%	Disposed	-18.6% (price as of 2026-08-20)
Feb. 22, 2019	NOVTU	M	928	$78.58	$72,922	37,060 Direct	+2.57%	Acquired	-18.6% (price as of 2026-08-20)
Feb. 21, 2019	NOVTU	A	2,588	—	—	2,588 Direct	—	Acquired	(price as of 2026-08-20)
Aug. 17, 2018	NOVTU	S	3,680	$70.63	$259,918	36,132 Direct	-9.24%	Disposed	-9.4% (price as of 2026-08-20)
Feb. 28, 2018	NOVTU	M	2,057	$55.85	$114,883	40,727 Direct	+5.32%	Acquired	14.6% (price as of 2026-08-20)
Feb. 28, 2018	NOVTU	F	915	$55.85	$51,103	39,812 Direct	-2.25%	Disposed	14.6% (price as of 2026-08-20)
Feb. 28, 2018	NOVTU	M	2,057	—	—	4,116 Direct	-33.32%	Disposed	(price as of 2026-08-20)
Feb. 26, 2018	NOVTU	M	3,636	—	—	3,636 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Feb. 26, 2018	NOVTU	M	3,387	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 26, 2018	NOVTU	F	1,688	$54.60	$92,165	38,670 Direct	-4.18%	Disposed	17.2% (price as of 2026-08-20)
Feb. 26, 2018	NOVTU	M	3,636	$54.60	$198,526	40,358 Direct	+9.90%	Acquired	17.2% (price as of 2026-08-20)
Feb. 26, 2018	NOVTU	F	1,506	$54.60	$82,228	36,722 Direct	-3.94%	Disposed	17.2% (price as of 2026-08-20)
Feb. 26, 2018	NOVTU	M	3,387	$54.60	$184,930	38,228 Direct	+9.72%	Acquired	17.2% (price as of 2026-08-20)
Feb. 22, 2018	NOVTU	A	2,786	—	—	2,786 Direct	—	Acquired	(price as of 2026-08-20)
March 3, 2017	NOVTU	M	3,518	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 3, 2017	NOVTU	F	1,656	$25.55	$42,311	34,841 Direct	-4.54%	Disposed	150.4% (price as of 2026-08-20)
March 3, 2017	NOVTU	M	3,518	$25.55	$89,885	36,497 Direct	+10.67%	Acquired	150.4% (price as of 2026-08-20)
Feb. 28, 2017	NOVTU	A	6,173	—	—	6,173 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 27, 2017	NOVTU	M	3,386	—	—	3,387 Direct	-49.99%	Disposed	(price as of 2026-08-20)
Feb. 27, 2017	NOVTU	F	1,568	$24.55	$38,494	32,979 Direct	-4.54%	Disposed	160.6% (price as of 2026-08-20)
Feb. 27, 2017	NOVTU	M	3,386	$24.55	$83,126	34,547 Direct	+10.87%	Acquired	160.6% (price as of 2026-08-20)
Feb. 24, 2017	NOVTU	M	3,635	—	—	7,272 Direct	-33.33%	Disposed	(price as of 2026-08-20)
Feb. 24, 2017	NOVTU	F	1,894	$24.55	$46,498	31,161 Direct	-5.73%	Disposed	160.6% (price as of 2026-08-20)
Feb. 24, 2017	NOVTU	M	3,635	$24.55	$89,239	33,055 Direct	+12.36%	Acquired	160.6% (price as of 2026-08-20)
Aug. 19, 2016	NOVTU	S	300	$17.14	$5,142	29,420 Direct	-1.01%	Disposed	273.3% (price as of 2026-08-20)
Aug. 19, 2016	NOVTU	S	700	$17.13	$11,991	29,720 Direct	-2.30%	Disposed	273.5% (price as of 2026-08-20)
March 8, 2016	NOVTU	M	4,281	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 8, 2016	NOVTU	F	1,377	$13.31	$18,328	30,420 Direct	-4.33%	Disposed	380.7% (price as of 2026-08-20)
March 8, 2016	NOVTU	M	4,281	$13.31	$56,980	31,797 Direct	+15.56%	Acquired	380.7% (price as of 2026-08-20)
March 3, 2016	NOVTU	M	3,517	—	—	3,518 Direct	-49.99%	Disposed	(price as of 2026-08-20)
March 3, 2016	NOVTU	F	1,110	$13.18	$14,630	27,516 Direct	-3.88%	Disposed	385.4% (price as of 2026-08-20)
March 3, 2016	NOVTU	M	3,517	$13.18	$46,354	28,626 Direct	+14.01%	Acquired	385.4% (price as of 2026-08-20)
Feb. 26, 2016	NOVTU	M	3,386	—	—	6,773 Direct	-33.33%	Disposed	(price as of 2026-08-20)
Feb. 26, 2016	NOVTU	F	1,279	$12.59	$16,103	25,109 Direct	-4.85%	Disposed	408.2% (price as of 2026-08-20)
Feb. 26, 2016	NOVTU	M	3,386	$12.59	$42,630	26,388 Direct	+14.72%	Acquired	408.2% (price as of 2026-08-20)
Feb. 24, 2016	NOVTU	A	10,907	—	—	10,907 Direct	—	Acquired	(price as of 2026-08-20)

Showing latest 100 of 124 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. 26, 2024	NOVTU	Restricted Stock Units	Common Stock (467)	—	—	467	Disposed
Feb. 26, 2024	NOVTU	Restricted Stock Units	Common Stock (577)	—	—	577	Disposed
Feb. 26, 2024	NOVTU	Restricted Stock Units	Common Stock (483)	—	—	483	Disposed
Feb. 21, 2024	NOVTU	Restricted Stock Units	Common Stock (1,429)	—	—	1,429	Acquired
Feb. 24, 2023	NOVTU	Restricted Stock Units	Common Stock (1,404)	—	—	1,404	Acquired
Feb. 24, 2023	NOVTU	Restricted Stock Units	Common Stock (576)	—	—	576	Disposed
Feb. 24, 2023	NOVTU	Restricted Stock Units	Common Stock (482)	—	—	482	Disposed
Feb. 21, 2023	NOVTU	Restricted Stock Units	Common Stock (693)	—	—	693	Disposed
Feb. 24, 2022	NOVTU	Restricted Stock Units	Common Stock (1,730)	—	—	1,730	Acquired
Feb. 24, 2022	NOVTU	Restricted Stock Units	Common Stock (482)	—	—	482	Disposed
Feb. 22, 2022	NOVTU	Restricted Stock Units	Common Stock (693)	—	—	693	Disposed
Feb. 22, 2022	NOVTU	Restricted Stock Units	Common Stock (863)	—	—	863	Disposed
Feb. 24, 2021	NOVTU	Restricted Stock Units	Common Stock (1,447)	—	—	1,447	Acquired
Feb. 22, 2021	NOVTU	Restricted Stock Units	Common Stock (692)	—	—	692	Disposed
Feb. 22, 2021	NOVTU	Restricted Stock Units	Common Stock (863)	—	—	863	Disposed
Feb. 22, 2021	NOVTU	Restricted Stock Units	Common Stock (929)	—	—	929	Disposed
Feb. 28, 2020	NOVTU	Restricted Stock Units	Common Stock (2,058)	—	—	2,058	Disposed
Feb. 24, 2020	NOVTU	Restricted Stock Units	Common Stock (929)	—	—	929	Disposed
Feb. 21, 2020	NOVTU	Restricted Stock Units	Common Stock (862)	—	—	862	Disposed
Feb. 20, 2020	NOVTU	Restricted Stock Units	Common Stock (2,078)	—	—	2,078	Acquired
Feb. 28, 2019	NOVTU	Restricted Stock Units [F1]	Common Stock (2,058)	—	—	2,058	Disposed
Feb. 25, 2019	NOVTU	Restricted Stock Units [F2]	Common Stock (3,636)	—	—	3,636	Disposed
Feb. 22, 2019	NOVTU	Restricted Stock Units [F2]	Common Stock (928)	—	—	928	Disposed
Feb. 21, 2019	NOVTU	Restricted Stock Units [F2]	Common Stock (2,588)	—	—	2,588	Acquired
Feb. 28, 2018	NOVTU	Restricted Stock Units [F1]	Common Stock (2,057)	—	—	2,057	Disposed
Feb. 26, 2018	NOVTU	Restricted Stock Units [F1]	Common Stock (3,636)	—	—	3,636	Disposed
Feb. 26, 2018	NOVTU	Restricted Stock Units [F1]	Common Stock (3,387)	—	—	3,387	Disposed
Feb. 22, 2018	NOVTU	Restricted Stock Units [F1]	Common Stock (2,786)	—	—	2,786	Acquired
March 3, 2017	NOVTU	Restricted Stock Units [F1]	Common Stock (3,518)	—	—	3,518	Disposed
Feb. 28, 2017	NOVTU	Restricted Stock Units [F1]	Common Stock (6,173)	—	—	6,173	Acquired
Feb. 27, 2017	NOVTU	Restricted Stock Units [F1]	Common Stock (3,386)	—	—	3,386	Disposed
Feb. 24, 2017	NOVTU	Restricted Stock Units [F1]	Common Stock (3,635)	—	—	3,635	Disposed
March 8, 2016	NOVTU	Restricted Stock Units [F1]	Common Stock (4,281)	—	—	4,281	Disposed
March 3, 2016	NOVTU	Restricted Stock Units [F1]	Common Stock (3,517)	—	—	3,517	Disposed
Feb. 26, 2016	NOVTU	Restricted Stock Units [F1]	Common Stock (3,386)	—	—	3,386	Disposed
Feb. 24, 2016	NOVTU	Restricted Stock Units [F1]	Common Stock (10,907)	—	—	10,907	Acquired
March 9, 2015	NOVTU	Restricted Stock Units [F1]	Common Stock (4,280)	—	—	4,280	Disposed
March 9, 2015	NOVTU	Restricted Stock Units [F1]	Common Stock (3,467)	—	—	3,467	Disposed
March 3, 2015	NOVTU	Restricted Stock Units [F1]	Common Stock (3,517)	—	—	3,517	Disposed
Feb. 26, 2015	NOVTU	Restricted Stock Units [F1]	Common Stock (10,159)	—	—	10,159	Acquired
Aug. 15, 2014	NOVTU	Restricted Stock Units [F1]	Common Stock (4,000)	—	—	4,000	Disposed
March 10, 2014	NOVTU	Restricted Stock Units [F1]	Common Stock (4,280)	—	—	4,280	Disposed
March 10, 2014	NOVTU	Restricted Stock Units [F1]	Common Stock (3,467)	—	—	3,467	Disposed
March 3, 2014	NOVTU	Restricted Stock Units [F1]	Common Stock (10,552)	—	—	10,552	Acquired
Aug. 15, 2013	NOVTU	Restricted Stock Units [F1]	Common Stock (4,000)	—	—	4,000	Disposed
March 8, 2012	NOVTU	Restricted Stock Units	Common Stock (10,400)	—	—	10,400	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
Aug. 17, 2011	NOVTU	No securities are beneficially owned	0	Direct