Dermot Halpin

Insider

First SEC filing: Feb. 24, 2015 · Latest: Feb. 24, 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

TRIP selling Dec. 31, 2019

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 93 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

93 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Feb. 15, 2020	TRIP	M	5,185	—	—	15,553 Direct	-25.00%	Disposed	(price as of 2026-08-21)
Feb. 15, 2020	TRIP	M	8,193	—	—	8,194 Direct	-50.00%	Disposed	(price as of 2026-08-21)
Feb. 15, 2020	TRIP	M	5,557	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Feb. 15, 2020	TRIP	M	6,737	—	—	13,476 Direct	-33.33%	Disposed	(price as of 2026-08-21)
Feb. 15, 2020	TRIP	F	1,522	$29.64	$45,112	18,039 Direct	-7.78%	Disposed	-66.4% (price as of 2026-08-21)
Feb. 15, 2020	TRIP	M	5,185	—	—	19,561 Direct	+36.07%	Acquired	(price as of 2026-08-21)
Feb. 15, 2020	TRIP	F	2,405	$29.64	$71,284	14,376 Direct	-14.33%	Disposed	-66.4% (price as of 2026-08-21)
Feb. 15, 2020	TRIP	M	8,193	—	—	16,781 Direct	+95.40%	Acquired	(price as of 2026-08-21)
Feb. 15, 2020	TRIP	F	1,728	$29.64	$51,218	8,588 Direct	-16.75%	Disposed	-66.4% (price as of 2026-08-21)
Feb. 15, 2020	TRIP	M	5,557	—	—	10,316 Direct	+116.77%	Acquired	(price as of 2026-08-21)
Feb. 15, 2020	TRIP	F	1,978	$29.64	$58,628	4,759 Direct	-29.36%	Disposed	-66.4% (price as of 2026-08-21)
Feb. 15, 2020	TRIP	M	6,737	—	—	6,737 Direct	—	Acquired	(price as of 2026-08-21)
Dec. 31, 2019	TRIP	M	31,907	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Dec. 31, 2019	TRIP	S 10b5-1	17,740	$30.32	$537,877	0 Direct	-100.00%	Disposed	-67.2% (price as of 2026-08-21)
Dec. 31, 2019	TRIP	F	14,167	$30.02	$425,293	17,740 Direct	-44.40%	Disposed	-66.8% (price as of 2026-08-21)
Dec. 31, 2019	TRIP	M	31,907	—	—	31,907 Direct	—	Acquired	(price as of 2026-08-21)
Dec. 4, 2019	TRIP	A	2,264	—	—	20,738 Direct	+12.26%	Acquired	(price as of 2026-08-21)
Dec. 4, 2019	TRIP	A	1,789	—	—	16,387 Direct	+12.26%	Acquired	(price as of 2026-08-21)
Dec. 4, 2019	TRIP	A	1,503	—	—	13,765 Direct	+12.26%	Acquired	(price as of 2026-08-21)
Dec. 4, 2019	TRIP	A	3,484	—	—	31,907 Direct	+12.26%	Acquired	(price as of 2026-08-21)
Dec. 4, 2019	TRIP	A	606	—	—	5,557 Direct	+12.24%	Acquired	(price as of 2026-08-21)
Dec. 4, 2019	TRIP	A	2,207	—	—	15,682 Direct	+16.38%	Acquired	(price as of 2026-08-21)
Dec. 4, 2019	TRIP	A	1,132	—	—	10,369 Direct	+12.26%	Acquired	(price as of 2026-08-21)
Dec. 4, 2019	TRIP	A	1,471	—	—	13,475 Direct	+12.25%	Acquired	(price as of 2026-08-21)
Aug. 13, 2019	TRIP	S	752	$40.71	$30,614	0 Direct	-100.00%	Disposed	-75.5% (price as of 2026-08-21)
Aug. 13, 2019	TRIP	S	2,657	$40.09	$106,519	752 Direct	-77.94%	Disposed	-75.2% (price as of 2026-08-21)
June 15, 2019	TRIP	M	6,132	—	—	12,262 Direct	-33.34%	Disposed	(price as of 2026-08-21)
June 15, 2019	TRIP	F	2,723	$46.28	$126,020	3,409 Direct	-44.41%	Disposed	-78.5% (price as of 2026-08-21)
June 15, 2019	TRIP	M	6,132	$46.28	$283,789	6,132 Direct	—	Acquired	-78.5% (price as of 2026-08-21)
Feb. 27, 2019	TRIP	A	9,237	—	—	9,237 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 27, 2019	TRIP	A	18,474	—	—	18,474 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 27, 2019	TRIP	A	22,401	—	—	22,401 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 22, 2019	TRIP	M	7,082	—	—	21,244 Direct	-25.00%	Disposed	(price as of 2026-08-21)
Feb. 22, 2019	TRIP	M	18,240	—	—	29,990 Direct	-37.82%	Disposed	(price as of 2026-08-21)
Feb. 22, 2019	TRIP	S	11,409	$55.13	$628,978	0 Direct	-100.00%	Disposed	-81.9% (price as of 2026-08-21)
Feb. 22, 2019	TRIP	S	3,247	$55.21	$179,267	11,409 Direct	-22.15%	Disposed	-82.0% (price as of 2026-08-21)
Feb. 22, 2019	TRIP	F	6,115	$55.21	$337,609	14,656 Direct	-29.44%	Disposed	-82.0% (price as of 2026-08-21)
Feb. 22, 2019	TRIP	M	7,082	$41.65	$294,965	20,771 Direct	+51.73%	Acquired	-76.1% (price as of 2026-08-21)
Feb. 22, 2019	TRIP	F	15,960	$55.23	$881,471	13,689 Direct	-53.83%	Disposed	-82.0% (price as of 2026-08-21)
Feb. 22, 2019	TRIP	M	18,240	$42.81	$780,854	29,649 Direct	+159.87%	Acquired	-76.7% (price as of 2026-08-21)
Feb. 15, 2019	TRIP	M	7,300	—	—	14,598 Direct	-33.34%	Disposed	(price as of 2026-08-21)
Feb. 15, 2019	TRIP	M	4,951	—	—	4,951 Direct	-50.00%	Disposed	(price as of 2026-08-21)
Feb. 15, 2019	TRIP	M	1,043	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Feb. 15, 2019	TRIP	M	6,003	—	—	18,006 Direct	-25.00%	Disposed	(price as of 2026-08-21)
Feb. 15, 2019	TRIP	S	17,655	$56.68	$1,000,685	11,409 Direct	-60.75%	Disposed	-82.4% (price as of 2026-08-21)
Feb. 15, 2019	TRIP	F	2,147	$57.76	$124,011	29,064 Direct	-6.88%	Disposed	-82.8% (price as of 2026-08-21)
Feb. 15, 2019	TRIP	M	7,300	$57.76	$421,648	31,211 Direct	+30.53%	Acquired	-82.8% (price as of 2026-08-21)
Feb. 15, 2019	TRIP	F	1,449	$57.76	$83,694	23,911 Direct	-5.71%	Disposed	-82.8% (price as of 2026-08-21)
Feb. 15, 2019	TRIP	M	4,951	$57.76	$285,970	25,360 Direct	+24.26%	Acquired	-82.8% (price as of 2026-08-21)
Feb. 15, 2019	TRIP	F	362	$57.76	$20,909	20,409 Direct	-1.74%	Disposed	-82.8% (price as of 2026-08-21)
Feb. 15, 2019	TRIP	M	1,043	$57.76	$60,244	20,771 Direct	+5.29%	Acquired	-82.8% (price as of 2026-08-21)
Feb. 15, 2019	TRIP	F	2,063	$57.76	$119,159	19,728 Direct	-9.47%	Disposed	-82.8% (price as of 2026-08-21)
Feb. 15, 2019	TRIP	M	6,003	$57.76	$346,733	21,791 Direct	+38.02%	Acquired	-82.8% (price as of 2026-08-21)
Dec. 31, 2018	TRIP	M	28,423	—	—	28,423 Direct	-50.00%	Disposed	(price as of 2026-08-21)
Dec. 31, 2018	TRIP	F	12,635	$53.55	$676,604	15,788 Direct	-44.45%	Disposed	-81.4% (price as of 2026-08-21)
Dec. 31, 2018	TRIP	M	28,423	—	—	28,423 Direct	—	Acquired	(price as of 2026-08-21)
Aug. 7, 2018	TRIP	M	6,490	—	—	48,230 Direct	-11.86%	Disposed	(price as of 2026-08-21)
Aug. 7, 2018	TRIP	D	3,417	$54.45	$186,056	0 Direct	-100.00%	Disposed	-81.7% (price as of 2026-08-21)
Aug. 7, 2018	TRIP	D	765	$54.43	$41,639	3,417 Direct	-18.29%	Disposed	-81.7% (price as of 2026-08-21)
Aug. 7, 2018	TRIP	F	5,725	$54.42	$311,554	4,182 Direct	-57.79%	Disposed	-81.7% (price as of 2026-08-21)
Aug. 7, 2018	TRIP	M	6,490	$42.81	$277,837	9,907 Direct	+189.93%	Acquired	-76.7% (price as of 2026-08-21)
June 15, 2018	TRIP	M	6,132	—	—	18,394 Direct	-25.00%	Disposed	(price as of 2026-08-21)
June 15, 2018	TRIP	F	2,726	$57.73	$157,372	3,418 Direct	-44.37%	Disposed	-82.8% (price as of 2026-08-21)
June 15, 2018	TRIP	M	6,132	$57.73	$354,000	6,144 Direct	+51100.00%	Acquired	-82.8% (price as of 2026-08-21)
June 15, 2018	TRIP	M	6,132	—	—	15,766 Direct	-28.00%	Disposed	(price as of 2026-08-21)
June 15, 2018	TRIP	F	2,726	$57.73	$157,372	3,418 Direct	-44.37%	Disposed	-82.8% (price as of 2026-08-21)
June 15, 2018	TRIP	M	6,132	$57.73	$354,000	6,144 Direct	+51100.00%	Acquired	-82.8% (price as of 2026-08-21)
May 11, 2018	TRIP	M	18,240	—	—	54,720 Direct	-25.00%	Disposed	(price as of 2026-08-21)
May 11, 2018	TRIP	M	36,667	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
May 11, 2018	TRIP	M	3,533	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
May 11, 2018	TRIP	M	9,213	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
May 11, 2018	TRIP	D	36,667	$48.97	$1,795,583	0 Direct	-100.00%	Disposed	-79.7% (price as of 2026-08-21)
May 11, 2018	TRIP	D	3,533	$49.21	$173,859	36,667 Direct	-8.79%	Disposed	-79.8% (price as of 2026-08-21)
May 11, 2018	TRIP	D	100	$49.07	$4,907	40,200 Direct	-0.25%	Disposed	-79.7% (price as of 2026-08-21)
May 11, 2018	TRIP	D	700	$49.07	$34,349	40,300 Direct	-1.71%	Disposed	-79.7% (price as of 2026-08-21)
May 11, 2018	TRIP	D	505	$49.06	$24,775	41,000 Direct	-1.22%	Disposed	-79.7% (price as of 2026-08-21)
May 11, 2018	TRIP	D	9,213	$49.16	$452,911	41,505 Direct	-18.17%	Disposed	-79.7% (price as of 2026-08-21)
May 11, 2018	TRIP	D	16,935	$49.20	$833,202	50,718 Direct	-25.03%	Disposed	-79.8% (price as of 2026-08-21)
May 11, 2018	TRIP	M	18,240	$42.81	$780,854	67,653 Direct	+36.91%	Acquired	-76.7% (price as of 2026-08-21)
May 11, 2018	TRIP	M	36,667	$45.27	$1,659,915	49,413 Direct	+287.67%	Acquired	-78.0% (price as of 2026-08-21)
May 11, 2018	TRIP	M	3,533	$45.27	$159,939	12,746 Direct	+38.35%	Acquired	-78.0% (price as of 2026-08-21)
May 11, 2018	TRIP	M	9,213	$45.27	$417,073	9,213 Direct	—	Acquired	-78.0% (price as of 2026-08-21)
Feb. 22, 2018	TRIP	A	12,004	—	—	12,004 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 22, 2018	TRIP	A	28,326	—	—	28,326 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 22, 2018	TRIP	A	24,009	—	—	24,009 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 22, 2018	TRIP	A	12,004	—	—	12,004 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 22, 2018	TRIP	A	28,326	—	—	28,326 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 22, 2018	TRIP	A	24,009	—	—	24,009 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 20, 2018	TRIP	S	26,313	$42.49	$1,118,039	0 Direct	-100.00%	Disposed	-76.6% (price as of 2026-08-21)
Feb. 15, 2018	TRIP	F	285	$40.72	$11,605	30,296 Direct	-0.93%	Disposed	-75.6% (price as of 2026-08-21)
Feb. 15, 2018	TRIP	F	363	$40.72	$14,781	29,933 Direct	-1.20%	Disposed	-75.6% (price as of 2026-08-21)
Feb. 15, 2018	TRIP	F	1,470	$40.72	$59,858	28,463 Direct	-4.91%	Disposed	-75.6% (price as of 2026-08-21)
Feb. 15, 2018	TRIP	F	2,150	$40.72	$87,548	26,313 Direct	-7.55%	Disposed	-75.6% (price as of 2026-08-21)
Feb. 15, 2018	TRIP	M	7,300	—	—	21,898 Direct	-25.00%	Disposed	(price as of 2026-08-21)
Feb. 15, 2018	TRIP	M	4,952	—	—	9,902 Direct	-33.34%	Disposed	(price as of 2026-08-21)
Feb. 15, 2018	TRIP	M	1,043	—	—	1,043 Direct	-50.00%	Disposed	(price as of 2026-08-21)
Feb. 15, 2018	TRIP	M	967	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Feb. 15, 2018	TRIP	M	7,300	$40.72	$297,256	30,581 Direct	+31.36%	Acquired	-75.6% (price as of 2026-08-21)
Feb. 15, 2018	TRIP	M	4,952	$40.72	$201,645	23,281 Direct	+27.02%	Acquired	-75.6% (price as of 2026-08-21)
Feb. 15, 2018	TRIP	M	1,043	$40.72	$42,471	18,329 Direct	+6.03%	Acquired	-75.6% (price as of 2026-08-21)

Showing latest 100 of 186 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. 15, 2020	TRIP	Restricted Stock Units	Common Stock (5,185)	$0.00	Feb. 16, 2023	5,185	Disposed
Feb. 15, 2020	TRIP	Restricted Stock Units	Common Stock (8,193)	$0.00	Feb. 28, 2017	8,193	Disposed
Feb. 15, 2020	TRIP	Restricted Stock Units	Common Stock (5,557)	$0.00	Feb. 15, 2020	5,557	Disposed
Feb. 15, 2020	TRIP	Restricted Stock Units	Common Stock (6,737)	$0.00	Feb. 15, 2022	6,737	Disposed
Dec. 31, 2019	TRIP	Restricted Stock Units	Common Stock (31,907)	$46.91	Dec. 31, 2019	31,907	Disposed
Dec. 4, 2019	TRIP	Restricted Stock Units	Common Stock (2,264)	$0.00	Feb. 16, 2023	2,264	Acquired
Dec. 4, 2019	TRIP	Restricted Stock Units	Common Stock (1,789)	$0.00	Feb. 28, 2017	1,789	Acquired
Dec. 4, 2019	TRIP	Restricted Stock Units	Common Stock (1,503)	$42.81	June 15, 2021	1,503	Acquired
Dec. 4, 2019	TRIP	Restricted Stock Units	Common Stock (3,484)	$46.91	Dec. 31, 2019	3,484	Acquired
Dec. 4, 2019	TRIP	Restricted Stock Units	Common Stock (606)	$0.00	Feb. 15, 2020	606	Acquired
Dec. 4, 2019	TRIP	Restricted Stock Units (TSR performance-based)	Common Stock, Par Value $.001 Per Share (2,207)	$0.00	Jan. 1, 2021	2,207	Acquired
Dec. 4, 2019	TRIP	Restricted Stock Units (TSR performance-based)	Common Stock, Par Value $.001 Per Share (1,132)	$0.00	Feb. 16, 2022	1,132	Acquired
Dec. 4, 2019	TRIP	Restricted Stock Units (TSR performance-based)	Common Stock, Par Value $.001 Per Share (1,471)	$0.00	Jan. 1, 2021	1,471	Acquired
June 15, 2019	TRIP	Restricted Stock Units	Common Stock (6,132)	$42.81	June 15, 2021	6,132	Disposed
Feb. 27, 2019	TRIP	Restricted Stock Units (TSR performance-based)	Common Stock, Par Value $.001 Per Share	$0.00	Feb. 16, 2022	9,237	Acquired
Feb. 27, 2019	TRIP	Restricted Stock Units	Common Stock (18,474)	$0.00	Feb. 16, 2023	18,474	Acquired
Feb. 27, 2019	TRIP	Stock Option	Common Stock, Par Value $.001 Per Share (22,401)	$54.13	Feb. 27, 2029	22,401	Acquired
Feb. 22, 2019	TRIP	Stock Option (Right to Buy)	Common Stock (7,082)	$41.65	Feb. 22, 2028	7,082	Disposed
Feb. 22, 2019	TRIP	Stock Option (Right to Buy)	Common Stock (18,240)	$42.81	Feb. 27, 2027	18,240	Disposed
Feb. 15, 2019	TRIP	Restricted Stock Units	Common Stock (7,300)	$0.00	Feb. 28, 2017	7,300	Disposed
Feb. 15, 2019	TRIP	Restricted Stock Units	Common Stock (4,951)	$0.00	Feb. 15, 2020	4,951	Disposed
Feb. 15, 2019	TRIP	Restricted Stock Units	Common Stock (1,043)	$0.00	Feb. 15, 2019	1,043	Disposed
Feb. 15, 2019	TRIP	Restricted Stock Units	Common Stock (6,003)	$0.00	Feb. 15, 2022	6,003	Disposed
Dec. 31, 2018	TRIP	Restricted Stock Units	Common Stock (28,423)	$46.91	Dec. 31, 2019	28,423	Disposed
Aug. 7, 2018	TRIP	Stock Option (Right to Buy)	Common Stock (6,490)	$42.81	Feb. 27, 2027	6,490	Disposed
June 15, 2018	TRIP	Restricted Stock Units	Common Stock (6,132)	$42.81	June 15, 2021	6,132	Disposed
June 15, 2018	TRIP	Restricted Stock Units	Common Stock (6,132)	$0.00	Feb. 28, 2017	6,132	Disposed
May 11, 2018	TRIP	Stock Option (Right to Buy)	Common Stock (18,240)	$42.81	Feb. 27, 2027	18,240	Disposed
May 11, 2018	TRIP	Stock Option (Right to Buy)	Common Stock (36,667)	$45.27	Feb. 27, 2020	36,667	Disposed
May 11, 2018	TRIP	Stock Option (Right to Buy)	Common Stock (3,533)	$45.27	Feb. 27, 2020	3,533	Disposed
May 11, 2018	TRIP	Stock Option (Right to Buy)	Common Stock (9,213)	$45.27	Feb. 27, 2023	9,213	Disposed
Feb. 22, 2018	TRIP	Restricted Stock Units (TSR performance-based)	Common Stock, Par Value $.001 Per Share (12,004)	$0.00	Jan. 1, 2021	12,004	Acquired
Feb. 22, 2018	TRIP	Stock Option (Right to Buy)	Common Stock (28,326)	$41.65	Feb. 22, 2028	28,326	Acquired
Feb. 22, 2018	TRIP	Restricted Stock Units	Common Stock (24,009)	$0.00	Feb. 15, 2022	24,009	Acquired
Feb. 22, 2018	TRIP	Restricted Stock Units (TSR performance-based)	Common Stock, Par Value $.001 Per Share (12,004)	$0.00	Jan. 1, 2021	12,004	Acquired
Feb. 22, 2018	TRIP	Stock Option (Right to Buy)	Common Stock (28,326)	$41.65	Feb. 15, 2022	28,326	Acquired
Feb. 22, 2018	TRIP	Restricted Stock Units	Common Stock (24,009)	$0.00	Feb. 15, 2022	24,009	Acquired
Feb. 15, 2018	TRIP	Restricted Stock Units	Common Stock (7,300)	$0.00	Feb. 28, 2017	7,300	Disposed
Feb. 15, 2018	TRIP	Restricted Stock Units	Common Stock (4,952)	$0.00	Feb. 15, 2020	4,952	Disposed
Feb. 15, 2018	TRIP	Restricted Stock Units	Common Stock (1,043)	$0.00	Feb. 15, 2019	1,043	Disposed
Feb. 15, 2018	TRIP	Restricted Stock Units	Common Stock (967)	$0.00	Feb. 16, 2018	967	Disposed
Dec. 29, 2017	TRIP	Restricted Stock Units	Common Stock (28,423)	$46.91	Dec. 31, 2019	28,423	Disposed
Aug. 18, 2017	TRIP	Stock Option (Right to Buy)	Common Stock (6,595)	$29.48	Nov. 30, 2018	6,595	Disposed
May 9, 2017	TRIP	Restricted Stock Units	Common Stock (28,423)	$46.91	Dec. 31, 2019	28,423	Acquired
May 9, 2017	TRIP	Restricted Stock Units	Common Stock (85,269)	$46.91	Dec. 31, 2019	85,269	Acquired
Feb. 27, 2017	TRIP	Restricted Stock Units	Common Stock (24,526)	$42.81	June 15, 2021	24,526	Acquired
Feb. 27, 2017	TRIP	Stock Option (Right to Buy)	Common Stock (25,960)	$42.81	Feb. 27, 2027	25,960	Acquired
Feb. 27, 2017	TRIP	Restricted Stock Units	Common Stock (29,198)	$42.81	Feb. 28, 2017	29,198	Acquired
Feb. 27, 2017	TRIP	Stock Option (Right to Buy)	Common Stock (72,960)	$42.81	Feb. 27, 2027	72,960	Acquired
Feb. 15, 2017	TRIP	Restricted Stock Units	Common Stock (1,043)	$0.00	Feb. 15, 2019	1,043	Disposed
Feb. 15, 2017	TRIP	Restricted Stock Units	Common Stock (4,952)	$0.00	Feb. 15, 2020	4,952	Disposed
Feb. 15, 2017	TRIP	Restricted Stock Units	Common Stock (967)	$0.00	Feb. 16, 2018	967	Disposed
Feb. 15, 2017	TRIP	Restricted Stock Units	Common Stock (1,071)	$0.00	Feb. 20, 2017	1,071	Disposed
Aug. 24, 2016	TRIP	Stock Option (Right to Buy)	Common Stock (10,000)	$45.27	Feb. 27, 2020	10,000	Disposed
Aug. 9, 2016	TRIP	Stock Option (Right to Buy)	Common Stock (20,000)	$45.27	Feb. 27, 2020	20,000	Disposed
May 11, 2016	TRIP	Stock Option (Right to Buy)	Common Stock (5,000)	$29.48	Nov. 30, 2018	5,000	Disposed
March 7, 2016	TRIP	Stock Option (Right to Buy)	Common Stock (10,000)	$45.27	Feb. 27, 2023	10,000	Disposed
March 3, 2016	TRIP	Stock Option (Right to Buy)	Common Stock (10,000)	$45.27	Feb. 27, 2020	10,000	Disposed
Feb. 22, 2016	TRIP	Stock Option (Right to Buy)	Common Stock (51,398)	$63.11	Feb. 15, 2026	51,398	Acquired
Feb. 22, 2016	TRIP	Restricted Stock Units	Common Stock (19,806)	$0.00	—	19,806	Acquired
Feb. 12, 2016	TRIP	Restricted Stock Units	Common Stock (967)	$0.00	Feb. 15, 2020	967	Disposed
Feb. 12, 2016	TRIP	Restricted Stock Units	Common Stock (1,044)	$0.00	Feb. 15, 2019	1,044	Disposed
Feb. 12, 2016	TRIP	Restricted Stock Units	Common Stock (1,072)	$0.00	Feb. 15, 2018	1,072	Disposed
Nov. 20, 2015	TRIP	Stock Option (Right to Buy)	Common Stock (12,000)	$45.27	Feb. 27, 2020	12,000	Disposed
Nov. 11, 2015	TRIP	Stock Option (Right to Buy)	Common Stock (7,800)	$45.27	Feb. 27, 2020	7,800	Disposed
Nov. 11, 2015	TRIP	Stock Option (Right to Buy)	Common Stock (13,595)	$29.48	Nov. 30, 2018	13,595	Disposed
May 12, 2015	TRIP	Stock Option (Right to Buy)	Common Stock (5,000)	$29.48	Nov. 30, 2018	5,000	Disposed
Feb. 27, 2015	TRIP	Stock Option (Right to Buy)	Common Stock (10,594)	$89.86	Feb. 26, 2025	10,594	Acquired
Feb. 27, 2015	TRIP	Restricted Stock Units	Common Stock (4,173)	$0.00	Feb. 15, 2020	4,173	Acquired
Feb. 20, 2015	TRIP	Stock Option (Right to Buy)	Common Stock (5,000)	$29.48	Nov. 30, 2018	5,000	Disposed
Feb. 17, 2015	TRIP	Restricted Stock Units	Common Stock (968)	$0.00	—	968	Disposed
Feb. 15, 2015	TRIP	Restricted Stock Units	Common Stock (968)	$0.00	—	968	Disposed
Feb. 15, 2015	TRIP	Restricted Stock Units	Common Stock (1,072)	$0.00	—	1,072	Disposed
Feb. 15, 2015	TRIP	Restricted Stock Units	Common Stock (1,072)	$0.00	—	1,072	Disposed

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

Initial ownership (Form 3) 16 holdings

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

Date	Ticker	Security	Shares	Ownership
Feb. 24, 2015	TRIP	Common Stock, Par Value $.001 Per Share	2,360	Direct
Feb. 24, 2015	TRIP	Restricted Stock Units→ Common Stock (3,215)	3,215	Direct
Feb. 24, 2015	TRIP	Restricted Stock Units→ Common Stock (3,869)	3,869	Direct
Feb. 24, 2015	TRIP	Stock Option (Right to Buy)→ Common Stock (47,190)	47,190	Direct
Feb. 24, 2015	TRIP	Stock Option (Right to Buy)→ Common Stock (66,667)	66,667	Direct
Feb. 24, 2015	TRIP	Stock Option (Right to Buy)→ Common Stock (33,333)	33,333	Direct
Feb. 24, 2015	TRIP	Stock Option (Right to Buy)→ Common Stock (19,213)	19,213	Direct
Feb. 24, 2015	TRIP	Stock Option (Right to Buy)→ Common Stock (7,973)	7,973	Direct
Feb. 17, 2015	TRIP	Common Stock, Par Value $.001 Per Share	2,360	Direct
Feb. 17, 2015	TRIP	Restricted Stock Units→ Common Stock (3,215)	3,215	Direct
Feb. 17, 2015	TRIP	Restricted Stock Units→ Common Stock (3,869)	3,869	Direct
Feb. 17, 2015	TRIP	Stock Option (Right to Buy)→ Common Stock (47,190)	47,190	Direct
Feb. 17, 2015	TRIP	Stock Option (Right to Buy)→ Common Stock (66,667)	66,667	Direct
Feb. 17, 2015	TRIP	Stock Option (Right to Buy)→ Common Stock (33,333)	33,333	Direct
Feb. 17, 2015	TRIP	Stock Option (Right to Buy)→ Common Stock (19,213)	19,213	Direct
Feb. 17, 2015	TRIP	Stock Option (Right to Buy)→ Common Stock (7,973)	7,973	Direct