Thomas Falk

Insider

First SEC filing: Sept. 20, 2016 · Latest: Feb. 14, 2019

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

TTD selling May 11, 2020

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 15 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

15 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 26, 2020	TTD	A	901	—	—	1,901 Direct	+90.10%	Acquired	(price as of 2026-08-20)
May 26, 2020	TTD	A	40	$249.66	$9,986	2,121 Direct	+1.92%	Acquired	-46.1% (price as of 2026-08-20)
May 26, 2020	TTD	A	180	$249.66	$44,939	2,081 Direct	+9.47%	Acquired	-46.1% (price as of 2026-08-20)
May 11, 2020	TTD	S	8,640	$306.89	$2,651,530	1,000 Direct	-89.63%	Disposed	-56.1% (price as of 2026-08-20)
May 11, 2020	TTD	S	1,000	$305.91	$305,910	9,640 Direct	-9.40%	Disposed	-56.0% (price as of 2026-08-20)
April 30, 2020	TTD	S	100	$301.17	$30,117	0 Indirect	-100.00%	Disposed	-55.3% (price as of 2026-08-20)
April 30, 2020	TTD	S	200	$301.16	$60,232	100 Indirect	-66.67%	Disposed	-55.3% (price as of 2026-08-20)
April 30, 2020	TTD	S	11,606	$300.26	$3,484,818	300 Indirect	-97.48%	Disposed	-55.2% (price as of 2026-08-20)
March 3, 2020	TTD	S	1,687	$281.40	$474,722	11,906 Indirect	-12.41%	Disposed	-52.1% (price as of 2026-08-20)
March 3, 2020	TTD	S	27,138	$280.15	$7,602,711	13,593 Indirect	-66.63%	Disposed	-51.9% (price as of 2026-08-20)
June 11, 2019	TTD	S	25,000	$250.00	$6,250,000	40,731 Indirect	-38.03%	Disposed	-46.1% (price as of 2026-08-20)
April 30, 2019	TTD	A	48	$207.03	$9,937	10,640 Direct	+0.45%	Acquired	-35.0% (price as of 2026-08-20)
April 30, 2019	TTD	A	217	$207.03	$44,926	10,592 Direct	+2.09%	Acquired	-35.0% (price as of 2026-08-20)
April 30, 2019	TTD	A	1,086	—	—	10,375 Direct	+11.69%	Acquired	(price as of 2026-08-20)
April 15, 2019	TTD	S 10b5-1	900	$200.09	$180,081	65,731 Indirect	-1.35%	Disposed	-32.7% (price as of 2026-08-20)
April 15, 2019	TTD	S 10b5-1	24,100	$199.21	$4,800,961	66,631 Indirect	-26.56%	Disposed	-32.4% (price as of 2026-08-20)
Jan. 22, 2019	TTD	A	20	$134.02	$2,680	9,289 Direct	+0.22%	Acquired	0.5% (price as of 2026-08-20)
Jan. 17, 2019	TTD	S 10b5-1	5,424	$133.01	$721,446	78,825 Indirect	-6.44%	Disposed	1.2% (price as of 2026-08-20)
Jan. 16, 2019	TTD	S 10b5-1	1,986	$134.11	$266,342	84,249 Indirect	-2.30%	Disposed	0.4% (price as of 2026-08-20)
Jan. 16, 2019	TTD	S 10b5-1	29,010	$133.30	$3,867,033	86,235 Indirect	-25.17%	Disposed	1.0% (price as of 2026-08-20)
Jan. 15, 2019	TTD	S 10b5-1	1,200	$133.00	$159,600	115,245 Indirect	-1.03%	Disposed	1.2% (price as of 2026-08-20)
Oct. 1, 2018	TTD	S 10b5-1	84	$152.64	$12,822	0 Indirect	-100.00%	Disposed	-11.8% (price as of 2026-08-20)
Oct. 1, 2018	TTD	S 10b5-1	1,500	$151.71	$227,565	84 Indirect	-94.70%	Disposed	-11.2% (price as of 2026-08-20)
Oct. 1, 2018	TTD	S 10b5-1	715	$151.07	$108,015	1,584 Indirect	-31.10%	Disposed	-10.9% (price as of 2026-08-20)
Oct. 1, 2018	TTD	S 10b5-1	1,975	$148.91	$294,097	2,299 Indirect	-46.21%	Disposed	-9.6% (price as of 2026-08-20)
Oct. 1, 2018	TTD	S 10b5-1	500	$147.92	$73,960	4,274 Indirect	-10.47%	Disposed	-9.0% (price as of 2026-08-20)
Oct. 1, 2018	TTD	S 10b5-1	2,600	$146.85	$381,810	4,774 Indirect	-35.26%	Disposed	-8.3% (price as of 2026-08-20)
Oct. 1, 2018	TTD	S 10b5-1	14,542	$145.92	$2,121,969	7,374 Indirect	-66.35%	Disposed	-7.7% (price as of 2026-08-20)
Oct. 1, 2018	TTD	S 10b5-1	8,868	$144.99	$1,285,771	21,916 Indirect	-28.81%	Disposed	-7.1% (price as of 2026-08-20)
Oct. 1, 2018	TTD	S 10b5-1	12,964	$143.70	$1,862,927	30,784 Indirect	-29.63%	Disposed	-6.3% (price as of 2026-08-20)
Oct. 1, 2018	TTD	S 10b5-1	14,708	$143.00	$2,103,244	43,748 Indirect	-25.16%	Disposed	-5.8% (price as of 2026-08-20)
July 18, 2018	TTD	S 10b5-1	37,859	$95.08	$3,599,634	58,456 Indirect	-39.31%	Disposed	41.6% (price as of 2026-08-20)
July 17, 2018	TTD	S 10b5-1	100,069	$93.97	$9,403,484	96,315 Indirect	-50.96%	Disposed	43.3% (price as of 2026-08-20)
July 16, 2018	TTD	S 10b5-1	62,072	$93.18	$5,783,869	196,384 Indirect	-24.02%	Disposed	44.5% (price as of 2026-08-20)
May 22, 2018	TTD	C	66,445	—	—	0 Indirect	-100.00%	Disposed	(price as of 2026-08-20)
May 22, 2018	TTD	C	66,445	—	—	116,445 Indirect	+132.89%	Acquired	(price as of 2026-08-20)
May 3, 2018	TTD	A	1,072	$49.44	$53,000	9,390 Direct	+12.89%	Acquired	172.4% (price as of 2026-08-20)
May 3, 2018	TTD	A	4,045	—	—	8,318 Direct	+94.66%	Acquired	(price as of 2026-08-20)
March 29, 2018	TTD	C	183,556	—	—	0 Indirect	-100.00%	Disposed	(price as of 2026-08-20)
March 29, 2018	TTD	C	183,556	—	—	269,608 Indirect	+213.31%	Acquired	(price as of 2026-08-20)
July 20, 2017	TTD	A	972	$54.52	$52,993	4,273 Direct	+29.45%	Acquired	147.0% (price as of 2026-08-20)
July 20, 2017	TTD	A	3,301	—	—	3,301 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
May 22, 2018	TTD	Class B Common Stock	Class A Common Stock (66,445)	—	—	66,445	Disposed
March 29, 2018	TTD	Class B Common Stock	Class A Common Stock (183,556)	—	—	183,556	Disposed

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

Initial ownership (Form 3) 4 holdings

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

Date	Ticker	Security	Shares	Ownership
Sept. 20, 2016	TTD	Series A-3 Preferred Stock→ Class B Common Stock [F2,F3]	—	Indirect
Sept. 20, 2016	TTD	Seed Preferred Stock→ Class B Common Stock [F2,F3]	—	Indirect
Sept. 20, 2016	TTD	Series A-1 Preferred Stock→ Class B Common Stock [F2,F3]	—	Indirect
Sept. 20, 2016	TTD	Series A-3 Preferred Stock→ Class B Common Stock [F2,F3]	—	Indirect