Simon Maisey

Insider

First SEC filing: April 4, 2019 · Latest: April 4, 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

TW selling June 15, 2022

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 45 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

45 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 15, 2022	TW	S 10b5-1	1,000	$65.45	$65,450	65,675 Direct	-1.50%	Disposed	58.4% (price as of 2026-08-20)
May 16, 2022	TW	S 10b5-1	1,000	$66.84	$66,840	66,675 Direct	-1.48%	Disposed	55.1% (price as of 2026-08-20)
April 18, 2022	TW	S 10b5-1	682	$84.12	$57,370	67,675 Direct	-1.00%	Disposed	23.3% (price as of 2026-08-20)
April 18, 2022	TW	S 10b5-1	318	$83.04	$26,407	68,357 Direct	-0.46%	Disposed	24.9% (price as of 2026-08-20)
March 18, 2022	TW	A	12	—	—	68,675 Direct	+0.02%	Acquired	(price as of 2026-08-20)
March 18, 2022	TW	F	1,613	$89.88	$144,976	68,663 Direct	-2.30%	Disposed	15.4% (price as of 2026-08-20)
March 16, 2022	TW	F	913	$87.43	$79,824	70,273 Direct	-1.28%	Disposed	18.6% (price as of 2026-08-20)
March 16, 2022	TW	A	3	—	—	70,276 Direct	0.00%	Acquired	(price as of 2026-08-20)
March 15, 2022	TW	A	5,612	—	—	— Direct	—	Disposed	(price as of 2026-08-20)
March 15, 2022	TW	S 10b5-1	800	$85.80	$68,640	65,574 Direct	-1.21%	Disposed	20.9% (price as of 2026-08-20)
March 15, 2022	TW	S 10b5-1	200	$84.50	$16,900	66,374 Direct	-0.30%	Disposed	22.7% (price as of 2026-08-20)
Feb. 24, 2022	TW	A	45,290	—	—	126,318 Direct	+55.89%	Acquired	(price as of 2026-08-20)
Feb. 24, 2022	TW	A	11,650	—	—	66,574 Direct	+21.21%	Acquired	(price as of 2026-08-20)
Feb. 15, 2022	TW	S 10b5-1	1,000	$83.66	$83,660	54,924 Direct	-1.79%	Disposed	24.0% (price as of 2026-08-20)
Jan. 14, 2022	TW	M 10b5-1	6,000	—	—	81,028 Direct	-6.89%	Disposed	(price as of 2026-08-20)
Jan. 14, 2022	TW	S 10b5-1	11,000	$91.19	$1,003,090	55,924 Direct	-16.44%	Disposed	13.7% (price as of 2026-08-20)
Jan. 14, 2022	TW	M 10b5-1	6,000	$20.59	$123,540	66,924 Direct	+9.85%	Acquired	403.6% (price as of 2026-08-20)
Jan. 10, 2022	TW	S 10b5-1	750	$90.65	$67,988	60,924 Direct	-1.22%	Disposed	14.4% (price as of 2026-08-20)
Jan. 3, 2022	TW	A	341	—	—	61,674 Direct	+0.56%	Acquired	(price as of 2026-08-20)
Jan. 3, 2022	TW	F	18,614	$100.14	$1,864,006	61,333 Direct	-23.28%	Disposed	3.6% (price as of 2026-08-20)
Dec. 10, 2021	TW	S 10b5-1	750	$95.44	$71,580	79,947 Direct	-0.93%	Disposed	8.7% (price as of 2026-08-20)
Nov. 10, 2021	TW	S 10b5-1	750	$95.22	$71,415	80,697 Direct	-0.92%	Disposed	8.9% (price as of 2026-08-20)
Oct. 11, 2021	TW	S 10b5-1	750	$83.67	$62,752	81,447 Direct	-0.91%	Disposed	23.9% (price as of 2026-08-20)
Sept. 10, 2021	TW	S 10b5-1	750	$87.50	$65,625	82,197 Direct	-0.90%	Disposed	18.5% (price as of 2026-08-20)
Aug. 10, 2021	TW	S 10b5-1	750	$88.82	$66,615	82,947 Direct	-0.90%	Disposed	16.8% (price as of 2026-08-20)
July 12, 2021	TW	S 10b5-1	750	$87.02	$65,265	83,697 Direct	-0.89%	Disposed	19.2% (price as of 2026-08-20)
June 17, 2021	TW	M 10b5-1	70,000	—	—	87,028 Direct	-44.58%	Disposed	(price as of 2026-08-20)
June 17, 2021	TW	S 10b5-1	23,791	$84.82	$2,017,953	84,447 Direct	-21.98%	Disposed	22.3% (price as of 2026-08-20)
June 17, 2021	TW	S 10b5-1	46,209	$84.44	$3,901,888	108,238 Direct	-29.92%	Disposed	22.8% (price as of 2026-08-20)
June 17, 2021	TW	M 10b5-1	70,000	$20.59	$1,441,300	154,447 Direct	+82.89%	Acquired	403.6% (price as of 2026-08-20)
June 10, 2021	TW	S 10b5-1	750	$83.08	$62,310	85,167 Direct	-0.87%	Disposed	24.8% (price as of 2026-08-20)
May 10, 2021	TW	S 10b5-1	750	$82.80	$62,100	85,917 Direct	-0.87%	Disposed	25.2% (price as of 2026-08-20)
April 12, 2021	TW	S 10b5-1	750	$78.74	$59,055	85,947 Direct	-0.87%	Disposed	31.7% (price as of 2026-08-20)
March 18, 2021	TW	A	7	—	—	86,697 Direct	+0.01%	Acquired	(price as of 2026-08-20)
March 18, 2021	TW	F	1,613	$72.75	$117,346	86,690 Direct	-1.83%	Disposed	42.5% (price as of 2026-08-20)
March 15, 2021	TW	A	5,825	—	—	88,303 Direct	+7.06%	Acquired	(price as of 2026-08-20)
March 10, 2021	TW	S 10b5-1	1,050	$73.91	$77,606	82,478 Direct	-1.26%	Disposed	40.3% (price as of 2026-08-20)
March 10, 2021	TW	S 10b5-1	1,500	$72.55	$108,825	83,528 Direct	-1.76%	Disposed	42.9% (price as of 2026-08-20)
Feb. 24, 2021	TW	A	45,290	—	—	157,028 Direct	+40.53%	Acquired	(price as of 2026-08-20)
Feb. 10, 2021	TW	M 10b5-1	7,500	—	—	111,738 Direct	-6.29%	Disposed	(price as of 2026-08-20)
Feb. 10, 2021	TW	S 10b5-1	1,750	$67.93	$118,878	85,028 Direct	-2.02%	Disposed	52.7% (price as of 2026-08-20)
Feb. 10, 2021	TW	S 10b5-1	800	$66.84	$53,472	86,778 Direct	-0.91%	Disposed	55.1% (price as of 2026-08-20)
Feb. 10, 2021	TW	S 10b5-1	4,080	$67.87	$276,910	87,578 Direct	-4.45%	Disposed	52.8% (price as of 2026-08-20)
Feb. 10, 2021	TW	S 10b5-1	3,420	$66.86	$228,661	91,658 Direct	-3.60%	Disposed	55.1% (price as of 2026-08-20)
Feb. 10, 2021	TW	M 10b5-1	7,500	$20.59	$154,425	95,078 Direct	+8.56%	Acquired	403.6% (price as of 2026-08-20)
Feb. 5, 2021	TW	A	20,580	—	—	87,578 Direct	+30.72%	Acquired	(price as of 2026-08-20)
Feb. 1, 2021	TW	A	452	—	—	66,998 Direct	+0.68%	Acquired	(price as of 2026-08-20)
Feb. 1, 2021	TW	F	11,576	$60.79	$703,705	66,546 Direct	-14.82%	Disposed	70.6% (price as of 2026-08-20)
Jan. 15, 2021	TW	S 10b5-1	1,900	$64.70	$122,930	78,122 Direct	-2.37%	Disposed	60.3% (price as of 2026-08-20)
Jan. 11, 2021	TW	M 10b5-1	7,500	—	—	119,238 Direct	-5.92%	Disposed	(price as of 2026-08-20)
Jan. 11, 2021	TW	S 10b5-1	7,500	$64.78	$485,850	80,022 Direct	-8.57%	Disposed	60.1% (price as of 2026-08-20)
Jan. 11, 2021	TW	M 10b5-1	7,500	$20.59	$154,425	87,522 Direct	+9.37%	Acquired	403.6% (price as of 2026-08-20)
Dec. 10, 2020	TW	M 10b5-1	7,500	—	—	126,738 Direct	-5.59%	Disposed	(price as of 2026-08-20)
Dec. 10, 2020	TW	S 10b5-1	1,561	$64.73	$101,044	80,022 Direct	-1.91%	Disposed	60.2% (price as of 2026-08-20)
Dec. 10, 2020	TW	S 10b5-1	5,939	$641728.00	$3,811,222,592	81,583 Direct	-6.79%	Disposed	-100.0% (price as of 2026-08-20)
Dec. 10, 2020	TW	M 10b5-1	7,500	$20.59	$154,425	87,522 Direct	+9.37%	Acquired	403.6% (price as of 2026-08-20)
Nov. 10, 2020	TW	M 10b5-1	7,500	—	—	134,238 Direct	-5.29%	Disposed	(price as of 2026-08-20)
Nov. 10, 2020	TW	S 10b5-1	2,859	$58.09	$166,079	80,022 Direct	-3.45%	Disposed	78.5% (price as of 2026-08-20)
Nov. 10, 2020	TW	S 10b5-1	4,641	$57.51	$266,904	82,881 Direct	-5.30%	Disposed	80.3% (price as of 2026-08-20)
Nov. 10, 2020	TW	M 10b5-1	7,500	$20.59	$154,425	87,522 Direct	+9.37%	Acquired	403.6% (price as of 2026-08-20)
Oct. 12, 2020	TW	M 10b5-1	7,500	—	—	141,738 Direct	-5.03%	Disposed	(price as of 2026-08-20)
Oct. 12, 2020	TW	S 10b5-1	7,500	$59.75	$448,125	80,022 Direct	-8.57%	Disposed	73.6% (price as of 2026-08-20)
Oct. 12, 2020	TW	M 10b5-1	7,500	$20.59	$154,425	87,522 Direct	+9.37%	Acquired	403.6% (price as of 2026-08-20)
Sept. 10, 2020	TW	M 10b5-1	7,500	$20.59	$154,425	87,522 Direct	+9.37%	Acquired	403.6% (price as of 2026-08-20)
Sept. 10, 2020	TW	S 10b5-1	3,699	$53.50	$197,896	83,823 Direct	-4.23%	Disposed	93.8% (price as of 2026-08-20)
Sept. 10, 2020	TW	S 10b5-1	3,601	$54.61	$196,651	80,222 Direct	-4.30%	Disposed	89.9% (price as of 2026-08-20)
Sept. 10, 2020	TW	S 10b5-1	200	$55.25	$11,050	80,022 Direct	-0.25%	Disposed	87.7% (price as of 2026-08-20)
Sept. 10, 2020	TW	M 10b5-1	7,500	—	—	149,238 Direct	-4.79%	Disposed	(price as of 2026-08-20)
Aug. 10, 2020	TW	M 10b5-1	7,500	—	—	156,738 Direct	-4.57%	Disposed	(price as of 2026-08-20)
Aug. 10, 2020	TW	S 10b5-1	3,750	$52.28	$196,050	80,022 Direct	-4.48%	Disposed	98.4% (price as of 2026-08-20)
Aug. 10, 2020	TW	S 10b5-1	100	$52.43	$5,243	83,772 Direct	-0.12%	Disposed	97.8% (price as of 2026-08-20)
Aug. 10, 2020	TW	S 10b5-1	3,650	$51.77	$188,960	83,872 Direct	-4.17%	Disposed	100.3% (price as of 2026-08-20)
Aug. 10, 2020	TW	M 10b5-1	7,500	$20.59	$154,425	87,522 Direct	+9.37%	Acquired	403.6% (price as of 2026-08-20)
July 10, 2020	TW	M 10b5-1	7,500	—	—	164,238 Direct	-4.37%	Disposed	(price as of 2026-08-20)
July 10, 2020	TW	S 10b5-1	7,500	$54.58	$409,350	80,022 Direct	-8.57%	Disposed	90.0% (price as of 2026-08-20)
July 10, 2020	TW	M 10b5-1	7,500	$20.59	$154,425	87,522 Direct	+9.37%	Acquired	403.6% (price as of 2026-08-20)
April 27, 2020	TW	D	37,770	$48.79	$1,842,798	80,022 Direct	-32.06%	Disposed	112.5% (price as of 2026-08-20)
April 22, 2020	TW	M	100,000	—	—	171,738 Direct	-36.80%	Disposed	(price as of 2026-08-20)
April 22, 2020	TW	F	68,215	$51.44	$3,508,980	117,792 Direct	-36.67%	Disposed	101.6% (price as of 2026-08-20)
April 22, 2020	TW	M	100,000	$20.59	$2,059,000	186,007 Direct	+116.27%	Acquired	403.6% (price as of 2026-08-20)
March 17, 2020	TW	A	10,290	—	—	86,007 Direct	+13.59%	Acquired	(price as of 2026-08-20)
Feb. 21, 2020	TW	A	45,290	—	—	271,738 Direct	+20.00%	Acquired	(price as of 2026-08-20)
Feb. 21, 2020	TW	A	39,604	—	—	75,717 Direct	+109.67%	Acquired	(price as of 2026-08-20)
Feb. 3, 2020	TW	A	308	—	—	36,113 Direct	+0.86%	Acquired	(price as of 2026-08-20)
Feb. 3, 2020	TW	F	5,036	$46.18	$232,562	35,805 Direct	-12.33%	Disposed	124.6% (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
Feb. 24, 2022	TW	Stock Option (Right to Buy)	Class A common stock (45,290)	$20.59	Oct. 26, 2028	45,290	Acquired
Jan. 14, 2022	TW	Stock Option (Right to Buy)	Class A common stock (6,000)	$20.59	Oct. 26, 2028	6,000	Disposed
June 17, 2021	TW	Stock Option (Right to Buy)	Class A common stock (70,000)	$20.59	Oct. 26, 2028	70,000	Disposed
Feb. 24, 2021	TW	Stock Option (Right to Buy)	Class A common stock (45,290)	$20.59	Oct. 26, 2028	45,290	Acquired
Feb. 10, 2021	TW	Stock Option (Right to Buy)	Class A common stock (7,500)	$20.59	Oct. 26, 2028	7,500	Disposed
Jan. 11, 2021	TW	Stock Option (Right to Buy)	Class A common stock (7,500)	$20.59	Oct. 26, 2028	7,500	Disposed
Dec. 10, 2020	TW	Stock Option (Right to Buy)	Class A common stock (7,500)	$20.59	Oct. 26, 2028	7,500	Disposed
Nov. 10, 2020	TW	Stock Option (Right to Buy)	Class A common stock (7,500)	$20.59	Oct. 26, 2028	7,500	Disposed
Oct. 12, 2020	TW	Stock Option (Right to Buy)	Class A common stock (7,500)	$20.59	Oct. 26, 2028	7,500	Disposed
Sept. 10, 2020	TW	Stock Option (Right to Buy)	Class A common stock (7,500)	$20.59	Oct. 26, 2028	7,500	Disposed
Aug. 10, 2020	TW	Stock Option (Right to Buy)	Class A common stock (7,500)	$20.59	Oct. 26, 2028	7,500	Disposed
July 10, 2020	TW	Stock Option (Right to Buy)	Class A common stock (7,500)	$20.59	Oct. 26, 2028	7,500	Disposed
April 22, 2020	TW	Stock Option (Right to Buy)	Class A common stock (100,000)	$20.59	Oct. 26, 2028	100,000	Disposed
Feb. 21, 2020	TW	Stock Option (Right to Buy)	Class A common stock (45,290)	$20.59	Oct. 26, 2028	45,290	Acquired

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
April 4, 2019	TW	Class A common stock [F1]	35,341	Direct
April 4, 2019	TW	Class D common stock→ Class C common stock (13,231)	13,231	Direct
April 4, 2019	TW	Non-voting common units of Tradeweb Markets LLC→ Class A common stock (13,231)	13,231	Direct
April 4, 2019	TW	Stock Option (Right to Buy)→ Class A common stock (226,449)	226,449	Direct