Ian N Baillie

Insider

First SEC filing: Nov. 4, 2004 · Latest: Nov. 4, 2004

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

MKTX selling Dec. 14, 2006

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 12 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

12 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Dec. 14, 2006	MKTX	S	700	$14.03	$9,821	40,800 Direct	-1.69%	Disposed	1055.4% (price as of 2026-08-21)
Dec. 14, 2006	MKTX	S	3,800	$14.00	$53,200	41,500 Direct	-8.39%	Disposed	1057.9% (price as of 2026-08-21)
Dec. 14, 2006	MKTX	S	5,241	$13.99	$73,322	45,300 Direct	-10.37%	Disposed	1058.7% (price as of 2026-08-21)
Dec. 14, 2006	MKTX	S	5,700	$13.98	$79,686	50,541 Direct	-10.13%	Disposed	1059.5% (price as of 2026-08-21)
Dec. 14, 2006	MKTX	S	5,700	$13.97	$79,629	56,241 Direct	-9.20%	Disposed	1060.3% (price as of 2026-08-21)
Dec. 14, 2006	MKTX	S	3,475	$13.96	$48,511	61,941 Direct	-5.31%	Disposed	1061.2% (price as of 2026-08-21)
Dec. 14, 2006	MKTX	S	3,191	$13.95	$44,514	65,416 Direct	-4.65%	Disposed	1062.0% (price as of 2026-08-21)
Dec. 14, 2006	MKTX	S	693	$13.94	$9,660	68,607 Direct	-1.00%	Disposed	1062.8% (price as of 2026-08-21)
Dec. 14, 2006	MKTX	M	27,300	$2.70	$73,710	69,300 Direct	+65.00%	Acquired	5903.7% (price as of 2026-08-21)
Dec. 14, 2006	MKTX	M	27,300	—	—	140,000 Direct	-16.32%	Disposed	(price as of 2026-08-21)
Dec. 14, 2006	MKTX	S	600	$14.05	$8,430	40,000 Direct	-1.48%	Disposed	1053.7% (price as of 2026-08-21)
Dec. 14, 2006	MKTX	S	200	$14.04	$2,808	40,600 Direct	-0.49%	Disposed	1054.6% (price as of 2026-08-21)
Dec. 13, 2006	MKTX	S	900	$14.34	$12,906	42,000 Direct	-2.10%	Disposed	1030.4% (price as of 2026-08-21)
Dec. 13, 2006	MKTX	S	300	$14.33	$4,299	42,900 Direct	-0.69%	Disposed	1031.2% (price as of 2026-08-21)
Dec. 13, 2006	MKTX	S	200	$14.32	$2,864	43,200 Direct	-0.46%	Disposed	1032.0% (price as of 2026-08-21)
Dec. 13, 2006	MKTX	S	500	$14.28	$7,140	43,400 Direct	-1.14%	Disposed	1035.2% (price as of 2026-08-21)
Dec. 13, 2006	MKTX	S	100	$14.27	$1,427	43,900 Direct	-0.23%	Disposed	1035.9% (price as of 2026-08-21)
Dec. 13, 2006	MKTX	S	400	$14.26	$5,704	44,000 Direct	-0.90%	Disposed	1036.7% (price as of 2026-08-21)
Dec. 13, 2006	MKTX	S	300	$14.25	$4,275	44,400 Direct	-0.67%	Disposed	1037.5% (price as of 2026-08-21)
Dec. 13, 2006	MKTX	M	2,700	$2.70	$7,290	44,700 Direct	+6.43%	Acquired	5903.7% (price as of 2026-08-21)
Dec. 13, 2006	MKTX	M	2,700	—	—	167,300 Direct	-1.59%	Disposed	(price as of 2026-08-21)
May 30, 2006	MKTX	P	2,100	$10.65	$22,365	42,000 Direct	+5.26%	Acquired	1422.1% (price as of 2026-08-21)
May 25, 2006	MKTX	P	9,900	$10.49	$103,851	39,900 Direct	+33.00%	Acquired	1445.3% (price as of 2026-08-21)
Jan. 9, 2006	MKTX	A	25,000	$11.18	$279,500	25,000 Direct	-50.00%	Disposed	1349.9% (price as of 2026-08-21)
Jan. 9, 2006	MKTX	A	20,000	—	—	30,000 Direct	+200.00%	Acquired	(price as of 2026-08-21)
Nov. 10, 2005	MKTX	M	4,075	—	—	170,000 Direct	-2.34%	Disposed	(price as of 2026-08-21)
Nov. 10, 2005	MKTX	S	4,075	$12.00	$48,900	10,000 Direct	-28.95%	Disposed	1250.8% (price as of 2026-08-21)
Nov. 10, 2005	MKTX	M	4,075	$2.70	$11,002	14,075 Direct	+40.75%	Acquired	5903.7% (price as of 2026-08-21)
Nov. 9, 2005	MKTX	M	25,925	—	—	174,075 Direct	-12.96%	Disposed	(price as of 2026-08-21)
Nov. 9, 2005	MKTX	S	25,925	$12.00	$311,100	10,000 Direct	-72.16%	Disposed	1250.8% (price as of 2026-08-21)
Nov. 9, 2005	MKTX	M	25,925	$2.70	$69,998	35,925 Direct	+259.25%	Acquired	5903.7% (price as of 2026-08-21)
Jan. 6, 2005	MKTX	A	35,000	—	—	35,000 Direct	—	Acquired	(price as of 2026-08-21)
Jan. 6, 2005	MKTX	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-21)

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
Dec. 14, 2006	MKTX	Employee Stock Option (right to buy)	Common Stock (27,300)	$2.70	March 24, 2013	27,300	Disposed
Dec. 13, 2006	MKTX	Employee Stock Option (right to buy)	Common Stock (2,700)	$2.70	March 24, 2013	2,700	Disposed
Jan. 9, 2006	MKTX	Employee Stock Option (right to buy)	Common Stock (25,000)	$11.18	Jan. 9, 2016	25,000	Disposed
Nov. 10, 2005	MKTX	Employee Stock Option (right to buy)	Common Stock (4,075)	$2.70	March 24, 2013	4,075	Disposed
Nov. 9, 2005	MKTX	Employee Stock Option (right to buy)	Common Stock (25,925)	$2.70	March 24, 2013	25,925	Disposed
Jan. 6, 2005	MKTX	Employee Stock Option (right to buy)	Common Stock (35,000)	$15.60	Jan. 6, 2015	35,000	Acquired

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

Initial ownership (Form 3) 2 holdings

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

Date	Ticker	Security	Shares	Ownership
Nov. 4, 2004	MKTX	Employee Stock Option (right to buy)→ Common Stock, par value $0.003 per share (200,000)	200,000	Direct
Nov. 4, 2004	MKTX	Employee Stock Option (right to buy)→ Common Stock, par value $0.003 per share (75,000)	75,000	Direct