Burton G Malkiel

Insider

First SEC filing: Feb. 14, 2014 · Latest: Feb. 14, 2014

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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.

Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 32 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

32 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 2, 2023	TBPH	A	9,132	—	—	100,589 Direct	+9.99%	Acquired	(price as of 2026-08-21)
May 2, 2023	TBPH	A	22,044	—	—	22,044 Direct	—	Acquired	(price as of 2026-08-21)
April 26, 2022	TBPH	A	9,852	—	—	91,457 Direct	+12.07%	Acquired	(price as of 2026-08-21)
April 26, 2022	TBPH	A	28,000	—	—	28,000 Direct	—	Acquired	(price as of 2026-08-21)
April 27, 2021	TBPH	A	6,000	—	—	6,000 Direct	—	Acquired	(price as of 2026-08-21)
April 27, 2021	TBPH	A	9,828	—	—	81,605 Direct	+13.69%	Acquired	(price as of 2026-08-21)
April 28, 2020	TBPH	A	6,000	—	—	6,000 Direct	—	Acquired	(price as of 2026-08-21)
April 28, 2020	TBPH	A	6,635	—	—	71,777 Direct	+10.19%	Acquired	(price as of 2026-08-21)
April 30, 2019	TBPH	A	6,000	—	—	6,000 Direct	—	Acquired	(price as of 2026-08-21)
April 30, 2019	TBPH	A	8,385	—	—	65,142 Direct	+14.77%	Acquired	(price as of 2026-08-21)
May 21, 2018	TBPH	P	1,000	$22.54	$22,540	56,757 Direct	+1.79%	Acquired	-24.7% (price as of 2026-08-21)
May 1, 2018	TBPH	A	6,000	—	—	6,000 Direct	—	Acquired	(price as of 2026-08-21)
May 1, 2018	TBPH	A	8,186	—	—	55,757 Direct	+17.21%	Acquired	(price as of 2026-08-21)
Aug. 11, 2017	TBPH	P	15,000	$24.59	$368,850	15,000 Indirect	—	Acquired	-31.0% (price as of 2026-08-21)
Aug. 11, 2017	TBPH	P	15,000	$24.59	$368,850	47,571 Direct	+46.05%	Acquired	-31.0% (price as of 2026-08-21)
May 17, 2017	TBPH	A	6,000	—	—	32,571 Direct	+22.58%	Acquired	(price as of 2026-08-21)
May 3, 2016	TBPH	A	6,000	—	—	26,571 Direct	+29.17%	Acquired	(price as of 2026-08-21)
Aug. 18, 2015	TBPH	P	10,000	$12.92	$129,200	20,571 Direct	+94.60%	Acquired	31.3% (price as of 2026-08-21)
April 22, 2015	TBPH	A	6,000	—	—	10,571 Direct	+131.26%	Acquired	(price as of 2026-08-21)
June 3, 2014	TBPH	A	12,000	—	—	12,000 Direct	—	Acquired	(price as of 2026-08-21)
June 3, 2014	TBPH	A	12,000	—	—	12,000 Direct	—	Acquired	(price as of 2026-08-21)
May 22, 2014	INVA	A	6,000	—	—	6,000 Direct	—	Acquired	(price as of 2026-08-21)
May 22, 2014	INVA	A	6,000	—	—	41,000 Direct	+17.14%	Acquired	(price as of 2026-08-21)
Feb. 27, 2014	INVA	G	1,000	—	—	40,000 Direct	-2.44%	Disposed	(price as of 2026-08-21)
April 24, 2013	INVA	A	6,000	—	—	6,000 Direct	—	Acquired	(price as of 2026-08-21)
April 24, 2013	INVA	A	6,000	—	—	36,000 Direct	+20.00%	Acquired	(price as of 2026-08-21)
May 15, 2012	INVA	A	6,000	—	—	6,000 Direct	—	Acquired	(price as of 2026-08-21)
May 15, 2012	INVA	A	6,000	—	—	30,000 Direct	+25.00%	Acquired	(price as of 2026-08-21)
April 27, 2011	INVA	A	6,000	—	—	6,000 Direct	—	Acquired	(price as of 2026-08-21)
April 27, 2011	INVA	A	6,000	—	—	24,000 Direct	+33.33%	Acquired	(price as of 2026-08-21)
April 27, 2010	INVA	A	6,000	—	—	6,000 Direct	—	Acquired	(price as of 2026-08-21)
April 27, 2010	INVA	A	6,000	—	—	18,000 Direct	+50.00%	Acquired	(price as of 2026-08-21)
April 24, 2009	INVA	A	6,000	—	—	6,000 Direct	—	Acquired	(price as of 2026-08-21)
April 24, 2009	INVA	A	6,000	—	—	12,000 Direct	+100.00%	Acquired	(price as of 2026-08-21)
April 22, 2008	INVA	A	6,000	—	—	6,000 Direct	—	Acquired	(price as of 2026-08-21)
July 3, 2007	INVA	A	30,000	—	—	30,000 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
May 2, 2023	TBPH	Share Option (Right to Buy)	Ordinary Shares (22,044)	$10.95	May 1, 2033	22,044	Acquired
April 26, 2022	TBPH	Share Option (Right to Buy)	Ordinary Shares (28,000)	$10.15	April 25, 2032	28,000	Acquired
April 27, 2021	TBPH	Share Option (Right to Buy)	Ordinary Shares (6,000)	$20.35	April 26, 2031	6,000	Acquired
April 28, 2020	TBPH	Share Option (Right to Buy)	Ordinary Shares (6,000)	$30.14	April 27, 2030	6,000	Acquired
April 30, 2019	TBPH	Share Option (Right to Buy)	Ordinary Shares (6,000)	$23.85	April 29, 2029	6,000	Acquired
May 1, 2018	TBPH	Share Option (Right to Buy)	Ordinary Shares (6,000)	$24.43	April 30, 2028	6,000	Acquired
June 3, 2014	TBPH	Stock Option (Right to Buy)	Common Stock (12,000)	$23.51	June 2, 2024	12,000	Acquired
June 3, 2014	TBPH	Stock Option (Right to Buy)	Common Stock (12,000)	$23.51	June 2, 2024	12,000	Acquired
May 22, 2014	INVA	Stock Option (Right to Buy)	Common Stock (6,000)	$28.54	May 21, 2024	6,000	Acquired
April 24, 2013	INVA	Stock Option (Right to Buy)	Common Stock (6,000)	$30.54	April 23, 2023	6,000	Acquired
May 15, 2012	INVA	Stock Option (Right to Buy)	Common Stock (6,000)	$21.62	May 14, 2022	6,000	Acquired
April 27, 2011	INVA	Stock Option (Right to Buy)	Common Stock (6,000)	$28.50	April 26, 2021	6,000	Acquired
April 27, 2010	INVA	Stock Option (Right to Buy)	Common Stock (6,000)	$14.89	April 26, 2020	6,000	Acquired
April 24, 2009	INVA	Stock Option (Right to Buy)	Common Stock (6,000)	$14.98	April 23, 2019	6,000	Acquired
July 3, 2007	INVA	Stock Option (Right to Buy)	Common Stock (30,000)	$33.13	July 2, 2017	30,000	Acquired

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