Ian T Clark

Insider

First SEC filing: June 4, 2026 · Latest: June 4, 2026

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

Insider transactions

0 buys (P) 9 sells (S) Net: $-13,928,434 + 56 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

56 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Aug. 4, 2026	GH	M	2,255	$91.11	$205,453	10,322 Indirect	+27.95%	Acquired	83.1% (price as of 2026-08-20)
Aug. 4, 2026	GH	M	6,833	$50.57	$345,545	17,155 Indirect	+66.20%	Acquired	229.8% (price as of 2026-08-20)
Aug. 4, 2026	GH	S	9,088	$158.98	$1,444,810	8,067 Indirect	-52.98%	Disposed	4.9% (price as of 2026-08-20)
Aug. 4, 2026	GH	S	5,092	$158.80	$808,610	2,975 Indirect	-63.12%	Disposed	5.0% (price as of 2026-08-20)
Aug. 4, 2026	GH	M	2,255	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Aug. 4, 2026	GH	M	6,833	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
June 18, 2026	OLMA	A	29,500	—	—	29,500 Direct	—	Acquired	(price as of 2026-08-20)
June 17, 2026	GH	A	2,711	—	—	2,711 Direct	—	Acquired	(price as of 2026-08-20)
June 17, 2026	GH	M	5,092	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
June 17, 2026	GH	M	5,092	—	—	8,067 Indirect	+171.16%	Acquired	(price as of 2026-08-20)
June 11, 2026	CRVS	A	15,000	—	—	15,000 Direct	—	Acquired	(price as of 2026-08-20)
June 2, 2026	BMRN	A	7,490	—	—	14,490	—	—	(price as of 2026-08-20)
May 27, 2026	KYTX	A	20,582	—	—	20,582 Direct	—	Acquired	(price as of 2026-08-20)
May 27, 2026	KYTX	A	5,093	—	—	21,727 Direct	+30.62%	Acquired	(price as of 2026-08-20)
May 20, 2026	GH	S	6,876	$106.90	$735,044	2,975 Indirect	-69.80%	Disposed	56.0% (price as of 2026-08-20)
Dec. 19, 2025	OLMA	M	209,690	$4.41	$924,733	209,690 Direct	—	Acquired	148.3% (price as of 2026-08-20)
Dec. 19, 2025	OLMA	M	21,520	$3.61	$77,687	231,210 Direct	+10.26%	Acquired	203.3% (price as of 2026-08-20)
Dec. 19, 2025	OLMA	M	21,520	$7.84	$168,717	252,730 Direct	+9.31%	Acquired	39.7% (price as of 2026-08-20)
Dec. 19, 2025	OLMA	M	12,070	$4.08	$49,246	264,800 Direct	+4.78%	Acquired	168.4% (price as of 2026-08-20)
Dec. 19, 2025	OLMA	S	29,904	$28.83	$862,132	234,896 Direct	-11.29%	Disposed	-62.0% (price as of 2026-08-20)
Dec. 19, 2025	OLMA	S	193,056	$29.71	$5,735,694	41,840 Direct	-82.19%	Disposed	-63.1% (price as of 2026-08-20)
Dec. 19, 2025	OLMA	S	41,840	$30.48	$1,275,283	0 Direct	-100.00%	Disposed	-64.1% (price as of 2026-08-20)
Dec. 19, 2025	OLMA	M	209,690	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Dec. 19, 2025	OLMA	M	21,520	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Dec. 19, 2025	OLMA	M	21,520	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Dec. 19, 2025	OLMA	M	12,070	—	—	12,080 Direct	-49.98%	Disposed	(price as of 2026-08-20)
Dec. 5, 2025	GH	M	9,105	$38.42	$349,814	18,956 Indirect	+92.43%	Acquired	334.1% (price as of 2026-08-20)
Dec. 5, 2025	GH	M	8,803	$38.01	$334,602	27,759 Indirect	+46.44%	Acquired	338.8% (price as of 2026-08-20)
Dec. 5, 2025	GH	M	10,703	$31.84	$340,784	38,462 Indirect	+38.56%	Acquired	423.8% (price as of 2026-08-20)
Dec. 5, 2025	GH	S	8,156	$106.67	$870,001	30,306 Indirect	-21.21%	Disposed	56.4% (price as of 2026-08-20)
Dec. 5, 2025	GH	S	17,055	$107.27	$1,829,490	13,251 Indirect	-56.28%	Disposed	55.5% (price as of 2026-08-20)
Dec. 5, 2025	GH	S	3,400	$108.05	$367,370	9,851 Indirect	-25.66%	Disposed	54.4% (price as of 2026-08-20)
Dec. 5, 2025	GH	M	9,105	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Dec. 5, 2025	GH	M	8,803	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Dec. 5, 2025	GH	M	10,703	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Aug. 1, 2025	BMRN	A	7,000	—	—	7,000 Direct	—	Acquired	(price as of 2026-08-20)
May 29, 2025	KYTX	A	65,351	—	—	65,351 Direct	—	Acquired	(price as of 2026-08-20)
May 29, 2025	KYTX	A	16,634	—	—	16,634 Direct	—	Acquired	(price as of 2026-08-20)
June 14, 2024	OLMA	A	23,000	—	—	23,000 Direct	—	Acquired	(price as of 2026-08-20)
June 16, 2023	OLMA	A	21,520	—	—	21,520 Direct	—	Acquired	(price as of 2026-08-20)
June 6, 2023	TECX	A	17,643	—	—	17,643 Direct	—	Acquired	(price as of 2026-08-20)
June 17, 2022	OLMA	A	21,520	—	—	21,520 Direct	—	Acquired	(price as of 2026-08-20)
June 16, 2022	OLMA	A	21,520	—	—	21,520 Direct	—	Acquired	(price as of 2026-08-20)
June 8, 2022	TECX	A	17,478	—	—	17,478 Direct	—	Acquired	(price as of 2026-08-20)
June 8, 2022	TECX	A	17,478	—	—	17,478 Direct	—	Acquired	(price as of 2026-08-20)
June 10, 2021	TECX	A	17,438	—	—	17,438 Direct	—	Acquired	(price as of 2026-08-20)
June 9, 2021	OLMA	A	21,520	—	—	21,520 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 25, 2020	GH	M	538	—	—	5,918 Direct	-8.33%	Disposed	(price as of 2026-08-20)
Nov. 25, 2020	GH	S 10b5-1	538	$113.28	$60,945	4,643 Direct	-10.38%	Disposed	47.2% (price as of 2026-08-20)
Nov. 25, 2020	GH	M	538	$4.18	$2,249	5,181 Direct	+11.59%	Acquired	3890.2% (price as of 2026-08-20)
Nov. 18, 2020	OLMA	A	21,520	—	—	21,520 Direct	—	Acquired	(price as of 2026-08-20)
Aug. 12, 2020	OLMA	A	209,690	—	—	209,690 Direct	—	Acquired	(price as of 2026-08-20)
June 4, 2020	TECX	A	14,000	—	—	14,000 Direct	—	Acquired	(price as of 2026-08-20)
June 20, 2019	CRVS	A	15,000	—	—	15,000 Direct	—	Acquired	(price as of 2026-08-20)
June 11, 2019	TECX	A	9,675	—	—	9,675 Direct	—	Acquired	(price as of 2026-08-20)
May 31, 2019	AGIO	M	1,400	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 31, 2019	AGIO	M	1,400	—	—	1,400 Direct	—	Acquired	(price as of 2026-08-20)
May 29, 2019	AGIO	A	1,878	—	—	1,878 Direct	—	Acquired	(price as of 2026-08-20)
May 29, 2019	AGIO	A	8,919	—	—	8,919 Direct	—	Acquired	(price as of 2026-08-20)
June 21, 2018	CRVS	A	15,000	—	—	15,000 Direct	—	Acquired	(price as of 2026-08-20)
May 31, 2018	AGIO	A	1,400	—	—	1,400 Direct	—	Acquired	(price as of 2026-08-20)
May 31, 2018	AGIO	A	5,700	—	—	5,700 Direct	—	Acquired	(price as of 2026-08-20)
June 13, 2017	AGIO	A	8,000	—	—	8,000 Direct	—	Acquired	(price as of 2026-08-20)
June 8, 2017	CRVS	A	15,000	—	—	15,000 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 3, 2017	CRVS	A	30,000	—	—	30,000 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 30, 2016	AGIO	A	16,000	—	—	16,000 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
Aug. 4, 2026	GH	Stock Option (Right to Buy)	Common Stock (2,255)	$91.11	June 18, 2029	2,255	Disposed
Aug. 4, 2026	GH	Stock Option (Right to Buy)	Common Stock (6,833)	$50.57	June 18, 2035	6,833	Disposed
June 18, 2026	OLMA	Stock Option (right to buy)	Common Stock (29,500)	$9.51	June 18, 2036	29,500	Acquired
June 17, 2026	GH	Restricted Stock Units	Common Stock (2,711)	$0.00	—	2,711	Acquired
June 17, 2026	GH	Restricted Stock Units	Common Stock (5,092)	$0.00	—	5,092	Disposed
June 11, 2026	CRVS	Stock Option (Right to Buy)	Common Stock (15,000)	$11.60	June 11, 2036	15,000	Acquired
May 27, 2026	KYTX	Stock Option (right to buy)	Common Stock (20,582)	$8.59	May 27, 2036	20,582	Acquired
Dec. 19, 2025	OLMA	Stock Option (Right to Buy)	Common Stock (209,690)	$4.41	Aug. 11, 2023	209,690	Disposed
Dec. 19, 2025	OLMA	Stock Option (Right to Buy)	Common Stock (21,520)	$3.61	June 16, 2032	21,520	Disposed
Dec. 19, 2025	OLMA	Stock Option (Right to Buy)	Common Stock (21,520)	$7.84	June 15, 2033	21,520	Disposed
Dec. 19, 2025	OLMA	Stock Option (Right to Buy)	Common Stock (12,070)	$4.08	June 11, 2035	12,070	Disposed
Dec. 5, 2025	GH	Stock Option (Right to Buy)	Common Stock (9,105)	$38.42	June 15, 2032	9,105	Disposed
Dec. 5, 2025	GH	Stock Option (Right to Buy)	Common Stock (8,803)	$38.01	June 14, 2033	8,803	Disposed
Dec. 5, 2025	GH	Stock Option (Right to Buy)	Common Stock (10,703)	$31.84	June 12, 2034	10,703	Disposed
May 29, 2025	KYTX	Stock Option (right to buy)	Common Stock (65,351)	$2.63	May 29, 2035	65,351	Acquired
June 14, 2024	OLMA	Stock Option (right to buy)	Common Stock (23,000)	$12.36	June 14, 2034	23,000	Acquired
June 16, 2023	OLMA	Stock Option (right to buy)	Common Stock (21,520)	$7.84	June 15, 2033	21,520	Acquired
June 6, 2023	TECX	Stock Option (Right to Buy)	Common Stock (17,643)	$1.09	June 5, 2033	17,643	Acquired
June 17, 2022	OLMA	Stock Option (right to buy)	Common Stock (21,520)	—	June 16, 2032	21,520	Acquired
June 16, 2022	OLMA	Stock Option (right to buy)	Common Stock (21,520)	$3.43	June 15, 2032	21,520	Acquired
June 8, 2022	TECX	Stock Option (Right to Buy)	Common Stock (17,478)	$1.06	June 7, 2032	17,478	Acquired
June 8, 2022	TECX	Stock Option (Right to Buy)	Common Stock (17,478)	$1.06	June 7, 2032	17,478	Acquired
June 10, 2021	TECX	Stock Option (Right to Buy)	Common Stock (17,438)	$9.63	June 9, 2031	17,438	Acquired
June 9, 2021	OLMA	Stock Option (right to buy)	Common Stock (21,520)	$27.66	June 8, 2031	21,520	Acquired
Nov. 25, 2020	GH	STOCK OPTION (RIGHT TO BUY)	COMMON STOCK (538)	$4.18	Nov. 29, 2027	538	Disposed
Nov. 18, 2020	OLMA	Stock Option (Right to Buy)	Common Stock (21,520)	$19.00	Nov. 17, 2030	21,520	Acquired
Aug. 12, 2020	OLMA	Stock Option (Right to Buy)	Common Stock (209,690)	$4.41	Aug. 11, 2030	209,690	Acquired
June 4, 2020	TECX	Stock Option (Right to Buy)	Common Stock (14,000)	$21.91	June 3, 2030	14,000	Acquired
June 20, 2019	CRVS	Stock Option (Right to Buy)	Common Stock (15,000)	$3.61	June 20, 2029	15,000	Acquired
June 11, 2019	TECX	Stock Option (Right to Buy)	Common Stock (9,675)	$13.60	June 10, 2029	9,675	Acquired
May 31, 2019	AGIO	Restricted stock units	Common stock (1,400)	—	—	1,400	Disposed
May 29, 2019	AGIO	Restricted stock units	Common stock (1,878)	—	—	1,878	Acquired
May 29, 2019	AGIO	Stock option (right to buy)	Common stock (8,919)	$47.91	May 29, 2029	8,919	Acquired
June 21, 2018	CRVS	Stock Option (Right to Buy)	Common Stock (15,000)	$12.50	June 21, 2028	15,000	Acquired
May 31, 2018	AGIO	Restricted stock units	Common stock (1,400)	—	—	1,400	Acquired
May 31, 2018	AGIO	Stock option (right to buy)	Common stock (5,700)	$93.50	May 30, 2028	5,700	Acquired
June 13, 2017	AGIO	Stock option (right to buy)	Common stock (8,000)	$50.73	June 12, 2027	8,000	Acquired
June 8, 2017	CRVS	Stock Option (Right to Buy)	Common Stock (15,000)	$9.70	June 8, 2027	15,000	Acquired
Jan. 3, 2017	CRVS	Stock Option (Right to Buy)	Common Stock (30,000)	$14.43	Jan. 3, 2027	30,000	Acquired
Dec. 30, 2016	AGIO	Stock option (right to buy)	Common stock (16,000)	$41.73	Dec. 29, 2026	16,000	Acquired

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

Initial ownership (Form 3) 14 holdings

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

Date	Ticker	Security	Shares	Ownership
March 18, 2026	TAK	American Depositary Shares	9,696	Direct
March 18, 2026	TAK	Ordinary Shares	9,700	Direct
March 18, 2026	TAK	Tax Obligation Award→ Ordinary Shares (1,152)	1,152	Direct
March 18, 2026	TAK	Tax Obligation Award→ Ordinary Shares (1,192)	1,192	Direct
March 18, 2026	TAK	Tax Obligation Award→ Ordinary Shares (1,180)	1,180	Direct
March 18, 2026	TAK	Cash Settled Retirement Award→ Ordinary Shares (2,356)	2,356	Direct
Feb. 7, 2024	KYTX	Stock Option (Right to Buy)→ Common Stock (281,717)	281,717	Direct
Feb. 7, 2024	KYTX	Stock Option (Right to Buy)→ Common Stock (38,736)	38,736	Direct
Feb. 7, 2024	KYTX	Stock Option (Right to Buy)→ Common Stock (43,945)	43,945	Direct
Nov. 18, 2020	OLMA	Stock Option (Right to Buy)→ Common Stock (209,690)	209,690	Direct
Oct. 3, 2018	GH	STOCK OPTION (RIGHT TO BUY)→ COMMON STOCK (129,115)	129,115	Direct
Oct. 3, 2018	GH	STOCK OPTION (RIGHT TO BUY)→ COMMON STOCK (25,823)	25,823	Direct
June 20, 2018	TECX	Stock Option (Right to Buy)→ Common Stock (48,740)	48,740	Direct
June 20, 2018	TECX	Stock Option (Right to Buy)→ Common Stock (30,282)	30,282	Direct