Madhavan Balachandran

Insider

First SEC filing: March 18, 2026 · Latest: June 12, 2026

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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.
Initial holdings The stakes this person held when they first started reporting.
Compensation Executive pay disclosed in company proxy statements.

Insider at

Insider transactions

0 buys (P) 6 sells (S) Net: $-884,431 + 82 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

82 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 17, 2026	QURE	M 10b5-1	6,390	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
June 17, 2026	QURE	M 10b5-1	5,295	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
June 17, 2026	QURE	S 10b5-1	1,690	$42.60	$71,994	43,254 Direct	-3.76%	Disposed	16.0% (price as of 2026-08-21)
June 17, 2026	QURE	S 10b5-1	4,700	$43.66	$205,202	44,944 Direct	-9.47%	Disposed	13.2% (price as of 2026-08-21)
June 17, 2026	QURE	S 10b5-1	5,295	$47.08	$249,289	49,644 Direct	-9.64%	Disposed	5.0% (price as of 2026-08-21)
June 17, 2026	QURE	M 10b5-1	6,390	$19.39	$123,902	54,939 Direct	+13.16%	Acquired	154.9% (price as of 2026-08-21)
June 17, 2026	QURE	M 10b5-1	5,295	$31.71	$167,904	48,549 Direct	+12.24%	Acquired	55.9% (price as of 2026-08-21)
June 15, 2026	STVN	S	1,493	$17.09	$25,515	69,458 Direct	-2.10%	Disposed	30.0% (price as of 2026-08-21)
June 15, 2026	QURE	M 10b5-1	10,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
June 15, 2026	QURE	S 10b5-1	10,000	$27.85	$278,500	43,254 Direct	-18.78%	Disposed	77.5% (price as of 2026-08-21)
June 15, 2026	QURE	M 10b5-1	10,000	$8.49	$84,900	53,254 Direct	+23.12%	Acquired	482.2% (price as of 2026-08-21)
June 12, 2026	STVN	A	4,975	—	—	70,951 Direct	+7.54%	Acquired	(price as of 2026-08-21)
June 11, 2026	QURE	S	1,993	$27.06	$53,931	43,254 Direct	-4.40%	Disposed	82.7% (price as of 2026-08-21)
June 10, 2026	QURE	A	13,980	—	—	13,980 Direct	—	Acquired	(price as of 2026-08-21)
June 10, 2026	QURE	A	7,550	—	—	45,247 Direct	+20.03%	Acquired	(price as of 2026-08-21)
April 1, 2026	REPL	A	44,500	—	—	44,500 Direct	—	Acquired	(price as of 2026-08-21)
June 20, 2025	QURE	S	2,112	$14.45	$30,518	37,697 Direct	-5.31%	Disposed	242.1% (price as of 2026-08-21)
June 11, 2025	QURE	A	15,630	—	—	15,630 Direct	—	Acquired	(price as of 2026-08-21)
June 11, 2025	QURE	A	7,970	—	—	39,809 Direct	+25.03%	Acquired	(price as of 2026-08-21)
April 1, 2025	REPL	A	32,000	—	—	32,000 Direct	—	Acquired	(price as of 2026-08-21)
Sept. 4, 2024	REPL	A	64,000	—	—	64,000 Direct	—	Acquired	(price as of 2026-08-21)
June 19, 2024	QURE	A	15,840	—	—	15,840 Direct	—	Acquired	(price as of 2026-08-21)
June 19, 2024	QURE	A	8,080	—	—	31,839 Direct	+34.01%	Acquired	(price as of 2026-08-21)
June 13, 2024	QURE	S	2,231	$5.12	$11,423	23,759 Direct	-8.58%	Disposed	865.4% (price as of 2026-08-21)
June 16, 2023	QURE	S	2,283	$18.91	$43,172	25,990 Direct	-8.07%	Disposed	161.4% (price as of 2026-08-21)
June 13, 2023	QURE	A	17,060	—	—	17,060 Direct	—	Acquired	(price as of 2026-08-21)
June 13, 2023	QURE	A	8,700	—	—	28,273 Direct	+44.45%	Acquired	(price as of 2026-08-21)
Feb. 27, 2023	QURE	S	384	$19.99	$7,676	19,573 Direct	-1.92%	Disposed	147.3% (price as of 2026-08-21)
June 15, 2022	QURE	A	17,810	—	—	17,810 Direct	—	Acquired	(price as of 2026-08-21)
June 15, 2022	QURE	A	9,080	—	—	19,957 Direct	+83.48%	Acquired	(price as of 2026-08-21)
Feb. 28, 2022	QURE	S	602	$16.70	$10,053	10,877 Direct	-5.24%	Disposed	196.0% (price as of 2026-08-21)
Feb. 24, 2022	QURE	A	2,645	—	—	2,645 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 24, 2022	QURE	A	1,534	—	—	11,479 Direct	+15.42%	Acquired	(price as of 2026-08-21)
March 2, 2021	QURE	S	505	$37.50	$18,938	9,945 Direct	-4.83%	Disposed	31.8% (price as of 2026-08-21)
Feb. 25, 2021	QURE	A	4,107	—	—	4,107 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 25, 2021	QURE	A	2,382	—	—	10,450 Direct	+29.52%	Acquired	(price as of 2026-08-21)
Feb. 27, 2020	QURE	A	3,620	—	—	3,620 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 27, 2020	QURE	A	2,063	—	—	8,068 Direct	+34.35%	Acquired	(price as of 2026-08-21)
Jan. 28, 2020	QURE	S	807	$62.20	$50,195	6,005 Direct	-11.85%	Disposed	-20.5% (price as of 2026-08-21)
Jan. 28, 2019	QURE	S	1,210	$31.31	$37,885	6,812 Direct	-15.08%	Disposed	57.9% (price as of 2026-08-21)
Jan. 25, 2019	QURE	A	5,295	—	—	5,295 Direct	—	Acquired	(price as of 2026-08-21)
Jan. 25, 2019	QURE	A	3,230	—	—	8,022 Direct	+67.40%	Acquired	(price as of 2026-08-21)
Jan. 26, 2018	QURE	A	6,390	—	—	6,390 Direct	—	Acquired	(price as of 2026-08-21)
Jan. 26, 2018	QURE	A	4,792	—	—	4,792 Direct	—	Acquired	(price as of 2026-08-21)
Sept. 20, 2017	QURE	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-21)
May 4, 2016	AMGN	S	30,000	$154.12	$4,623,600	55,996 Indirect	-34.89%	Disposed	183.0% (price as of 2026-08-21)
May 3, 2016	AMGN	A	30,490	—	—	30,490 Direct	—	Acquired	(price as of 2026-08-21)
May 3, 2016	AMGN	A	3,581	—	—	23,097 Direct	+18.35%	Acquired	(price as of 2026-08-21)
April 27, 2016	AMGN	G	462	—	—	85,996 Indirect	+0.54%	Acquired	(price as of 2026-08-21)
April 27, 2016	AMGN	G	462	—	—	19,516 Direct	-2.31%	Disposed	(price as of 2026-08-21)
April 27, 2016	AMGN	F	462	$162.85	$75,237	19,978 Direct	-2.26%	Disposed	167.8% (price as of 2026-08-21)
March 25, 2016	AMGN	G	21,796	—	—	85,534 Indirect	+34.20%	Acquired	(price as of 2026-08-21)
March 25, 2016	AMGN	G	21,796	—	—	20,440 Direct	-51.61%	Disposed	(price as of 2026-08-21)
March 25, 2016	AMGN	F	23,785	$149.24	$3,549,673	42,236 Direct	-36.03%	Disposed	192.2% (price as of 2026-08-21)
March 2, 2016	AMGN	A	45,268	—	—	65,570 Direct	+222.97%	Acquired	(price as of 2026-08-21)
Jan. 31, 2016	AMGN	G	2,727	—	—	20,302 Direct	-11.84%	Disposed	(price as of 2026-08-21)
Jan. 31, 2016	AMGN	G	2,727	—	—	63,738 Indirect	+4.47%	Acquired	(price as of 2026-08-21)
Jan. 31, 2016	AMGN	F	570	$152.73	$87,056	22,783 Direct	-2.44%	Disposed	185.5% (price as of 2026-08-21)
Jan. 28, 2016	AMGN	F	925	$150.47	$139,185	23,353 Direct	-3.81%	Disposed	189.8% (price as of 2026-08-21)
July 31, 2015	AMGN	G	4,438	—	—	61,011 Indirect	+7.84%	Acquired	(price as of 2026-08-21)
July 31, 2015	AMGN	G	4,438	—	—	24,278 Direct	-15.45%	Disposed	(price as of 2026-08-21)
July 31, 2015	AMGN	F	4,845	$171.69	$831,838	28,716 Direct	-14.44%	Disposed	154.0% (price as of 2026-08-21)
May 7, 2015	AMGN	M	15,750	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
May 7, 2015	AMGN	M	6,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
May 7, 2015	AMGN	S	15,750	$157.85	$2,486,138	33,394 Direct	-32.05%	Disposed	176.3% (price as of 2026-08-21)
May 7, 2015	AMGN	S	6,000	$157.92	$947,520	49,144 Direct	-10.88%	Disposed	176.1% (price as of 2026-08-21)
May 7, 2015	AMGN	M	15,750	$54.69	$861,368	55,144 Direct	+39.98%	Acquired	697.4% (price as of 2026-08-21)
May 7, 2015	AMGN	M	6,000	$58.43	$350,580	39,394 Direct	+17.97%	Acquired	646.3% (price as of 2026-08-21)
April 27, 2015	AMGN	G	437	—	—	56,573 Indirect	+0.78%	Acquired	(price as of 2026-08-21)
April 27, 2015	AMGN	G	437	—	—	33,394 Direct	-1.29%	Disposed	(price as of 2026-08-21)
April 27, 2015	AMGN	F	438	$167.91	$73,545	33,831 Direct	-1.28%	Disposed	159.7% (price as of 2026-08-21)
April 25, 2015	AMGN	G	767	—	—	56,136 Indirect	+1.39%	Acquired	(price as of 2026-08-21)
April 25, 2015	AMGN	G	767	—	—	34,269 Direct	-2.19%	Disposed	(price as of 2026-08-21)
April 25, 2015	AMGN	F	763	$167.91	$128,115	35,036 Direct	-2.13%	Disposed	159.7% (price as of 2026-08-21)
March 27, 2015	AMGN	G	7,614	—	—	55,369 Indirect	+15.94%	Acquired	(price as of 2026-08-21)
March 27, 2015	AMGN	G	7,614	—	—	35,799 Direct	-17.54%	Disposed	(price as of 2026-08-21)
March 27, 2015	AMGN	F	8,311	$160.55	$1,334,331	43,413 Direct	-16.07%	Disposed	171.6% (price as of 2026-08-21)
March 4, 2015	AMGN	A	15,845	—	—	51,352 Direct	+44.63%	Acquired	(price as of 2026-08-21)
Jan. 30, 2015	AMGN	A	3,677	—	—	35,507 Direct	+11.55%	Acquired	(price as of 2026-08-21)
Jan. 28, 2015	AMGN	G	1,654	—	—	31,830 Direct	-4.94%	Disposed	(price as of 2026-08-21)
Jan. 28, 2015	AMGN	G	1,654	—	—	47,755 Indirect	+3.59%	Acquired	(price as of 2026-08-21)
Jan. 28, 2015	AMGN	F	33	$158.89	$5,243	33,484 Direct	-0.10%	Disposed	174.5% (price as of 2026-08-21)
Jan. 28, 2015	AMGN	F	871	$158.89	$138,393	33,517 Direct	-2.53%	Disposed	174.5% (price as of 2026-08-21)
July 31, 2014	AMGN	G	4,358	—	—	34,244 Direct	-11.29%	Disposed	(price as of 2026-08-21)
July 31, 2014	AMGN	G	4,358	—	—	46,101 Indirect	+10.44%	Acquired	(price as of 2026-08-21)
July 31, 2014	AMGN	F	171	$130.01	$22,232	38,602 Direct	-0.44%	Disposed	235.4% (price as of 2026-08-21)
July 31, 2014	AMGN	F	4,587	$130.01	$596,356	38,773 Direct	-10.58%	Disposed	235.4% (price as of 2026-08-21)
April 27, 2014	AMGN	G	1,612	—	—	43,145 Direct	-3.60%	Disposed	(price as of 2026-08-21)
April 27, 2014	AMGN	G	1,612	—	—	41,743 Indirect	+4.02%	Acquired	(price as of 2026-08-21)
April 27, 2014	AMGN	F	16	$111.41	$1,783	44,757 Direct	-0.04%	Disposed	291.4% (price as of 2026-08-21)
April 27, 2014	AMGN	F	413	$111.41	$46,012	44,773 Direct	-0.91%	Disposed	291.4% (price as of 2026-08-21)
April 26, 2014	AMGN	F	437	$111.41	$48,686	45,186 Direct	-0.96%	Disposed	291.4% (price as of 2026-08-21)
April 25, 2014	AMGN	F	740	$113.72	$84,153	45,623 Direct	-1.60%	Disposed	283.5% (price as of 2026-08-21)
March 14, 2014	AMGN	G	5,280	—	—	40,131 Indirect	+15.15%	Acquired	(price as of 2026-08-21)
March 14, 2014	AMGN	G	5,280	—	—	46,363 Direct	-10.22%	Disposed	(price as of 2026-08-21)
March 14, 2014	AMGN	F	5,763	$123.96	$714,381	51,623 Direct	-10.04%	Disposed	251.8% (price as of 2026-08-21)
March 5, 2014	AMGN	A	11,043	—	—	57,195 Direct	+23.93%	Acquired	(price as of 2026-08-21)
Jan. 31, 2014	AMGN	A	4,707	—	—	46,152 Direct	+11.36%	Acquired	(price as of 2026-08-21)
Sept. 4, 2013	AMGN	M	18,000	—	—	6,000 Direct	-75.00%	Disposed	(price as of 2026-08-21)
Sept. 4, 2013	AMGN	S	18,000	$112.76	$2,029,680	34,851 Indirect	-34.06%	Disposed	286.7% (price as of 2026-08-21)

Showing latest 100 of 122 transactions

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
June 17, 2026	QURE	Stock Option (Right to Buy)	Ordinary Shares (6,390)	$19.39	Jan. 26, 2028	6,390	Disposed
June 17, 2026	QURE	Stock Option (Right to Buy)	Ordinary Shares (5,295)	$31.71	Jan. 25, 2029	5,295	Disposed
June 15, 2026	QURE	Stock Option (Right to Buy)	Ordinary Shares (10,000)	$8.49	Sept. 20, 2027	10,000	Disposed
June 10, 2026	QURE	Stock Option (Right to Buy)	Ordinary Shares (13,980)	$26.82	June 10, 2036	13,980	Acquired
April 1, 2026	REPL	Stock Option (right to buy)	Common Stock (44,500)	$7.61	April 1, 2036	44,500	Acquired
June 11, 2025	QURE	Stock Option (Right to Buy)	Ordinary Shares (15,630)	$16.22	June 11, 2035	15,630	Acquired
April 1, 2025	REPL	Stock Option (right to buy)	Common Stock (32,000)	$8.40	April 1, 2035	32,000	Acquired
Sept. 4, 2024	REPL	Employee Stock Option (right to buy)	Common Stock (64,000)	$10.44	Sept. 4, 2034	64,000	Acquired
June 19, 2024	QURE	Stock Option (Right to Buy)	Ordinary Shares (15,840)	$4.57	June 19, 2034	15,840	Acquired
June 13, 2023	QURE	Stock Option (Right to Buy)	Ordinary Shares (17,060)	$20.18	June 13, 2033	17,060	Acquired
June 15, 2022	QURE	Stock Option (Right to Buy)	Ordinary Shares (17,810)	$14.08	June 15, 2032	17,810	Acquired
Feb. 24, 2022	QURE	Stock Option (Right to Buy)	Ordinary Shares (2,645)	$16.04	Feb. 24, 2032	2,645	Acquired
Feb. 25, 2021	QURE	Stock Option (Right to Buy)	Ordinary Shares (4,107)	$37.00	Feb. 25, 2031	4,107	Acquired
Feb. 27, 2020	QURE	Stock Option (Right to Buy)	Ordinary Shares (3,620)	$51.81	Feb. 27, 2030	3,620	Acquired
Jan. 25, 2019	QURE	Stock Option (Right to Buy)	Ordinary Shares (5,295)	$31.71	Jan. 25, 2029	5,295	Acquired
Jan. 26, 2018	QURE	Stock Option (Right to Buy)	Ordinary Shares (6,390)	$19.39	Jan. 26, 2028	6,390	Acquired
Sept. 20, 2017	QURE	Stock Option (Right to Buy)	Ordinary Shares (10,000)	$8.49	Sept. 20, 2027	10,000	Acquired
May 3, 2016	AMGN	Nqso (Right to Buy)	Common Stock (30,490)	$156.35	May 3, 2026	30,490	Acquired
May 7, 2015	AMGN	Nqso (Right to Buy)	Common Stock (15,750)	$54.69	April 25, 2021	15,750	Disposed
May 7, 2015	AMGN	Nqso (Right to Buy)	Common Stock (6,000)	$58.43	April 26, 2020	6,000	Disposed
Sept. 4, 2013	AMGN	Nqso (Right to Buy)	Common Stock (18,000)	$58.43	April 26, 2020	18,000	Disposed
May 21, 2013	AMGN	Nqso (Right to Buy)	Common Stock (6,000)	$50.44	April 28, 2016	6,000	Disposed

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

Initial ownership (Form 3) 7 holdings

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

Date	Ticker	Security	Shares	Ownership
March 18, 2026	STVN	Ordinary Shares	65,976	Direct
Sept. 22, 2017	QURE	No securities are beneficially owned.	0	Direct
Aug. 15, 2012	AMGN	Common Stock	—	Direct
Aug. 15, 2012	AMGN	Common Stock	28,488	Indirect
Aug. 15, 2012	AMGN	Nqso (Right to Buy)→ Common Stock (6,000)	6,000	Direct
Aug. 15, 2012	AMGN	Nqso (Right to Buy)→ Common Stock (24,000)	24,000	Direct
Aug. 15, 2012	AMGN	Nqso (Right to Buy)→ Common Stock (15,750)	15,750	Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

AMGN

President, Operations

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2014	$772,961,762,461	$170,000,330,000	—	—	$10,190,001,273,000	—	$224,300,203,354	$49,861,455,768,710

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.