Matthew C. Busch

CIK 1987926 · View on SEC EDGAR ↗

Insider

First SEC filing: Aug. 21, 2023 · Latest: May 11, 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.

Insider at

AMGN selling Feb. 19, 2026

Insider transactions

0 buys (P) 1 sells (S) Net: $-375,790 + 27 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

27 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Aug. 7, 2026	AMGN	A	730	—	—	5,080 Direct	+16.78%	Acquired	(price as of 2026-08-20)
May 7, 2026	AMGN	F	41	$331.11	$13,576	4,344 Direct	-0.94%	Disposed	31.7% (price as of 2026-08-20)
May 6, 2026	AMGN	F	50	$329.59	$16,480	4,385 Direct	-1.13%	Disposed	32.3% (price as of 2026-08-20)
May 5, 2026	AMGN	A	2,969	$329.59	$978,553	2,969 Direct	—	Acquired	32.3% (price as of 2026-08-20)
May 5, 2026	AMGN	A	455	—	—	4,435 Direct	+11.43%	Acquired	(price as of 2026-08-20)
May 2, 2026	AMGN	F	38	$329.82	$12,533	3,980 Direct	-0.95%	Disposed	32.2% (price as of 2026-08-20)
May 2, 2026	AMGN	F	30	$329.82	$9,895	4,018 Direct	-0.74%	Disposed	32.2% (price as of 2026-08-20)
March 16, 2026	AMGN	F	327	$366.21	$119,751	4,048 Direct	-7.47%	Disposed	19.1% (price as of 2026-08-20)
March 3, 2026	AMGN	A	938	—	—	4,361 Direct	+27.40%	Acquired	(price as of 2026-08-20)
Feb. 19, 2026	AMGN	S	1,000	$375.79	$375,790	3,423 Direct	-22.61%	Disposed	16.1% (price as of 2026-08-20)
Nov. 5, 2025	AMGN	F	202	$296.70	$59,933	4,414 Direct	-4.38%	Disposed	47.0% (price as of 2026-08-20)
May 6, 2025	AMGN	A	3,585	$270.44	$969,527	3,585 Direct	—	Acquired	61.3% (price as of 2026-08-20)
May 6, 2025	AMGN	A	554	—	—	4,588 Direct	+13.73%	Acquired	(price as of 2026-08-20)
May 2, 2025	AMGN	S	1,000	$279.69	$279,690	4,034 Direct	-19.86%	Disposed	56.0% (price as of 2026-08-20)
May 2, 2025	AMGN	F	37	$283.78	$10,500	5,034 Direct	-0.73%	Disposed	53.7% (price as of 2026-08-20)
May 2, 2025	AMGN	F	28	$283.78	$7,946	5,071 Direct	-0.55%	Disposed	53.7% (price as of 2026-08-20)
April 30, 2025	AMGN	F	18	$288.56	$5,194	5,099 Direct	-0.35%	Disposed	51.2% (price as of 2026-08-20)
March 17, 2025	AMGN	F	174	$313.71	$54,586	5,117 Direct	-3.29%	Disposed	39.0% (price as of 2026-08-20)
March 3, 2025	AMGN	A	497	—	—	5,277 Direct	+10.40%	Acquired	(price as of 2026-08-20)
Nov. 5, 2024	AMGN	F	189	$316.91	$59,896	4,770 Direct	-3.81%	Disposed	37.6% (price as of 2026-08-20)
May 7, 2024	AMGN	A	2,163	$300.30	$649,549	2,163 Direct	—	Acquired	45.2% (price as of 2026-08-20)
May 7, 2024	AMGN	A	333	—	—	4,932 Direct	+7.24%	Acquired	(price as of 2026-08-20)
May 5, 2024	AMGN	F	27	$311.29	$8,405	4,599 Direct	-0.58%	Disposed	40.1% (price as of 2026-08-20)
May 2, 2024	AMGN	F	27	$277.37	$7,489	4,626 Direct	-0.58%	Disposed	57.3% (price as of 2026-08-20)
April 30, 2024	AMGN	F	17	$276.38	$4,698	4,653 Direct	-0.36%	Disposed	57.8% (price as of 2026-08-20)
March 18, 2024	AMGN	F	146	$268.87	$39,255	4,670 Direct	-3.03%	Disposed	62.2% (price as of 2026-08-20)
March 6, 2024	AMGN	A	418	—	—	4,799 Direct	+9.54%	Acquired	(price as of 2026-08-20)
Nov. 5, 2023	AMGN	F	183	$269.86	$49,384	4,367 Direct	-4.02%	Disposed	61.6% (price as of 2026-08-20)
Nov. 5, 2023	AMGN	F	66	$269.86	$17,811	4,550 Direct	-1.43%	Disposed	61.6% (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
May 5, 2026	AMGN	Nqso (Right to Buy)	Common Stock (2,969)	$329.59	May 5, 2036	2,969	Acquired
May 6, 2025	AMGN	Nqso (Right to Buy)	Common Stock (3,585)	$270.44	May 6, 2035	3,585	Acquired
May 7, 2024	AMGN	Nqso (Right to Buy)	Common Stock (2,163)	$300.30	May 7, 2034	2,163	Acquired

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
Aug. 21, 2023	AMGN	Common Stock	—	Direct
Aug. 21, 2023	AMGN	Nqso (Right to Buy)→ Common Stock (1,257)	1,257	Direct
Aug. 21, 2023	AMGN	Nqso (Right to Buy)→ Common Stock (1,476)	1,476	Direct
Aug. 21, 2023	AMGN	Nqso (Right to Buy)→ Common Stock (1,558)	1,558	Direct
Aug. 21, 2023	AMGN	Nqso (Right to Buy)→ Common Stock (1,086)	1,086	Direct
Aug. 21, 2023	AMGN	Nqso (Right to Buy)→ Common Stock (1,753)	1,753	Direct
Aug. 21, 2023	AMGN	Nqso (Right to Buy)→ Common Stock (2,508)	2,508	Direct