Murphy Mark J.

Director · Officer · AIN, MU

As of 2026-09-16, Murphy Mark J. has 59 Form 4 transactions on record across 2 companies — 49 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Reconstructed holdings

Direct $172.0M
Indirect $32.4M

MU	direct	184,693 sh	$171.1M
MU	indirect	35,000 sh	$32.4M
AIN	direct	13,745 sh	$827K

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

MU · 57 trades

AIN · 2 trades

Filing ledger

Date	Company	Action	Shares @ price	Value	Ownership Δ	Owned after	Filing
2025-10-30	MU	Sale	51,149 @ $225.87	$11.6M	−17.4% of holding	242,040	Form 4
2025-10-30	MU	Sale	32,202 @ $224.92	$7.2M	−9.9% of holding	293,189	Form 4
2025-10-30	MU	Sale	22,347 @ $226.51	$5.1M	−9.2% of holding	219,693	Form 4
2025-10-30	MU	Sale	11,382 @ $223.83	$2.5M	−3.4% of holding	325,391	Form 4
2025-10-30	MU	Sale	5,100 @ $222.96	$1.1M	−1.5% of holding	336,773	Form 4
2025-10-30	MU	Sale	3,820 @ $221.64	$847K	−1.1% of holding	341,873	Form 4
2025-07-22	MU	Sale	16,099 @ $108.76	$1.8M	−5.4% of holding	281,937	Form 4
2025-07-22	MU	Sale	14,691 @ $109.39	$1.6M	−5.2% of holding	267,246	Form 4
2025-07-22	MU	Sale	1,510 @ $111.96	$169K	−0.6% of holding	264,936	Form 4
2025-07-22	MU	Sale	900 @ $112.52	$101K	−0.3% of holding	264,036	Form 4
2025-07-22	MU	Sale	800 @ $110.65	$89K	−0.3% of holding	266,446	Form 4

48 award / exercise / gift records — not counted as purchases

Date	Company	Action	Shares	Owned after	Filing
2026-05-15	AIN	Award / grant	1,195	13,745	Form 4
2025-12-24	MU	Other acquisition	35,000	35,000	Form 4
2025-12-24	MU	Other acquisition	35,000	184,693	Form 4
2025-10-15	MU	Withheld for tax	2,795	345,693	Form 4
2025-10-15	MU	Withheld for tax	2,795	345,693	Form 4
2025-10-13	MU	Withheld for tax	17,019	310,139	Form 4
2025-10-13	MU	Withheld for tax	17,019	310,139	Form 4
2025-10-13	MU	Withheld for tax	10,717	289,602	Form 4
2025-10-13	MU	Withheld for tax	10,717	289,602	Form 4
2025-10-13	MU	Withheld for tax	9,418	322,155	Form 4
2025-10-13	MU	Withheld for tax	9,418	322,155	Form 4
2025-10-13	MU	Withheld for tax	9,271	282,298	Form 4
2025-10-13	MU	Withheld for tax	9,271	282,298	Form 4
2025-10-13	MU	Withheld for tax	8,518	331,383	Form 4
2025-10-13	MU	Withheld for tax	8,518	340,611	Form 4
2025-10-13	MU	Withheld for tax	8,518	340,611	Form 4
2025-10-13	MU	Withheld for tax	8,518	331,383	Form 4
2025-10-13	MU	Withheld for tax	7,271	348,488	Form 4
2025-10-13	MU	Withheld for tax	7,271	348,488	Form 4
2025-10-13	MU	Withheld for tax	6,404	275,894	Form 4
2025-10-13	MU	Withheld for tax	6,404	275,894	Form 4
2025-10-13	MU	Option exercise	9,183	0	Form 4
2025-10-13	MU	Option exercise	24,425	300,319	Form 4
2025-10-13	MU	Option exercise	21,434	331,573	Form 4
2025-10-13	MU	Option exercise	17,746	339,901	Form 4
2025-10-13	MU	Award / grant	27,533	291,569	Form 4
2025-10-13	MU	Option exercise	37,556	327,158	Form 4
2025-10-13	MU	Option exercise	37,556	327,158	Form 4
2025-10-13	MU	Option exercise	21,434	331,573	Form 4
2025-10-13	MU	Option exercise	17,746	339,901	Form 4
2025-10-13	MU	Option exercise	17,746	349,129	Form 4
2025-10-13	MU	Option exercise	15,148	355,759	Form 4
2025-10-13	MU	Option exercise	17,746	349,129	Form 4
2025-10-13	MU	Option exercise	15,148	355,759	Form 4
2025-10-13	MU	Option exercise	14,483	0	Form 4
2025-10-13	MU	Option exercise	17,747	17,747	Form 4
2025-10-13	MU	Option exercise	15,148	15,148	Form 4
2025-10-13	MU	Award / grant	27,533	291,569	Form 4
2025-10-13	MU	Option exercise	24,425	300,319	Form 4
2025-10-13	MU	Option exercise	9,183	0	Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.