Form 4 for ALMU Aeluma, Inc.

Accepted 2025-10-17 00:00:00 ET · period of report 2025-10-15 · accession 0001213900-25-100092 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
M	2025-10-17	2025-10-15+	ALMU	Tompkins Mark N.	10%	S - Sale	$20.09	-65.0K	2.40M	-3%	-$1.31M

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Common Stock	2025-10-16	S	D	6,650	$19.96	2,398,298	D	—	—	(F4) The price reported in Column 4 represents a weighted average sales price. These shares were sold in multiple transactions at prices ranging from $19.64 to $20.57, inclusive.
2	Common	Common Stock	2025-10-16	S	D	810	$20.72	2,397,488	D	—	—	(F5) The price reported in Column 4 represents a weighted average sales price. These shares were sold in multiple transactions at prices ranging from $20.65 to $20.76, inclusive.
3	Common	Common Stock	2025-10-15	S	D	24,147	$20.11	2,438,341	D	—	—	(F1) The price reported in Column 4 represents a weighted average sales price. These shares were sold in multiple transactions at prices ranging from $19.71 to $20.57, inclusive.
4	Common	Common Stock	2025-10-15	S	D	15,853	$21.31	2,422,488	D	—	—	(F2) The price reported in Column 4 represents a weighted average sales price. These shares were sold in multiple transactions at prices ranging from $20.71 to $21.52, inclusive.
5	Common	Common Stock	2025-10-16	S	D	17,540	$18.97	2,404,948	D	—	—	(F3) The price reported in Column 4 represents a weighted average sales price. These shares were sold in multiple transactions at prices ranging from $18.63 to $19.63, inclusive.