Form 4 for ALMU Aeluma, Inc.

Accepted 2025-10-21 00:00:00 ET · period of report 2025-10-17 · accession 0001213900-25-100863 · 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	2025-10-21	2025-10-17+	ALMU	Tompkins Mark N.	10%	S - Sale	$16.67	-77.5K	2.32M	-3%	-$1.29M

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	2025-10-17	S	D	33,344	$16.75	2,364,144	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 $16.32 to $17.31, inclusive.
2	Common	Common Stock	2025-10-17	S	D	5,913	$17.77	2,358,231	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 $17.32 to $18.31, inclusive.
3	Common	Common Stock	2025-10-17	S	D	743	$18.45	2,357,488	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 $18.34 to $18.55, inclusive.
4	Common	Common Stock	2025-10-20	S	D	37,500	$16.39	2,319,988	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 $17.00 to $16.00, inclusive.