Form 4 for ALMU Aeluma, Inc.

Accepted 2025-12-09 00:00:00 ET · period of report 2025-12-04 · accession 0001213900-25-119418 · 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	2025-12-09	2025-12-04+	ALMU	Tompkins Mark N.	10%	S - Sale	$16.08	-100.0K	2.22M	-4%	-$1.61M

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	2025-12-04	S	D	18,500	$16.37	2,289,988	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 $16.02 to $16.68, inclusive.
2	Common	Common Stock	2025-12-05	S	D	28,390	$16.12	2,261,598	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 $15.41 to $16.40, inclusive.
3	Common	Common Stock	2025-12-05	S	D	1,610	$16.49	2,259,988	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 $16.41 to $16.56, inclusive.
4	Common	Common Stock	2025-12-08	S	D	39,012	$16.04	2,220,976	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 $15.83 to $16.81, inclusive.
5	Common	Common Stock	2025-12-04	S	D	11,500	$15.49	2,308,488	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 $14.99 to $15.96, inclusive.
6	Common	Common Stock	2025-12-08	S	D	988	$16.87	2,219,988	D	—	—