InsiderTrades

Form 4 for ALMU Aeluma, Inc.

Accepted 2026-09-23 19:16:06 ET · period of report 2026-09-21 · accession 0001869626-26-000026 · 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
DTI 2026-09-23 19:16 2026-09-21 ALMU Klamkin Jonathan CEO, Dir S - Sale $13.35 -100.0K 1.23M -8% -$1.34M
DMT 2026-09-23 19:16 2026-09-21 ALMU Klamkin Jonathan CEO, Dir A - Grant $0.00 +44.4K 46.8K +1,850% $0
DT 2026-09-23 19:16 2026-09-21 ALMU Klamkin Jonathan CEO, Dir F - Tax $13.61 -4,547 42.3K -10% -$61.9K
DT 2026-09-23 19:16 2026-09-21 ALMU Klamkin Jonathan CEO, Dir A - Grant $0.00 +75.1K 75.1K New $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-09-21 S D 100,000 $13.35 1,226,995 I By Family Trust — — (F1) Sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 23, 2026. (F2) Reflects the weighted average price of 100,000 shares of common stock of Aeluma, Inc. sold by the reporting person in multiple transactions on September 21, 2026 with sale prices ranging from $12.70 to $13.65 per share. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
2 Common Common Stock 2026-09-21 A A 31,771 $0.00 34,174 D — — (F3) Restricted stock units ("RSUs") scheduled to vest and settle into an equal number of shares of common stock with respect to 25% of the shares on September 30, 2027 and thereafter in 12 substantially equivalent quarterly increments on the last day of each calendar quarter.
3 Common Common Stock 2026-09-21 A A 12,675 $0.00 46,849 D — — (F4) Stock award in lieu of cash bonus.
4 Common Common Stock 2026-09-21 F D 4,547 $13.61 42,302 D — —
5 Derivative Stock Option (right to buy) 2026-09-21 A A 75,135 $0.00 75,135 D $13.61 · — to 2036-09-21 75,135 Common Stock (F5) Stock options scheduled to vest with respect to 25% of the shares on first anniversary of the grant date, and thereafter in 36 substantially equivalent increments on each monthly anniversary of the grant date.