Nasdaq · CIK 0001828805
ALMU Aeluma, Inc.
Insider trading from SEC Form 4. Last filing 11 d ago. Close $11.40 on Oct 9, 2026, +6% from the 52-week low and -64% from the high.
Last 90 days
Net insider value
-$1.3M
more sold than bought
Buys
0
$0 by 0 insiders
Sells
1
$1.3M by 1 insider
Insiders on file
7
with a Form 4 at this company
Price and insider trades, last year
ALMUOct 9, 2026 · close 11.40
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
Open-market buys and sells at Aeluma, Inc., scored.
| Score | Insider | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 30Weak | Jonathan Klamkin Chief Executive Officer sell | $1.3M 100,000 shares | -8% | - | |
| 30Weak | Jonathan Klamkin Chief Executive Officer sell | $2.8M 150,000 shares | -9% | +598% from low-25% from high |
Transactions
The last 20 rows filed, every code.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 30, 2026 | Christopher P. Stewart Chief Financial Officer | FTax withholding Common Stock | -5,697 | $12.36 | $70k | 67,781 | 11 d ago |
| Sep 21, 2026 | Michael Byron director | MOption exercise Common Stock | +25,000 | $5.93 | $148k | 38,343 | 19 d ago |
| Sep 21, 2026 | Christopher P. Stewart Chief Financial Officer | AGrant or award Common Stock | +15,886 | $0.00 | $0 | 15,886 | 19 d ago |
| Sep 21, 2026 | Jonathan Klamkin Chief Executive Officer | SOpen-market sale Common Stockindirect: By Family Trust10b5-1 | -100,000 | $13.35 | $1.3M | 1,226,995 | 19 d ago |
| Sep 21, 2026 | Michael Byron director | MOption exercise Stock Option (right to buy)derivative | -25,000 | $0.00 | $0 | 20,833 | 19 d ago |
| Sep 21, 2026 | Christopher P. Stewart Chief Financial Officer | AGrant or award Common Stock | +4,042 | $0.00 | $0 | 19,928 | 19 d ago |
| Sep 21, 2026 | Jonathan Klamkin Chief Executive Officer | AGrant or award Common Stock10b5-1 | +31,771 | $0.00 | $0 | 34,174 | 19 d ago |
| Sep 21, 2026 | Christopher P. Stewart Chief Financial Officer | FTax withholding Common Stock | -1,450 | $13.61 | $20k | 18,478 | 19 d ago |
| Sep 21, 2026 | Jonathan Klamkin Chief Executive Officer | AGrant or award Common Stock10b5-1 | +12,675 | $0.00 | $0 | 46,849 | 19 d ago |
| Sep 21, 2026 | Jonathan Klamkin Chief Executive Officer | FTax withholding Common Stock10b5-1 | -4,547 | $13.61 | $62k | 42,302 | 19 d ago |
| Sep 21, 2026 | Christopher P. Stewart Chief Financial Officer | AGrant or award Stock Option (right to buy)derivative | +37,568 | $0.00 | $0 | 37,568 | 19 d ago |
| Sep 21, 2026 | Jonathan Klamkin Chief Executive Officer | AGrant or award Stock Option (right to buy)derivative10b5-1 | +75,135 | $0.00 | $0 | 75,135 | 19 d ago |
| Jul 1, 2025 | Jonathan Klamkin Chief Executive Officer | JOther Common Stock10b5-1 | +2,403 | $16.37 | $39k | 1,629,398 | Aug 14, 2025 |
| Aug 14, 2025 | Jonathan Klamkin Chief Executive Officer | SOpen-market sale Common Stock10b5-1 | -150,000 | $18.85 | $2.8M | 1,479,398 | Aug 14, 2025 |
| Jul 1, 2025 | Jonathan Klamkin Chief Executive Officer | JOther Stock Optionderivative10b5-1 | +6,253 | $16.37 | $102k | 326,253 | Aug 14, 2025 |
| Jan 10, 2025 | Craig H Ensley director | AGrant or award Stock Optionderivative | +85,885 | $7.80 | $670k | 129,889 | May 23, 2025 |
| Jan 10, 2025 | John Kenneth Paglia director | AGrant or award Stock Optionderivative | +87,973 | $7.80 | $686k | 210,011 | May 23, 2025 |
| Jan 10, 2025 | Steven Denbaars director | AGrant or award Stock Optionderivative | +84,663 | $7.80 | $660k | 127,942 | May 23, 2025 |
| Mar 27, 2025 | Mark N. Tompkins owner | CConversion Common Stock | +200,000 | $3.50 | $700k | 2,915,833 | Mar 31, 2025 |
| Mar 27, 2025 | Mark N. Tompkins owner | CConversion Convertible Promissory Notederivative | - | $3.50 | - | 0 | Mar 31, 2025 |
Insiders
Everyone who has filed a Form 4 here.
- Michael Byrondirector
- Steven Denbaarsdirector
- Craig H Ensleydirector
- Jonathan KlamkinChief Executive Officer
- John Kenneth Pagliadirector
- Christopher P. StewartChief Financial Officer
- Mark N. Tompkinsother, owner, director
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.