Jonathan Klamkin sold $2.8M of ALMU
Chief Executive Officer at Aeluma, Inc.. 150,000 shares at an average of $18.85, traded Aug 14, 2025, filed Sep 9, 2025.
Score components
- +25RoleCEO
- +25Trade size$2.8M at market
- 0Share of holdings soldSold 9.2% of holdings
- 0ClusterNo other insider selling within 14 days
- -2010b5-1 planPre-scheduled under a 10b5-1 plan
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001213900-25-086275, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Jul 1, 2025 | JOther Common Stock | +2,403 | $16.37 | $39k | 1,629,398 | Sep 9, 2025 |
| Aug 14, 2025 | SOpen-market sale Common Stock10b5-1 | -150,000 | $18.85 | $2.8M | 1,479,398 | Sep 9, 2025 |
| Jul 1, 2025 | JOther Stock Optionderivative | +6,253 | $16.37 | $102k | 326,253 | Sep 9, 2025 |
Related signals
Other insiders at Aeluma, Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 30Weak | Aeluma, Inc. | Jonathan Klamkin Chief Executive Officer | $1.3M 100,000 shares | -8% | |
| 37Weak | ALMUsell Aeluma, Inc. | Mark N. Tompkins owner | $997k 60,000 shares | -3% | |
| 37Weak | ALMUsell Aeluma, Inc. | Mark N. Tompkins owner | $1.2M 85,000 shares | -4% | |
| 35Weak | ALMUsell Aeluma, Inc. | Mark N. Tompkins owner | $854k 50,000 shares | -2% | |
| 37Weak | ALMUsell Aeluma, Inc. | Mark N. Tompkins owner | $1.6M 100,000 shares | -4% | |
| 37Weak | ALMUsell Aeluma, Inc. | Mark N. Tompkins owner | $1.3M 77,500 shares | -3% | |
| 37Weak | ALMUsell Aeluma, Inc. | Mark N. Tompkins owner | $1.3M 65,000 shares | -3% | |
| 37Weak | ALMUsell Aeluma, Inc. | Mark N. Tompkins owner | $1.9M 107,186 shares | -4% | |
| 37Weak | ALMUsell Aeluma, Inc. | Mark N. Tompkins owner | $1.8M 106,908 shares | -4% | |
| 37Weak | ALMUsell Aeluma, Inc. | Mark N. Tompkins owner | $2.3M 129,751 shares | -5% |
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.