Jonathan Klamkin sold $1.3M of ALMU
Chief Executive Officer at Aeluma, Inc.. 100,000 shares at an average of $13.35, traded Sep 21, 2026, filed Sep 23, 2026.
Score components
- +25RoleCEO
- +25Trade size$1.3M at market
- 0Share of holdings soldSold 7.5% 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 0001869626-26-000026, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Sep 21, 2026 | SOpen-market sale Common Stockindirect: By Family Trust10b5-1 | -100,000 | $13.35 | $1.3M | 1,226,995 | 19 d ago |
| Sep 21, 2026 | AGrant or award Common Stock10b5-1 | +31,771 | $0.00 | $0 | 34,174 | 19 d ago |
| Sep 21, 2026 | AGrant or award Common Stock10b5-1 | +12,675 | $0.00 | $0 | 46,849 | 19 d ago |
| Sep 21, 2026 | FTax withholding Common Stock10b5-1 | -4,547 | $13.61 | $62k | 42,302 | 19 d ago |
| Sep 21, 2026 | AGrant or award Stock Option (right to buy)derivative10b5-1 | +75,135 | $0.00 | $0 | 75,135 | 19 d ago |
Related signals
Other insiders at Aeluma, Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 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% | |
| 37Weak | ALMUsell Aeluma, Inc. | Mark N. Tompkins owner | $1.8M 109,080 shares | -4% |
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.