Jonathan Klamkin sold $501k of ALMU
Chief Executive Officer at Aeluma, Inc.. 20,000 shares at an average of $25.03, traded Jun 1, 2026, filed Jun 3, 2026.
Score components
- +25RoleCEO
- +18Trade size$501k at market
- +20Share of holdings soldSold 89% of holdings
- +8Cluster2 insiders 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 0001869626-26-000018, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Jun 1, 2026 | GGift Common Stockindirect: By Family Trust10b5-1 | -20,000 | $0.00 | $0 | 1,366,995 | Jun 3, 2026 |
| Jun 1, 2026 | GGift Common Stock10b5-1 | +20,000 | $0.00 | $0 | 22,403 | Jun 3, 2026 |
| Jun 1, 2026 | SOpen-market sale Common Stock10b5-1 | -900 | $22.19 | $20k | 21,503 | Jun 3, 2026 |
| Jun 1, 2026 | SOpen-market sale Common Stock10b5-1 | -1,400 | $23.32 | $33k | 20,103 | Jun 3, 2026 |
| Jun 1, 2026 | SOpen-market sale Common Stock10b5-1 | -7,900 | $24.39 | $193k | 12,203 | Jun 3, 2026 |
| Jun 1, 2026 | SOpen-market sale Common Stock10b5-1 | -1,600 | $25.12 | $40k | 10,603 | Jun 3, 2026 |
| Jun 1, 2026 | SOpen-market sale Common Stock10b5-1 | -8,200 | $26.25 | $215k | 2,403 | Jun 3, 2026 |
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% | |
| 30Weak | ALMUsell Aeluma, Inc. | Steven Denbaars director | $346k 25,000 shares | -7% | |
| 10Weak | Aeluma, Inc. | Steven Denbaars director | $346k 25,000 shares | -7% | |
| 40Moderate | Aeluma, Inc. | Jonathan Klamkin Chief Executive Officer | $335k 20,000 shares | -89% | |
| 41Moderate | Aeluma, Inc. | Jonathan Klamkin Chief Executive Officer | $422k 20,000 shares | -89% | |
| 21Weak | Aeluma, Inc. | Steven Denbaars director | $506k 25,000 shares | -6% | |
| 43Moderate | Aeluma, Inc. | Jonathan Klamkin Chief Executive Officer | $499k 20,000 shares | -89% | |
| 18Weak | Aeluma, Inc. | Jonathan Klamkin Chief Executive Officer | $262k 20,000 shares | -1% | |
| 37Weak | Aeluma, Inc. | Jonathan Klamkin Chief Executive Officer | $903k 50,000 shares | -3% | |
| 19Weak | Aeluma, Inc. | Steven Denbaars director | $418k 25,000 shares | -6% |
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.