Klamkin Jonathan Insider Trading Activity
Klamkin Jonathan has been net-selling over the last 12 months with 0 purchases and 12 sales across 1 company.
ALMU is the most-traded position with 12 trades. The largest single transaction was a sale of ALMU for $2.8M on Aug 14, 2025.
Performance Scorecard
Forward stock performance after each transaction by Klamkin Jonathan. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.
| PERIOD | AVG BUY RETURN | AVG SELL AVOIDED | SUCCESS RATE | TRADES |
|---|---|---|---|---|
| 30 days | — | +4.3% | 67% | 12 |
| 90 days | — | -34.9% | 25% | 4 |
| 120 days | — | -1.6% | 33% | 3 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersALMU · Aeluma, Inc.
🔒 Subscribe to see trade entries
Pro members see exactly when Klamkin Jonathan bought and sold ALMU.
Upgrade to ProRecent Trades
| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | Δ OWNED | ROLE | FILING |
|---|---|---|---|---|---|---|---|---|
Jun 1, 2026 | ALMU | Sell | 7,900 | $24.39 | $193K | −39.3% | CEO | |
Jun 1, 2026 | ALMU | Sell | 1,400 | $23.32 | $33K | −6.5% | CEO | |
Jun 1, 2026 | ALMU | Sell | 900 | $22.19 | $20K | −4.0% | CEO | |
Jun 1, 2026 | ALMU | Sell | 8,200 | $26.25 | $215K | −77.3% | CEO | |
Jun 1, 2026 | ALMU | Sell | 1,600 | $25.12 | $40K | −13.1% | CEO | |
May 1, 2026 | ALMU | Sell | 4,300 | $24.20 | $104K | −19.2% | CEO | |
May 1, 2026 | ALMU | Sell | 15,024 | $25.15 | $378K | −83.0% | CEO | |
May 1, 2026 | ALMU | Sell | 676 | $25.71 | $17K | −22.0% | CEO | |
Apr 1, 2026 | ALMU | Sell | 20,000 | $13.10 | $262K | −1.4% | CEO | |
Mar 4, 2026 | ALMU | Sell | 21,794 | $18.41 | $401K | −1.5% | CEO | |
Mar 4, 2026 | ALMU | Sell | 28,206 | $17.77 | $501K | −1.9% | CEO | |
Aug 14, 2025 | ALMU | Sell | 150,000 | $18.85 | $2.8M | −9.2% | CEO |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| ALMU | Aeluma, Inc. | 12 | $5.0M |
Other insiders at Aeluma, Inc.
2 other tracked filers at ALMU.