Klamkin Jonathan
SEC CIK 1869626 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| ALMU | Aeluma, Inc. | CEO, Dir, 10% | 1.23M | — | $9.91M | 21 | 2025-07-01 | 2026-09-21 |
Most active insiders at ALMU, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Tompkins Mark N. | Former 10% Owner | — | $19.83M |
| 2 | Klamkin Jonathan | CEO, Dir, 10% | — | $4.26M |
| 3 | Denbaars Steven | Dir | — | $1.61M |
| 4 | Stewart Christopher P. | CFO | — | — |
| 5 | Paglia John Kenneth | Dir | — | — |
| 6 | Byron Michael | Dir | — | — |
| 7 | ENSLEY CRAIG H | Dir | — | — |
Transactions 21
Purchase Sale Sale after option exercise All abbreviations
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DTI | 2026-09-23 19:16 | 2026-09-21 | ALMU | Aeluma, Inc. | Klamkin Jonathan | CEO, Dir | S - Sale | $13.35 | -100.0K | 1.23M | -8% | -$1.34M |
| DMT | 2026-09-23 19:16 | 2026-09-21 | ALMU | Aeluma, Inc. | Klamkin Jonathan | CEO, Dir | A - Grant | $0.00 | +44.4K | 46.8K | +1,850% | $0 |
| DT | 2026-09-23 19:16 | 2026-09-21 | ALMU | Aeluma, Inc. | Klamkin Jonathan | CEO, Dir | F - Tax | $13.61 | -4,547 | 42.3K | -10% | -$61.9K |
| TI | 2026-08-05 16:08 | 2026-08-03 | ALMU | Aeluma, Inc. | Klamkin Jonathan | CEO, Dir | G - Gift | $0.00 | -20.0K | 1.33M | -1% | $0 |
| T | 2026-08-05 16:08 | 2026-08-03 | ALMU | Aeluma, Inc. | Klamkin Jonathan | CEO, Dir | G - Gift | $0.00 | +20.0K | 22.4K | +832% | $0 |
| MT | 2026-08-05 16:08 | 2026-08-03 | ALMU | Aeluma, Inc. | Klamkin Jonathan | CEO, Dir | S - Sale | $16.73 | -20.0K | 2,403 | -89% | -$334.6K |
| TI | 2026-07-02 16:04 | 2026-07-01 | ALMU | Aeluma, Inc. | Klamkin Jonathan | CEO, Dir | G - Gift | $0.00 | -20.0K | 1.35M | -1% | $0 |
| T | 2026-07-02 16:04 | 2026-07-01 | ALMU | Aeluma, Inc. | Klamkin Jonathan | CEO, Dir | G - Gift | $0.00 | +20.0K | 22.4K | +832% | $0 |
| MT | 2026-07-02 16:04 | 2026-07-01 | ALMU | Aeluma, Inc. | Klamkin Jonathan | CEO, Dir | S - Sale | $21.08 | -20.0K | 2,403 | -89% | -$421.7K |
| TI | 2026-06-03 17:09 | 2026-06-01 | ALMU | Aeluma, Inc. | Klamkin Jonathan | CEO, Dir | G - Gift | $0.00 | -20.0K | 1.37M | -1% | $0 |
| T | 2026-06-03 17:09 | 2026-06-01 | ALMU | Aeluma, Inc. | Klamkin Jonathan | CEO, Dir | G - Gift | $0.00 | +20.0K | 22.4K | +832% | $0 |
| MT | 2026-06-03 17:09 | 2026-06-01 | ALMU | Aeluma, Inc. | Klamkin Jonathan | CEO, Dir | S - Sale | $25.03 | -20.0K | 2,403 | -89% | -$500.7K |
| MT | 2026-05-05 19:25 | 2025-12-19+ | ALMU | Aeluma, Inc. | Klamkin Jonathan | CEO, Dir | G - Gift | $0.00 | -1.39M | 22.4K | -98% | $0 |
| MTI | 2026-05-05 19:25 | 2025-12-19+ | ALMU | Aeluma, Inc. | Klamkin Jonathan | CEO, Dir | G - Gift | $0.00 | +1.39M | 1.39M | New | $0 |
| MT | 2026-05-05 19:25 | 2026-05-01 | ALMU | Aeluma, Inc. | Klamkin Jonathan | CEO, Dir | S - Sale | $24.96 | -20.0K | 2,403 | -89% | -$499.3K |
| T | 2026-04-03 18:58 | 2026-04-01 | ALMU | Aeluma, Inc. | Klamkin Jonathan | CEO, Dir | S - Sale | $13.10 | -20.0K | 1.41M | -1% | -$261.9K |
| M | 2026-03-05 | 2026-03-04 | ALMU | Aeluma, Inc. | Klamkin Jonathan | CEO, Dir, 10% | S - Sale | $18.05 | -50.0K | 1.45M | -3% | -$902.4K |
| DA | 2025-09-09 | 2025-07-01 | ALMU | Aeluma, Inc. | Klamkin Jonathan | CEO, Dir, 10% | J - Other | $16.37 | +2,403 | 1.63M | +0.1% | +$39.3K |
| DA | 2025-09-09 | 2025-08-14 | ALMU | Aeluma, Inc. | Klamkin Jonathan | CEO, Dir, 10% | S - Sale | $18.85 | -150.0K | 1.48M | -9% | -$2.83M |
| D | 2025-08-14 | 2025-07-01 | ALMU | Aeluma, Inc. | Klamkin Jonathan | CEO, Dir, 10% | J - Other | $16.37 | +2,403 | 1.63M | +0.1% | +$39.3K |
| D | 2025-08-14 | 2025-08-14 | ALMU | Aeluma, Inc. | Klamkin Jonathan | CEO, Dir, 10% | S - Sale | $18.85 | -150.0K | 1.48M | -9% | -$2.83M |