Klamkin Jonathan (CIK 1869626) reported 18 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-07-02). Recent activity: Sell ALMU (20,000 shares), Buy ALMU (20,000 shares), Sell ALMU (19,900 shares), Sell ALMU (100 shares), Sell ALMU (20,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-02 | Aeluma, Inc. (ALMU) | Chief Executive Officer | Sell | 20,000 | $0 |
| 2026-07-02 | Aeluma, Inc. (ALMU) | Chief Executive Officer | Buy | 20,000 | $0 |
| 2026-07-02 | Aeluma, Inc. (ALMU) | Chief Executive Officer | Sell | 19,900 | $419,512 |
| 2026-07-02 | Aeluma, Inc. (ALMU) | Chief Executive Officer | Sell | 100 | $2,156 |
| 2026-06-03 | Aeluma, Inc. (ALMU) | Chief Executive Officer | Sell | 20,000 | $0 |
| 2026-06-03 | Aeluma, Inc. (ALMU) | Chief Executive Officer | Buy | 20,000 | $0 |
| 2026-06-03 | Aeluma, Inc. (ALMU) | Chief Executive Officer | Sell | 900 | $19,968 |
| 2026-06-03 | Aeluma, Inc. (ALMU) | Chief Executive Officer | Sell | 1,400 | $32,649 |
| 2026-06-03 | Aeluma, Inc. (ALMU) | Chief Executive Officer | Sell | 7,900 | $192,642 |
| 2026-06-03 | Aeluma, Inc. (ALMU) | Chief Executive Officer | Sell | 1,600 | $40,190 |
| 2026-06-03 | Aeluma, Inc. (ALMU) | Chief Executive Officer | Sell | 8,200 | $215,211 |
| 2026-04-03 | Aeluma, Inc. (ALMU) | Chief Executive Officer | Sell | 20,000 | $261,950 |
| 2026-03-05 | Aeluma, Inc. (ALMU) | Chief Executive Officer | Sell | 28,206 | $501,221 |
| 2026-03-05 | Aeluma, Inc. (ALMU) | Chief Executive Officer | Sell | 21,794 | $401,228 |
| 2025-09-09 | Aeluma, Inc. (ALMU) | Chief Executive Officer | Buy | 2,403 | $39,337 |
| 2025-09-09 | Aeluma, Inc. (ALMU) | Chief Executive Officer | Sell | 150,000 | $2.8M |
| 2025-08-14 | Aeluma, Inc. (ALMU) | Chief Executive Officer | Buy | 2,403 | $39,337 |
| 2025-08-14 | Aeluma, Inc. (ALMU) | Chief Executive Officer | Sell | 150,000 | $2.8M |
Source: SEC Form 4 filings · as of 2026-07-02