Jonathan Klamkin, CEO of Aeluma Inc. ($ALMU), sold shares on the open market four times in the last year, totaling $6.6 million. His most recent sale occurred on March 4, 2026. These sales rank 1,579th among over 11,700 insiders in our database, where the average is $8.6 million across about 6.4 transactions per person. Klamkin made no open market purchases during this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| May 1, 2026 | Aeluma, Inc. | $ALMU | Klamkin Jonathan | Chief Executive Officer | S | Common Stock | 676 | $25.71 | 1,389,398.0000 | 17,875,930 | 0.05% | 0.00% |
| Dec. 19, 2025 | Aeluma, Inc. | $ALMU | Klamkin Jonathan | Chief Executive Officer | G | Common Stock | 350000 | $0.00 | 352,403.0000 | 16,141,153 | 9999.99% | 2.17% |
| Dec. 29, 2025 | Aeluma, Inc. | $ALMU | Klamkin Jonathan | Chief Executive Officer | G | Common Stock | 1126995 | $0.00 | 1,389,398.0000 | 16,141,153 | 44.79% | 6.98% |
| Dec. 29, 2025 | Aeluma, Inc. | $ALMU | Klamkin Jonathan | Chief Executive Officer | G | Common Stock | 1126995 | $0.00 | 1,479,398.0000 | 16,141,153 | 319.80% | 6.98% |
| March 4, 2026 | Aeluma, Inc. | $ALMU | Klamkin Jonathan | Chief Executive Officer | G | Common Stock | 50000 | $0.00 | 1,429,398.0000 | 17,875,930 | 3.38% | 0.28% |
| March 4, 2026 | Aeluma, Inc. | $ALMU | Klamkin Jonathan | Chief Executive Officer | G | Common Stock | 50000 | $0.00 | 1,439,398.0000 | 17,875,930 | 3.60% | 0.28% |
| April 1, 2026 | Aeluma, Inc. | $ALMU | Klamkin Jonathan | Chief Executive Officer | G | Common Stock | 20000 | $0.00 | 1,409,398.0000 | 17,875,930 | 1.40% | 0.11% |
| April 1, 2026 | Aeluma, Inc. | $ALMU | Klamkin Jonathan | Chief Executive Officer | G | Common Stock | 20000 | $0.00 | 1,409,398.0000 | 17,875,930 | 1.44% | 0.11% |
| May 1, 2026 | Aeluma, Inc. | $ALMU | Klamkin Jonathan | Chief Executive Officer | G | Common Stock | 20000 | $0.00 | 1,389,398.0000 | 17,875,930 | 1.42% | 0.11% |
| May 1, 2026 | Aeluma, Inc. | $ALMU | Klamkin Jonathan | Chief Executive Officer | G | Common Stock | 20000 | $0.00 | 1,409,398.0000 | 17,875,930 | 1.44% | 0.11% |
| May 1, 2026 | Aeluma, Inc. | $ALMU | Klamkin Jonathan | Chief Executive Officer | S | Common Stock | 4300 | $24.20 | 1,405,098.0000 | 17,875,930 | 0.31% | 0.02% |
| May 1, 2026 | Aeluma, Inc. | $ALMU | Klamkin Jonathan | Chief Executive Officer | S | Common Stock | 15024 | $25.15 | 1,390,074.0000 | 17,875,930 | 1.07% | 0.08% |
| Dec. 19, 2025 | Aeluma, Inc. | $ALMU | Klamkin Jonathan | Chief Executive Officer | G | Common Stock | 350000 | $0.00 | 2,516,393.0000 | 16,141,153 | 12.21% | 2.17% |
| April 1, 2026 | Aeluma, Inc. | $ALMU | Klamkin Jonathan | Chief Executive Officer | S | Common Stock | 20000 | $13.10 | 1,409,398.0000 | 17,875,930 | 1.40% | 0.11% |
| March 4, 2026 | Aeluma, Inc. | $ALMU | Klamkin Jonathan | Chief Executive Officer | S | Common Stock | 28206 | $17.77 | 1,451,192.0000 | 17,875,930 | 1.91% | 0.16% |
| March 4, 2026 | Aeluma, Inc. | $ALMU | Klamkin Jonathan | Chief Executive Officer | S | Common Stock | 21794 | $18.41 | 1,429,398.0000 | 17,875,930 | 1.50% | 0.12% |
| July 1, 2025 | Aeluma, Inc. | $ALMU | Klamkin Jonathan | Chief Executive Officer | J | Common Stock | 2403 | $16.37 | 1,629,398.0000 | 13,168,345 | 0.15% | 0.02% |
| Aug. 14, 2025 | Aeluma, Inc. | $ALMU | Klamkin Jonathan | Chief Executive Officer | S | Common Stock | 150000 | $18.85 | 1,479,398.0000 | 13,168,345 | 9.21% | 1.14% |
| July 1, 2025 | Aeluma, Inc. | $ALMU | Klamkin Jonathan | Chief Executive Officer | J | Stock Option | 6253 | $16.37 | 326,253.0000 | 13,168,345 | 1.95% | 0.05% |
| July 1, 2025 | Aeluma, Inc. | $ALMU | Klamkin Jonathan | Chief Executive Officer | J | Common Stock | 2403 | $16.37 | 1,629,398.0000 | 13,168,345 | 0.15% | 0.02% |
| Aug. 14, 2025 | Aeluma, Inc. | $ALMU | Klamkin Jonathan | Chief Executive Officer | S | Common Stock | 150000 | $18.85 | 1,479,398.0000 | 13,168,345 | 9.21% | 1.14% |
| July 1, 2025 | Aeluma, Inc. | $ALMU | Klamkin Jonathan | Chief Executive Officer | J | Stock Option | 6253 | $16.37 | 326,253.0000 | 13,168,345 | 1.95% | 0.05% |
| Nov. 30, 2022 | Aeluma, Inc. | $ALMU | Klamkin Jonathan | Chief Executive Officer | S | Stock Option | 100000 | $2.10 | 1,726,995.0000 | 10,650,002 | 6.15% | 0.94% |
| Jan. 10, 2024 | Aeluma, Inc. | $ALMU | Klamkin Jonathan | Chief Executive Officer | S | Stock Option | 220000 | $7.80 | 1,946,995.0000 | 12,167,930 | 12.74% | 1.81% |