SEC Insider Transactions from Klamkin Jonathan.

Last updated: 2026-03-16 13:01 UTC | Total transactions: 10

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.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
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%
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%
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%
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%
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%