InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (14 ops.)
Insider track record
CEODisclosed buys
0
Disclosed sells
14
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Browse the detailed record of transactions filed by Klamkin Jonathan, Chairman & CEO. Director active across 1 company, notably Aeluma, Inc.. Aggregated, 33 filings have been recorded. Breakdown: 0 buy · 14 sells. Total volume traded: €1.8m. Activity tracked since 22 June 2021. The latest transaction was disclosed on 3 August 2026 (Don). Regulator: SEC (Form 4). All data is openly available.
Companies and markets linked to Klamkin Jonathan
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations33 total
20,000 shares0Common StockSEC:0001869626-26-000023:0
20,000 shares0Common StockSEC:0001869626-26-000023:1
4,190 shares@ US$16.29180.020% mcap3.2% of flowCommon StockSEC:0001869626-26-000023:2
15,810 shares@ US$16.84870.080% mcap12.6% of flowCommon StockSEC:0001869626-26-000023:3
20,000 sharesCommon StockSEC:0001869626-26-000020:0
20,000 sharesCommon StockSEC:0001869626-26-000020:1
19,900 sharesCommon StockSEC:0001869626-26-000020:2
100 sharesCommon StockSEC:0001869626-26-000020:3
20,000 shares0Common StockSEC:0001869626-26-000018:0
20,000 shares0Common StockSEC:0001869626-26-000018:1
900 shares@ US$22.18670.0066% mcap2.0% of flowCommon StockSEC:0001869626-26-000018:2
1,400 shares@ US$23.3210.011% mcap3.3% of flowCommon StockSEC:0001869626-26-000018:3
7,900 shares@ US$24.38510.064% mcap19.4% of flowCommon StockSEC:0001869626-26-000018:4
1,600 shares@ US$25.11850.013% mcap4.0% of flowCommon StockSEC:0001869626-26-000018:5
8,200 shares@ US$26.24530.072% mcap21.6% of flowCommon StockSEC:0001869626-26-000018:6
4,300 shares@ US$24.19920.034% mcap10.4% of flowCommon StockSEC:0001869626-26-000015:10
15,024 shares@ US$25.14870.12% mcap37.6% of flowCommon StockSEC:0001869626-26-000015:11
676 shares@ US$25.71250.0057% mcap1.7% of flowCommon StockSEC:0001869626-26-000015:12
350,000 shares0Common StockSEC:0001869626-26-000015:0
350,000 shares0Common StockSEC:0001869626-26-000015:1
1,126,995 shares0Common StockSEC:0001869626-26-000015:2
1,126,995 shares0Common StockSEC:0001869626-26-000015:3
50,000 shares0Common StockSEC:0001869626-26-000015:4
50,000 shares0Common StockSEC:0001869626-26-000015:5
20,000 shares0Common StockSEC:0001869626-26-000015:6
25 of 33 declarations
About Klamkin Jonathan
Klamkin Jonathan is President-Directeur Général and Chief Executive Officer at Aeluma, Inc. He has 29 filings in total, and across the recent filings tracked, no buy transactions are shown and 1514484 EUR of sell transactions are recorded between 2021-06-25 and 2026-07-02, with the transaction nature shown as Don.
