InsidersTradesSigma
Total declarations
Companies
▲ Purchases (4 ops.)
▼ Sales (2 ops.)
Insider track record
Board DirectorDisclosed buys
4
Disclosed sells
2
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Discover the full record of transactions filed by Gramm Jefferson, Director. Insider active across 2 companies, notably Rubicon Technology, Inc.. In total, 8 filings have been published. Breakdown: 4 buys · 2 sells. Total volume traded: €5.9m. History available since 23 June 2021. The latest transaction was disclosed on 4 December 2024 (Acquisition). Regulator: SEC (Form 4). All data is openly available.
Companies and markets linked to Gramm Jefferson
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations8 total
1,250,000 shares@ US$1.6057.6% of flowCommon Stock, par value $0.0001 per shareSEC:0000921895-24-002897:0
Canonical exit: 4 Mar 2025 (T+90)
350,000 shares@ US$1.2011.7% of flowCommon Stock, par value $0.0001 per shareSEC:0000921895-24-001619:0
Canonical exit: 19 Oct 2024 (T+90)
850,000 shares@ US$1.2028.2% of flowCommon Stock, par value $0.0001 per shareSEC:0000921895-24-001607:0
Canonical exit: 15 Oct 2024 (T+90)
360,000 shares@ US$0.252.5% of flowCommon Stock, par value $0.0001 per shareSEC:0000921895-23-000406:0
Canonical exit: 9 May 2023 (T+90)
3,059 shares@ US$20.002.3% of flowCommon Stock, $0.001 Par Value Per ShareSEC:0000921895-22-002519:0
129,933 shares@ US$20.0097.7% of flowCommon Stock, $0.001 Par Value Per ShareSEC:0000921895-22-002519:1
1,010 shares0Common StockSEC:0001213900-22-043432:0
1,250 shares0Common StockSEC:0001213900-21-034537:0
8 of 8 declarations
About Gramm Jefferson
Gramm Jefferson is Administrateur at Innovative Food Holdings INC and Rubicon Technology, Inc. He has 8 filings in total, and across the sampled recent filings, buy and sell activity covers the period from 2021-06-28 to 2024-12-06, with EUR 3304370 of buys and EUR 2636141 of sells. The most common transaction nature is Acquisition.
