Gramm Jefferson
- SEC CIK
- 0001427290
No open-market purchases or sales filed in the past year.
Current role at each company
- SGU Star Group, L.P.10% Owner, Other: See Footnote 1as of Jun 3, 2025
- IVFH Innovative Food Holdings IncDirector, 10% Owneras of Dec 6, 2024
- JYNT JOINT Corp10% Owneras of Sep 21, 2023
- RBCN Rubicon Technology, Inc.Director, 10% Owner, Other: See Footnote 1as of Aug 23, 2022
Open-market trades in the past year
Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.
- Bought
- –
- 0 filings
- Sold
- –
- 0 filings
- Net
- –
- Bought minus sold
- Companies
- 0
- With open-market trades
Trades
Every Form 4 that lists Gramm Jefferson as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.
SGU Star Group, L.P.
10% Owner, Other: See Footnote 13 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jun 14, 2023 (view filing)5:36 PM ET | Jun 12-14 | 2 days | Bandera Partners LLC and 2 others10% Owner, Other: See Footnote 1 | SSaleCommon Units | −19.0K | $15.08 | −$287.2K | −0.5%3.45M after | 3 lots |
| Jun 20, 2023 (view filing)5:20 PM ET | Jun 15 | 5 days | Bandera Partners LLC and 2 others10% Owner, Other: See Footnote 1 | SSaleCommon Units | −712 | $15.06 | −$10.7K | 0.0%3.45M after | |
| Jun 3, 2025 (view filing)4:07 PM ET | May 30 | 4 days | Bandera Partners LLC and 2 others10% Owner, Other: See Footnote 1 | SSaleCommon Units | −700.0K | $12.04 | −$8.43M | −20.3%2.75M after |
IVFH Innovative Food Holdings Inc
Director, 10% Owner4 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Feb 10, 2023 (view filing)4:27 PM ET | Feb 8 | 2 days | Gramm JeffersonDirector | PPurchaseCommon Stock, par value $0.0001 per share | +360.0K | $0.25 | +$90.0K | +11.5%3.48M after | |
| Jul 19, 2024 (view filing) | Jul 17 | 2 days | Gramm JeffersonDirector | PPurchaseCommon Stock, par value $0.0001 per share | +1.11M | $1.20 | +$1.33M | +31.8%4.59M after | 2 lots |
| Jul 23, 2024 (view filing) | Jul 21 | 2 days | Gramm JeffersonDirector | PPurchaseCommon Stock, par value $0.0001 per share | +350.0K | $1.20 | +$420.0K | +7.6%4.94M after | |
| Dec 6, 2024 (view filing) | Dec 4 | 2 days | Gramm JeffersonDirector, 10% Owner | PPurchaseCommon Stock, par value $0.0001 per share | +1.25M | $1.60 | +$2.00M | +25.3%6.19M after |
JYNT JOINT Corp
10% Owner24 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| May 11, 2022 (view filing)5:39 PM ET | May 9-10 | 2 days | Bandera Partners LLC and 2 others10% Owner | PPurchaseCommon Stock, $0.001 Par Value Per Share | +232.8K | $15.95 | +$3.71M | +12.6%2.08M after | 2 lots |
| May 26, 2022 (view filing)5:12 PM ET | May 24-25 | 2 days | Bandera Partners LLC and 2 others10% Owner | PPurchaseCommon Stock, $0.001 Par Value Per Share | +22.4K | $14.98 | +$335.3K | +1.1%2.11M after | 2 lots |
| Jun 15, 2022 (view filing)5:39 PM ET | Jun 13-14 | 2 days | Bandera Partners LLC and 2 others10% Owner | PPurchaseCommon Stock, $0.001 Par Value Per Share | +44.7K | $13.73 | +$614.3K | +2.1%2.15M after | 2 lots |
| Sep 8, 2022 (view filing)4:39 PM ET | Sep 6 | 2 days | Bandera Partners LLC and 2 others10% Owner | PPurchaseCommon Stock, $0.001 Par Value Per Share | +2.35K | $16.47 | +$38.6K | +0.1%2.15M after | |
| Sep 20, 2022 (view filing)4:42 PM ET | Sep 16-20 | 4 days | Bandera Partners LLC and 2 others10% Owner | PPurchaseCommon Stock, $0.001 Par Value Per Share | +42.3K | $16.37 | +$692.8K | +2.0%2.19M after | 3 lots |
| Sep 26, 2022 (view filing)5:31 PM ET | Sep 22-26 | 4 days | Bandera Partners LLC and 2 others10% Owner | PPurchaseCommon Stock, $0.001 Par Value Per Share | +127.9K | $15.83 | +$2.02M | +5.8%2.32M after | 3 lots |
| Sep 29, 2022 (view filing)5:39 PM ET | Sep 27-29 | 2 days | Bandera Partners LLC and 2 others10% Owner | PPurchaseCommon Stock, $0.001 Par Value Per Share | +72.5K | $15.82 | +$1.15M | +3.1%2.40M after | 3 lots |
| Oct 11, 2022 (view filing)5:24 PM ET | Oct 7-11 | 4 days | Bandera Partners LLC and 2 others10% Owner | PPurchaseCommon Stock, $0.001 Par Value Per Share | +57.5K | $15.37 | +$883.8K | +2.4%2.45M after | 3 lots |
| Oct 14, 2022 (view filing)4:48 PM ET | Oct 12 | 2 days | Bandera Partners LLC and 2 others10% Owner | PPurchaseCommon Stock, $0.001 Par Value Per Share | +100 | $15.50 | +$1.55K | 0.0%2.45M after | |
| Oct 24, 2022 (view filing)5:17 PM ET | Oct 20-24 | 4 days | Bandera Partners LLC and 2 others10% Owner | PPurchaseCommon Stock, $0.001 Par Value Per Share | +16.5K | $15.29 | +$252.7K | +0.7%2.47M after | 3 lots |
RBCN Rubicon Technology, Inc.
Director, 10% Owner, Other: See Footnote 12 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Aug 23, 2022 (view filing)4:23 PM ET | Aug 19 | 4 days | Gramm Jefferson and 2 othersDirector, 10% Owner, Other: See Footnote 1 | SSaleCommon Stock, $0.001 Par Value Per Share | −3.06K | $20.00 | −$61.2K | −50.3%3.02K after | |
| Aug 23, 2022 (view filing)4:23 PM ET | Aug 19 | 4 days | Gramm Jefferson and 2 othersDirector, 10% Owner, Other: See Footnote 1 | SSaleCommon Stock, $0.001 Par Value Per Share | −129.9K | $20.00 | −$2.60M | −50.3%128.3K after |