Bornstein Jeffrey S
- SEC CIK
- 0001579989
In the past year, 1 open-market sale filing worth $612.5K and no purchases.
Current role at each company
- EOSE Eos Energy Enterprises, Inc.Directoras of Aug 6, 2026
- KLRS Kalaris Therapeutics, Inc.Directoras of Jun 7, 2024
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
- $612.5K
- 1 filing
- Net
- −$612.5K
- Bought minus sold
- Companies
- 1
- With open-market trades
Trades
Every Form 4 that lists Bornstein Jeffrey S 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.
EOSE Eos Energy Enterprises, Inc.
Director5 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Dec 8, 2025 (view filing) | Dec 5 | 3 days | Bornstein Jeffrey SDirector | SSale | −32.3K | $15.05 | −$486.5K | −21.8%115.8K after | |
| Dec 8, 2025 (view filing) | Dec 4 | 4 days | Bornstein Jeffrey SDirector | SSale | −8.00K | $15.75 | −$126.0K | −100.0%0 after | |
| Sep 16, 2024 (view filing) | Sep 12 | 4 days | Bornstein Jeffrey SDirector | SSale | −132.7K | $2.63 | −$349.1K | −94.3%8.00K after | |
| Sep 16, 2024 (view filing) | Sep 12 | 4 days | Bornstein Jeffrey SDirector | SSale | −30.0K | $2.62 | −$78.6K | −26.1%84.9K after | |
| Nov 14, 2022 (view filing) | Nov 10 | 4 days | Bornstein Jeffrey SDirector | PPurchase | +20.0K | $1.30 | +$26.0K | New position20.0K after |
KLRS Kalaris Therapeutics, Inc.
Director2 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Apr 28, 2022 (view filing) | Apr 26 | 2 days | Bornstein Jeffrey SDirector | PPurchase | +5.00K | $4.64 | +$23.2K | +14.2%40.2K after | |
| Feb 10, 2022 (view filing) | Feb 10 | Same day | Bornstein Jeffrey SDirector | PPurchase | +5.00K | $8.87 | +$44.4K | +16.6%35.2K after |