Skip to contentKOSKI ROBERT C — SUN HYDRAULICS CORP insider: 535 transactions · InsiderLensInsider trading activity of KOSKI ROBERT C
- Transactions on record
- 535
- since Jun 6, 2007
- Open-market buys
- 50
- $525.3K
- Open-market sells
- 439
- $27.3M
- Companies traded
- 3
- last filing Dec 15, 2025
Figures computed from official regulatory filings — methodology.
Companies where KOSKI ROBERT C has traded
Track record of KOSKI ROBERT C
Statistical track record
Free- Open-market buys
- 50
- Last buy
- Dec 31, 2021
Win rates and median returns are available with a free account (5 insiders/month).
Create a free account→Transaction history of KOSKI ROBERT C
Co-insiders of KOSKI ROBERT C
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ANDERSON BRIANORAGENICS INC
| Company | Filed | Type | Qty | Price | Value · USD | Src |
|---|
| Dec 15, 2025 | AwardD | 125,000 | 0.00 USD | $0 | SEC |
| Dec 13, 2024 | OtherD | -1,500,000 | — | — | SEC |
| Dec 13, 2024 | Other | 5,000 | — | — | SEC |
| Sep 20, 2024 | AwardD | 65,000 | 0.00 USD | $0 | SEC |
| Jan 22, 2024 | Award | 25,000 | 0.00 USD | $0 | SEC |
| Aug 10, 2023 | Award | 25,000 | 0.00 USD | $0 | SEC |
| Jan 3, 2023 | Sell | -36,648 | 0.11 USD | $4K | SEC |
| Jan 3, 2023 | Sell | -42,357 | 0.11 USD | $4.7K | SEC |
| Dec 16, 2022 | Sell | -140,497 | 0.18 USD | $25.3K | SEC |
| Dec 16, 2022 | Sell | -25,000 | 0.18 USD | $4.5K | SEC |
| Dec 15, 2022 | Sell | -4,503 | 0.18 USD | $810.5 | SEC |
| Dec 12, 2022 | Sell | -48,795 | 0.20 USD | $9.8K | SEC |
| Dec 9, 2022 | Sell | -13,036 | 0.20 USD | $2.6K | SEC |
| Dec 1, 2022 | Sell | -200,000 | 0.19 USD | $38K | SEC |
| Dec 1, 2022 | Sell | -200,000 | 0.19 USD | $38K | SEC |
| Aug 2, 2022 | AwardD | 220,000 | 0.00 USD | $0 | SEC |
| Jan 3, 2022 | Buy | 799,100 | 0.47 USD | $375.6K | SEC |
| Jan 3, 2022 | Buy | 200,900 | 0.45 USD | $90.4K | SEC |
| Dec 17, 2021 | AwardD | 75,000 | 0.00 USD | $0 | SEC |
| Feb 19, 2021 | AwardD | 160,000 | 0.00 USD | $0 | SEC |
| Feb 19, 2021 | Gift | -30,000 | 0.00 USD | $0 | SEC |
| Dec 23, 2020 | Gift | -35,000 | 0.00 USD | $0 | SEC |
| Dec 23, 2020 | Sell | -310,000 | 0.43 USD | $133.3K | SEC |
| Feb 7, 2020 | AwardD | 156,540 | 0.00 USD | $0 | SEC |
| Feb 7, 2020 | AwardD | 156,540 | 0.00 USD | $0 | SEC |