Insider · CIK 0001822100
Marshall Durston
Files at FROPX (Flat Rock Opportunity Fund), CORFX (Flat Rock Core Income Fund), FRBBX (Flat Rock Enhanced Income Fund). First filing Dec 27, 2023, latest Dec 11, 2025.
In brief
Marshall Durston files SEC Form 4 as director at FROPX (Flat Rock Opportunity Fund), and also at CORFX (Flat Rock Core Income Fund), FRBBX (Flat Rock Enhanced Income Fund). Since Dec 27, 2023, Marshall Durston has reported 9 open-market buys worth $135k and 0 open-market sells worth $0, the latest filed on Dec 11, 2025.
After Marshall Durston's past buys, the stock trailed the S&P 500 by a median 3.6% over six months (n = 6), and 33% of those buys were ahead of the index at six months. InsiderTell labels that a negative record.
The newest scored trade: bought $25k of FRBBX on Dec 9, 2025, filed Dec 11, 2025, scored 45 (moderate). In the last 12 months: 3 buys worth $75k and 0 sells worth $0.
Where the trades landed
Last year at the 3 companies this insider has traded most, with each buy and sell on the bar it happened.
FRBBX: Flat Rock Enhanced Income Fund
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
CORFX: Flat Rock Core Income Fund
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
FROPX: Flat Rock Opportunity Fund
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 45Moderate | Flat Rock Enhanced Income Fund | $25k 1,140 shares | +106% | +11% from low0% from high | |
| 55Moderate | Flat Rock Core Income Fund | $25k 1,262 shares | +70% | +6% from low0% from high | |
| 55Moderate | Flat Rock Opportunity Fund | $25k 1,533 shares | +72% | +5% from low-3% from high | |
| 29Weak | Flat Rock Opportunity Fund | $10,000 521 shares | +40% | - | |
| 40Moderate | Flat Rock Enhanced Income Fund | $10k 463 shares | +88% | - | |
| 36Weak | Flat Rock Core Income Fund | $10k 488 shares | +42% | - | |
| 35Weak | Flat Rock Core Income Fund | $10,000 489 shares | +88% | +11% from low0% from high | |
| 28Weak | Flat Rock Opportunity Fund | $10k 523 shares | +86% | +19% from low0% from high | |
| 33Weak | Flat Rock Enhanced Income Fund | $10k 468 shares | - | +14% from low0% from high |
Transactions
Every row this insider has filed, 9 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Dec 9, 2025 | FRBBX Flat Rock Enhanced Income Fund | POpen-market purchase Common Shares of Beneficial Interest | +1,140 | $21.93 | $25k | 2,217 | Dec 11, 2025 |
| Dec 9, 2025 | CORFX Flat Rock Core Income Fund | POpen-market purchase Common Shares of Beneficial Interest | +1,262 | $19.81 | $25k | 3,063 | Dec 11, 2025 |
| Dec 9, 2025 | FROPX Flat Rock Opportunity Fund | POpen-market purchase Common Shares of Beneficial Interest | +1,533 | $16.31 | $25k | 3,661 | Dec 11, 2025 |
| Dec 18, 2024 | FROPX Flat Rock Opportunity Fund | POpen-market purchase Common Shares of Beneficial Interest | +521 | $19.18 | $10,000 | 1,840 | Dec 20, 2024 |
| Dec 18, 2024 | FRBBX Flat Rock Enhanced Income Fund | POpen-market purchase Common Shares of Beneficial Interest | +463 | $21.61 | $10k | 988 | Dec 20, 2024 |
| Dec 18, 2024 | CORFX Flat Rock Core Income Fund | POpen-market purchase Common Shares of Beneficial Interest | +488 | $20.51 | $10k | 1,645 | Dec 20, 2024 |
| Dec 26, 2023 | FRBBX Flat Rock Enhanced Income Fund | POpen-market purchase Common Shares of Beneficial Interest | +468 | $21.38 | $10k | 468 | Dec 27, 2023 |
| Dec 22, 2023 | CORFX Flat Rock Core Income Fund | POpen-market purchase Common Shares of Beneficial Interest | +489 | $20.43 | $10,000 | 1,048 | Dec 27, 2023 |
| Dec 22, 2023 | FROPX Flat Rock Opportunity Fund | POpen-market purchase Common Shares of Beneficial Interest | +523 | $19.11 | $10k | 1,134 | Dec 27, 2023 |
Questions about Marshall Durston
Answered from the filings on this page, as of the latest one.
Is Marshall Durston buying or selling?
In the last 12 months Marshall Durston reported 3 open-market buys worth $75k and 0 open-market sells worth $0 on SEC Form 4; the latest was bought $25k of FRBBX on Dec 9, 2025. Grants, option exercises and tax withholding are not counted.
How did Marshall Durston's past buys perform?
Measured from the first close after each filing, the stock trailed the S&P 500 by a median 3.6% over six months across 6 past buys, with 33% ahead of the index. Past results describe what happened; they do not predict the next trade.
Where does Marshall Durston file Form 4?
Marshall Durston has filed Form 4 at FROPX (Flat Rock Opportunity Fund); CORFX (Flat Rock Core Income Fund); FRBBX (Flat Rock Enhanced Income Fund). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.