David C. Sims is CFO & CCO +2 at NAIC GROWTH FUND INC (GRF). They have made 47 open-market trades across 2 companies since 2007, most recently 2026-05-22.
CIK 0001401612
47 open-market purchases totalling $1.8M since 2007, never a sale. Across 46 scored buys the stock is up 0.5% at ninety days, and 1.8 points behind the S&P over the same stretch.
46 scored purchases · one row per filing · discretionary only
| Ticker | Shares | Value |
|---|---|---|
| GRF | 220,032 | $2.2M |
| GRP | 32,215 | — |
| Total | $2.2M |
Shares reported on the most recent Form 4, priced at the 2026-05-27 close. 1 holding could not be priced and is excluded from the total.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 39% | 72% | 76% |
| Avg Move | -2.2% | +0.1% | +0.5% |
| Alpha | -0.4% | -0.0% | -1.8% |
| Scored | 46 | 46 | 46 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| GRF | BUY | 2026-05-22 | 2026-05-27 | $10.00 | $100K | +0.0% | +4.2% | +5.1% |
| GRF | BUY | 2025-10-15 | 2025-10-17 | $10.59 | $104K | -8.7% | -7.0% | -7.8% |
| GRF | BUY | 2025-04-30 | 2025-05-02 | $9.71 | $54K | +3.6% | +3.6% | +4.4% |
| GRF | BUY | 2025-04-09 | 2025-04-11 | $9.50 | $49K | +0.0% | -0.1% | +4.4% |
| GRF | BUY | 2024-10-01 | 2024-10-03 | $9.75 | $40K | +1.9% | +1.7% | +1.0% |
| GRF | BUY | 2024-09-06 | 2024-09-10 | $9.62 | $15K | -1.3% | -1.4% | -1.7% |
| GRF | BUY | 2024-02-22 | 2024-02-23 | $9.19 | $47K | -0.9% | -0.3% | +0.7% |
| GRF | BUY | 2023-08-28 | 2023-08-30 | $8.87 | $124K | -1.2% | -4.7% | -7.7% |
| GRF | BUY | 2023-05-10 | 2023-05-12 | $8.50 | $42K | -1.7% | +0.0% | +2.7% |
| GRF | BUY | 2023-02-23 | 2023-02-24 | $8.33 | $30K | +0.1% | -1.7% | +1.9% |
| GRF | BUY | 2023-01-17 | 2023-01-19 | $8.65 | $43K | -0.5% | -3.8% | -5.1% |
| GRF | BUY | 2022-09-08 | 2022-09-09 | $8.13 | $46K | -3.2% | +7.2% | +5.5% |
| GRF | BUY | 2022-08-02 | 2022-08-03 | $8.59 | $52K | +3.2% | -1.3% | +6.6% |
| GRF | BUY | 2022-03-10 | 2022-03-14 | $9.30 | $48K | +3.4% | +4.4% | -1.7% |
| GRF | BUY | 2021-11-03 | 2021-11-05 | $9.64 | $49K | +3.6% | -13.3% | +1.2% |
| GRF | BUY | 2021-08-16 | 2021-08-18 | $9.23 | $46K | +0.8% | +1.0% | +8.7% |
| GRF | BUY | 2021-04-30 | 2021-05-04 | $8.72 | $44K | +2.8% | +5.2% | +4.0% |
| GRF | BUY | 2021-01-20 | 2021-01-22 | $8.01 | $40K | -0.5% | +0.8% | +9.4% |
| GRF | BUY | 2020-07-27 | 2020-07-28 | $6.85 | $27K | +2.6% | +2.3% | +1.8% |
| GRF | BUY | 2020-05-21 | 2020-05-26 | $6.69 | $110K | +1.1% | -2.0% | +5.5% |
| GRF | BUY | 2020-02-28 | 2020-03-03 | $7.03 | $18K | -13.2% | -17.3% | -6.3% |
| GRF | BUY | 2020-01-29 | 2020-01-30 | $7.84 | $10K | +1.0% | -8.9% | -14.7% |
| GRF | BUY | 2019-09-13 | 2019-09-16 | $7.96 | $58K | -1.6% | +1.9% | -3.5% |
| GRF | BUY | 2019-08-13 | 2019-08-14 | $7.82 | $24K | +1.2% | +3.2% | +6.7% |
| GRF | BUY | 2019-08-05 | 2019-08-07 | $7.75 | $10K | +0.7% | +4.8% | +2.1% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.