William J.g. Griffith is Director & 10% Owner at PROCORE TECHNOLOGIES, INC. (PCOR). They have made 28 open-market trades across 8 companies since 2016, most recently 2026-07-13.
CIK 0001688124
13 open-market purchases totalling $448.9M since 2016, against 15 sales. Across 13 scored buys the stock is up 12.5% at ninety days, and 8.6 points ahead of the S&P over the same stretch.
13 scored purchases · one row per filing · discretionary only
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 54% | 62% | 69% |
| Avg Move | -0.1% | +7.7% | +12.5% |
| Alpha | -1.5% | +5.5% | +8.6% |
| Scored | 13 | 13 | 13 |
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 13% | 33% | 20% |
| Avg Move | +6.1% | +7.0% | +26.2% |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| NTSK | BUY | 2026-07-10 | 2026-07-14 | $12.29 | $3.8M | -20.4% | +11.7% | +42.6% |
| NTSK | BUY | 2026-07-08 | 2026-07-10 | $11.82 | $7.2M | -6.7% | +22.3% | +53.0% |
| TTAN | SELL | 2026-06-22 | 2026-06-24 | $63.43 | $6.0M | +29.8% | +14.9% | +0.3% |
| PCOR | SELL | 2025-12-15 | 2025-12-17 | $72.30 | $30.0M | -0.3% | -7.8% | -20.3% |
| NTSK | BUY | 2025-09-19 | 2025-09-22 | $19.00 | $38.0M | -15.6% | -18.8% | -26.6% |
| PCOR | SELL | 2025-08-13 | 2025-08-15 | $64.96 | $5.9M | +3.9% | +8.8% | +15.5% |
| TTAN | SELL | 2025-07-09 | 2025-07-11 | $109.99 | $20.0M | +11.3% | -6.4% | -3.6% |
| PCOR | SELL | 2025-06-13 | 2025-06-17 | $64.76 | $40.0M | +1.0% | +8.1% | +4.8% |
| PCOR | SELL | 2025-02-19 | 2025-02-21 | $87.02 | $204K | -7.3% | -12.7% | -17.9% |
| PCOR | SELL | 2024-11-12 | 2024-11-14 | $72.83 | $50.0M | +12.6% | +9.0% | +4.3% |
| PCOR | SELL | 2024-11-04 | 2024-11-05 | $66.54 | $3.8M | +1.2% | +23.7% | +14.2% |
| PCOR | SELL | 2023-12-13 | 2023-12-15 | $58.51 | $2.9M | +6.9% | +4.3% | +20.5% |
| PCOR | SELL | 2023-12-11 | 2023-12-13 | $59.57 | $3.6M | +12.5% | +11.7% | +28.2% |
| PCOR | SELL | 2023-12-06 | 2023-12-08 | $60.98 | $4.4M | +14.1% | +15.8% | +34.9% |
| GTLB | SELL | 2023-09-20 | 2023-09-22 | $48.37 | $8.6M | +0.7% | -0.1% | +42.3% |
| PCOR | BUY | 2022-06-14 | 2022-06-16 | $42.81 | $14.7M | +3.4% | -1.2% | +24.0% |
| PCOR | BUY | 2022-06-10 | 2022-06-14 | $42.16 | $49.0M | +12.6% | -1.7% | +31.6% |
| PCOR | BUY | 2022-03-14 | 2022-03-16 | $50.88 | $119.5M | +1.2% | -8.6% | -26.1% |
| GTLB | BUY | 2021-12-10 | 2022-12-29 | $74.73 | $57.9M | -2.8% | +8.8% | -24.9% |
| GTLB | BUY | 2021-12-10 | 2023-02-02 | $75.01 | $8.0M | -12.7% | -5.5% | -47.9% |
| PCOR | BUY | 2021-05-24 | 2021-05-26 | $67.00 | $16.8M | +8.5% | +16.0% | +7.4% |
| SNOW | BUY | 2021-05-06 | 2021-05-10 | $196.88 | $39.0M | +21.6% | +30.2% | +47.6% |
| SNOW | BUY | 2021-03-05 | 2021-03-09 | $224.31 | $66.2M | -3.7% | +1.9% | +9.3% |
| FSLY | SELL | 2019-11-13 | 2020-03-19 | $21.58 | $36.7M | +3.2% | +30.4% | +216.7% |
| PS | BUY | 2018-05-21 | 2018-05-23 | $15.00 | $15.0M | +7.5% | +22.1% | +50.0% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.
| GTLB | 657,578 | $34.7M |
| NTSK | 916,690 | $17.4M |
| CXM | 2,747,682 | $16.0M |
| BL | 229,245 | $6.8M |
| Total | $1.2B |
Shares reported on the most recent Form 4, priced at the 2026-07-14 close.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
| Scored | 15 | 15 | 15 |