Griffith William J.G. Insider Trading Activity
Griffith William J.G. has been net-buying over the last 12 months with 6 purchases and 5 sales across 2 different companies.
NTSK is the most-traded position with 6 trades. The largest single transaction was a purchase of NTSK for $16.7M on Sep 19, 2025.
Performance Scorecard
Forward stock performance after each transaction by Griffith William J.G.. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.
| PERIOD | AVG BUY RETURN | AVG SELL AVOIDED | SUCCESS RATE | TRADES |
|---|---|---|---|---|
| 30 days | +17.4% | -2.7% | 52% | 21 |
| 90 days | -0.5% | -3.3% | 33% | 21 |
| 120 days | -21.1% | -0.2% | 33% | 21 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
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| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | Δ OWNED | ROLE | FILING |
|---|---|---|---|---|---|---|---|---|
Jul 13, 2026 | NTSK | Buy | 64,771 | $12.42 | $805K | +7.6% | Director | |
Jul 10, 2026 | NTSK | Buy | 241,628 | $12.26 | $3.0M | +39.6% | Director | |
Dec 15, 2025 | PCOR | Sell | 207,474 | $72.30 | $15.0M | −6.0% | Director | |
Sep 19, 2025 | NTSK | Buy | 595,778 | $19.00 | $11.3M | — | Director | |
Sep 19, 2025 | NTSK | Buy | 877,906 | $19.00 | $16.7M | — | Director | |
Sep 19, 2025 | NTSK | Buy | 231,097 | $19.00 | $4.4M | +2.7% | Director | |
Sep 19, 2025 | NTSK | Buy | 295,219 | $19.00 | $5.6M | +2.7% | Director | |
Aug 13, 2025 | PCOR | Sell | 384 | $65.41 | $25K | −0.0% | Director | |
Aug 13, 2025 | PCOR | Sell | 644 | $65.41 | $42K | −0.0% | Director | |
Aug 13, 2025 | PCOR | Sell | 17,001 | $64.95 | $1.1M | −0.9% | Director | |
Aug 13, 2025 | PCOR | Sell | 28,161 | $64.95 | $1.8M | −0.9% | Director | |
Jul 9, 2025 | TTAN | Sell | 24,954 | $109.85 | $2.7M | −4.8% | Director | |
Jul 9, 2025 | TTAN | Sell | 33,454 | $109.85 | $3.7M | −4.8% | Director | |
Jul 9, 2025 | TTAN | Sell | 13,808 | $110.26 | $1.5M | −2.8% | Director | |
Jul 9, 2025 | TTAN | Sell | 18,531 | $110.26 | $2.0M | −2.8% | Director | |
Jul 9, 2025 | TTAN | Sell | 73 | $108.00 | $8K | −0.0% | Director | |
Jul 9, 2025 | TTAN | Sell | 97 | $108.00 | $10K | −0.0% | Director | |
Jun 13, 2025 | PCOR | Sell | 26,256 | $65.52 | $1.7M | −1.4% | Director | |
Jun 13, 2025 | PCOR | Sell | 43,633 | $65.52 | $2.9M | −1.4% | Director | |
Jun 13, 2025 | PCOR | Sell | 2,653 | $65.98 | $175K | −0.1% | Director | |
Jun 13, 2025 | PCOR | Sell | 4,405 | $65.98 | $291K | −0.1% | Director | |
Jun 13, 2025 | PCOR | Sell | 87,456 | $64.49 | $5.6M | −4.4% | Director | |
Jun 13, 2025 | PCOR | Sell | 144,765 | $64.49 | $9.3M | −4.3% | Director |
Top Companies Traded
Other insiders at PROCORE TECHNOLOGIES, INC.
5 other tracked filers at PCOR.