Griffith Joseph H. IV
Chief Financial Officer
1 company
Insider Signal Score
81
ExcellentTrades Analyzed
22
12M Win Rate
89.5%
Avg 3M Return
+14.6%
Avg 12M Return
+43.7%
Griffith Joseph H. IV is a Chief Financial Officer at MASS. Recent filings cover 0 purchases and 28 sales. Those positions are worth an estimated $930K at current prices.
Our model assigns Griffith Joseph H. IV a strong insider score of 81/100, based on 22 past trades. Over a 12-month horizon, 89.5% of those trades were profitable, with an average 12-month return of +43.7%.
Griffith Joseph H. IV's largest disclosed position is in MASS as Chief Financial Officer, worth about $930K. The recent filings there lean toward selling, a net 184,634 shares.
Holdings by Company
MASSOct 3, 2025
Current Shares92.9K
Value$930.2K
Net Activity-184,634
Bought: 0Sold: 184.6K
Transaction History
Showing 10 filings
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Oct 3, 2025 | MASS 908 Devices Inc. | Chief Financial Officer | Sell | 5,000 | $9.05 | $45,246.81 | -2.6% | -43.9% | - | |
| Sep 19, 2025 | MASS 908 Devices Inc. | Chief Financial Officer | Sell | 5,000 | $7.07 | $35,338.50 | -4.9% | -25.6% | - | |
| Jun 4, 2025 | MASS 908 Devices Inc. | Chief Financial Officer | Sell | 6,940 | $7.08 | $49,135.20 | -6.3% | -13.9% | +27.8% | |
| Feb 3, 2025 | MASS 908 Devices Inc. | Chief Financial Officer | Sale+OE | 10,236 | $2.34 | $23,984.72 | -2.9% | +135.8% | +181.2% | |
| Feb 2, 2024 | MASS 908 Devices Inc. | Chief Financial Officer | Sale+OE | 15,409 | $7.06 | $108,765.48 | -5.5% | -20.8% | -65.1% | |
| Dec 28, 2023 | MASS 908 Devices Inc. | Chief Financial Officer | Sell | 6,000 | $12.08 | $72,480.00 | -7.0% | -44.0% | -81.8% | |
| Dec 19, 2023 | MASS 908 Devices Inc. | Chief Financial Officer | Sell | 5,580 | $9.08 | $50,666.40 | -6.1% | -25.6% | -79.1% | |
| Feb 2, 2023 | MASS 908 Devices Inc. | Chief Financial Officer | Sale+OE | 5,102 | $9.72 | $49,594.10 | -2.7% | -38.6% | -32.8% | |
| Aug 4, 2022 | MASS 908 Devices Inc. | Chief Financial Officer | Sale+OE | 13,333 | $24.39 | $325,131.87 | -6.8% | -40.3% | -74.6% | |
| Jun 27, 2022 | MASS 908 Devices Inc. | Chief Financial Officer | Sale+OE | 18,188 | $19.12 | $347,683.49 | -9.0% | -20.8% | -65.3% |
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