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Griffith Joseph H. IV
InsiderCIK 0001431531
Total Volume
$805.0K
6 filings
Purchases
$0
0 buy txns
Sales
$477.1K
7 sell txns
Net Activity
-$477.1K
net sold
Largest Purchase
No open-market purchases in the recent filings.
Profile
- Filings
- 6
- Buy transactions
- 0
- Sell transactions
- 7
- Companies
- 1
- Active
- 2025–2026
Griffith Joseph H. IV accounts for 6 disclosed filings worth $805.0K, all concentrated in 908 Devices Inc. (MASS), active 2025–2026. The record is heavily weighted toward selling, with $0 in purchases against $477.1K in sales. Data is sourced from official SEC Form 3, 4, and 5 filings.
Associated Companies
Trading History
6 loaded
| Oct 8 | MASS 908 Devices Inc. | Griffith Joseph H. IV | Insider | Sell | $65.2K |
| Aug 27 | MASS 908 Devices Inc. | Griffith Joseph H. IV | Insider | Sell | $125.5K |
| May 29 | MASS 908 Devices Inc. | Griffith Joseph H. IV | Insider | Sell | $62.7K |
| Feb 3 | MASS 908 Devices Inc. | Griffith Joseph H. IV | Insider | Sell | $143.2K |
| Oct 6 | MASS 908 Devices Inc. | Griffith Joseph H. IV | Chief Financial Officer | Sell | $45.2K |
| Sep 23 | MASS 908 Devices Inc. | Griffith Joseph H. IV | Chief Financial Officer | Sell | $35.3K |
6 filings