Joseph H. IV Griffith
CIK 1431531 · Chief Financial Officer · last filed 2026-05-29
Joseph H. IV Griffith is a Chief Financial Officer who has filed 40 SEC Form 4 insider transactions across 3 companies since 2008. The most recent filing shows the insider sold $62.7K of MASS on May 29, 2026. Across all open-market trades the lifetime net is −$4.3M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $1.1M across reported positions.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$1.10M
3
40
-$4.33M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| MASS | Chief Financial Officer | 132,956 | $8.27 | $1.10M | -$4.33M | 25 | 2026-05-29 |
| CALIPER LIFE SCIENCES INC (CALP) Delisted | VP, Finance & Controller | 0 | — | — | $0 | 1 | 2011-11-07 |
| CALIPER LIFE SCIENCES INC (CALPW) Delisted | VP, Finance & Controller | 42,256 | — | — | $0 | 14 | 2011-07-05 |
Recent Filings
40 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-05-29 | MASS | Sell (S) | −6,940 | -$62.7K | EDGAR |
| 2026-02-03 | MASS | Mixed | +46,966 | -$143.2K | EDGAR |
| 2025-10-06 | MASS | Sell (S) | −5,000 | -$45.2K | EDGAR |
| 2025-09-23 | MASS | Sell (S) | −5,000 | -$35.3K | EDGAR |
| 2025-06-06 | MASS | Sell (S) | −6,940 | -$49.1K | EDGAR |
| 2025-03-05 | MASS | Grant (A) | — | $0 | EDGAR |
| 2025-02-04 | MASS | Mixed | +16,433 | -$24.0K | EDGAR |
| 2024-03-27 | MASS | Exer (M) | +8,437 | $13.3K | EDGAR |
| 2024-03-05 | MASS | Grant (A) | — | $0 | EDGAR |
| 2024-02-02 | MASS | Mixed | — | -$108.8K | EDGAR |