JAMI K NACHTSHEIM
CIK 1223017 · last filed 2026-06-02
JAMI K NACHTSHEIM is a corporate insider who has filed 54 SEC Form 4 insider transactions across 7 companies since 2007. The most recent filing, for CERS, was dated Jun 2, 2026. Across all open-market trades the lifetime net is −$1.2M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $3.5M 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.
$3.52M
7
54
-$1.25M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| CERS | Director | 268,362 | $2.56 | $687.0K | $13.6K | 14 | 2026-06-02 |
| ISRG | Director | 6,902 | $411.06 | $2.84M | -$1.26M | 14 | 2026-04-30 |
| TBIO | Director | 67,382 | $0.00 | $7 | $0 | 1 | 2024-05-03 |
| Telesis Bio Inc. (DNAY) Delisted | Director | 20,630 | $1.30 | $26.8K | $0 | 2 | 2022-06-13 |
| FEI CO (FEIC) Delisted | Director | 0 | — | — | $0 | 7 | 2016-09-21 |
| AFFYMETRIX INC (AFFX) Delisted | Director | 0 | — | — | $0 | 7 | 2016-04-01 |
| SOUTHWALL TECHNOLOGIES INC /DE/ (SWTX) Delisted | Director | 0 | $46.99 | $0 | $0 | 7 | 2011-11-25 |
Recent Filings
54 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-06-02 | CERS | Grant (A) | +60,000 | $0 | EDGAR |
| 2026-04-30 | ISRG | Mixed | +531 | $0 | EDGAR |
| 2025-06-04 | CERS | Grant (A) | +60,000 | $0 | EDGAR |
| 2025-05-01 | ISRG | Mixed | — | -$1.03M | EDGAR |
| 2025-04-25 | ISRG | Exer (M) | +739 | $0 | EDGAR |
| 2024-06-06 | CERS | Grant (A) | +40,000 | $200.0K | EDGAR |
| 2024-05-13 | CERS | Buy (P) | +2,000 | $3.6K | EDGAR |
| 2024-05-03 | TBIO | Grant (A) | +81,049 | $0 | EDGAR |
| 2024-04-26 | ISRG | Mixed | +569 | $0 | EDGAR |
| 2023-06-09 | CERS | Grant (A) | +40,000 | $200.0K | EDGAR |