MICHAEL J. YANG
CIK 1702283 · EVP and CCO · last filed 2026-01-20
MICHAEL J. YANG is an EVP and CCO who has filed 28 SEC Form 4 insider transactions across 4 companies since 2017. The most recent filing, for IONS, was dated Jan 20, 2026. Across all open-market trades the lifetime net is −$7.2M, 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.
$1.08M
4
28
-$7.15M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| IONS | Director | 7,940 | $73.28 | $581.8K | $0 | 8 | 2026-01-20 |
| PCRX | Director | 13,393 | $22.99 | $307.9K | $25.8K | 4 | 2025-06-13 |
| ACAD | EVP and CCO | 9,179 | $21.09 | $193.6K | -$7.18M | 13 | 2021-01-08 |
| AKCEA THERAPEUTICS, INC. (AKCA) Delisted | Director | — | — | — | $0 | 3 | 2020-10-13 |
Recent Filings
28 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-01-20 | IONS | Exer (M) | +1,930 | $0 | EDGAR |
| 2025-07-17 | IONS | Exer (M) | +4,079 | $0 | EDGAR |
| 2025-07-02 | IONS | Grant (A) | — | $0 | EDGAR |
| 2025-06-13 | PCRX | Grant (A) | +6,163 | $0 | EDGAR |
| 2025-01-17 | IONS | Exer (M) | +1,931 | $0 | EDGAR |
| 2024-08-14 | PCRX | Buy (P) | +2,000 | $25.8K | EDGAR |
| 2024-07-03 | IONS | Grant (A) | — | $0 | EDGAR |
| 2024-07-03 | IONS | Grant (A) | — | $0 | EDGAR |
| 2024-06-13 | PCRX | Grant (A) | +5,230 | $0 | EDGAR |
| 2024-01-17 | IONS | Grant (A) | — | $0 | EDGAR |