David Y Norton
CIK 1529193 · last filed 2026-05-29
David Y Norton is a corporate insider who has filed 39 SEC Form 4 insider transactions across 5 companies since 2011. The most recent filing, for CMPS, was dated May 29, 2026. Across all open-market trades the lifetime net is −$11.1K, making them a net seller over the disclosed history. Current disclosed insider exposure totals $252.0K 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.
$252.0K
5
39
-$11.1K
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| CMPS | Director | 20,356 | $12.08 | $245.9K | -$42.2K | 6 | 2026-05-29 |
| Keenova Therapeutics plc (MNK) Delisted | Director | 0 | $0.34 | $0 | $31.2K | 10 | 2021-08-09 |
| VIVUS INC (VVUS) Delisted | Director | 6,712 | — | — | $0 | 17 | 2020-02-24 |
| INCR | Director | 6,988 | $0.87 | $6.1K | $0 | 4 | 2017-05-24 |
| SAVIENT PHARMACEUTICALS INC (SVNT) Delisted | Director | 69,284 | — | — | $0 | 2 | 2012-07-20 |
Recent Filings
39 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-05-29 | CMPS | Grant (A) | — | $0 | EDGAR |
| 2025-06-13 | CMPS | Grant (A) | — | $0 | EDGAR |
| 2024-05-13 | CMPS | Grant (A) | — | $0 | EDGAR |
| 2023-06-06 | CMPS | Grant (A) | — | $0 | EDGAR |
| 2022-06-17 | CMPS | Grant (A) | — | $0 | EDGAR |
| 2022-03-31 | CMPS | Sell (S) | −3,384 | -$42.2K | EDGAR |
| 2021-08-09 | Keenova Therapeutics plc (MNK) Delisted | Sell (S) | −5,080 | -$1.3K | EDGAR |
| 2021-01-07 | Keenova Therapeutics plc (MNK) Delisted | — | — | $0 | EDGAR |
| 2020-12-18 | Keenova Therapeutics plc (MNK) Delisted | Sell (S) | −21,807 | -$9.5K | EDGAR |
| 2020-12-18 | Keenova Therapeutics plc (MNK) Delisted | Sell (S) | −5,080 | -$2.1K | EDGAR |