MICHAEL S BROWN
CIK 1174475 · last filed 2026-01-06
"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.
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Disclosed Exposure
$4.81M
Companies
2
Total Filings
86
Lifetime Open-Market Net
-$73.07M
Holdings By Company
Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Recent Filings · Page 5 of 9
86 filingsForm 4 transactions across all companies, newest first.
| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2015-09-22 | REGN | Mixed | — | -$1.48M | EDGAR |
| 2015-05-18 | REGN | Mixed | — | -$2.19M | EDGAR |
| 2015-02-23 | REGN | Mixed | — | -$365.6K | EDGAR |
| 2015-01-05 | REGN | Mixed | −2,000 | $0 | EDGAR |
| 2014-10-24 | REGN | Mixed | — | -$1.71M | EDGAR |
| 2014-08-18 | REGN | Mixed | −2,700 | -$947.3K | EDGAR |
| 2014-07-31 | REGN | Mixed | +5,687 | $0 | EDGAR |
| 2014-03-18 | REGN | Mixed | — | -$601.7K | EDGAR |
| 2014-03-07 | REGN | Conv (C) | +2,700 | $0 | EDGAR |
| 2014-02-27 | REGN | Mixed | — | -$277.9K | EDGAR |
Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.