InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (3 ops.)
Insider track record
Board DirectorDisclosed buys
0
Disclosed sells
3
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Browse the detailed record of transactions filed by Brown Michael S, Director. Director active across 2 companies, notably Regeneron Pharmaceuticals, INC.. Aggregated, 21 filings have been logged. Split: 0 buy · 3 sells. Total volume traded: €3.3m. Activity tracked since 14 June 2021. The latest transaction was disclosed on 2 January 2026 (Attribution). Regulator: SEC (Form 4). All data is free.
Companies and markets linked to Brown Michael S
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations21 total
155 shares0Common StockSEC:0001174475-26-000002:0
166 shares0Common StockSEC:0001968202-25-000003:0
1,535 shares@ US$625.605.4% of flowCommon StockSEC:0001968202-24-000102:0
1,172 shares@ US$625.604.1% of flowCommon StockSEC:0001104659-24-066045:0
135 shares0Common StockSEC:0001968202-24-000022:0
2,049 shares@ US$482.685.4% of flowCommon StockSEC:0001883850-23-000109:0
3,070 shares@ US$520.018.8% of flowCommon StockSEC:0001968202-23-000009:0
3,071 shares@ US$520.019.0% of flowCommon StockSEC:0001883850-23-000045:0
1 shares@ US$520.010.0% of flowCommon StockSEC:0001883850-23-000027:0
3,070 shares@ US$747.1413.2% of flowCommon StockSEC:0001883850-23-000025:1
3,070 shares@ US$520.019.2% of flowCommon StockSEC:0001883850-23-000025:0
165 shares0Common StockSEC:0001883850-23-000019:0
2,431 shares@ US$374.125.5% of flowCommon StockSEC:0001883850-22-000094:0
1,522 shares@ US$374.123.8% of flowCommon StockSEC:0001708138-22-000030:0
500 shares@ US$608.682.0% of flowCommon StockSEC:0001708138-22-000017:0
191 shares0Common StockSEC:0001708138-22-000005:0
2,479 shares@ US$380.955.9% of flowCommon StockSEC:0001708138-21-000082:0
1,687 shares@ US$612.386.5% of flowCommon StockSEC:0001237899-21-000012:0
2,084 shares@ US$371.404.8% of flowCommon StockSEC:0001708138-21-000028:0
1,700 shares@ US$371.403.8% of flowCommon StockSEC:0001708138-21-000023:0
1,000 sharesCommon StockSEC:0001237899-16-000075:0
21 of 21 declarations
About Brown Michael S
BROWN MICHAEL S is Administrateur at Regeneron Pharmaceuticals, INC. and REGENERON PHARMACEUTICALS INC, with 21 filings in total. In the sampled recent filings, they cover the period from 2016-01-06 to 2026-01-06, with 0 in purchases and 3328602 in sales, and the most frequent transaction nature is Levée d'options.
