GEORGE YANCOPOULOS
CIK 1226690 · Bd. Co-Chair, President & CSO · last filed 2026-01-05
"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
$354.56M
Companies
1
Total Filings
59
Lifetime Open-Market Net
-$467.64M
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.
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| REGN | Bd. Co-Chair, President & CSO | 510,460 | $694.59 | $354.56M | -$467.64M | 57 | 2026-01-05 |
Recent Filings · Page 5 of 6
59 filingsInsider activity across all companies, newest first. Form 4 rows are post-trade confirmations (buys, sells, grants, exercises). Notice (144) rows are pre-trade notices of intent to sell restricted or control stock under Rule 144 — they may not all execute. Compare adjacent dates to see which notices became actual sales.
| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2012-12-18 | REGN | Mixed | −266,557 | -$48.47M | EDGAR |
| 2012-06-29 | REGN | Grant (A) | +500,000 | $0 | EDGAR |
| 2012-05-02 | REGN | Sell (S) | −33,165 | -$4.47M | EDGAR |
| 2012-03-27 | REGN | Sell (S) | −33,150 | -$3.99M | EDGAR |
| 2012-02-16 | REGN | Mixed | +66,315 | -$6.19M | EDGAR |
| 2012-01-06 | REGN | Sell (S) | −27,713 | -$1.61M | EDGAR |
| 2011-12-20 | REGN | Grant (A) | — | $0 | EDGAR |
| 2011-12-15 | REGN | Tax (F) | −38,516 | -$1.97M | EDGAR |
| 2011-12-02 | REGN | Mixed | +28,895 | -$4.35M | EDGAR |
| 2010-12-21 | REGN | Grant (A) | +250,000 | $0 | EDGAR |
Form 4 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.
Notice (144 / 144/A): Form 144 is a notice of intent to sell restricted/control stock under Rule 144, filed before the sale; 144/A is an amendment. Many notices are pre-scheduled under Rule 10b5-1 plans. A Form 4 with code S typically follows within a few days when the planned sale executes; missing follow-up Form 4s suggest the notice was cancelled or modified.
Notice (144 / 144/A): Form 144 is a notice of intent to sell restricted/control stock under Rule 144, filed before the sale; 144/A is an amendment. Many notices are pre-scheduled under Rule 10b5-1 plans. A Form 4 with code S typically follows within a few days when the planned sale executes; missing follow-up Form 4s suggest the notice was cancelled or modified.