Marcus Gail Boxer Insider Trading Activity
Corporate InsiderDirector · CIK 1702176
Performance Scorecard
Forward stock performance after each transaction by Marcus Gail Boxer. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.
| PERIOD | AVG BUY RETURN | AVG SELL AVOIDED | SUCCESS RATE | TRADES |
|---|---|---|---|---|
| 30 days | — | -4.6% | 57% | 7 |
| 90 days | — | -15.0% | 29% | 7 |
| 120 days | — | -27.9% | 0% | 7 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersNTRA · Natera, Inc.
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| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | Δ OWNED | ROLE | FILING |
|---|---|---|---|---|---|---|---|---|
Nov 3, 2025 | NTRA | Sell | 122 | $198.71 | $24K | −2.1% | Director | |
Aug 1, 2025 | NTRA | Sell | 1,313 | $132.73 | $174K | −15.9% | Director | |
Aug 1, 2025 | NTRA | Sell | 1,183 | $133.66 | $158K | −17.0% | Director | |
Jul 1, 2025 | NTRA | Sell | 1,648 | $167.05 | $275K | −13.3% | Director | |
Jul 1, 2025 | NTRA | Sell | 2,651 | $167.56 | $444K | −24.6% | Director | |
Jun 10, 2025 | NTRA | Sell | 3,400 | $164.33 | $559K | −35.0% | Director | |
Jun 10, 2025 | NTRA | Sell | 600 | $165.04 | $99K | −9.5% | Director |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| NTRA | Natera, Inc. | 7 | $1.7M |
Other insiders at Natera, Inc.
10 other tracked filers at NTRA.
Jonathan Sheena
Director
115
Trades
Solomon Moshkevich
President
61
Trades
Steven Leonard Chapman
CEO
48
Trades
Matthew Rabinowitz
EXECUTIVE CHAIRMAN
45
Trades
Michael Brophy Burkes
CFO
44
Trades
Daniel Rabinowitz
SEC. AND CHIEF LEGAL OFFICER
28
Trades
Fesko John
President
18
Trades
Roelof Botha
Director
11
Trades
Baynes Roy D.
Director
8
Trades
Herm Rosenman
Director
4
Trades