Johanna Roberts Insider Trading Activity
Johanna Roberts has been net-selling over the last 12 months with 0 purchases and 38 sales across 1 company.
PEN is the most-traded position with 38 trades. The largest single transaction was a sale of PEN for $540K on Nov 25, 2025.
Performance Scorecard
Forward stock performance after each transaction by Johanna Roberts. 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 | — | -0.8% | 53% | 55 |
| 90 days | — | -14.0% | 9% | 55 |
| 120 days | — | -16.1% | 31% | 55 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersPEN · Penumbra Inc
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Showing the 50 most recent of 55 disclosed trades.
| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | Δ OWNED | ROLE | FILING |
|---|---|---|---|---|---|---|---|---|
Dec 5, 2025 | PEN | Sell | 300 | $300.13 | $90K | −0.5% | VP | |
Dec 1, 2025 | PEN | Sell | 94 | $292.09 | $27K | −0.1% | VP | |
Dec 1, 2025 | PEN | Sell | 39 | $293.27 | $11K | −0.1% | VP | |
Dec 1, 2025 | PEN | Sell | 155 | $294.52 | $46K | −0.2% | VP | |
Dec 1, 2025 | PEN | Sell | 144 | $295.38 | $43K | −0.2% | VP | |
Dec 1, 2025 | PEN | Sell | 80 | $296.27 | $24K | −0.1% | VP | |
Dec 1, 2025 | PEN | Sell | 78 | $297.50 | $23K | −0.1% | VP | |
Dec 1, 2025 | PEN | Sell | 10 | $298.02 | $3K | −0.0% | VP | |
Nov 25, 2025 | PEN | Sell | 1,800 | $300.06 | $540K | −2.7% | VP | |
Nov 10, 2025 | PEN | Sell | 11 | $263.58 | $3K | −0.0% | VP | |
Nov 10, 2025 | PEN | Sell | 13 | $264.89 | $3K | −0.0% | VP | |
Nov 10, 2025 | PEN | Sell | 168 | $265.93 | $45K | −0.3% | VP | |
Nov 10, 2025 | PEN | Sell | 211 | $266.72 | $56K | −0.3% | VP | |
Nov 10, 2025 | PEN | Sell | 85 | $267.56 | $23K | −0.1% | VP | |
Nov 10, 2025 | PEN | Sell | 76 | $269.01 | $20K | −0.1% | VP | |
Nov 10, 2025 | PEN | Sell | 36 | $269.56 | $10K | −0.1% | VP | |
Oct 1, 2025 | PEN | Sell | 24 | $243.61 | $6K | −0.0% | VP | |
Oct 1, 2025 | PEN | Sell | 32 | $244.93 | $8K | −0.0% | VP | |
Oct 1, 2025 | PEN | Sell | 35 | $245.68 | $9K | −0.1% | VP | |
Oct 1, 2025 | PEN | Sell | 125 | $247.79 | $31K | −0.2% | VP | |
Oct 1, 2025 | PEN | Sell | 23 | $248.67 | $6K | −0.0% | VP | |
Oct 1, 2025 | PEN | Sell | 14 | $249.71 | $3K | −0.0% | VP | |
Oct 1, 2025 | PEN | Sell | 66 | $250.84 | $17K | −0.1% | VP | |
Oct 1, 2025 | PEN | Sell | 144 | $251.81 | $36K | −0.2% | VP | |
Oct 1, 2025 | PEN | Sell | 41 | $252.36 | $10K | −0.1% | VP | |
Oct 1, 2025 | PEN | Sell | 20 | $254.05 | $5K | −0.0% | VP | |
Oct 1, 2025 | PEN | Sell | 36 | $254.96 | $9K | −0.1% | VP | |
Oct 1, 2025 | PEN | Sell | 5 | $256.63 | $1K | −0.0% | VP | |
Sep 2, 2025 | PEN | Sell | 222 | $269.20 | $60K | −0.3% | VP | |
Sep 2, 2025 | PEN | Sell | 152 | $270.19 | $41K | −0.2% | VP | |
Sep 2, 2025 | PEN | Sell | 61 | $271.22 | $17K | −0.1% | VP | |
Sep 2, 2025 | PEN | Sell | 105 | $272.23 | $29K | −0.2% | VP | |
Sep 2, 2025 | PEN | Sell | 60 | $273.12 | $16K | −0.1% | VP | |
Aug 11, 2025 | PEN | Sell | 18 | $237.10 | $4K | −0.0% | VP | |
Aug 11, 2025 | PEN | Sell | 247 | $238.47 | $59K | −0.4% | VP | |
Aug 11, 2025 | PEN | Sell | 295 | $239.27 | $71K | −0.4% | VP | |
Aug 11, 2025 | PEN | Sell | 39 | $240.20 | $9K | −0.1% | VP | |
Aug 11, 2025 | PEN | Sell | 1 | $240.91 | $240.91 | −0.0% | VP | |
Jul 1, 2025 | PEN | Sell | 8 | $247.61 | $2K | −0.0% | VP | |
Jul 1, 2025 | PEN | Sell | 2 | $249.27 | $498.54 | −0.0% | VP | |
Jul 1, 2025 | PEN | Sell | 7 | $249.91 | $2K | −0.0% | VP | |
Jul 1, 2025 | PEN | Sell | 81 | $251.16 | $20K | −0.1% | VP | |
Jul 1, 2025 | PEN | Sell | 270 | $251.84 | $68K | −0.4% | VP | |
Jul 1, 2025 | PEN | Sell | 46 | $252.87 | $12K | −0.1% | VP | |
Jul 1, 2025 | PEN | Sell | 31 | $253.84 | $8K | −0.0% | VP | |
Jul 1, 2025 | PEN | Sell | 93 | $254.80 | $24K | −0.1% | VP | |
Jul 1, 2025 | PEN | Sell | 62 | $255.72 | $16K | −0.1% | VP | |
Jun 2, 2025 | PEN | Sell | 54 | $256.06 | $14K | −0.1% | VP | |
Jun 2, 2025 | PEN | Sell | 163 | $257.18 | $42K | −0.2% | VP | |
Jun 2, 2025 | PEN | Sell | 172 | $258.06 | $44K | −0.3% | VP |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| PEN | Penumbra Inc | 55 | $1.7M |
Other insiders at Penumbra Inc
4 other tracked filers at PEN.