Harpreet Grewal sold $58k of PEN
director at Penumbra Inc. 186 shares at an average of $312.64, traded Jan 6, 2026, filed Jan 8, 2026.
Score components
- +15RoleDirector
- +7Trade size$58k at market
- 0Share of holdings soldSold 2.2% of holdings
- +8Cluster2 insiders selling within 14 days
- -2010b5-1 planPre-scheduled under a 10b5-1 plan
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
This signal so far: 1m +8.1%, 3m +4.4%, 6m +0.8%.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001375889-26-000002, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Jan 6, 2026 | SOpen-market sale Common Stock10b5-1 | -186 | $312.64 | $58k | 8,230 | Jan 8, 2026 |
Related signals
Other insiders at Penumbra Inc and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 1Weak | Penumbra Inc | Harpreet Grewal director | $33k 100 shares | -1% | |
| 30Weak | Penumbra Inc | Maggie Yuen Chief Financial Officer | $832k 2,432 shares | -12% | |
| 30Weak | Penumbra Inc | Thomas Wilder director | $58k 186 shares | -100% | |
| 35Weak | Penumbra Inc | Arani Bose director | $4.6M 15,000 shares | -5% | |
| 19Weak | Penumbra Inc | Johanna Roberts EVP, Gen. Counsel & Secretary | $90k 300 shares | -0% | |
| 15Weak | Penumbra Inc | Harpreet Grewal director | $29k 100 shares | -1% | |
| 22Weak | Penumbra Inc | Johanna Roberts EVP, Gen. Counsel & Secretary | $177k 600 shares | -1% | |
| 35Weak | Penumbra Inc | Arani Bose director | $2.3M 7,500 shares | -3% | |
| 29Weak | Penumbra Inc | Johanna Roberts EVP, Gen. Counsel & Secretary | $540k 1,800 shares | -3% | |
| 35Weak | Penumbra Inc | Arani Bose director | $2.2M 7,500 shares | -3% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.