Arani Bose sold $4.6M of PEN
director at Penumbra Inc. 15,000 shares at an average of $308.82, traded Dec 11, 2025, filed Dec 15, 2025.
Score components
- +15RoleDirector
- +25Trade size$4.6M at market
- 0Share of holdings soldSold 5.5% of holdings
- +15Cluster3 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 +1.4%, 3m +8.8%, 6m +2.9%.
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 0001651318-25-000009, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Dec 11, 2025 | SOpen-market sale Common Stockindirect: By LLC10b5-1 | -2,030 | $305.19 | $620k | 271,432 | Dec 15, 2025 |
| Dec 11, 2025 | SOpen-market sale Common Stockindirect: By LLC10b5-1 | -4,946 | $306.60 | $1.5M | 266,486 | Dec 15, 2025 |
| Dec 11, 2025 | SOpen-market sale Common Stockindirect: By LLC10b5-1 | -520 | $307.10 | $160k | 265,966 | Dec 15, 2025 |
| Dec 11, 2025 | SOpen-market sale Common Stockindirect: By LLC10b5-1 | -4 | $308.00 | $1,232 | 265,962 | Dec 15, 2025 |
| Dec 11, 2025 | SOpen-market sale Common Stockindirect: By LLC10b5-1 | -2,082 | $310.50 | $646k | 263,880 | Dec 15, 2025 |
| Dec 11, 2025 | SOpen-market sale Common Stockindirect: By LLC10b5-1 | -3,523 | $311.47 | $1.1M | 260,357 | Dec 15, 2025 |
| Dec 11, 2025 | SOpen-market sale Common Stockindirect: By LLC10b5-1 | -1,895 | $312.20 | $592k | 258,462 | Dec 15, 2025 |
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% | |
| 10Weak | Penumbra Inc | Harpreet Grewal director | $58k 186 shares | -2% | |
| 30Weak | Penumbra Inc | Thomas Wilder director | $58k 186 shares | -100% | |
| 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.