David Michael Johnson bought $98k of AURA
director at Aura Biosciences, Inc.. 20,000 shares at an average of $4.90, traded May 16, 2025, filed May 20, 2025.
Score components
- +15RoleDirector
- +10Trade size$98k at market
- +3Relative to holdingsHoldings up 14%
- +8Price context49% below the 52-week high
- +8Cluster2 insiders buying within 14 days
- 0Repeat buyingFirst buy in 90 days
- 0Track recordToo few past buys to judge (0 with prices)
What happened after comparable buys
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 +2.9%, 3m +7.9%, 6m -8.8%.
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 0000950170-25-075412, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| May 16, 2025 | POpen-market purchase Common Stock | +20,000 | $4.90 | $98k | 166,167 | May 20, 2025 |
| May 16, 2025 | POpen-market purchase Common Stock Warrants (right to buy)derivative | +5,000 | - | - | 5,000 | May 20, 2025 |
Related signals
Other insiders at Aura Biosciences, Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 24Weak | AURAsell Aura Biosciences, Inc. | Anthony S Gibney See Remarks | $82k 12,824 shares | -5% | |
| 57Moderate | AURAsell Aura Biosciences, Inc. | Matrix Capital Management Company, LP owner | $39M 6,922,870 shares | -100% | |
| 24Weak | AURAsell Aura Biosciences, Inc. | Conor Kilroy See Remarks | $82k 11,738 shares | -5% | |
| 48Moderate | Aura Biosciences, Inc. | Pinos Elisabet de los See Remarks | $241k 47,648 shares | -10% | |
| 41Moderate | Aura Biosciences, Inc. | Amy Elazzouzi Senior Vice President, Finance | $43k 8,549 shares | -10% | |
| 40Moderate | Aura Biosciences, Inc. | Janet Jill Hopkins Chief Medical Officer | $103k 20,401 shares | -8% | |
| 39Weak | Aura Biosciences, Inc. | Mark Plavsic Chief Technology Officer | $80k 15,890 shares | -8% | |
| 37Weak | Aura Biosciences, Inc. | Conor Kilroy See Remarks | $61k 12,079 shares | -7% | |
| 32Weak | Aura Biosciences, Inc. | Pinos Elisabet de los See Remarks | $82k 16,928 shares | -4% | |
| 23Weak | Aura Biosciences, Inc. | Amy Elazzouzi Senior Vice President, Finance | $7,684 1,581 shares | -2% |
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.