Joseph R Massaro bought $100k of AVTR
director at Avantor, Inc.. 8,100 shares at an average of $12.30, traded Apr 29, 2025, filed Apr 29, 2025.
Score components
- +15RoleDirector
- +10Trade size$100k at market
- +6Relative to holdingsHoldings up 30%
- +18Price context2% above the 52-week low; 54% below the 52-week high
- +15Cluster4 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.
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 0001722482-25-000095, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Apr 29, 2025 | POpen-market purchase Common Stock | +8,100 | $12.30 | $100k | 35,038 | Apr 29, 2025 |
Related signals
Other insiders at Avantor, Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 64Notable | AVTRbuy Avantor, Inc. | Sanjeev K Mehra director | $1.0M 125,000 shares | +36% | |
| 66Notable | Avantor, Inc. | Gregory T Lucier director | $458k 50,000 shares | - | |
| 71Notable | Avantor, Inc. | Gregory L Summe director | $940k 100,000 shares | +33% | |
| 66Notable | AVTRbuy Avantor, Inc. | Sanjeev K Mehra director | $3.9M 350,000 shares | - | |
| 74Notable | AVTRbuy Avantor, Inc. | Emmanuel Ligner President and CEO | $993k 87,500 shares | +45% | |
| 73Notable | AVTRbuy Avantor, Inc. | Gregory L Summe director | $1.1M 100,000 shares | +50% | |
| 63Notable | AVTRbuy Avantor, Inc. | Gregory L Summe director | $1.3M 100,000 shares | +100% | |
| 1Weak | Avantor, Inc. | Steven W Eck SVP & Chief Accounting Officer | $40k 3,476 shares | -6% | |
| 60Notable | AVTRbuy Avantor, Inc. | Gregory L Summe director | $375k 30,000 shares | +43% | |
| 57Moderate | AVTRbuy Avantor, Inc. | Gregory L Summe director | $253k 20,000 shares | +40% |
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.