| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Director
1 company
David Brian Miller is Director at ONTO. David Brian Miller's net worth is not public. Form 4 filings only show shares in the companies where this person is an insider; those holdings are worth an estimated $2.2M at current prices.
Our model assigns David Brian Miller a below-average insider score of 36/100, based on 3 past trades. Over a 12-month horizon, 33.3% of those trades were profitable, with an average 12-month return of -25.8%.
The ONTO filings lean toward selling, a net 15,300 shares.
David Brian Miller has 13 Form 4 filings on record from October 2019 to September 2026, all as Director at Onto Innovation (ONTO), 2019–2026.
The 15 reported transactions were 9 stock awards, 5 open-market sales and 1 disposition back to the company.
Counted by filing, the open-market trades come to no purchases and 4 sales worth about $2.1M.
The largest open-market sale was 2,000 shares of ONTO at an average $300.00 on September 29, 2026, about $600K.
1 of the 3 sales since April 2023 was made under a Rule 10b5-1 trading plan; the other 2 were not.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 29, 2026 | ONTO Onto Innovation Inc. | Director | Sell10b5-1 | 2,000 | $300.00 | $600,000.00 | -15.8% | - | - | |
| Feb 13, 2024 | ONTO Onto Innovation Inc. | Director | Sell | 2,800 | $170.49 | $477,372.00 | -23.7% | +31.6% | +0.1% | |
| May 23, 2023 | ONTO Onto Innovation Inc. | Director | Sell | 5,000 | $99.69 | $498,453.45 | -29.7% | +15.2% | +131.0% | |
| Dec 7, 2021 | ONTO Onto Innovation Inc. | Director | Sell | 5,500 | $97.41 | $535,755.00 | -30.5% | -24.9% | -22.9% |