David Brian Miller
Insider
First SEC filing: Oct. 29, 2019 · Latest: Oct. 29, 2019
Insider at
Insider transactions
0 buys (P)
1 sells (S)
Net: $-600,000
Price change vs the latest weekly close (updated to the current quote in your browser when available), split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 29, 2026 | ONTO | S 10b5-1 | 2,000 | $300.00 | $600,000 | 10,692 Direct | -15.76% | Disposed | -33.8% (price as of ) |
| May 20, 2026 | ONTO | A | 761 | · | · | 12,692 Direct | +6.38% | Acquired | |
| May 21, 2025 | ONTO | A | 2,114 | · | · | 11,931 Direct | +21.53% | Acquired | |
| May 22, 2024 | ONTO | A | 809 | · | · | 9,817 Direct | +8.98% | Acquired | |
| Feb. 13, 2024 | ONTO | S | 2,800 | $170.49 | $477,372 | 9,008 Direct | -23.71% | Disposed | 16.5% (price as of ) |
| May 23, 2023 | ONTO | S | 3,815 | $99.84 | $380,890 | 12,993 Direct | -22.70% | Disposed | 99.0% (price as of ) |
| May 23, 2023 | ONTO | S | 1,185 | $99.21 | $117,564 | 11,808 Direct | -9.12% | Disposed | 100.3% (price as of ) |
| May 9, 2023 | ONTO | A | 2,200 | · | · | 16,808 Direct | +15.06% | Acquired | |
| May 10, 2022 | ONTO | A | 2,100 | · | · | 14,608 Direct | +16.79% | Acquired | |
| Dec. 7, 2021 | ONTO | S | 5,500 | $97.41 | $535,755 | 12,508 Direct | -30.54% | Disposed | 104.0% (price as of ) |
| May 11, 2021 | ONTO | A | 2,500 | · | · | 18,008 Direct | +16.12% | Acquired | |
| Feb. 24, 2021 | ONTO | D | 6,501 | $62.95 | $409,238 | 15,508 Direct | -29.54% | Disposed | 215.6% (price as of ) |
| May 12, 2020 | ONTO | A | 4,800 | · | · | 22,009 Direct | +27.89% | Acquired | |
| Oct. 25, 2019 | ONTO | A | 13,912 | · | · | 13,912 Direct | · | Acquired | |
| Oct. 25, 2019 | ONTO | A | 3,297 | · | · | 17,209 Direct | +23.70% | Acquired |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Oct. 29, 2019 | ONTO | No securities beneficially owned | 0 | Direct |