John W Kuo
Insider
First SEC filing: Jan. 19, 2017 · Latest: Jan. 19, 2017
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 13, 2026 | MIR | A | 7,383 | · | · | 80,119 Direct | +10.15% | Acquired | (price as of 2026-10-02) |
| Dec. 11, 2025 | MIR | G | 4,860 | · | · | 72,736 Direct | -6.26% | Disposed | (price as of 2026-10-02) |
| June 30, 2025 | MIR | A | 1,024 | · | · | 77,596 Direct | +1.34% | Acquired | (price as of 2026-10-02) |
| May 15, 2025 | MIR | A | 7,977 | · | · | 76,572 Direct | +11.63% | Acquired | (price as of 2026-10-02) |
| March 31, 2025 | MIR | A | 1,520 | · | · | 68,595 Direct | +2.27% | Acquired | (price as of 2026-10-02) |
| Dec. 31, 2024 | MIR | A | 1,274 | · | · | 67,075 Direct | +1.94% | Acquired | (price as of 2026-10-02) |
| Dec. 13, 2024 | MIR | G | 8,300 | · | · | 63,788 Direct | -11.51% | Disposed | (price as of 2026-10-02) |
| Sept. 30, 2024 | MIR | A | 2,013 | · | · | 65,801 Direct | +3.16% | Acquired | (price as of 2026-10-02) |
| June 28, 2024 | MIR | A | 2,019 | · | · | 72,088 Direct | +2.88% | Acquired | (price as of 2026-10-02) |
| June 4, 2024 | MIR | A | 13,500 | · | · | 70,069 Direct | +23.86% | Acquired | (price as of 2026-10-02) |
| March 28, 2024 | MIR | A | 1,898 | · | · | 56,569 Direct | +3.47% | Acquired | (price as of 2026-10-02) |
| Dec. 29, 2023 | MIR | A | 2,075 | · | · | 54,671 Direct | +3.95% | Acquired | (price as of 2026-10-02) |
| Sept. 29, 2023 | MIR | A | 2,906 | · | · | 52,596 Direct | +5.85% | Acquired | (price as of 2026-10-02) |
| June 30, 2023 | MIR | A | 2,646 | · | · | 49,690 Direct | +5.62% | Acquired | (price as of 2026-10-02) |
| June 6, 2023 | MIR | A | 11,850 | · | · | 47,044 Direct | +33.67% | Acquired | (price as of 2026-10-02) |
| March 31, 2023 | MIR | A | 2,596 | · | · | 35,194 Direct | +7.96% | Acquired | (price as of 2026-10-02) |
| Dec. 30, 2022 | MIR | A | 3,208 | · | · | 32,598 Direct | +10.92% | Acquired | (price as of 2026-10-02) |
| Sept. 30, 2022 | MIR | A | 2,986 | · | · | 29,390 Direct | +11.31% | Acquired | (price as of 2026-10-02) |
| July 1, 2022 | MIR | A | 3,702 | · | · | 26,404 Direct | +16.31% | Acquired | (price as of 2026-10-02) |
| June 15, 2022 | MIR | A | 14,274 | · | · | 22,702 Direct | +169.36% | Acquired | (price as of 2026-10-02) |
| March 31, 2022 | MIR | A | 2,611 | · | · | 8,428 Direct | +44.89% | Acquired | (price as of 2026-10-02) |
| Dec. 27, 2021 | MIR | A | 5,817 | · | · | 5,817 Direct | · | Acquired | (price as of 2026-10-02) |
| June 1, 2020 | CRL | A | 4,636 | · | · | 4,636 Direct | · | Acquired | (price as of 2026-10-02) |
| June 1, 2020 | CRL | A | 1,390 | · | · | 3,171 Direct | +78.05% | Acquired | (price as of 2026-10-02) |
| May 29, 2020 | CRL | A | 5,942 | · | · | 5,942 Direct | · | Acquired | (price as of 2026-10-02) |
| May 29, 2020 | CRL | A | 1,781 | · | · | 1,781 Direct | · | Acquired | (price as of 2026-10-02) |
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.
Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| June 1, 2020 | CRL | Stock Options (Right to Buy) | Common Stock | $179.82 | June 1, 2030 | 4,636 | Acquired |
| May 29, 2020 | CRL | Stock Options (Right to Buy) | Common Stock | $179.66 | May 29, 2030 | 5,942 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Jan. 19, 2017 | VREX | No securities are beneficially owned. | 0 | Direct |