John W Kuo
CIK 1330270 · View on SEC EDGAR ↗
Insider
First SEC filing: Jan. 19, 2017 · Latest: Jan. 19, 2017
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 7 non-open-market transactions below
last 12 months, based on the transactions shown below
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 |
|---|---|---|---|---|---|---|---|---|---|
| June 30, 2025 | MIR | A | 1,024 | — | — | 77,596 Direct | +1.34% | Acquired | (price as of 2026-08-20) |
| March 31, 2022 | MIR | A | 2,611 | — | — | 8,428 Direct | +44.89% | Acquired | (price as of 2026-08-20) |
| Dec. 27, 2021 | MIR | A | 5,817 | — | — | 5,817 Direct | — | Acquired | (price as of 2026-08-20) |
| June 1, 2020 | CRL | A | 4,636 | — | — | 4,636 Direct | — | Acquired | (price as of 2026-08-20) |
| June 1, 2020 | CRL | A | 1,390 | — | — | 3,171 Direct | +78.05% | Acquired | (price as of 2026-08-20) |
| May 29, 2020 | CRL | A | 5,942 | — | — | 5,942 Direct | — | Acquired | (price as of 2026-08-20) |
| May 29, 2020 | CRL | A | 1,781 | — | — | 1,781 Direct | — | Acquired | (price as of 2026-08-20) |
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 (4,636) | $179.82 | June 1, 2030 | 4,636 | Acquired |
| May 29, 2020 | CRL | Stock Options (Right to Buy) | Common Stock (5,942) | $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 |