Howard H. Xia
CIK 1517296 · View on SEC EDGAR ↗
Insider
First SEC filing: Aug. 19, 2014 · Latest: Aug. 19, 2014
On this page
Insider at
Insider transactions
0 buys (P)
11 sells (S)
Net:
$-2,248,303
+ 32 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
32 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 11, 2026 | COHR | S | 500 | $368.00 | $184,000 | 50,298 Direct | -0.98% | Disposed | -23.8% (price as of 2026-08-20) |
| May 11, 2026 | COHR | S | 500 | $358.00 | $179,000 | 50,798 Direct | -0.97% | Disposed | -21.7% (price as of 2026-08-20) |
| May 11, 2026 | COHR | S | 500 | $348.00 | $174,000 | 51,298 Direct | -0.97% | Disposed | -19.4% (price as of 2026-08-20) |
| May 11, 2026 | COHR | S | 500 | $344.00 | $172,000 | 51,798 Direct | -0.96% | Disposed | -18.5% (price as of 2026-08-20) |
| March 17, 2026 | COHR | S | 1,240 | $236.22 | $292,913 | 50,298 Direct | -2.41% | Disposed | 18.7% (price as of 2026-08-20) |
| March 17, 2026 | COHR | S | 1,000 | $244.46 | $244,460 | 51,538 Direct | -1.90% | Disposed | 14.7% (price as of 2026-08-20) |
| March 17, 2026 | COHR | S | 1,000 | $245.57 | $245,570 | 52,538 Direct | -1.87% | Disposed | 14.2% (price as of 2026-08-20) |
| March 16, 2026 | COHR | S | 1,000 | $258.00 | $258,000 | 50,298 Direct | -1.95% | Disposed | 8.7% (price as of 2026-08-20) |
| Dec. 2, 2025 | COHR | S | 1,000 | $172.00 | $172,000 | 50,019 Direct | -1.96% | Disposed | 63.0% (price as of 2026-08-20) |
| Dec. 2, 2025 | COHR | S | 1,000 | $168.00 | $168,000 | 51,019 Direct | -1.92% | Disposed | 66.9% (price as of 2026-08-20) |
| Nov. 28, 2025 | COHR | S | 1,000 | $158.36 | $158,360 | 50,019 Direct | -1.96% | Disposed | 77.1% (price as of 2026-08-20) |
| June 16, 2025 | COHR | S | 1,000 | $80.88 | $80,880 | 47,747 Direct | -2.05% | Disposed | 246.7% (price as of 2026-08-20) |
| June 11, 2025 | COHR | S | 1,000 | $83.00 | $83,000 | 47,747 Direct | -2.05% | Disposed | 237.8% (price as of 2026-08-20) |
| May 21, 2025 | COHR | S | 1,000 | $81.00 | $81,000 | 47,747 Direct | -2.05% | Disposed | 246.2% (price as of 2026-08-20) |
| May 12, 2025 | COHR | S | 1,000 | $78.00 | $78,000 | 47,747 Direct | -2.05% | Disposed | 259.5% (price as of 2026-08-20) |
| May 12, 2025 | COHR | S | 1,000 | $76.84 | $76,840 | 48,747 Direct | -2.01% | Disposed | 264.9% (price as of 2026-08-20) |
| May 9, 2025 | COHR | S | 1,000 | $72.68 | $72,680 | 47,747 Direct | -2.05% | Disposed | 285.8% (price as of 2026-08-20) |
| Aug. 19, 2011 | COHR | P | 4,000 | $17.52 | $70,080 | 4,000 Indirect | — | Acquired | 1500.5% (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 |
|---|---|---|---|---|---|---|---|
| May 11, 2026 | COHR | Option (Right to Buy) | Common Stock (2,000) | $21.67 | Aug. 20, 2026 | 2,000 | Disposed |
| March 17, 2026 | COHR | Option (Right to Buy) | Common Stock (3,240) | $21.67 | Aug. 20, 2026 | 3,240 | Disposed |
| March 16, 2026 | COHR | Option (Right to Buy) | Common Stock (1,000) | $21.67 | Aug. 20, 2026 | 1,000 | Disposed |
| Dec. 2, 2025 | COHR | Option (Right to Buy) | Common Stock (2,000) | $21.67 | Aug. 20, 2026 | 2,000 | Disposed |
| Nov. 28, 2025 | COHR | Option (Right to Buy) | Common Stock (1,000) | $21.67 | Aug. 20, 2026 | 1,000 | Disposed |
| June 16, 2025 | COHR | Option (Right to buy) | Common Stock (1,000) | $17.84 | Aug. 15, 2025 | 1,000 | Disposed |
| June 11, 2025 | COHR | Option (Right to buy) | Common Stock (1,000) | $17.84 | Aug. 15, 2025 | 1,000 | Disposed |
| May 21, 2025 | COHR | Option (Right to buy) | Common Stock (1,000) | $17.84 | Aug. 15, 2025 | 1,000 | Disposed |
| May 12, 2025 | COHR | Option (Right to buy) | Common Stock (2,000) | $17.84 | Aug. 15, 2025 | 2,000 | Disposed |
| May 9, 2025 | COHR | Option (Right to buy) | Common Stock (1,000) | $17.84 | Aug. 15, 2025 | 1,000 | Disposed |
| Aug. 15, 2015 | COHR | Option (Right to buy) | Common Stock (8,970) | $17.84 | Aug. 15, 2025 | 8,970 | Acquired |
| Aug. 16, 2014 | COHR | Option (Right to buy) | Common Stock (11,440) | $13.99 | Aug. 16, 2024 | 11,440 | Acquired |
| Aug. 17, 2013 | COHR | Option (Right to buy) | Common Stock (8,270) | $19.37 | Aug. 17, 2023 | 8,270 | Acquired |
| Aug. 18, 2012 | COHR | Option (Right to buy) | Common Stock (8,620) | $18.93 | Aug. 18, 2022 | 8,620 | Acquired |
| Aug. 20, 2011 | COHR | Option (Right to buy) | Common Stock (9,300) | $17.53 | Aug. 20, 2021 | 9,300 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).