David G Wagner
CIK 1624339 · View on SEC EDGAR ↗
First SEC filing: Aug. 18, 2015 · Latest: Aug. 18, 2016
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Insider transactions
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 |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 16, 2016 | COHR | F | 1,256 | $21.34 | $26,803 | 36,302 Direct | -3.34% | Disposed | 1311.2% (price as of 2026-08-21) |
| Aug. 16, 2016 | COHR | A | 3,990 | — | — | 37,558 Direct | +11.89% | Acquired | (price as of 2026-08-21) |
| Nov. 20, 2015 | COHR | A | 4,510 | — | — | 33,568 Direct | +15.52% | Acquired | (price as of 2026-08-21) |
| Aug. 26, 2015 | COHR | F | 1,994 | $17.90 | $35,693 | 29,057 Direct | -6.42% | Disposed | 1582.4% (price as of 2026-08-21) |
| Aug. 15, 2015 | COHR | A | 3,774 | — | — | 31,051 Direct | +13.84% | Acquired | (price as of 2026-08-21) |
| Aug. 15, 2015 | COHR | A | 12,570 | — | — | 12,570 Direct | — | Acquired | (price as of 2026-08-21) |
| June 18, 2015 | COHR | A | 8,600 | — | — | 21,227 Direct | +68.11% | Acquired | (price as of 2026-08-21) |
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 |
|---|---|---|---|---|---|---|---|
| Aug. 15, 2015 | COHR | Option (Right to buy) | Common Stock (12,570) | $17.84 | Aug. 15, 2025 | 12,570 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 10 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Aug. 18, 2015 | COHR | Common Stock | — | Direct |
| Aug. 18, 2015 | COHR | Common Stock | — | Indirect |
| Nov. 17, 2014 | COHR | Common Stock | — | Direct |
| Nov. 17, 2014 | COHR | Option (Right to buy)→ Common Stock (14,000) | 14,000 | Direct |
| Nov. 17, 2014 | COHR | Option (Right to buy)→ Common Stock (11,320) | 11,320 | Direct |
| Nov. 17, 2014 | COHR | Option (Right to buy)→ Common Stock (7,350) | 7,350 | Direct |
| Nov. 17, 2014 | COHR | Option (Right to buy)→ Common Stock (8,300) | 8,300 | Direct |
| Nov. 17, 2014 | COHR | Option (Right to buy)→ Common Stock (3,900) | 3,900 | Direct |
| Nov. 17, 2014 | COHR | Option (Right to buy)→ Common Stock (6,400) | 6,400 | Direct |
| Nov. 17, 2014 | COHR | Option (Right to buy)→ Common Stock (20,000) | 20,000 | Direct |