Matthew S Newcomb
CIK 2061268 · View on SEC EDGAR ↗
Insider
First SEC filing: June 11, 2025 · Latest: June 11, 2025
On this page
Insider at
Insider transactions
0 buys (P)
2 sells (S)
Net:
$-1,961,000
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
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 6, 2026 | CHYM | S 10b5-1 | 20,000 | $28.30 | $566,000 | 2,261,070 Indirect | -0.88% | Disposed | 18.8% (price as of 2026-08-20) |
| Aug. 6, 2026 | CHYM | S 10b5-1 | 45,000 | $31.00 | $1,395,000 | 2,216,070 Indirect | -1.99% | Disposed | 8.5% (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.
Initial ownership (Form 3) 8 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| June 11, 2025 | CHYM | Common Stock [F1] | — | Direct |
| June 11, 2025 | CHYM | Common Stock [F1] | 2,147,872 | Indirect |
| June 11, 2025 | CHYM | Employee Stock Option (Right to Buy)→ Common Stock [F1] (103,417) | 103,417 | Direct |
| June 11, 2025 | CHYM | Employee Stock Option (Right to Buy)→ Common Stock [F1] (325,000) | 325,000 | Direct |
| June 11, 2025 | CHYM | Employee Stock Option (Right to Buy)→ Common Stock [F1] (375,000) | 375,000 | Direct |
| June 11, 2025 | CHYM | Employee Stock Option (Right to Buy)→ Common Stock [F1] (266,667) | 266,667 | Direct |
| June 11, 2025 | CHYM | Employee Stock Option (Right to Buy)→ Common Stock [F1] (233,400) | 233,400 | Direct |
| June 11, 2025 | CHYM | Employee Stock Option (Right to Buy)→ Common Stock [F1] (383,400) | 383,400 | Direct |