Paul Reider
CIK 1970033 · View on SEC EDGAR ↗
Insider
First SEC filing: March 28, 2023 · Latest: March 28, 2023
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 1 non-open-market transaction 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 |
|---|---|---|---|---|---|---|---|---|---|
| April 1, 2023 | CHRS | F | 2,451 | $6.84 | $16,765 | 87,053 Direct | -2.74% | Disposed | -80.9% (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) 5 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| March 28, 2023 | CHRS | Common Stock | 89,504 | Direct |
| March 28, 2023 | CHRS | Stock Option (Right to Buy)→ Common Stock (125,000) | 125,000 | Direct |
| March 28, 2023 | CHRS | Stock Option (Right to Buy)→ Common Stock (40,000) | 40,000 | Direct |
| March 28, 2023 | CHRS | Stock Option (Right to Buy)→ Common Stock (37,500) | 37,500 | Direct |
| March 28, 2023 | CHRS | Stock Option (Right to Buy)→ Common Stock (80,000) | 80,000 | Direct |