David Ripstein
Insider
First SEC filing: March 18, 2026 · Latest: March 18, 2026
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
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 |
|---|---|---|---|---|---|---|---|---|---|
| May 23, 2026 | CRNT | A | 14,750 | · | · | 46,760 Direct | +46.08% | Acquired | (price as of 2026-10-02) |
| May 23, 2026 | CRNT | A | 29,500 | · | · | 29,500 Direct | · | Acquired | (price as of 2026-10-02) |
| May 22, 2026 | CRNT | A | 6,520 | · | · | 32,010 Direct | +25.58% | Acquired | (price as of 2026-10-02) |
| May 22, 2026 | CRNT | A | 13,030 | · | · | 13,030 Direct | · | Acquired | (price as of 2026-10-02) |
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 23, 2026 | CRNT | Stock Option (Right to Buy) | Ordinary Shares | $2.80 | May 23, 2032 | 29,500 | Acquired |
| May 22, 2026 | CRNT | Stock Option (Right to Buy) | Ordinary Shares | $2.79 | May 22, 2032 | 13,030 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 9 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| March 18, 2026 | RDCM | Ordinary Shares | 13,590 | Direct |
| March 18, 2026 | RDCM | Share Options (right to buy) | · | Direct |
| March 18, 2026 | CRNT | Ordinary Shares | · | Direct |
| March 18, 2026 | CRNT | Stock Option (Right to Buy) | 7,397 | Direct |
| March 18, 2026 | CRNT | Stock Option (Right to Buy) | 16,666 | Direct |
| March 18, 2026 | CRNT | Stock Option (Right to Buy) | 16,666 | Direct |
| March 18, 2026 | CRNT | Stock Option (Right to Buy) | 26,790 | Direct |
| March 18, 2026 | CRNT | Stock Option (Right to Buy) | 14,850 | Direct |
| March 18, 2026 | CRNT | Stock Option (Right to Buy) | 33,700 | Direct |