| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Chief Executive Officer | Director | Cbo &COO +1 more
4 companies
Klein Lawrence Otto serves as a Chief Executive Officer at ORKA and has filed Form 4s across 4 companies. Across recent SEC filings that breaks down to 0 buys and 36 sells. Those positions are worth an estimated $79.4M at current prices.
The biggest single holding is ORKA (~$77.7M) as Chief Executive Officer. The recent filings there lean toward selling, a net 105,910 shares.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2026 | ORKA Oruka Therapeutics, Inc. | Chief Executive Officer | Sale+OE | 25,000 | $83.62 | $2,090,593.27 | -2.6% | - | - | |
| Sep 15, 2026 | ORKA Oruka Therapeutics, Inc. | Chief Executive Officer | Sell | 2,452 | $95.71 | $234,680.92 | -0.3% | - | - | |
| Sep 1, 2026 | ORKA Oruka Therapeutics, Inc. | Chief Executive Officer | Sale+OE | 75,000 | $91.83 | $6,887,484.48 | -7.5% | - | - | |
| Jun 15, 2026 | ORKA Oruka Therapeutics, Inc. | Chief Executive Officer | Sell | 1,729 | $69.69 | $120,494.01 | -0.2% | +39.3% | - | |
| Mar 16, 2026 | ORKA Oruka Therapeutics, Inc. | Chief Executive Officer | Sell | 1,729 | $41.30 | $71,407.70 | -0.2% | +64.9% | - | |
| Mar 23, 2021 | CRSP Crispr Therapeutics AG | Cbo &COO | Sale+OE | 100,000 | $128.05 | $12,805,240.00 | -99.0% | +2.5% | -49.7% | |
| Jan 15, 2021 | CRSP Crispr Therapeutics AG | Cbo &COO | Sale+OE | 25,000 | $215.20 | $5,379,939.60 | -55.6% | - | - | |
| Jun 25, 2020 | CRSP Crispr Therapeutics AG | Cbo &COO | Sale+OE | 70,000 | $75.88 | $5,311,564.12 | -77.8% | - | - | |
| May 11, 2020 | CRSP Crispr Therapeutics AG | Cbo &COO | Sale+OE | 25,000 | $60.40 | $1,509,970.58 | -55.6% | - | - | |
| Jul 11, 2019 | CRSP Crispr Therapeutics AG | Chief Business Officer | Sale+OE | 20,000 | $50.02 | $1,000,352.84 | -50.0% | - | - |