Perry A Karsen
CIK 1260573 · View on SEC EDGAR ↗
First SEC filing: June 24, 2021 · Latest: June 24, 2021
On this page
Insider at
Insider transactions
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 |
|---|---|---|---|---|---|---|---|---|---|
| Dec. 17, 2020 | NTLA | S 10b5-1 | 21,336 | $54.33 | $1,159,185 | 5,000 Direct | -81.01% | Disposed | -76.7% (price as of 2026-08-20) |
| Dec. 17, 2020 | NTLA | S 10b5-1 | 45,450 | $53.69 | $2,440,210 | 26,336 Direct | -63.31% | Disposed | -76.4% (price as of 2026-08-20) |
| Dec. 17, 2020 | NTLA | S 10b5-1 | 21,978 | $52.52 | $1,154,285 | 71,786 Direct | -23.44% | Disposed | -75.9% (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.
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 |
|---|---|---|---|---|---|---|---|
| July 19, 2023 | LENZ | Stock Option (right to buy) | Common Stock (20,000) | $2.72 | July 18, 2033 | 20,000 | Acquired |
| June 21, 2022 | LENZ | Stock Option (right to buy) | Common Stock (20,000) | $2.54 | June 20, 2032 | 20,000 | Acquired |
| June 29, 2021 | LENZ | Series B Preferred Stock | Common Stock (8,126) | — | — | 19,763 | Disposed |
| March 17, 2021 | LENZ | Stock Option (right to buy) | Common Stock | — | March 16, 2031 | 18,698 | Acquired |
| March 11, 2021 | LENZ | Series B Preferred Stock | Common Stock (8,126) | — | — | 19,763 | Acquired |
| Jan. 13, 2021 | LENZ | Stock Option (right to buy) | Common Stock | — | Jan. 12, 2031 | 74,794 | Acquired |
| Dec. 17, 2020 | NTLA | Stock Option (right to buy) | Common Stock (19,000) | $15.78 | May 20, 2029 | 19,000 | Disposed |
| Dec. 17, 2020 | NTLA | Stock Option (right to buy) | Common Stock (19,000) | $25.98 | May 16, 2028 | 19,000 | Disposed |
| Dec. 17, 2020 | NTLA | Stock Option (right to buy) | Common Stock (19,000) | $14.35 | May 17, 2027 | 19,000 | Disposed |
| Dec. 17, 2020 | NTLA | Stock Option (right to buy) | Common Stock (31,764) | $18.00 | May 4, 2026 | 31,764 | Disposed |
| June 18, 2020 | NTLA | Stock Option (right to buy) | Common Stock (19,000) | $20.72 | June 17, 2030 | 19,000 | Acquired |
| June 13, 2019 | VYGR | Stock Option (Right to Buy) | Common Stock (15,000) | $24.68 | June 13, 2029 | 15,000 | Acquired |
| May 21, 2019 | NTLA | Stock Option (right to buy) | Common Stock (19,000) | $15.78 | May 20, 2029 | 19,000 | Acquired |
| June 14, 2018 | VYGR | Stock Option (Right to Buy) | Common Stock (15,000) | $21.64 | June 14, 2028 | 15,000 | Acquired |
| May 17, 2018 | NTLA | Stock Option (right to buy) | Common Stock (19,000) | $25.98 | May 16, 2028 | 19,000 | Acquired |
| June 29, 2017 | VYGR | Stock Option (Right to Buy) | Common Stock (15,000) | $9.06 | June 29, 2027 | 15,000 | Acquired |
| May 18, 2017 | NTLA | Stock Option (right to buy) | Common Stock (19,000) | $14.35 | May 17, 2027 | 19,000 | Acquired |
| June 15, 2016 | VYGR | Stock Option (Right to Buy) | Common Stock (15,000) | $13.70 | June 15, 2026 | 15,000 | Acquired |
| May 5, 2016 | NTLA | Stock Option (right to buy) | Common Stock (31,764) | $18.00 | May 4, 2026 | 31,764 | Acquired |
| June 23, 2015 | AGIO | Stock Option (right to buy) | Common Stock (10,625) | $103.63 | June 22, 2025 | 10,625 | Acquired |
| May 30, 2014 | AGIO | Stock Option (right to buy) | Common Stock (12,500) | $35.16 | May 29, 2024 | 12,500 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 6 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| June 24, 2021 | LENZ | Common Stock | 155,908 | Direct |
| June 24, 2021 | LENZ | Series B Preferred Stock→ Common Stock (8,126) | 8,126 | Direct |
| June 24, 2021 | LENZ | Stock Option (right to buy)→ Common Stock (74,794) | 74,794 | Direct |
| June 24, 2021 | LENZ | Stock Option (right to buy)→ Common Stock (18,698) | 18,698 | Direct |
| Nov. 10, 2015 | VYGR | Stock Option (Right to Buy)→ Common Stock (31,764) | 31,764 | Direct |
| July 23, 2013 | AGIO | No securities are beneficially owned | — | Direct |