Lawrence Otto Klein

CIK 1762583 · View on SEC EDGAR ↗

Insider

First SEC filing: May 1, 2025 · Latest: June 15, 2026

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Insider transactions

0 buys (P) 2 sells (S) Net: $-191,902 + 70 non-open-market transactions 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

70 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
June 15, 2026 ORKA S 1,729 $69.69 $120,494 925,580 Direct -0.19% Disposed 53.5% (price as of 2026-08-21)
March 16, 2026 ORKA S 1,729 $41.30 $71,408 927,309 Direct -0.19% Disposed 158.9% (price as of 2026-08-21)
March 23, 2021 CRSP S 10b5-1 12,000 $126.97 $1,523,640 1,050 Direct -91.95% Disposed -53.1% (price as of 2026-08-21)
March 23, 2021 CRSP S 10b5-1 88,000 $128.20 $11,281,600 13,050 Direct -87.09% Disposed -53.5% (price as of 2026-08-21)
Jan. 15, 2021 CRSP S 10b5-1 2,911 $211.44 $615,502 25,755 Direct -10.15% Disposed -71.8% (price as of 2026-08-21)
Jan. 15, 2021 CRSP S 10b5-1 2,555 $212.54 $543,040 23,200 Direct -9.92% Disposed -72.0% (price as of 2026-08-21)
Jan. 15, 2021 CRSP S 10b5-1 1,200 $213.71 $256,452 22,000 Direct -5.17% Disposed -72.1% (price as of 2026-08-21)
Jan. 15, 2021 CRSP S 10b5-1 1,400 $214.46 $300,244 20,600 Direct -6.36% Disposed -72.2% (price as of 2026-08-21)
Jan. 15, 2021 CRSP S 10b5-1 400 $216.24 $86,496 20,200 Direct -1.94% Disposed -72.5% (price as of 2026-08-21)
Jan. 15, 2021 CRSP S 10b5-1 200 $217.45 $43,490 20,000 Direct -0.99% Disposed -72.6% (price as of 2026-08-21)
Jan. 15, 2021 CRSP S 10b5-1 634 $212.20 $134,535 35,700 Direct -1.74% Disposed -71.9% (price as of 2026-08-21)
Jan. 15, 2021 CRSP S 10b5-1 2,800 $213.64 $598,192 32,900 Direct -7.84% Disposed -72.1% (price as of 2026-08-21)
Jan. 15, 2021 CRSP S 10b5-1 700 $214.60 $150,220 32,200 Direct -2.13% Disposed -72.3% (price as of 2026-08-21)
Jan. 15, 2021 CRSP S 10b5-1 1,500 $216.39 $324,585 30,700 Direct -4.66% Disposed -72.5% (price as of 2026-08-21)
Jan. 15, 2021 CRSP S 10b5-1 9,997 $217.42 $2,173,548 20,703 Direct -32.56% Disposed -72.6% (price as of 2026-08-21)
Jan. 15, 2021 CRSP S 10b5-1 701 $218.54 $153,197 20,002 Direct -3.39% Disposed -72.8% (price as of 2026-08-21)
Jan. 15, 2021 CRSP S 10b5-1 2 $219.99 $440 20,000 Direct -0.01% Disposed -72.9% (price as of 2026-08-21)
Aug. 7, 2020 DYN P 35,574 $2.81 $99,963 35,574 Direct — Acquired 839.1% (price as of 2026-08-21)
June 25, 2020 CRSP S 10b5-1 4,912 $75.18 $369,284 20,000 Direct -19.72% Disposed -20.8% (price as of 2026-08-21)
June 24, 2020 CRSP S 10b5-1 2,913 $76.26 $222,145 20,000 Direct -12.71% Disposed -21.9% (price as of 2026-08-21)
June 24, 2020 CRSP S 10b5-1 12,175 $75.32 $917,021 22,913 Direct -34.70% Disposed -20.9% (price as of 2026-08-21)
June 24, 2020 CRSP S 10b5-1 800 $76.50 $61,200 35,088 Direct -2.23% Disposed -22.2% (price as of 2026-08-21)
June 24, 2020 CRSP S 10b5-1 3,934 $75.94 $298,748 35,888 Direct -9.88% Disposed -21.6% (price as of 2026-08-21)
June 24, 2020 CRSP S 10b5-1 6,600 $74.90 $494,340 39,822 Direct -14.22% Disposed -20.5% (price as of 2026-08-21)
June 24, 2020 CRSP S 10b5-1 22,700 $76.50 $1,736,550 20,000 Direct -53.16% Disposed -22.2% (price as of 2026-08-21)
June 24, 2020 CRSP S 10b5-1 15,966 $75.93 $1,212,298 42,700 Direct -27.22% Disposed -21.6% (price as of 2026-08-21)
May 11, 2020 CRSP S 10b5-1 24,318 $60.38 $1,468,321 20,682 Direct -54.04% Disposed -1.4% (price as of 2026-08-21)
May 11, 2020 CRSP S 10b5-1 682 $61.07 $41,650 20,000 Direct -3.30% Disposed -2.5% (price as of 2026-08-21)
July 11, 2019 CRSP S 10b5-1 8,421 $50.01 $421,134 20,000 Direct -29.63% Disposed 19.1% (price as of 2026-08-21)
July 10, 2019 CRSP S 10b5-1 11,579 $50.02 $579,182 20,000 Direct -36.67% Disposed 19.1% (price as of 2026-08-21)

Showing latest 100 of 103 transactions

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
June 9, 2026 JBIO Stock Option (Right to Buy) Common Stock (34,843) $15.22 June 8, 2036 34,843 Acquired
Jan. 23, 2026 ORKA Employee Stock Option (right to buy) Common Stock (306,700) $34.39 Jan. 22, 2036 306,700 Acquired
April 29, 2025 JBIO Stock Option (Right to Buy) Common Stock (23,017) $10.14 April 29, 2035 23,017 Acquired
Jan. 22, 2025 ORKA Employee Stock Option (right to buy) Common Stock (230,000) $12.50 Jan. 21, 2035 230,000 Acquired
June 7, 2023 JSPRW Stock Option (right to buy) Voting Common Stock (47,000) $1.60 June 7, 2033 47,000 Acquired
Aug. 16, 2022 CRSP Restricted Stock Units Common Shares (12,500) — — 12,500 Acquired
July 5, 2022 DYN Stock Option (right to buy) Common Stock (7,222) $5.54 July 30, 2030 7,222 Acquired
June 3, 2022 DYN Stock Option (right to buy) Common Stock (19,596) $4.58 June 2, 2032 19,596 Acquired
March 21, 2022 JSPRW Stock Option (right to buy) Voting Common Stock (78,045) $3.54 March 21, 2032 78,045 Acquired
March 11, 2022 CRSP Restricted Stock Units Common Shares (3,000) — — 3,000 Disposed
March 10, 2022 CRSP Restricted Stock Units Common Shares (4,584) — — 4,584 Disposed
Feb. 18, 2022 CRSP Restricted Stock Units Common Shares (20,400) — — 20,400 Acquired
Feb. 18, 2022 CRSP Stock Option (Right to Buy) Common Shares (46,200) $58.29 Feb. 18, 2032 46,200 Acquired
Dec. 3, 2021 CRSP Restricted Stock Units Common Shares (26,667) — — 26,667 Acquired
Oct. 15, 2021 CRSP Stock Option (Right to Buy) Common Shares (13,800) $97.00 Oct. 15, 2031 13,800 Acquired
Sept. 10, 2021 CRSP Restricted Stock Units Common Shares (10,000) — — 10,000 Disposed
May 26, 2021 DYN Stock Option (right to buy) Common Stock (19,596) $19.56 May 25, 2031 19,596 Acquired
March 23, 2021 CRSP Stock Option (Right to Buy) Common Shares (12,000) $44.67 March 10, 2030 12,000 Disposed
March 23, 2021 CRSP Stock Option (Right to Buy) Common Shares (20,000) $40.87 March 5, 2029 20,000 Disposed
March 23, 2021 CRSP Stock Option (Right to Buy) Common Shares (10,000) $29.87 Jan. 1, 2029 10,000 Disposed
March 23, 2021 CRSP Stock Option (Right to Buy) Common Shares (22,000) $51.49 March 6, 2028 22,000 Disposed
March 23, 2021 CRSP Stock Option (Right to Buy) Common Shares (12,000) $17.66 Nov. 14, 2027 12,000 Disposed
March 23, 2021 CRSP Stock Option (Right to Buy) Common Shares (12,000) $14.43 June 14, 2027 12,000 Disposed
March 11, 2021 CRSP Restricted Stock Units Common Shares (12,000) — — 12,000 Acquired
March 11, 2021 CRSP Stock Option (Right to Buy) Common Shares (33,334) $133.88 March 11, 2031 33,334 Acquired
Jan. 15, 2021 CRSP Stock Option (Right to Buy) Common Shares (8,666) $12.57 July 14, 2026 8,666 Disposed
Jan. 15, 2021 CRSP Stock Option (Right to Buy) Common Shares (16,334) $14.43 June 14, 2027 16,334 Disposed
Oct. 5, 2020 CRSP Stock Option (Right to Buy) Common Shares (16,666) $86.75 Oct. 5, 2030 16,666 Acquired
Sept. 21, 2020 DYN Series B Preferred Stock Common Stock (10,725) — — 35,574 Disposed
Aug. 7, 2020 DYN Series B Preferred Stock Common Stock (10,725) — — 35,574 Acquired
July 31, 2020 DYN Stock Option (right to buy) Common Stock (14,444) $5.54 July 30, 2030 14,444 Acquired
July 31, 2020 DYN Stock Option (right to buy) Common Stock (11,156) $5.54 July 30, 2030 11,156 Acquired
June 25, 2020 CRSP Stock Option (Right to Buy) Common Shares (4,912) $12.57 July 14, 2026 4,912 Disposed
June 24, 2020 CRSP Stock Option (Right to Buy) Common Shares (26,422) $12.57 July 14, 2026 26,422 Disposed
June 24, 2020 CRSP Stock Option (Right to Buy) Common Shares (38,666) $5.86 March 1, 2026 38,666 Disposed
May 11, 2020 CRSP Stock Option (Right to Buy) Common Shares (25,000) $5.86 March 1, 2026 25,000 Disposed
March 10, 2020 CRSP Stock Option (Right to Buy) Common Shares (55,000) $44.67 March 10, 2030 55,000 Acquired
March 10, 2020 CRSP Restricted Stock Units Common Shares (13,750) — — 13,750 Acquired
Dec. 3, 2019 CRSP Restricted Stock Units Common Shares (40,000) — — 40,000 Acquired
Sept. 10, 2019 CRSP Restricted Stock Units Common Shares (10,000) — — 10,000 Acquired
July 11, 2019 CRSP Stock Option (Right to Buy) Common Shares (8,421) $5.86 March 1, 2026 8,421 Disposed
July 10, 2019 CRSP Stock Option (Right to Buy) Common Shares (11,579) $5.86 March 1, 2026 11,579 Disposed
March 5, 2019 CRSP Stock Option (Right to Buy) Common Shares (45,000) $40.87 March 5, 2029 45,000 Acquired
Jan. 2, 2019 CRSP Stock Option (Right to Buy) Common Shares (20,000) $29.87 Jan. 1, 2029 20,000 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 13 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date Ticker Security Shares Ownership
May 1, 2025 JBIO Common Stock 86,215 Direct
May 1, 2025 JBIO Stock Option (Right to Buy)→ Common Stock (48,720) 48,720 Direct
Sept. 6, 2024 ORKA Common Stock 852,338 Direct
Sept. 6, 2024 ORKA Warrant (Right to Buy)→ Common Stock (1,628,513) 1,628,513 Direct
Sept. 16, 2020 DYN Stock Option (right to buy)→ Common Stock (32,808) 32,808 Direct
Sept. 16, 2020 DYN Stock Option (right to buy)→ Common Stock (11,156) 11,156 Direct
Sept. 16, 2020 DYN Stock Option (right to buy)→ Common Stock (14,444) 14,444 Direct
Sept. 16, 2020 DYN Series B Preferred Stock→ Common Stock (10,725) 10,725 Direct
Jan. 3, 2019 CRSP Stock Option (Right to Buy)→ Common Shares (83,666) 83,666 Direct
Jan. 3, 2019 CRSP Stock Option (Right to Buy)→ Common Shares (40,000) 40,000 Direct
Jan. 3, 2019 CRSP Stock Option (Right to Buy)→ Common Shares (31,000) 31,000 Direct
Jan. 3, 2019 CRSP Stock Option (Right to Buy)→ Common Shares (15,000) 15,000 Direct
Jan. 3, 2019 CRSP Stock Option (Right to Buy)→ Common Shares (60,000) 60,000 Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

ORKA

Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2025 $624,000 — — $2,275,390 $446,160 — $10,500 $3,356,050
2024 $203,288 — — — $317,623 — — $520,911

CRSP

Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2022 $490,530 — — — — — $4,458 $4,324,852
2021 $450,000 — — — $273,375 — $11,600 $5,960,500

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.