David P Hochman

CIK 1292834 · View on SEC EDGAR ↗

Insider

First SEC filing: Jan. 30, 2023 · Latest: June 12, 2026

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Insider at

Insider transactions

5 buys (P) 0 sells (S) Net: $116,190 + 64 non-open-market transactions below Avg return of open purchases vs now: 53.9% 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

64 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
June 1, 2026 OBIO P 5,000 $3.83 $19,150 1,064,029 Direct +0.47% Acquired 42.8% (price as of 2026-08-20)
May 15, 2026 OBIO P 5,000 $3.77 $18,850 1,059,029 Direct +0.47% Acquired 45.1% (price as of 2026-08-20)
March 13, 2026 OBIO P 10,000 $4.29 $42,900 1,086,467 Direct +0.93% Acquired 27.5% (price as of 2026-08-20)
Nov. 14, 2025 OBIO P 5,000 $4.07 $20,350 612,822 Direct +0.82% Acquired 34.4% (price as of 2026-08-20)
Aug. 21, 2025 OBIO P 6,000 $2.49 $14,940 651,460 Direct +0.93% Acquired 119.7% (price as of 2026-08-20)
Aug. 4, 2025 OBIO P 20,000 $2.75 $55,000 349,331 Indirect +6.07% Acquired 98.9% (price as of 2026-08-20)
Dec. 23, 2024 OBIO P 4,000 $4.66 $18,640 579,498 Direct +0.70% Acquired 17.4% (price as of 2026-08-20)
Dec. 18, 2024 OBIO P 5,000 $4.91 $24,550 575,498 Direct +0.88% Acquired 11.4% (price as of 2026-08-20)
Sept. 25, 2024 OBIO P 2,000 $4.73 $9,460 2,000 Indirect — Acquired 15.6% (price as of 2026-08-20)
Sept. 25, 2024 OBIO P 2,000 $4.70 $9,400 2,000 Indirect — Acquired 16.4% (price as of 2026-08-20)
Sept. 25, 2024 OBIO P 2,000 $4.74 $9,480 2,000 Indirect — Acquired 15.4% (price as of 2026-08-20)
Sept. 25, 2024 OBIO P 1,500 $4.86 $7,290 335,002 Indirect +0.45% Acquired 12.6% (price as of 2026-08-20)
Sept. 24, 2024 OBIO P 2,500 $4.91 $12,275 570,498 Direct +0.44% Acquired 11.4% (price as of 2026-08-20)
Aug. 14, 2024 OBIO P 2,500 $5.84 $14,600 567,998 Direct +0.44% Acquired -6.3% (price as of 2026-08-20)
June 25, 2024 OBIO P 1,000 $6.95 $6,950 333,502 Indirect +0.30% Acquired -21.3% (price as of 2026-08-20)
May 17, 2024 OBIO P 3,000 $5.15 $15,450 332,502 Indirect +0.91% Acquired 6.2% (price as of 2026-08-20)
May 16, 2024 OBIO P 2,000 $4.75 $9,500 329,502 Indirect +0.61% Acquired 15.2% (price as of 2026-08-20)
March 15, 2019 CRBP P 2,000 $6.98 $13,960 7,000 Indirect +40.00% Acquired -95.3% (price as of 2026-08-20)
May 14, 2018 CRBP P 5,000 $5.48 $27,400 5,000 Indirect — Acquired -94.0% (price as of 2026-08-20)
March 14, 2018 CRBP P 5,000 $6.66 $33,300 225,000 Indirect +2.27% Acquired -95.1% (price as of 2026-08-20)
Nov. 15, 2017 CRBP P 5,000 $6.55 $32,750 220,000 Indirect +2.33% Acquired -95.0% (price as of 2026-08-20)
Nov. 13, 2017 CRBP P 5,000 $6.90 $34,500 215,000 Indirect +2.38% Acquired -95.2% (price as of 2026-08-20)
Nov. 10, 2017 CRBP P 10,000 $7.08 $70,800 459,500 Direct +2.22% Acquired -95.4% (price as of 2026-08-20)
May 11, 2017 CRBP P 3,400 $6.18 $21,012 459,500 Direct +0.75% Acquired -94.7% (price as of 2026-08-20)
Nov. 18, 2016 CRBP P 10,000 $7.00 $70,000 456,100 Direct +2.24% Acquired -95.3% (price as of 2026-08-20)
Aug. 17, 2015 CRBP P 1,000 $1.92 $1,920 454,300 Direct +0.22% Acquired -82.9% (price as of 2026-08-20)
Dec. 4, 2014 CRBP P 1,300 $3.05 $3,965 443,300 Direct +0.29% Acquired -89.2% (price as of 2026-08-20)
Dec. 2, 2014 CRBP P 500 $3.50 $1,750 442,000 Direct +0.11% Acquired -90.6% (price as of 2026-08-20)
Dec. 2, 2014 CRBP P 400 $3.25 $1,300 441,500 Direct +0.09% Acquired -89.9% (price as of 2026-08-20)
Dec. 1, 2014 CRBP P 500 $4.00 $2,000 441,100 Direct +0.11% Acquired -91.8% (price as of 2026-08-20)
Nov. 25, 2014 CRBP P 500 $3.09 $1,545 440,600 Direct +0.11% Acquired -89.4% (price as of 2026-08-20)
Nov. 25, 2014 CRBP P 1,500 $3.08 $4,620 440,100 Direct +0.34% Acquired -89.3% (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
April 4, 2025 OBIO Stock Option (Right to Buy) Common Stock (147,500) $2.76 April 4, 2035 147,500 Acquired
July 20, 2023 OBIO Stock Option (Right to Buy) Common Stock (132,000) $7.42 July 20, 2033 132,000 Acquired
July 20, 2023 OBIO Stock Option (Right to Buy) Common Stock (100,500) $7.42 July 20, 2033 100,500 Acquired
April 12, 2023 OBIO Right to Receive Earnout Shares Common Stock (683) — — 683 Disposed
April 12, 2023 OBIO Right to Receive Earnout Shares Common Stock (11,160) — — 11,160 Disposed
April 12, 2023 OBIO Right to Receive Earnout Shares Common Stock (29,551) — — 29,551 Disposed
Jan. 26, 2023 OBIO Nonstatutory Stock Option (Right to Buy) [F1] Common Stock (116,250) $10.00 Jan. 19, 2033 116,250 Acquired
Jan. 26, 2023 OBIO Nonstatutory Stock Option (Right to Buy) [F1] Common Stock (208,216) $10.00 Aug. 17, 2032 208,216 Acquired
Jan. 26, 2023 OBIO Nonstatutory Stock Option (Right to Buy) [F1] Common Stock (300,181) $10.00 Aug. 17, 2032 300,181 Acquired
Jan. 26, 2023 OBIO Right to Receive Earnout Shares [F1] Common Stock (1,366) — — 1,366 Acquired
Jan. 26, 2023 OBIO Right to Receive Earnout Shares [F1] Common Stock (22,320) — — 22,320 Acquired
Jan. 26, 2023 OBIO Right to Receive Earnout Shares [F1] Common Stock (59,102) — — 59,102 Acquired
Jan. 26, 2023 OBIO Warrant (Right to Buy) Common Stock (410) $21.51 May 31, 2023 410 Acquired
Jan. 26, 2023 OBIO Warrant (Right to Buy) Common Stock (422) $21.51 May 31, 2023 422 Acquired
Jan. 26, 2023 OBIO Incentive Stock Option (Right to Buy) Common Stock (6,743) $4.06 April 11, 2032 6,743 Acquired
Jan. 26, 2023 OBIO Incentive Stock Option (Right to Buy) Common Stock (69,750) $4.30 Aug. 7, 2028 69,750 Acquired
Jan. 26, 2023 OBIO Nonstatutory Stock Option (Right to Buy) Common Stock (116,250) $10.00 Jan. 19, 2023 116,250 Acquired
Jan. 26, 2023 OBIO Nonstatutory Stock Option (Right to Buy) Common Stock (208,216) $10.00 Aug. 25, 2032 208,216 Acquired
Jan. 26, 2023 OBIO Nonstatutory Stock Option (Right to Buy) Common Stock (300,181) $10.00 Aug. 25, 2032 300,181 Acquired
Jan. 26, 2023 OBIO Nonstatutory Stock Option (Right to Buy) Common Stock (31,000) $4.06 April 11, 2032 31,000 Acquired
Jan. 26, 2023 OBIO Nonstatutory Stock Option (Right to Buy) Common Stock (194,071) $4.30 Aug. 7, 2028 194,071 Acquired
May 20, 2020 CRBP Stock Option(right to buy) Common Stock (40,500) $7.30 May 20, 2030 40,500 Acquired
May 22, 2019 CRBP Stock Option(right to buy) Common Stock (33,300) $7.31 May 22, 2029 33,300 Acquired
May 24, 2018 CRBP Stock Option(right to buy) [F3] Common Stock (34,000) $5.93 May 24, 2028 34,000 Acquired
May 25, 2017 CRBP Stock Option(right to buy) Common Stock (30,500) $6.75 May 25, 2027 30,500 Acquired
Sept. 16, 2016 CRBP Stock Option(right to buy) Common Stock (50,000) $7.14 Sept. 16, 2026 50,000 Acquired
May 26, 2016 CRBP Stock Option(right to buy) Common Stock (50,000) $3.00 May 26, 2026 50,000 Acquired
Aug. 12, 2015 CRBP Stock Option(right to buy) Common Stock (20,000) $1.97 Aug. 12, 2015 20,000 Acquired
June 12, 2015 CRBP Warrant Common Stock (50,000) $1.00 April 11, 2019 50,000 Disposed
June 12, 2015 CRBP Warrant Common Stock (10,000) $1.00 May 30, 2019 10,000 Disposed

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
Jan. 30, 2023 OBIO Warrants (Right to Buy)→ Common Stock, par value $0.0001 per share ("Common Stock") (225,000) 225,000 Direct
Nov. 25, 2014 CRBP Common Stock 438,600 Direct
Nov. 25, 2014 CRBP Common Stock 4,300 Indirect
Nov. 25, 2014 CRBP Common Stock 4,300 Indirect
Nov. 25, 2014 CRBP Common Stock 4,300 Indirect
Nov. 25, 2014 CRBP Common Stock 140,000 Indirect
Nov. 25, 2014 CRBP Warrant→ Common Stock (10,000) 10,000 Direct
Nov. 25, 2014 CRBP Warrant→ Common Stock (50,000) 50,000 Indirect
Nov. 25, 2014 CRBP Stock Option→ Common Stock (50,000) 50,000 Direct

Compensation (DEF 14A)

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

OBIO

Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2025 $595,000 — $791,399 $290,575 $572,009 — $12,250 $2,261,233

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