Arkowitz David
Insider CIK 1296999 · FLXN Chief Financial Officer · IBIO Director · PTI Director · SBPH Director · MCRB See Remarks
Trades across companies
| Ticker | Code | Trade | Filed | Shares | Price | Value | Owned after | |
|---|---|---|---|---|---|---|---|---|
| IBIO iBio, Inc. | A Award deriv | 2026-10-14 | 2026-10-15 | 38,000 | — | $0 | 38,000 | SEC↗ |
| IBIO iBio, Inc. | A Award deriv | 2025-11-20 | 2025-11-24 | 13,500 | — | $0 | 13,500 | SEC↗ |
| KANT KINETA, INC./DE | D To issuer deriv | 2025-06-30 | 2025-07-02 | 20,000 | — | $0 | 0 | SEC↗ |
| KANT KINETA, INC./DE | D To issuer deriv | 2025-06-30 | 2025-07-02 | 12,500 | — | $0 | 0 | SEC↗ |
| KANT KINETA, INC./DE | D To issuer | 2025-06-30 | 2025-07-02 | 16,571 | — | $0 | 0 | SEC↗ |
| KANT KINETA, INC./DE | A Award | 2025-06-25 | 2025-06-25 | 6,000 | — | $0 | 18,141 | SEC↗ |
| KANT KINETA, INC./DE | M Exercise deriv | 2025-06-23 | 2025-06-25 | 12,500 | — | $0 | 0 | SEC↗ |
| KANT KINETA, INC./DE | F Tax w/h | 2025-06-23 | 2025-06-25 | 4,706 | $0.26 | $1.2K | 12,141 | SEC↗ |
| KANT KINETA, INC./DE | M Exercise | 2025-06-23 | 2025-06-25 | 12,500 | $0.61 | $7.6K | 16,847 | SEC↗ |
| IBIO iBio, Inc. | P Buy | 2025-01-10 | 2025-01-13 | 18,382 | $2.72 | $50.0K | 18,382 | SEC↗ |
| IBIO iBio, Inc. | A Award deriv | 2024-11-21 | 2024-11-25 | 12,600 | — | $0 | 12,600 | SEC↗ |
| KA KINETA, INC./DE | A Award deriv | 2024-09-04 | 2024-09-05 | 12,500 | — | $0 | 12,500 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | S Sale | 2024-02-16 | 2024-02-16 | 3,939 | $1.08 | $4.3K | 182,442 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise deriv | 2024-02-15 | 2024-02-16 | 10,625 | — | $0 | 31,875 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise | 2024-02-15 | 2024-02-16 | 10,625 | — | $0 | 186,381 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | A Award deriv | 2024-02-14 | 2024-02-16 | 287,905 | — | $0 | 287,905 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | A Award deriv | 2024-02-14 | 2024-02-16 | 213,750 | — | $0 | 213,750 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | A Award deriv | 2024-02-14 | 2024-02-16 | 35,625 | — | $0 | 35,625 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | S Sale | 2023-10-30 | 2023-10-31 | 4,066 | $1.35 | $5.5K | 175,756 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise deriv | 2023-10-27 | 2023-10-31 | 13,209 | — | $0 | 13,209 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise | 2023-10-27 | 2023-10-31 | 13,209 | — | $0 | 179,822 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | A Award deriv | 2023-04-27 | 2023-10-31 | 26,418 | — | $0 | 26,418 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | A Award | 2023-04-27 | 2023-05-01 | 42,500 | — | $0 | 166,613 | SEC↗ |
| KA KINETA, INC./DE | A Award deriv | 2023-04-12 | 2023-04-14 | 12,500 | — | $0 | 12,500 | SEC↗ |
| KA KINETA, INC./DE | A Award deriv | 2023-04-12 | 2023-04-14 | 20,000 | — | $0 | 20,000 | SEC↗ |
| FSTX F-star Therapeutics, Inc. | D To issuer deriv | 2023-03-08 | 2023-03-09 | 20,000 | — | $0 | 0 | SEC↗ |
| FSTX F-star Therapeutics, Inc. | D To issuer deriv | 2023-03-08 | 2023-03-09 | 20,000 | — | $0 | 0 | SEC↗ |
| FSTX F-star Therapeutics, Inc. | U Tender | 2023-03-08 | 2023-03-09 | 8,386 | $7.12 | $59.7K | 0 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | A Award deriv | 2023-02-03 | 2023-02-07 | 85,000 | — | $0 | 85,000 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | A Award deriv | 2023-02-03 | 2023-02-07 | 42,500 | — | $0 | 42,500 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | A Award | 2022-10-27 | 2022-10-31 | 42,500 | — | $0 | 112,992 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | A Award | 2022-07-05 | 2022-07-06 | 63,492 | $3.15 | $200.0K | 65,492 | SEC↗ |
| FSTX F-star Therapeutics, Inc. | A Award deriv | 2022-06-17 | 2022-06-22 | 20,000 | — | $0 | 20,000 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise deriv | 2022-06-15 | 2022-10-31 | 5,000 | — | $0 | 0 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise | 2022-06-15 | 2022-10-31 | 5,000 | — | $0 | 70,492 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | A Award deriv | 2022-02-04 | 2022-02-08 | 190,000 | — | $0 | 190,000 | SEC↗ |
| FSTX F-star Therapeutics, Inc. | A Award deriv | 2021-06-04 | 2021-06-07 | 20,000 | — | $0 | 20,000 | SEC↗ |
| YMTX YUMANITY THERAPEUTICS, INC | A Award deriv | 2021-06-02 | 2021-06-04 | 14,800 | — | $0 | 14,800 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | A Award deriv | 2021-06-01 | 2021-06-01 | 270,000 | — | $0 | 270,000 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | A Award deriv | 2021-06-01 | 2021-06-01 | 5,000 | — | $0 | 5,000 | SEC↗ |
| FLXN Flexion Therapeutics Inc | S Sale | 2021-05-10 | 2021-05-12 | 2,229 | $7.23 | $16.1K | 220,719 | SEC↗ |
| FLXN Flexion Therapeutics Inc | A Award deriv | 2021-03-01 | 2021-03-03 | 20,000 | — | $0 | 20,000 | SEC↗ |
| FLXN Flexion Therapeutics Inc | A Award | 2021-03-01 | 2021-03-03 | 30,000 | — | $0 | 181,048 | SEC↗ |
| FLXN Flexion Therapeutics Inc | A Award | 2021-03-01 | 2021-03-03 | 41,900 | — | $0 | 222,948 | SEC↗ |
| FLXN Flexion Therapeutics Inc | S Sale | 2021-01-05 | 2021-01-07 | 6,073 | $11.13 | $67.6K | 151,048 | SEC↗ |
| YMTX YUMANITY THERAPEUTICS, INC | A Award | 2020-12-22 | 2020-12-28 | 4,347 | $23.00 | $100.0K | 4,347 | SEC↗ |
| FSTX F-star Therapeutics, Inc. | J Other deriv | 2020-11-20 | 2023-03-09 | 5,500 | — | $0 | 0 | SEC↗ |
| FSTX F-star Therapeutics, Inc. | J Other deriv | 2020-11-20 | 2023-03-09 | 5,500 | — | $0 | 0 | SEC↗ |
| FSTX F-star Therapeutics, Inc. | J Other deriv | 2020-11-20 | 2023-03-09 | 10,000 | — | $0 | 0 | SEC↗ |
| FSTX F-star Therapeutics, Inc. | J Other deriv | 2020-11-20 | 2023-03-09 | 5,500 | — | $0 | 0 | SEC↗ |
| FSTX F-star Therapeutics, Inc. | J Other deriv | 2020-11-20 | 2023-03-09 | 7,500 | — | $0 | 0 | SEC↗ |
| FSTX F-star Therapeutics, Inc. | J Other deriv | 2020-11-20 | 2023-03-09 | 4,386 | — | $0 | 0 | SEC↗ |
| FSTX F-star Therapeutics, Inc. | J Other deriv | 2020-11-20 | 2023-03-09 | 7,500 | — | $0 | 0 | SEC↗ |
| SBPH F-star Therapeutics, Inc. | J Other deriv | 2020-11-19 | 2020-11-23 | 1,096 | — | $0 | 0 | SEC↗ |
| FLXN Flexion Therapeutics Inc | A Award | 2020-07-16 | 2020-07-20 | 38,750 | — | $0 | 157,121 | SEC↗ |
| PTI PROTEOSTASIS THERAPEUTICS, | A Award deriv | 2020-06-29 | 2020-07-01 | 17,400 | — | $0 | 17,400 | SEC↗ |
| SBPH Spring Bank Pharmaceutical | A Award deriv | 2020-06-24 | 2020-06-25 | 7,500 | — | $0 | 7,500 | SEC↗ |
| FLXN Flexion Therapeutics Inc | A Award | 2020-06-22 | 2020-06-24 | 1,303 | $10.83 | $14.1K | 118,371 | SEC↗ |
| FLXN Flexion Therapeutics Inc | S Sale | 2020-05-07 | 2020-05-11 | 2,413 | $10.88 | $26.3K | 117,068 | SEC↗ |
| FLXN Flexion Therapeutics Inc | A Award deriv | 2020-03-02 | 2020-03-03 | 15,500 | — | $0 | 15,500 | SEC↗ |
| FLXN Flexion Therapeutics Inc | A Award | 2020-03-02 | 2020-03-03 | 31,000 | — | $0 | 119,481 | SEC↗ |
| FLXN Flexion Therapeutics Inc | S Sale | 2020-01-03 | 2020-01-07 | 3,095 | — | $0 | 88,481 | SEC↗ |
| SBPH Spring Bank Pharmaceutical | A Award | 2019-12-31 | 2020-01-02 | 9,098 | — | $0 | 37,929 | SEC↗ |
| SBPH Spring Bank Pharmaceutical | A Award | 2019-09-30 | 2019-10-01 | 4,179 | — | $0 | 28,831 | SEC↗ |
| SBPH Spring Bank Pharmaceutical | A Award deriv | 2019-07-10 | 2019-07-11 | 7,500 | — | $0 | 7,500 | SEC↗ |
| SBPH Spring Bank Pharmaceutical | A Award | 2019-06-28 | 2019-07-01 | 3,896 | — | $0 | 24,652 | SEC↗ |
| FLXN Flexion Therapeutics Inc | A Award | 2019-06-21 | 2019-06-24 | 2,152 | $9.81 | $21.1K | 91,576 | SEC↗ |
| FLXN Flexion Therapeutics Inc | P Buy | 2019-05-31 | 2019-06-03 | 2,500 | $11.05 | $27.6K | 89,424 | SEC↗ |
| FLXN Flexion Therapeutics Inc | P Buy | 2019-05-13 | 2019-05-15 | 4,000 | $11.99 | $48.0K | 86,924 | SEC↗ |
| FLXN Flexion Therapeutics Inc | S Sale | 2019-05-08 | 2019-05-09 | 2,248 | $10.06 | $22.6K | 82,924 | SEC↗ |
| SBPH Spring Bank Pharmaceutical | A Award | 2019-03-29 | 2019-04-02 | 1,370 | — | $0 | 20,756 | SEC↗ |
| PTI PROTEOSTASIS THERAPEUTICS, | A Award deriv | 2019-03-06 | 2019-03-08 | 30,600 | — | $0 | 30,600 | SEC↗ |
| FLXN Flexion Therapeutics Inc | A Award deriv | 2019-03-01 | 2019-03-05 | 18,000 | — | $0 | 18,000 | SEC↗ |
| FLXN Flexion Therapeutics Inc | A Award | 2019-03-01 | 2019-03-05 | 36,000 | — | $0 | 85,172 | SEC↗ |
| FLXN Flexion Therapeutics Inc | J Other | 2018-12-20 | 2019-01-04 | 922 | $10.48 | $9.7K | 49,172 | SEC↗ |
| FLXN Flexion Therapeutics Inc | P Buy | 2018-11-09 | 2018-11-13 | 4,000 | $16.56 | $66.2K | 48,250 | SEC↗ |
| FLXN Flexion Therapeutics Inc | P Buy | 2018-08-09 | 2018-08-10 | 4,000 | $23.42 | $93.7K | 44,250 | SEC↗ |
| SBPH Spring Bank Pharmaceutical | A Award deriv | 2018-06-18 | 2018-06-19 | 5,500 | — | $0 | 5,500 | SEC↗ |
| FLXN Flexion Therapeutics Inc | A Award deriv | 2018-06-01 | 2018-06-04 | 115,000 | — | $0 | 115,000 | SEC↗ |
| FLXN Flexion Therapeutics Inc | A Award | 2018-06-01 | 2018-06-04 | 30,000 | — | $0 | 40,250 | SEC↗ |
| SBPH Spring Bank Pharmaceutical | P Buy | 2017-08-04 | 2017-08-07 | 200 | $12.25 | $2.5K | 17,086 | SEC↗ |
| SBPH Spring Bank Pharmaceutical | P Buy | 2017-08-04 | 2017-08-07 | 2,300 | $12.24 | $28.2K | 19,386 | SEC↗ |
| SBPH Spring Bank Pharmaceutical | A Award deriv | 2017-06-15 | 2017-06-16 | 5,500 | — | $0 | 5,500 | SEC↗ |
| SBPH Spring Bank Pharmaceutical | A Award deriv | 2016-11-23 | 2016-11-23 | 4,386 | — | $0 | 4,386 | SEC↗ |
| SBPH Spring Bank Pharmaceutical | A Award | 2016-11-23 | 2016-11-23 | 4,386 | $9.12 | $40.0K | 16,886 | SEC↗ |
| SBPH Spring Bank Pharmaceutical | A Award deriv | 2016-07-28 | 2016-07-29 | 5,500 | — | $0 | 5,500 | SEC↗ |