CHAI CHRISTOPHER Y
Insider CIK 1413823 · MAPP SVP, Chief Financial Officer · PRNB Chief Financial Officer · SRZN Director
Trades across companies
| Ticker | Code | Trade | Filed | Shares | Price | Value | Owned after | |
|---|---|---|---|---|---|---|---|---|
| SRZN Surrozen, Inc./DE | A Award deriv | 2026-05-13 | 2026-05-14 | 5,550 | — | $0 | 5,550 | SEC↗ |
| SRZN Surrozen, Inc./DE | A Award deriv | 2025-05-14 | 2025-05-15 | 1,333 | — | $0 | 1,333 | SEC↗ |
| SRZN Surrozen, Inc./DE | A Award deriv | 2024-06-05 | 2024-06-06 | 1,333 | — | $0 | 1,333 | SEC↗ |
| SRZN Surrozen, Inc./DE | A Award deriv | 2023-05-18 | 2023-05-19 | 20,000 | — | $0 | 20,000 | SEC↗ |
| SRZN Surrozen, Inc./DE | A Award deriv | 2022-06-07 | 2022-06-09 | 20,000 | — | $0 | 20,000 | SEC↗ |
| PRNB Principia Biopharma Inc. | D To issuer deriv | 2020-09-28 | 2020-09-28 | 34,677 | — | $0 | 0 | SEC↗ |
| PRNB Principia Biopharma Inc. | D To issuer deriv | 2020-09-28 | 2020-09-28 | 13,210 | — | $0 | 0 | SEC↗ |
| PRNB Principia Biopharma Inc. | D To issuer deriv | 2020-09-28 | 2020-09-28 | 29,723 | — | $0 | 0 | SEC↗ |
| PRNB Principia Biopharma Inc. | D To issuer deriv | 2020-09-28 | 2020-09-28 | 24,769 | — | $0 | 0 | SEC↗ |
| PRNB Principia Biopharma Inc. | D To issuer deriv | 2020-09-28 | 2020-09-28 | 56,982 | — | $0 | 0 | SEC↗ |
| PRNB Principia Biopharma Inc. | D To issuer deriv | 2020-09-28 | 2020-09-28 | 55,000 | — | $0 | 0 | SEC↗ |
| PRNB Principia Biopharma Inc. | D To issuer deriv | 2020-09-28 | 2020-09-28 | 60,000 | — | $0 | 0 | SEC↗ |
| PRNB Principia Biopharma Inc. | D To issuer deriv | 2020-09-28 | 2020-09-28 | 44,034 | — | $0 | 0 | SEC↗ |
| PRNB Principia Biopharma Inc. | U Tender | 2020-09-28 | 2020-09-28 | 3,799 | $100.00 | $379.9K | 0 | SEC↗ |
| PRNB Principia Biopharma Inc. | U Tender | 2020-09-28 | 2020-09-28 | 3,302 | $100.00 | $330.2K | 0 | SEC↗ |
| PRNB Principia Biopharma Inc. | M Exercise deriv | 2020-08-18 | 2020-08-20 | 7,500 | — | $0 | 56,982 | SEC↗ |
| PRNB Principia Biopharma Inc. | M Exercise | 2020-08-18 | 2020-08-20 | 7,500 | $3.00 | $22.5K | 11,039 | SEC↗ |
| PRNB Principia Biopharma Inc. | S Sale | 2020-08-18 | 2020-08-20 | 7,500 | $99.37 | $745.3K | 3,539 | SEC↗ |
| PRNB Principia Biopharma Inc. | M Exercise deriv | 2020-05-19 | 2020-05-21 | 5,675 | — | $0 | 64,482 | SEC↗ |
| PRNB Principia Biopharma Inc. | S Sale | 2020-05-19 | 2020-05-21 | 7,500 | $65.10 | $488.2K | 3,539 | SEC↗ |
| PRNB Principia Biopharma Inc. | M Exercise | 2020-05-19 | 2020-05-21 | 5,675 | $3.00 | $17.0K | 11,039 | SEC↗ |
| PRNB Principia Biopharma Inc. | A Award deriv | 2020-03-05 | 2020-03-05 | 55,000 | — | $0 | 55,000 | SEC↗ |
| PRNB Principia Biopharma Inc. | M Exercise deriv | 2020-02-18 | 2020-02-20 | 2,500 | — | $0 | 70,157 | SEC↗ |
| PRNB Principia Biopharma Inc. | S Sale | 2020-02-18 | 2020-02-20 | 2,240 | $68.13 | $152.6K | 4,842 | SEC↗ |
| PRNB Principia Biopharma Inc. | M Exercise | 2020-02-18 | 2020-02-20 | 2,500 | $3.00 | $7.5K | 12,266 | SEC↗ |
| PRNB Principia Biopharma Inc. | S Sale | 2020-02-18 | 2020-02-20 | 2,684 | $63.86 | $171.4K | 9,582 | SEC↗ |
| PRNB Principia Biopharma Inc. | S Sale | 2020-02-18 | 2020-02-20 | 545 | $64.91 | $35.4K | 9,037 | SEC↗ |
| PRNB Principia Biopharma Inc. | S Sale | 2020-02-18 | 2020-02-20 | 1,350 | $65.94 | $89.0K | 7,687 | SEC↗ |
| PRNB Principia Biopharma Inc. | S Sale | 2020-02-18 | 2020-02-20 | 76 | $68.52 | $5.2K | 4,766 | SEC↗ |
| PRNB Principia Biopharma Inc. | S Sale | 2020-02-18 | 2020-02-20 | 605 | $67.08 | $40.6K | 7,082 | SEC↗ |
| PRNB Principia Biopharma Inc. | A Award deriv | 2019-03-01 | 2019-03-08 | 60,000 | — | $0 | 60,000 | SEC↗ |
| MAPP MAP Pharmaceuticals, Inc. | D To issuer deriv | 2013-03-01 | 2013-03-04 | 75,000 | — | $0 | 0 | SEC↗ |
| MAPP MAP Pharmaceuticals, Inc. | D To issuer deriv | 2013-03-01 | 2013-03-04 | 4,500 | — | $0 | 0 | SEC↗ |
| MAPP MAP Pharmaceuticals, Inc. | D To issuer deriv | 2013-03-01 | 2013-03-04 | 32,500 | — | $0 | 0 | SEC↗ |
| MAPP MAP Pharmaceuticals, Inc. | D To issuer deriv | 2013-03-01 | 2013-03-04 | 27,500 | — | $0 | 0 | SEC↗ |
| MAPP MAP Pharmaceuticals, Inc. | D To issuer deriv | 2013-03-01 | 2013-03-04 | 55,000 | — | $0 | 0 | SEC↗ |
| MAPP MAP Pharmaceuticals, Inc. | D To issuer deriv | 2013-03-01 | 2013-03-04 | 8,250 | — | $0 | 0 | SEC↗ |
| MAPP MAP Pharmaceuticals, Inc. | D To issuer deriv | 2013-03-01 | 2013-03-04 | 60,000 | — | $0 | 0 | SEC↗ |
| MAPP MAP Pharmaceuticals, Inc. | D To issuer deriv | 2013-03-01 | 2013-03-04 | 47,296 | — | $0 | 0 | SEC↗ |
| MAPP MAP Pharmaceuticals, Inc. | D To issuer deriv | 2013-03-01 | 2013-03-04 | 11,299 | — | $0 | 0 | SEC↗ |
| MAPP MAP Pharmaceuticals, Inc. | D To issuer deriv | 2013-03-01 | 2013-03-04 | 23,122 | — | $0 | 0 | SEC↗ |
| MAPP MAP Pharmaceuticals, Inc. | U Tender | 2013-03-01 | 2013-03-04 | 14,220 | $25.00 | $355.5K | 0 | SEC↗ |
| MAPP MAP Pharmaceuticals, Inc. | M Exercise deriv | 2013-01-26 | 2013-01-29 | 2,250 | — | $0 | 4,500 | SEC↗ |
| MAPP MAP Pharmaceuticals, Inc. | F Tax w/h | 2013-01-26 | 2013-01-29 | 873 | $24.75 | $21.6K | 13,899 | SEC↗ |
| MAPP MAP Pharmaceuticals, Inc. | M Exercise | 2013-01-26 | 2013-01-29 | 2,250 | — | $0 | 14,772 | SEC↗ |
| MAPP MAP Pharmaceuticals, Inc. | M Exercise deriv | 2013-01-25 | 2013-01-29 | 2,750 | — | $0 | 8,250 | SEC↗ |
| MAPP MAP Pharmaceuticals, Inc. | M Exercise | 2013-01-25 | 2013-01-29 | 2,750 | — | $0 | 13,729 | SEC↗ |
| MAPP MAP Pharmaceuticals, Inc. | F Tax w/h | 2013-01-25 | 2013-01-29 | 1,207 | $24.75 | $29.9K | 12,522 | SEC↗ |
| MAPP MAP Pharmaceuticals, Inc. | M Exercise deriv | 2012-01-26 | 2012-01-27 | 2,250 | — | $0 | 6,750 | SEC↗ |
| MAPP MAP Pharmaceuticals, Inc. | M Exercise | 2012-01-26 | 2012-01-27 | 2,250 | — | $0 | 10,813 | SEC↗ |
| MAPP MAP Pharmaceuticals, Inc. | F Tax w/h | 2012-01-26 | 2012-01-27 | 943 | $13.84 | $13.1K | 9,870 | SEC↗ |
| MAPP MAP Pharmaceuticals, Inc. | A Award deriv | 2012-01-25 | 2012-01-27 | 11,000 | — | $0 | 11,000 | SEC↗ |
| MAPP MAP Pharmaceuticals, Inc. | A Award deriv | 2012-01-25 | 2012-01-27 | 32,500 | — | $0 | 32,500 | SEC↗ |