CHAI CHRISTOPHER Y

CIK 00014138233 companiesSOUTH SAN FRANCISCO, CA

SEC Profile

Transactions

Companies

Filings

CIK

0001413823

Recent Transactions

50 trades

Award
Surrozen, Inc./DE$SRZN
Director Stock Option (right to buy)
2026-05-13+5,550→ 5,550 total
Award
Surrozen, Inc./DE$SRZN
Option (right to buy)
2025-05-14+1,333→ 1,333 total
Award
Surrozen, Inc./DE$SRZN
Option (right to buy)
2024-06-05+1,333→ 1,333 total
Award
Surrozen, Inc./DE$SRZN
Option (right to buy)
2023-05-18+20,000→ 20,000 total
Award
Surrozen, Inc./DE$SRZN
Option (right to buy)
2022-06-07+20,000→ 20,000 total
Disposition to Issuer
Principia Biopharma Inc.
Employee Stock Option (right to buy)
2020-09-28−24,769→ 0 total
Disposition from Tender
Principia Biopharma Inc.
Common Stock
2020-09-28$100.00/sh−3,799→ 0 total
Disposition to Issuer
Principia Biopharma Inc.
Employee Stock Option (right to buy)
2020-09-28−55,000→ 0 total
Disposition to Issuer
Principia Biopharma Inc.
Employee Stock Option (right to buy)
2020-09-28−34,677→ 0 total
Disposition to Issuer
Principia Biopharma Inc.
Employee Stock Option (right to buy)
2020-09-28−56,982→ 0 total
Disposition from Tender
Principia Biopharma Inc.
Common Stock
2020-09-28$100.00/sh−3,302→ 0 total
Disposition to Issuer
Principia Biopharma Inc.
Employee Stock Option (right to buy)
2020-09-28−13,210→ 0 total
Disposition to Issuer
Principia Biopharma Inc.
Employee Stock Option (right to buy)
2020-09-28−29,723→ 0 total
Disposition to Issuer
Principia Biopharma Inc.
Employee Stock Option (right to buy)
2020-09-28−60,000→ 0 total
Disposition to Issuer
Principia Biopharma Inc.
Employee Stock Option (right to buy)
2020-09-28−44,034→ 0 total
Exercise/Conversion
Principia Biopharma Inc.
Common Stock
2020-08-18$3.00/sh+7,500→ 11,039 total
Sale
Principia Biopharma Inc.
Common Stock
2020-08-18$99.37/sh−7,500→ 3,539 total
Exercise/Conversion
Principia Biopharma Inc.
Employee Stock Option (right to buy)
2020-08-18−7,500→ 56,982 total
Sale
Principia Biopharma Inc.
Common Stock
2020-05-19$65.10/sh−7,500→ 3,539 total
Exercise/Conversion
Principia Biopharma Inc.
Common Stock
2020-05-19$3.00/sh+5,675→ 11,039 total
Exercise/Conversion
Principia Biopharma Inc.
Employee Stock Option (right to buy)
2020-05-19−5,675→ 64,482 total
Award
Principia Biopharma Inc.
Employee Stock Option (right to buy)
2020-03-05+55,000→ 55,000 total
Sale
Principia Biopharma Inc.
Common Stock
2020-02-18$63.86/sh−2,684→ 9,582 total
Sale
Principia Biopharma Inc.
Common Stock
2020-02-18$67.08/sh−605→ 7,082 total
Exercise/Conversion
Principia Biopharma Inc.
Common Stock
2020-02-18$3.00/sh+2,500→ 12,266 total
Exercise/Conversion
Principia Biopharma Inc.
Employee Stock Option (right to buy)
2020-02-18−2,500→ 70,157 total
Sale
Principia Biopharma Inc.
Common Stock
2020-02-18$64.91/sh−545→ 9,037 total
Sale
Principia Biopharma Inc.
Common Stock
2020-02-18$65.94/sh−1,350→ 7,687 total
Sale
Principia Biopharma Inc.
Common Stock
2020-02-18$68.13/sh−2,240→ 4,842 total
Sale
Principia Biopharma Inc.
Common Stock
2020-02-18$68.52/sh−76→ 4,766 total
Award
Principia Biopharma Inc.
Employee Stock Option (right to buy)
2019-03-01+60,000→ 60,000 total
Disposition to Issuer
MAP Pharmaceuticals, Inc.
Stock Option (Right to Buy)
2013-03-01−75,000→ 0 total
Disposition to Issuer
MAP Pharmaceuticals, Inc.
Stock Option (Right to Buy)
2013-03-01−27,500→ 0 total
Disposition to Issuer
MAP Pharmaceuticals, Inc.
Restricted Stock Unit (RSU)
2013-03-01−4,500→ 0 total
Disposition to Issuer
MAP Pharmaceuticals, Inc.
Stock Option (Right to Buy)
2013-03-01−47,296→ 0 total
Disposition to Issuer
MAP Pharmaceuticals, Inc.
Stock Option (Right to Buy)
2013-03-01−60,000→ 0 total
Disposition to Issuer
MAP Pharmaceuticals, Inc.
Restricted Stock Unit (RSU)
2013-03-01−8,250→ 0 total
Disposition to Issuer
MAP Pharmaceuticals, Inc.
Stock Option (Right to Buy)
2013-03-01−23,122→ 0 total
Disposition to Issuer
MAP Pharmaceuticals, Inc.
Stock Option (Right to Buy)
2013-03-01−32,500→ 0 total
Disposition to Issuer
MAP Pharmaceuticals, Inc.
Stock Option (Right to Buy)
2013-03-01−11,299→ 0 total
Disposition to Issuer
MAP Pharmaceuticals, Inc.
Stock Option (Right to Buy)
2013-03-01−55,000→ 0 total
Disposition from Tender
MAP Pharmaceuticals, Inc.
Common Stock
2013-03-01$25.00/sh−14,220→ 0 total
Exercise/Conversion
MAP Pharmaceuticals, Inc.
Common Stock
2013-01-26+2,250→ 14,772 total
Tax Payment
MAP Pharmaceuticals, Inc.
Common Stock
2013-01-26$24.75/sh−873→ 13,899 total
Exercise/Conversion
MAP Pharmaceuticals, Inc.
Restricted Stock Unit (RSU)
2013-01-26−2,250→ 4,500 total
Exercise/Conversion
MAP Pharmaceuticals, Inc.
Restricted Stock Unit (RSU)
2013-01-25−2,750→ 8,250 total
Tax Payment
MAP Pharmaceuticals, Inc.
Common Stock
2013-01-25$24.75/sh−1,207→ 12,522 total
Exercise/Conversion
MAP Pharmaceuticals, Inc.
Common Stock
2013-01-25+2,750→ 13,729 total
Other
MAP Pharmaceuticals, Inc.
Common Stock
2012-11-20$9.89/sh+556→ 10,979 total
Other
MAP Pharmaceuticals, Inc.
Common Stock
2012-05-20$9.81/sh+553→ 10,423 total

Companies

Recent Filings

Address

C/O SURROZEN, INC. 171 OYSTER POINT BLVD., SUITE 400

SOUTH SAN FRANCISCO, CA, 94080

View on SEC.gov