York Charles N II

CIK 00016559622 companiesBRISBANE, CA

SEC Profile

Transactions

Companies

Filings

CIK

0001655962

Recent Transactions

50 trades

Disposition to Issuer
Day One Biopharmaceuticals, Inc.$DAWN
Restricted Stock Unit (RSU)
2026-04-23−118,125→ 0 total
Disposition to Issuer
Day One Biopharmaceuticals, Inc.$DAWN
Stock Option (right to buy Common Stock)
2026-04-23−188,000→ 0 total
Disposition to Issuer
Day One Biopharmaceuticals, Inc.$DAWN
Restricted Stock Unit (RSU)
2026-04-23−72,875→ 0 total
Disposition to Issuer
Day One Biopharmaceuticals, Inc.$DAWN
Stock Option (right to buy Common Stock)
2026-04-23−116,000→ 0 total
Disposition to Issuer
Day One Biopharmaceuticals, Inc.$DAWN
Restricted Stock Unit (RSU)
2026-04-23−6,750→ 0 total
Disposition to Issuer
Day One Biopharmaceuticals, Inc.$DAWN
Stock Option (right to buy Common Stock)
2026-04-23−497,667→ 0 total
Disposition to Issuer
Day One Biopharmaceuticals, Inc.$DAWN
Restricted Stock Unit (RSU)
2026-04-23−46,375→ 0 total
Disposition to Issuer
Day One Biopharmaceuticals, Inc.$DAWN
Stock Option (right to buy Common Stock)
2026-04-23−162,000→ 0 total
Disposition to Issuer
Day One Biopharmaceuticals, Inc.$DAWN
Stock Option (right to buy Common Stock)
2026-04-23−162,000→ 0 total
Disposition to Issuer
Day One Biopharmaceuticals, Inc.$DAWN
Common Stock
2026-04-23−312,025→ 0 total
Disposition to Issuer
Day One Biopharmaceuticals, Inc.$DAWN
Stock Option (right to buy Common Stock)
2026-04-23−151,000→ 0 total
Sale
Day One Biopharmaceuticals, Inc.$DAWN
Common Stock
2026-02-17$11.60/sh−6,065→ 312,025 total
Exercise/Conversion
Day One Biopharmaceuticals, Inc.$DAWN
Restricted Stock Unit (RSU)
2026-02-15−6,625→ 46,375 total
Exercise/Conversion
Day One Biopharmaceuticals, Inc.$DAWN
Common Stock
2026-02-15+6,625→ 310,215 total
Exercise/Conversion
Day One Biopharmaceuticals, Inc.$DAWN
Common Stock
2026-02-15+7,875→ 318,090 total
Exercise/Conversion
Day One Biopharmaceuticals, Inc.$DAWN
Restricted Stock Unit (RSU)
2026-02-15−7,875→ 118,125 total
Exercise/Conversion
Day One Biopharmaceuticals, Inc.$DAWN
Restricted Stock Unit (RSU)
2026-02-15−6,625→ 72,875 total
Exercise/Conversion
Day One Biopharmaceuticals, Inc.$DAWN
Common Stock
2026-02-15+6,625→ 303,590 total
Exercise/Conversion
Day One Biopharmaceuticals, Inc.$DAWN
Restricted Stock Unit (RSU)
2026-02-15−2,250→ 6,750 total
Exercise/Conversion
Day One Biopharmaceuticals, Inc.$DAWN
Common Stock
2026-02-15+2,250→ 296,965 total
Award
Day One Biopharmaceuticals, Inc.$DAWN
Restricted Stock Units
2026-01-30+126,000→ 126,000 total
Award
Day One Biopharmaceuticals, Inc.$DAWN
Stock Option (right to buy Common Stock)
2026-01-30+188,000→ 188,000 total
Sale
Day One Biopharmaceuticals, Inc.$DAWN
Common Stock
2025-11-17$8.91/sh−4,062→ 294,715 total
Exercise/Conversion
Day One Biopharmaceuticals, Inc.$DAWN
Common Stock
2025-11-15+1,375→ 283,277 total
Exercise/Conversion
Day One Biopharmaceuticals, Inc.$DAWN
Restricted Stock Unit (RSU)
2025-11-15−6,625→ 53,000 total
Exercise/Conversion
Day One Biopharmaceuticals, Inc.$DAWN
Common Stock
2025-11-15+6,625→ 298,777 total
Exercise/Conversion
Day One Biopharmaceuticals, Inc.$DAWN
Restricted Stock Unit (RSU)
2025-11-15−1,375→ 0 total
Exercise/Conversion
Day One Biopharmaceuticals, Inc.$DAWN
Restricted Stock Unit (RSU)
2025-11-15−2,250→ 9,000 total
Exercise/Conversion
Day One Biopharmaceuticals, Inc.$DAWN
Common Stock
2025-11-15+2,250→ 285,527 total
Exercise/Conversion
Day One Biopharmaceuticals, Inc.$DAWN
Restricted Stock Unit (RSU)
2025-11-15−6,625→ 79,500 total
Exercise/Conversion
Day One Biopharmaceuticals, Inc.$DAWN
Common Stock
2025-11-15+6,625→ 292,152 total
Award
Day One Biopharmaceuticals, Inc.$DAWN
Stock Option (right to buy Common Stock)
2025-11-06+497,667→ 497,667 total
Disposition to Issuer
Day One Biopharmaceuticals, Inc.$DAWN
Stock Option (right to buy Common Stock)
2025-11-06−162,000→ 0 total
Award
Day One Biopharmaceuticals, Inc.$DAWN
Stock Option (right to buy Common Stock)
2025-11-06+151,000→ 151,000 total
Award
Day One Biopharmaceuticals, Inc.$DAWN
Stock Option (right to buy Common Stock)
2025-11-06+162,000→ 162,000 total
Disposition to Issuer
Day One Biopharmaceuticals, Inc.$DAWN
Stock Option (right to buy Common Stock)
2025-11-06−151,000→ 0 total
Award
Day One Biopharmaceuticals, Inc.$DAWN
Stock Option (right to buy Common Stock)
2025-11-06+116,000→ 116,000 total
Disposition to Issuer
Day One Biopharmaceuticals, Inc.$DAWN
Stock Option (right to buy Common Stock)
2025-11-06−116,000→ 0 total
Disposition to Issuer
Day One Biopharmaceuticals, Inc.$DAWN
Stock Option (right to buy Common Stock)
2025-11-06−497,667→ 0 total
Disposition to Issuer
Day One Biopharmaceuticals, Inc.$DAWN
Stock Option (right to buy Common Stock)
2025-11-06−162,000→ 0 total
Award
Day One Biopharmaceuticals, Inc.$DAWN
Stock Option (right to buy Common Stock)
2025-11-06+162,000→ 162,000 total
Sale
Day One Biopharmaceuticals, Inc.$DAWN
Common Stock
2025-08-18$6.77/sh−4,106→ 278,000 total
Exercise/Conversion
Day One Biopharmaceuticals, Inc.$DAWN
Restricted Stock Unit (RSU)
2025-08-15−6,625→ 86,125 total
Exercise/Conversion
Day One Biopharmaceuticals, Inc.$DAWN
Common Stock
2025-08-15+6,625→ 282,106 total
Exercise/Conversion
Day One Biopharmaceuticals, Inc.$DAWN
Restricted Stock Unit (RSU)
2025-08-15−2,250→ 11,250 total
Exercise/Conversion
Day One Biopharmaceuticals, Inc.$DAWN
Common Stock
2025-08-15+2,250→ 268,856 total
Exercise/Conversion
Day One Biopharmaceuticals, Inc.$DAWN
Common Stock
2025-08-15+1,375→ 266,606 total
Exercise/Conversion
Day One Biopharmaceuticals, Inc.$DAWN
Common Stock
2025-08-15+6,625→ 275,481 total
Exercise/Conversion
Day One Biopharmaceuticals, Inc.$DAWN
Restricted Stock Unit (RSU)
2025-08-15−6,625→ 59,625 total
Exercise/Conversion
Day One Biopharmaceuticals, Inc.$DAWN
Restricted Stock Unit (RSU)
2025-08-15−1,375→ 1,375 total

Companies

Recent Filings

Address

1800 SIERRA POINT PARKWAY, SUITE 200

BRISBANE, CA, 94005

View on SEC.gov