Key facts
- This page summarizes Samuel C. Blackman's Form 4 filing for Day One Biopharmaceuticals, Inc. (DAWN).
- 7 reported transactions and 3 derivative rows are listed below.
- Accepted by SEC: 17 May 2024, 18:18.
Samuel C. Blackman - 15 May 2024 Form 4 Insider Report for Day One Biopharmaceuticals, Inc. (DAWN)
- Reporting relationship
- HEAD OF R&D
- Issuer ticker
- DAWN
- Reported as of
- 15 May 2024
- Net transaction value
- -$36,450
- SEC form
- 4
- Accepted by SEC
- 17 May 2024, 18:18:44 UTC
- Prior SEC filing
- 14 May 2024
- Next SEC filing
- 12 Jun 2024
- Source filing
- View source filing
- Reporting owner signature
- /s/ Charles N. York II, as Attorney-in-Fact
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Samuel C. Blackman filed Form 4 for Day One Biopharmaceuticals, Inc. (DAWN) on 17 May 2024.
Change
- Previous filing in this sequence was filed on 14 May 2024.
- Current net transaction value: -$36,450.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
DAWN
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +1,187
- Change %
- +0.1%
- Price
- Shares after
- 1,165,849
- Date
- 15 May 2024
- Ownership
- Direct
- Footnotes
- F1
DAWN
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +1,437
- Change %
- +0.12%
- Price
- Shares after
- 1,167,286
- Date
- 15 May 2024
- Ownership
- Direct
- Footnotes
- F1
DAWN
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +6,062
- Change %
- +0.52%
- Price
- Shares after
- 1,173,348
- Date
- 15 May 2024
- Ownership
- Direct
- Footnotes
- F1
DAWN
transaction
Common Stock
Sale
- Transaction value
- $36,450
- Shares
- -2,267
- Change %
- -0.19%
- Price
- $16.08
- Shares after
- 1,171,081
- Date
- 16 May 2024
- Ownership
- Direct
- Footnotes
- F2
DAWN
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 1,000,000
- Date
- 15 May 2024
- Ownership
- See footnote
- Footnotes
- F3
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
DAWN
transaction
Derivative
Restricted Stock Unit (RSU)
Options Exercise
- Transaction value
- $0
- Shares
- -1,187
- Change %
- -14%
- Price
- $0.000000
- Shares after
- 7,130
- Date
- 15 May 2024
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 1,187
- Exercise price
- Footnotes
- F1, F4
DAWN
transaction
Derivative
Restricted Stock Unit (RSU)
Options Exercise
- Transaction value
- $0
- Shares
- -1,437
- Change %
- -9.1%
- Price
- $0.000000
- Shares after
- 14,378
- Date
- 15 May 2024
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 1,437
- Exercise price
- Footnotes
- F1, F4
DAWN
transaction
Derivative
Restricted Stock Unit (RSU)
Options Exercise
- Transaction value
- $0
- Shares
- -6,062
- Change %
- -6.7%
- Price
- $0.000000
- Shares after
- 84,876
- Date
- 15 May 2024
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 6,062
- Exercise price
- Footnotes
- F1, F4
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 4 footnotes
Footnote F1
Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of the Issuer's Common Stock upon settlement for no consideration.
Footnote F2
The sale of shares is for the sole purpose of covering the Reporting Person's tax liability with respect to the settlement of RSUs.
Footnote F3
The Reporting Person is the sole manager, and has shared voting and dispositive power with his wife as members. The Reporting Person continues to report beneficial ownership of all of the Issuer's Common Stock held by the 2021 Blackman Family LLC but disclaims beneficial ownership except to the extent of his and his wife's pecuniary interest therein.
Footnote F4
The RSUs will vest as to 1/16th of the total award in quarterly installments on February 15, May 15, August 15 and November 15, subject to the Reporting Person's provision of service to the Issuer on each vesting date.