Mardi Dier - 09 May 2023 Form 4 Insider Report for ACELYRIN, Inc. (SLRN)

Reporting relationship: CFO and CBO
Issuer ticker: SLRN
Reported as of: 09 May 2023
Net transaction value: +$131,508
SEC form: 4
Accepted by SEC: 11 May 2023, 20:51:59 UTC
Prior SEC filing: 04 May 2023
Next SEC filing: 15 Jun 2023
Source filing: View source filing
Reporting owner signature: /s/ Mina Kim, Attorney-in-fact

Key filing fact

Mardi Dier filed Form 4 for ACELYRIN, Inc. (SLRN) on 11 May 2023.

Key facts

This page summarizes Mardi Dier's Form 4 filing for ACELYRIN, Inc. (SLRN).
7 reported transactions and 4 derivative rows are listed below.
Accepted by SEC: 11 May 2023, 20:51.

Change

Previous filing in this sequence was filed on 04 May 2023.
Current net transaction value: +$131,508.

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

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

SLRN transaction

Common Stock

Purchase

Transaction value: $100,008
Shares: +5,556
Change %
Price: $18.00
Shares after: 5,556
Date: 09 May 2023
Ownership: Direct
Footnotes: F1

SLRN transaction

Common Stock

Purchase

Transaction value: $15,750
Shares: +875
Change %
Price: $18.00
Shares after: 875
Date: 09 May 2023
Ownership: See footnote
Footnotes: F1, F2

SLRN transaction

Common Stock

Purchase

Transaction value: $15,750
Shares: +875
Change %
Price: $18.00
Shares after: 875
Date: 09 May 2023
Ownership: See footnote
Footnotes: F1, F3

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

SLRN transaction Derivative

Employee Stock Option (right to buy)

Other

Transaction value: $0
Shares: -673,621
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 09 May 2023
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 673,621
Exercise price: $5.88
Footnotes: F4, F5

SLRN transaction Derivative

Employee Stock Option (right to buy)

Other

Transaction value: $0
Shares: +673,621
Change %
Price: $0.000000
Shares after: 673,621
Date: 09 May 2023
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 673,621
Exercise price: $5.88
Footnotes: F4, F5

SLRN transaction Derivative

Employee Stock Option (right to buy)

Other

Transaction value: $0
Shares: -85,226
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 09 May 2023
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 85,226
Exercise price: $18.00
Footnotes: F4, F6

SLRN transaction Derivative

Employee Stock Option (right to buy)

Other

Transaction value: $0
Shares: +85,226
Change %
Price: $0.000000
Shares after: 85,226
Date: 09 May 2023
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 85,226
Exercise price: $18.00
Footnotes: F4, F6

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 6 footnotes

Footnote F1

Reflects shares purchased through a directed share program in the Issuer's initial public offering of Common Stock (the "IPO").

Footnote F2

The shares are held of record by one of the Reporting Person's children.

Footnote F3

The shares are held of record by another one of the Reporting Person's children.

Footnote F4

Each share of Class A Common Stock was reclassified into one share of Common Stock immediately prior to the completion of the IPO.

Footnote F5

1/4 of the shares subject to the option vest on November 15, 2023, and 1/48 of the shares subject to the option vests in equal monthly installments thereafter, subject to the Reporting Person's continued service.

Footnote F6

1/4 of the shares subject to the option vest on May 4, 2024, and 1/48 of the shares subject to the option vest in equal monthly installments thereafter, subject to the Reporting Person's continued service.