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Alamar Biosciences (ALMR) CEO details share, option and preferred holdings

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
3

Rhea-AI Filing Summary

Alamar Biosciences, Inc. Chief Executive Officer Luo Yuling filed an initial statement of beneficial ownership, listing existing share and option positions as of April 16, 2026. The filing shows direct and indirect holdings of Class A and Class B Common Stock, preferred stock, and multiple vested and time-vesting stock options.

Positive

  • None.

Negative

  • None.
Insider Luo Yuling
Role Chief Executive Officer
Type Security Shares Price Value
holding Class A Common Stock -- -- --
holding Class A Common Stock -- -- --
holding Founders Preferred Stock -- -- --
holding Series A-1 Preferred Stock -- -- --
holding Stock Option (Right to Buy) -- -- --
holding Stock Option (Right to Buy) -- -- --
holding Stock Option (Right to Buy) -- -- --
holding Stock Option (Right to Buy) -- -- --
holding Stock Option (Right to Buy) -- -- --
holding Stock Option (Right to Buy) -- -- --
holding Stock Option (Right to Buy) -- -- --
holding Stock Option (Right to Buy) -- -- --
holding Class B Common Stock -- -- --
Holdings After Transaction: Class A Common Stock — 1,020,742 shares (Direct, null); Class A Common Stock — 1,224,152 shares (Indirect, By Spouse); Founders Preferred Stock — 366,004 shares (Direct, null); Series A-1 Preferred Stock — 364,268 shares (Direct, null); Stock Option (Right to Buy) — 266,311 shares (Direct, null); Class B Common Stock — 113,051 shares (Direct, null)
Footnotes (1)
  1. Each share of Class A Common Stock and Founders Preferred Stock is convertible into shares of Class B Common Stock on a 1-for-1 basis, at the holder's election, and will automatically convert into shares of Class B Common Stock immediately prior to the closing of the Issuer's initial public offering. The Class A Common Stock has no expiration date. The preferred stock is convertible into shares of Class B Common Stock on a 1-for-2.418 basis, at the holder's election, and will automatically convert into shares of the Issuer's common stock upon the closing of the initial public offering pursuant to their terms. The preferred stock has no expiration date. Fully vested. The shares subject to the option vest in equal monthly installments over 48 months measured from January 1, 2023, subject to the reporting person's continuous service as of each such vesting date. The shares subject to the option vest in equal monthly installments over 48 months measured from January 1, 2024, subject to the reporting person's continuous service as of each such vesting date. The shares subject to the option vest in equal monthly installments over 48 months measured from January 16, 2025, subject to the reporting person's continuous service as of each such vesting date. The shares subject to the option vest in equal monthly installments over 48 months measured from January 1, 2025, subject to the reporting person's continuous service as of each such vesting date. The shares subject to the option vest in equal monthly installments over 48 months measured from January 1, 2026, subject to the reporting person's continuous service as of each such vesting date.
Direct Class B Common Stock 113,051 shares Direct Class B Common Stock held as of April 16, 2026
Direct Class A Common Stock 1,020,742 shares Direct Class A Common Stock held as of April 16, 2026
Indirect Class A Common Stock 1,224,152 shares Class A Common Stock held indirectly by spouse as of April 16, 2026
Option at $7.6000 42,334 underlying shares Stock Option on Class B Common Stock, exercise price $7.6000, expiring January 14, 2036
Large option at $3.3400 1,033,912 underlying shares Stock Option on Class B Common Stock, exercise price $3.3400, expiring January 15, 2035
Series A-1 Preferred Stock 364,268 underlying shares Series A-1 Preferred convertible into Class B Common Stock on 1-for-2.418 basis
Founders Preferred Stock 366,004 underlying shares Founders Preferred Stock convertible into Class B Common Stock on 1-for-1 basis
Vesting schedule length 48 months Options vest in equal monthly installments over 48 months from specified start dates
Class B Common Stock financial
"Each share of Class A Common Stock and Founders Preferred Stock is convertible into shares of Class B Common Stock"
A class B common stock is one of multiple types of a company’s ordinary shares that carries specific rights—often different voting power or dividend priority—compared with other classes. For investors it matters because those differences affect how much influence you have over company decisions, the income you might receive, and how freely the shares trade; think of it like owning a car with different keys: some keys let you start the engine and open the trunk, others only unlock the door.
Stock Option (Right to Buy) financial
"Stock Option (Right to Buy) ... underlying security title Class B Common Stock"
Founders Preferred Stock financial
"Founders Preferred Stock is convertible into shares of Class B Common Stock on a 1-for-1 basis"
Series A-1 Preferred Stock financial
"The preferred stock is convertible into shares of Class B Common Stock on a 1-for-2.418 basis"
Series A-1 preferred stock is a specific class of company shares created in an early financing round that typically gives its holders priority over common shareholders for dividends and money if the company is sold or liquidates. Think of it as a special ticket with upfront privileges — often convertible into ordinary shares and sometimes carrying voting or protective rights — so investors use it to reduce risk and preserve control compared with ordinary stock.
initial public offering financial
"will automatically convert into shares of Class B Common Stock immediately prior to the closing of the Issuer's initial public offering"
An initial public offering (IPO) is when a private company first sells its shares to the public and becomes a stock-listed company. It matters because it allows the company to raise money from a wide range of investors, helping it grow, while giving early shareholders a way to sell some of their ownership.
vest in equal monthly installments financial
"The shares subject to the option vest in equal monthly installments over 48 months"
SEC Form 3
FORM 3UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0104
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hours per response:0.5
1. Name and Address of Reporting Person*
Luo Yuling

(Last)(First)(Middle)
C/O ALAMAR BIOSCIENCES, INC.
47071 BAYSIDE PARKWAY

(Street)
FREMONT CALIFORNIA 94538

(City)(State)(Zip)

UNITED STATES

(Country)
2. Date of Event Requiring Statement (Month/Day/Year)
04/16/2026
3. Issuer Name and Ticker or Trading Symbol
Alamar Biosciences, Inc. [ ALMR ]
3a. Foreign Trading Symbol
5. If Amendment, Date of Original Filed (Month/Day/Year)
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
XOfficer (give title below)Other (specify below)
Chief Executive Officer
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Class B Common Stock113,051D
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year)3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date ExercisableExpiration DateTitleAmount or Number of Shares
Class A Common Stock (1) (1)Class B Common Stock1,020,742(1)D
Class A Common Stock (1) (1)Class B Common Stock1,224,152(1)IBy Spouse
Founders Preferred Stock (1) (1)Class B Common Stock366,004(1)D
Series A-1 Preferred Stock (2) (2)Class B Common Stock364,268(2)D
Stock Option (Right to Buy) (3)02/15/2027Class B Common Stock266,311$2.51D
Stock Option (Right to Buy) (3)02/15/2027Class B Common Stock25,310$2.51D
Stock Option (Right to Buy) (4)01/17/2033Class B Common Stock23,986$1.53D
Stock Option (Right to Buy) (3)04/24/2033Class B Common Stock20,023$1.53D
Stock Option (Right to Buy) (5)04/16/2034Class B Common Stock27,700$3.34D
Stock Option (Right to Buy) (6)01/15/2035Class B Common Stock1,033,912$3.34D
Stock Option (Right to Buy) (7)01/15/2035Class B Common Stock37,086$3.34D
Stock Option (Right to Buy) (8)01/14/2036Class B Common Stock42,334$7.6D
Explanation of Responses:
1. Each share of Class A Common Stock and Founders Preferred Stock is convertible into shares of Class B Common Stock on a 1-for-1 basis, at the holder's election, and will automatically convert into shares of Class B Common Stock immediately prior to the closing of the Issuer's initial public offering. The Class A Common Stock has no expiration date.
2. The preferred stock is convertible into shares of Class B Common Stock on a 1-for-2.418 basis, at the holder's election, and will automatically convert into shares of the Issuer's common stock upon the closing of the initial public offering pursuant to their terms. The preferred stock has no expiration date.
3. Fully vested.
4. The shares subject to the option vest in equal monthly installments over 48 months measured from January 1, 2023, subject to the reporting person's continuous service as of each such vesting date.
5. The shares subject to the option vest in equal monthly installments over 48 months measured from January 1, 2024, subject to the reporting person's continuous service as of each such vesting date.
6. The shares subject to the option vest in equal monthly installments over 48 months measured from January 16, 2025, subject to the reporting person's continuous service as of each such vesting date.
7. The shares subject to the option vest in equal monthly installments over 48 months measured from January 1, 2025, subject to the reporting person's continuous service as of each such vesting date.
8. The shares subject to the option vest in equal monthly installments over 48 months measured from January 1, 2026, subject to the reporting person's continuous service as of each such vesting date.
/s/ Justin J. McAnear, Attorney-in-Fact04/16/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)

FAQ

What does Alamar Biosciences (ALMR) CEO Luo Yuling disclose in this Form 3?

The Form 3 shows Luo Yuling’s existing ownership in Alamar Biosciences, including Class A and Class B Common Stock, Series A-1 Preferred Stock, Founders Preferred Stock, and several stock option grants, rather than reporting any new share purchases or sales.

How many Alamar Biosciences Class B Common shares does the CEO directly hold?

The filing reports direct ownership of 113,051 shares of Class B Common Stock. This figure represents Luo Yuling’s Class B holdings as of the Form 3 date and helps investors understand the CEO’s direct equity exposure to the company.

What Class A Common Stock holdings are reported for Alamar Biosciences (ALMR)?

The Form 3 lists 1,020,742 shares of Class A Common Stock held directly and 1,224,152 shares held indirectly by the CEO’s spouse. Both classes are disclosed as convertible into Class B Common Stock under the terms described in the footnotes.

What stock options does the Alamar Biosciences CEO hold according to this Form 3?

The filing lists several stock options on Class B Common Stock, including grants with exercise prices of $7.6000, $3.3400, $2.5100, and $1.5300. These options expire between 2027 and 2036, with various underlying share amounts.

How are Alamar Biosciences preferred shares described in the CEO’s Form 3?

The Form 3 shows holdings of Series A-1 Preferred Stock and Founders Preferred Stock. Footnotes state Founders and Class A shares convert to Class B one-for-one, while the preferred stock converts into Class B on a 1-for-2.418 basis at the holder’s election or automatically at IPO closing.

Do the Alamar Biosciences (ALMR) CEO’s options in this filing appear vested or time-based?

Some options are noted as fully vested, while others vest in equal monthly installments over 48 months from dates in 2023, 2024, 2025, or 2026, subject to the CEO’s continuous service on each vesting date.