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Attovia Therapeutics (ATTO) backer reports large convertible preferred and common stake

(Neutral)
(Neutral)
Form Type
3

Rhea-AI Filing Summary

Frazier Life Sciences XI, L.P., together with related entities FHMLS XI, L.P. and FHMLS XI, L.L.C., reports a significant ownership position in Attovia Therapeutics, Inc. as ten percent owners. The group holds 1,749,192 shares of Series A-1 Preferred Stock, 1,590,175 shares of Series A-2 Preferred Stock, 1,189,940 shares of Series B Preferred Stock, 961,322 shares of Series C Preferred Stock (each series convertible into Common Stock at an exercise price of $0.0000 per share and automatically converting into the same number of Common shares upon closing of the initial public offering), plus 75,349 shares of Common Stock held directly.

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Insider Frazier Life Sciences XI, L.P., FHMLS XI, L.P., FHMLS XI, L.L.C.
Role 10% Owner | 10% Owner | 10% Owner
Type Security Shares Price Value
holding Series A-1 Preferred Stock F2, F1 -- -- --
holding Series A-2 Preferred Stock F3, F1 -- -- --
holding Series B Preferred Stock F4, F1 -- -- --
holding Series C Preferred Stock F5, F1 -- -- --
holding Common Stock F1 -- -- --
Holdings After Transaction: Series A-1 Preferred Stock — 1,749,192 shares (Direct); Series A-2 Preferred Stock — 1,590,175 shares (Direct); Series B Preferred Stock — 1,189,940 shares (Direct); Series C Preferred Stock — 961,322 shares (Direct); Common Stock — 75,349 shares (Direct)
Footnotes (5)
  1. F1. The shares are held directly by Frazier Life Sciences XI, L.P. FHMLS XI, L.P. is the general partner of Frazier Life Sciences XI, L.P. and FHMLS XI, L.L.C. is the general partner of FHMLS XI, L.P.
  2. F2. The Series A-1 Preferred Stock has no expiration date and is convertible into shares of Common Stock of the Issuer at the option of the holder. Upon closing of the initial public offering of the Issuer (the "IPO"), the shares of Series A-1 Preferred Stock will automatically convert into the number of shares of Common Stock of the Issuer shown in column 3.
  3. F3. The Series A-2 Preferred Stock has no expiration date and is convertible into shares of Common Stock of the Issuer at the option of the holder. Upon closing of the IPO, the shares of Series A-2 Preferred Stock will automatically convert into the number of shares of Common Stock of the Issuer shown in column 3.
  4. F4. The Series B Preferred Stock has no expiration date and is convertible into shares of Common Stock of the Issuer at the option of the holder. Upon closing of the IPO, the shares of Series B Preferred Stock will automatically convert into the number of shares of Common Stock of the Issuer shown in column 3.
  5. F5. The Series C Preferred Stock has no expiration date and is convertible into shares of Common Stock of the Issuer at the option of the holder. Upon closing of the IPO, the shares of Series C Preferred Stock will automatically convert into the number of shares of Common Stock of the Issuer shown in column 3.
Series A-1 Preferred underlying shares 1,749,192 Shares of Common Stock issuable upon conversion of Series A-1 Preferred Stock
Series A-2 Preferred underlying shares 1,590,175 Shares of Common Stock issuable upon conversion of Series A-2 Preferred Stock
Series B Preferred underlying shares 1,189,940 Shares of Common Stock issuable upon conversion of Series B Preferred Stock
Series C Preferred underlying shares 961,322 Shares of Common Stock issuable upon conversion of Series C Preferred Stock
Common Stock held directly 75,349 Total Common shares reported as directly held
Conversion/exercise price $0.0000 Per-share exercise price for conversion of each series of Preferred Stock into Common Stock
Series A-1 Preferred Stock financial
"The Series A-1 Preferred Stock has no expiration date and is convertible"
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
"Upon closing of the initial public offering of the Issuer (the "IPO")"
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.
automatically convert financial
"the shares of Series B Preferred Stock will automatically convert into"
ten percent owner financial
"reportingPersons list each entity as the is_ten_percent_owner"

FAQ

What does this ownership report reveal about Attovia Therapeutics (ATTO)?

It shows that entities affiliated with Frazier Life Sciences XI, L.P. are ten percent owners of Attovia Therapeutics, Inc., holding multiple series of convertible preferred stock plus 75,349 shares of Common Stock.

How many Series A-1 Preferred shares linked to ATTO are held?

Affiliates of Frazier Life Sciences XI, L.P. hold 1,749,192 shares of Series A-1 Preferred Stock, which is convertible into 1,749,192 shares of Common Stock at an exercise price of $0.0000 per share.

What are the Series A-2, B, and C Preferred holdings in Attovia (ATTO)?

The group holds 1,590,175 Series A-2, 1,189,940 Series B, and 961,322 Series C Preferred shares, each series convertible 1:1 into Common Stock at an exercise price of $0.0000 per share.

When will the preferred stock in Attovia (ATTO) automatically convert to common?

The Series A-1, A-2, B, and C Preferred Stock will automatically convert into Common Stock upon closing of the initial public offering of Attovia Therapeutics, Inc., in the same share amounts shown.

Who ultimately controls the reported Attovia (ATTO) holdings?

The shares are held directly by Frazier Life Sciences XI, L.P.. FHMLS XI, L.P. is its general partner, and FHMLS XI, L.L.C. is the general partner of FHMLS XI, L.P., reflecting a layered partnership control structure.

How many Attovia (ATTO) common shares are already held outright?

In addition to preferred stock, the reporting entities directly hold 75,349 shares of Common Stock of Attovia Therapeutics, Inc., separate from the common shares issuable upon preferred stock conversion.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Learn about SEC filing dates
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
Estimated average burden
hours per response:0.5
1. Name and Address of Reporting Person*
Frazier Life Sciences XI, L.P.

(Last)(First)(Middle)
FRAZIER LIFE SCIENCES MANAGEMENT, L.P.
1001 PAGE MILL RD, BUILDING 4, STE 200B

(Street)
PALO ALTO CALIFORNIA 94304

(City)(State)(Zip)

UNITED STATES

(Country)
2. Date of Event Requiring Statement (Month/Day/Year)
08/04/2026
3. Issuer Name and Ticker or Trading Symbol
Attovia Therapeutics, Inc. [ ATTO ]
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)
DirectorX10% Owner
Officer (give title below)Other (specify below)
6. Individual or Joint/Group Filing (Check Applicable Line)
Form filed by One Reporting Person
XForm 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)
Common Stock75,349D(1)
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
Series A-1 Preferred Stock (2) (2)Common Stock1,749,192$0D(1)
Series A-2 Preferred Stock (3) (3)Common Stock1,590,175$0D(1)
Series B Preferred Stock (4) (4)Common Stock1,189,940$0D(1)
Series C Preferred Stock (5) (5)Common Stock961,322$0D(1)
1. Name and Address of Reporting Person*
Frazier Life Sciences XI, L.P.

(Last)(First)(Middle)
FRAZIER LIFE SCIENCES MANAGEMENT, L.P.
1001 PAGE MILL RD, BUILDING 4, STE 200B

(Street)
PALO ALTO CALIFORNIA 94304

(City)(State)(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer
DirectorX10% Owner
Officer (give title below)Other (specify below)
1. Name and Address of Reporting Person*
FHMLS XI, L.P.

(Last)(First)(Middle)
FRAZIER LIFE SCIENCES MANAGEMENT, L.P.
1001 PAGE MILL RD, BUILDING 4, STE 200B

(Street)
PALO ALTO CALIFORNIA 94304

(City)(State)(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer
DirectorX10% Owner
Officer (give title below)Other (specify below)
1. Name and Address of Reporting Person*
FHMLS XI, L.L.C.

(Last)(First)(Middle)
FRAZIER LIFE SCIENCES MANAGEMENT, L.P.
1001 PAGE MILL RD, BUILDING 4, STE 200B

(Street)
PALO ALTO CALIFORNIA 94304

(City)(State)(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer
DirectorX10% Owner
Officer (give title below)Other (specify below)
Explanation of Responses:
1. The shares are held directly by Frazier Life Sciences XI, L.P. FHMLS XI, L.P. is the general partner of Frazier Life Sciences XI, L.P. and FHMLS XI, L.L.C. is the general partner of FHMLS XI, L.P.
2. The Series A-1 Preferred Stock has no expiration date and is convertible into shares of Common Stock of the Issuer at the option of the holder. Upon closing of the initial public offering of the Issuer (the "IPO"), the shares of Series A-1 Preferred Stock will automatically convert into the number of shares of Common Stock of the Issuer shown in column 3.
3. The Series A-2 Preferred Stock has no expiration date and is convertible into shares of Common Stock of the Issuer at the option of the holder. Upon closing of the IPO, the shares of Series A-2 Preferred Stock will automatically convert into the number of shares of Common Stock of the Issuer shown in column 3.
4. The Series B Preferred Stock has no expiration date and is convertible into shares of Common Stock of the Issuer at the option of the holder. Upon closing of the IPO, the shares of Series B Preferred Stock will automatically convert into the number of shares of Common Stock of the Issuer shown in column 3.
5. The Series C Preferred Stock has no expiration date and is convertible into shares of Common Stock of the Issuer at the option of the holder. Upon closing of the IPO, the shares of Series C Preferred Stock will automatically convert into the number of shares of Common Stock of the Issuer shown in column 3.
By Jennifer Martin, CFO of FHMLS XI, L.L.C., GP of FHMLS XI, L.P., GP of Frazier Life Sciences XI, L.P.08/04/2026
By Jennifer Martin, CFO of FHMLS XI, L.L.C., GP of FHMLS XI, L.P.08/04/2026
By Jennifer Martin, CFO of FHMLS XI, L.L.C.08/04/2026
** 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)