• Live Feeds
    • Press Releases
    • Insider Trading
    • FDA Approvals
    • Analyst Ratings
    • Insider Trading
    • SEC filings
    • Market insights
  • Analyst Ratings
  • Alerts
  • Subscriptions
  • Settings
  • RSS Feeds
Quantisnow Logo
  • Live Feeds
    • Press Releases
    • Insider Trading
    • FDA Approvals
    • Analyst Ratings
    • Insider Trading
    • SEC filings
    • Market insights
  • Analyst Ratings
  • Alerts
  • Subscriptions
  • Settings
  • RSS Feeds
PublishGo to App
    Quantisnow Logo

    © 2026 quantisnow.com
    Democratizing insights since 2022

    Services
    Live news feedsRSS FeedsAlertsPublish with Us
    Company
    AboutQuantisnow PlusContactJobsAI superconnector for talent & startupsNEWLLM Arena
    Legal
    Terms of usePrivacy policyCookie policy

    Mosolf Joerg acquired 1,812,062 shares (SEC Form 4) (Amendment)

    10/24/23 4:01:30 PM ET
    $PCCT
    Blank Checks
    Finance
    Get the next $PCCT alert in real time by email
    SEC FORM 4/A SEC Form 4
    FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
    Washington, D.C. 20549

    STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

    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: 3235-0287
    Estimated average burden
    hours per response: 0.5
      
    Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
      
    Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
    1. Name and Address of Reporting Person*
    Mosolf Joerg

    (Last) (First) (Middle)
    155 ARLINGTON STREET

    (Street)
    WATERTOWN MA 02472

    (City) (State) (Zip)
    2. Issuer Name and Ticker or Trading Symbol
    Spectaire Holdings Inc. [ SPEC ]
    5. Relationship of Reporting Person(s) to Issuer
    (Check all applicable)
    X Director 10% Owner
    Officer (give title below) Other (specify below)
    3. Date of Earliest Transaction (Month/Day/Year)
    10/19/2023
    4. If Amendment, Date of Original Filed (Month/Day/Year)
    10/23/2023
    6. Individual or Joint/Group Filing (Check Applicable Line)
    X Form filed by One Reporting Person
    Form filed by More than One Reporting Person
    Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
    1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
    Code V Amount (A) or (D) Price
    Common Stock 10/19/2023 J(1) 1,812,062(2) A (1) 1,812,062 I By MLabCapital GmbH
    Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
    (e.g., puts, calls, warrants, options, convertible securities)
    1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
    Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
    Explanation of Responses:
    1. Represents securities received as part of the Issuer's business combination, in connection with that certain Agreement and Plan of Merger, dated as of January 16, 2023 (the "Merger Agreement"), by and between the Issuer (formerly, Perception Capital Corp. II), Perception Spectaire Merger Sub Corp. and Spectaire, Inc. ("Legacy Spectaire"), pursuant to which share of common stock of Legacy Spectaire automatically converted into the right to receive (i) cash and Common Stock of the Issuer and (ii) the right to receive Earnout Shares (as defined below). Pursuant to the Merger Agreement, each unvested award of restricted stock units of Legacy Spectaire automatically converted into the right to receive (i) securities of the Issuer with the same terms and conditions and (ii) the right to receive Earnout Shares, which will be subject to the reporting person's continued service to the Issuer.
    2. The Form 4 filed on October 23, 2023 contained a scrivener's error in the number of shares of Common Stock beneficially owned by the Reporting Person indirectly through MLabCapital GmbH. This amendment has been filed solely to correct the number of shares of Common Stock beneficially owned by the Reporting Person indirectly through MLabCapital GmbH from 1,935,944 to 1,812,062.
    /s/ Leonardo Fernandes, Attorney-in-fact 10/24/2023
    ** Signature of Reporting Person Date
    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 4 (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.
    Get the next $PCCT alert in real time by email

    Crush Q1 2026 with the Best AI Superconnector

    Stay ahead of the competition with Standout.work - your AI-powered talent-to-startup matching platform.

    AI-Powered Inbox
    Context-aware email replies
    Strategic Decision Support
    Get Started with Standout.work

    Recent Analyst Ratings for
    $PCCT

    DatePrice TargetRatingAnalyst
    More analyst ratings

    $PCCT
    SEC Filings

    View All

    SEC Form EFFECT filed by Perception Capital Corp. II

    EFFECT - Spectaire Holdings Inc. (0001844149) (Filer)

    2/15/24 12:15:39 AM ET
    $PCCT
    Blank Checks
    Finance

    SEC Form S-1/A filed by Perception Capital Corp. II (Amendment)

    S-1/A - Spectaire Holdings Inc. (0001844149) (Filer)

    2/12/24 9:24:07 AM ET
    $PCCT
    Blank Checks
    Finance

    SEC Form S-1/A filed by Perception Capital Corp. II (Amendment)

    S-1/A - Spectaire Holdings Inc. (0001844149) (Filer)

    1/31/24 9:58:52 PM ET
    $PCCT
    Blank Checks
    Finance

    $PCCT
    Press Releases

    Fastest customizable press release news feed in the world

    View All

    Spectaire Inc. and Perception Capital Corp. II Complete Business Combination

    WATERTOWN, Mass. and MINNEAPOLIS, Oct. 19, 2023 (GLOBE NEWSWIRE) -- Spectaire Inc. ("Spectaire" or "Company"), a provider of cutting-edge solutions for customers to monitor, track and meet emissions targets via its patented micro-mass-spectrometer (MMS) device AireCore™, today announced the closing of its previously announced business combination (the "Transaction") with Perception Capital Corp. II ("Perception"), a special purpose acquisition company. The combined company will operate under the name "Spectaire Holdings Inc." ("Spectaire Holdings"). Beginning on October 20, 2023, Spectaire Holdings will commence trading of its common stock and warrants on the Nasdaq Stock Market under the

    10/19/23 12:30:10 PM ET
    $PCCT
    Blank Checks
    Finance

    Spectaire Inc. and Perception Capital Corp. II Secure $3.5 Million PIPE Commitment from Dr. Jörg Mosolf and Announce Order of AireCore™ Units from German Logistics Operator Mosolf SE & Co. KG

    WATERTOWN, Mass. and WAYZATA, Minn., Oct. 12, 2023 (GLOBE NEWSWIRE) -- Spectaire Inc. ("Spectaire" or "Company"), a provider of cutting-edge solutions for customers to monitor, track and meet emissions targets via its patented micro-mass-spectrometer (MMS) device, and Perception Capital Corp. II (NASDAQ:PCCT) ("Perception"), today announced that Perception has entered into a private placement subscription agreement (the "PIPE Subscription Agreement") with Dr. Jörg Mosolf (the "PIPE Investor"), the chairman of Mosolf SE & Co. KG ("Mosolf") and a director of Spectaire, for an aggregate purchase price of $3,500,000 in connection with the proposed business combination between Spectaire and Per

    10/12/23 7:30:38 AM ET
    $PCCT
    Blank Checks
    Finance

    Spectaire Inc., Innovative Emissions Monitoring Provider, to Go Public via Business Combination with Perception Capital Corp. II

    Positioned to Meet Growing Customer Demand for Accurate, Real-Time Emissions Data to Smooth the Global Energy Transition Combination Will Allow Spectaire to Pursue Significant Market Opportunity. The proposed business combination is expected to allow Spectaire to better fulfill growing demand for monitoring and measurement technology needed to meet emissions reduction commitments. Customers are able to save money and generate carbon credits by relying on Spectaire's accurate, real-time data, rather than online estimating tools, which can overstate emissions by up to 60%. No Viable Competitors. We believe that Spectaire's micro-mass-spectrometer (MMS) device is the world's first and only

    1/17/23 8:00:00 AM ET
    $PCCT
    Blank Checks
    Finance

    $PCCT
    Insider Trading

    Insider transactions reveal critical sentiment about the company from key stakeholders. See them live in this feed.

    View All

    Mosolf Joerg acquired 1,812,062 shares (SEC Form 4) (Amendment)

    4/A - Spectaire Holdings Inc. (0001844149) (Issuer)

    10/24/23 4:01:30 PM ET
    $PCCT
    Blank Checks
    Finance

    Mendes Rui was granted 1,279,577 shares (SEC Form 4)

    4 - Spectaire Holdings Inc. (0001844149) (Issuer)

    10/23/23 8:50:47 PM ET
    $PCCT
    Blank Checks
    Finance

    Fernandes Leonardo was granted 108,439 shares (SEC Form 4)

    4 - Spectaire Holdings Inc. (0001844149) (Issuer)

    10/23/23 8:48:44 PM ET
    $PCCT
    Blank Checks
    Finance

    $PCCT
    Large Ownership Changes

    This live feed shows all institutional transactions in real time.

    View All

    SEC Form SC 13G/A filed by Perception Capital Corp. II (Amendment)

    SC 13G/A - Spectaire Holdings Inc. (0001844149) (Subject)

    2/14/24 1:41:07 PM ET
    $PCCT
    Blank Checks
    Finance

    SEC Form SC 13G/A filed by Perception Capital Corp. II (Amendment)

    SC 13G/A - Spectaire Holdings Inc. (0001844149) (Subject)

    2/12/24 7:57:13 AM ET
    $PCCT
    Blank Checks
    Finance

    SEC Form SC 13G/A filed by Perception Capital Corp. II (Amendment)

    SC 13G/A - Spectaire Holdings Inc. (0001844149) (Subject)

    2/9/24 4:23:55 PM ET
    $PCCT
    Blank Checks
    Finance