InsiderLens
All transactionsBrowse millions of insider transactions
Top buysLargest insider purchases
Top sellsLargest insider sales
Cluster activityMultiple insiders trading together
All companiesBrowse all 22,000+ companies
ScreenerFilter by sector, country, activity
By countryBrowse by market
All InsidersBrowse all 240,000+ Insiders
Most activeInsiders with the most trades
Best performersHighest returns on insider buys
Alerts

Global search

Find a company or insider, or run a shortcut.

InsiderLens

Track insider trading activity, analyze financial data, and monitor insider transactions across global markets.

Transactions

  • Top buys
  • Top sells
  • Companies
  • Insiders
  • Screener

Resources

  • API
  • Blog
  • Help center
  • Methodology

Company

  • About
  • Contact
  • Privacy policy
  • Terms of service
  • Cookie policy

Data sources: SEC EDGAR (US) · AMF / BDIF (FR) · BaFin (DE) · FCA (GB) · FSMA (BE) · AFM (NL) · CNMV (ES) · SIX (CH) · FI (SE) · Oslo Børs (NO) · Nasdaq Nordic & Baltic · and 20+ other European regulators.

The information provided on InsiderLens is for informational purposes only and does not constitute financial advice, investment recommendations, or an offer to buy or sell securities. Insider transaction data is sourced from public regulatory filings. Past insider transactions do not guarantee future performance. Always consult a qualified financial advisor before making investment decisions.

© 2026 InsiderLens

  1. Home
  2. /
  3. Insiders
  4. /
  5. Mossler Mark

Mossler Mark

BalancedHigh Signal
C-SuiteC4 Therapeutics, Inc.CIK 0001992219
3 transactions·1 company·Last Feb 14, 2025
$00 buys
$00 sells
50%/50%18K shares held ≈ $56K

CCCCC4 Therapeutics, Inc.

C SUITEatC4 Therapeutics, Inc.CCCC

Last filing: Apr 2026

Also at C4 Therapeutics, Inc.

HA
Hirsch Andrew
CEO60 tx
MW
MCKEE WILLIAM
CFO89 tx
WL
White Lauren
CFO20 tx
AK
Adams Kendra
CFO20 tx
CA
Crystal Adam
C SUITE47 tx

Insider transactions by Mossler Mark

3 transactions — - in purchases, - in sales

DateViaCompanyTypeSharesValue
Feb 14, 25DirectCCCCC4 Therapeutics, Inc.Other1 586$5 043
Feb 14, 24DirectCCCCC4 Therapeutics, Inc.Grant27 430-
Feb 14, 24DirectCCCCC4 Therapeutics, Inc.Grant18 290-
Direct = personal transaction
Via entity / trust / associate

Frequently asked questions about Mossler Mark

What are Mossler Mark's recent insider transactions?

Mossler Mark has filed 3 insider transactions across 1 company, totaling $0 in purchases and $0 in sales. The most recent filing was on February 14, 2025.

Is Mossler Mark a net buyer or seller of shares?

Based on regulatory disclosures, Mossler Mark is a net seller with 0 purchases and 0 sales on record.

Data sourced from public regulatory filings (SEC EDGAR, AMF, BaFin). This information is provided for educational purposes and does not constitute investment advice, a recommendation, or a solicitation to buy or sell securities.

Updated February 14, 2025·Full disclaimer