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76 filings · most recent first

INSM Form 4 Insider Filings

Over the trailing 90 days, INSM insiders sold a net $45.3M in discretionary open-market trades (6 sellers), across 46 Form 4 transactions by 7 insiders.

2026-08-19Sharoky Melvin Md Files Insmed Insm Form 4 August 17 2026 2026-08-12Adsett Roger Files Insmed Insm Form 4 August 10 2026 2026-08-07Flammer Martina Md Files Insmed Insm Form 4 August 06 2026 2026-07-24Lewis William Files Insmed Insm Form 4 July 23 2026 2026-07-10Lewis William Files Insmed Insm Form 4 July 09 2026 2026-07-08Flammer Martina Md Files Insmed Insm Form 4 July 06 2026 2026-06-26Lewis William Files Insmed Insm Form 4 June 25 2026 2026-06-24Butera Samuele Files Insmed Insm Form 4 June 23 2026 2026-06-24Smith Michael Alexander Files Insmed Insm Form 4 June 22 2026 2026-06-10Lewis William Files Insmed Insm Form 4 June 08 2026 2026-06-05Smith Michael Alexander Files Insmed Insm Form 4 June 03 2026 2026-06-05Flammer Martina Md Files Insmed Insm Form 4 June 03 2026 2026-06-05Adsett Roger Files Insmed Insm Form 4 June 03 2026 2026-06-05Bonstein Sara Files Insmed Insm Form 4 June 03 2026 2026-06-05Lewis William Files Insmed Insm Form 4 June 03 2026 2026-05-22Smith Michael Alexander Files Insmed Insm Form 4 May 22 2026 2026-05-20Lewis William Files Insmed Insm Form 4 May 18 2026 2026-05-15Smith Michael Alexander Files Insmed Insm Form 4 May 13 2026 2026-05-15Flammer Martina Md Files Insmed Insm Form 4 May 13 2026 2026-05-15Desjardins Clarissa Files Insmed Insm Form 4 May 13 2026 2026-05-15Anderson Elizabeth M Files Insmed Insm Form 4 May 13 2026 2026-05-15Lee Leo Files Insmed Insm Form 4 May 13 2026 2026-05-15Adsett Roger Files Insmed Insm Form 4 May 13 2026 2026-05-15Brennan David R Files Insmed Insm Form 4 May 13 2026 2026-05-15Bonstein Sara Files Insmed Insm Form 4 May 13 2026 2026-05-15Lewis William Files Insmed Insm Form 4 May 13 2026 2026-05-15Schafer Carol Files Insmed Insm Form 4 May 13 2026 2026-05-15Sharoky Melvin Md Files Insmed Insm Form 4 May 13 2026 2026-05-13Flammer Martina Md Files Insmed Insm Form 4 May 11 2026 2026-05-06Lewis William Files Insmed Insm Form 4 May 04 2026 2026-04-17Lewis William Files Insmed Insm Form 4 April 16 2026 2026-04-08Lewis William Files Insmed Insm Form 4 April 06 2026 2026-04-03Adsett Roger Files Insmed Insm Form 4 April 01 2026 2026-03-31Smith Michael Alexander Files Insmed Insm Form 4 March 30 2026 2026-03-20Lewis William Files Insmed Insm Form 4 March 19 2026 2026-03-05Lewis William Files Insmed Insm Form 4 March 05 2026 2026-03-05Sharoky Melvin Md Files Insmed Insm Form 4 March 03 2026 2026-02-27Sharoky Melvin Md Files Insmed Insm Form 4 February 25 2026 2026-02-25Smith Michael Alexander Files Insmed Insm Form 4 February 24 2026 2026-02-25Brennan David R Files Insmed Insm Form 4 February 23 2026 2026-02-23Lewis William Files Insmed Insm Form 4 February 19 2026 2026-02-11Lewis William Files Insmed Insm Form 4 February 09 2026 2026-02-11Mcgirr David W J Files Insmed Insm Form 4 February 09 2026 2026-02-06Flammer Martina Md Files Insmed Insm Form 4 February 05 2026 2026-02-04Smith Michael Alexander Files Insmed Insm Form 4 February 03 2026 2026-02-04Flammer Martina Md Files Insmed Insm Form 4 February 02 2026 2026-02-04Adsett Roger Files Insmed Insm Form 4 February 03 2026 2026-02-04Bonstein Sara Files Insmed Insm Form 4 February 03 2026 2026-02-04Lewis William Files Insmed Insm Form 4 February 03 2026 2026-01-22Lewis William Files Insmed Insm Form 4 January 20 2026 2026-01-13Flammer Martina Md Files Insmed Insm Form 4 January 09 2026 2026-01-13Lewis William Files Insmed Insm Form 4 January 12 2026 2026-01-08Smith Michael Alexander Files Insmed Insm Form 4 January 06 2026 2026-01-08Flammer Martina Md Files Insmed Insm Form 4 January 06 2026 2026-01-08Adsett Roger Files Insmed Insm Form 4 January 06 2026 2026-01-08Bonstein Sara Files Insmed Insm Form 4 January 06 2026 2026-01-08Lewis William Files Insmed Insm Form 4 January 06 2026 2026-01-06Smith Michael Alexander Files Insmed Insm Form 4 January 02 2026 2026-01-06Flammer Martina Md Files Insmed Insm Form 4 January 02 2026 2026-01-06Adsett Roger Files Insmed Insm Form 4 January 02 2026 2026-01-06Bonstein Sara Files Insmed Insm Form 4 January 02 2026 2026-01-06Lewis William Files Insmed Insm Form 4 January 02 2026 2026-01-06Schaeffer Orlov S Nicole Files Insmed Insm Form 4 January 02 2026 2025-12-30Lewis William Files Insmed Insm Form 4 December 18 2025 2025-12-18Smith Michael Alexander Files Insmed Insm Form 4 November 03 2025 2025-12-18Flammer Martina Md Files Insmed Insm Form 4 December 01 2025 2025-12-18Flammer Martina Md Files Insmed Insm Form 4 November 11 2025 2025-12-18Anderson Elizabeth M Files Insmed Insm Form 4 November 24 2025 2025-12-18Anderson Elizabeth M Files Insmed Insm Form 4 November 14 2025 2025-12-18Lee Leo Files Insmed Insm Form 4 November 17 2025 2025-12-18Schaeffer Orlov S Nicole Files Insmed Insm Form 4 November 12 2025 2025-12-18Brennan David R Files Insmed Insm Form 4 November 06 2025 2025-12-18Lewis William Files Insmed Insm Form 4 December 04 2025 2025-12-18Sharoky Melvin Md Files Insmed Insm Form 4 December 05 2025 2025-12-08Schaeffer Orlov S Nicole Files Insmed Insm Form 4 September 12 2025 2025-12-08Sharoky Melvin Md Files Insmed Insm Form 4 September 11 2025

Most Active Insiders (Trailing 90 Days)

Adsett Roger · 7 txns−$27.1M Flammer Martina M.d. · 12 txns−$4.0M Lewis William · 22 txns−$3.5M Brennan David R · 1 txn−$3.1M Sharoky Melvin Md · 1 txn−$638K Smith Michael Alexander · 1 txn−$173K

Detected Clusters

Cluster selling: 6 insiders, $2.6M total, through Jun 10, 2026 — live cluster view →
Cluster selling: 6 insiders, $8.5M total, through May 20, 2026 — live cluster view →
Cluster selling: 7 insiders, $9.8M total, through May 18, 2026 — live cluster view →

INSM full research: price, insiders, financials →