$INSM

📈 Chart

72 transactions across 14 dates · last 180 days

6-Month Buy/Sell Trend

Buys Sells
2026-04-16
▼ 4 sells · $1.5M 4 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
Lewis William Chair and CEO M 6,259 $30 $191K Plan Apr 17
Lewis William Chair and CEO M 4,440 $17 $76K Plan Apr 17
Lewis William Chair and CEO ▼ Sell 2,246 $143 $321K Plan Apr 17
Lewis William Chair and CEO ▼ Sell 5,373 $144 $773K Plan Apr 17
Lewis William Chair and CEO ▼ Sell 2,255 $145 $326K Plan Apr 17
Lewis William Chair and CEO ▼ Sell 825 $146 $120K Plan Apr 17
Lewis William Chair and CEO M 6,259 $0 $0 Plan Apr 17
Lewis William Chair and CEO M 4,440 $0 $0 Plan Apr 17
2026-04-06
▼ 3 sells · $1.7M 4 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
Lewis William Chair and CEO M 6,259 $30 $191K Plan Apr 8
Lewis William Chair and CEO M 4,440 $17 $76K Plan Apr 8
Lewis William Chair and CEO ▼ Sell 787 $162 $127K Plan Apr 8
Lewis William Chair and CEO ▼ Sell 8,478 $163 $1.4M Plan Apr 8
Lewis William Chair and CEO ▼ Sell 1,434 $164 $235K Plan Apr 8
Lewis William Chair and CEO M 6,259 $0 $0 Plan Apr 8
Lewis William Chair and CEO M 4,440 $0 $0 Plan Apr 8
2026-04-01
▼ 3 sells · $14.5M 2 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
Adsett Roger Chief Operating Officer M 88,060 $15 $1.3M Plan Apr 3
Adsett Roger Chief Operating Officer ▼ Sell 6,715 $163 $1.1M Plan Apr 3
Adsett Roger Chief Operating Officer ▼ Sell 19,001 $164 $3.1M Plan Apr 3
Adsett Roger Chief Operating Officer ▼ Sell 62,344 $165 $10.3M Plan Apr 3
Adsett Roger Chief Operating Officer M 88,060 $0 $0 Plan Apr 3
2026-03-30
▼ 1 sell · $3.0M 4 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
Smith Michael Alexander Chief Legal Officer M 5,649 $17 $96K Plan Mar 31
Smith Michael Alexander Chief Legal Officer M 13,989 $28 $390K Plan Mar 31
Smith Michael Alexander Chief Legal Officer ▼ Sell 19,638 $151 $3.0M Plan Mar 31
Smith Michael Alexander Chief Legal Officer M 5,649 $0 $0 Plan Mar 31
Smith Michael Alexander Chief Legal Officer M 13,989 $0 $0 Plan Mar 31
2025-12-05
▼ 1 sell · $4.1M
Insider Title Type Shares Price $ Value 10b5-1 Filed
SHAROKY MELVIN MD ▼ Sell 20,000 $205 $4.1M Dec 9
2025-12-04
▼ 4 sells · $2.2M 4 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
Lewis William Chair and CEO M 6,259 $30 $191K Plan Dec 5
Lewis William Chair and CEO M 4,440 $17 $76K Plan Dec 5
Lewis William Chair and CEO ▼ Sell 4,516 $205 $924K Plan Dec 5
Lewis William Chair and CEO ▼ Sell 2,222 $206 $457K Plan Dec 5
Lewis William Chair and CEO ▼ Sell 2,921 $206 $603K Plan Dec 5
Lewis William Chair and CEO ▼ Sell 1,040 $207 $216K Plan Dec 5
Lewis William Chair and CEO M 6,259 $0 $0 Plan Dec 5
Lewis William Chair and CEO M 4,440 $0 $0 Plan Dec 5
2025-12-01
▼ 3 sells · $1.8M 2 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
Flammer Martina M.D. Chief Medical Officer M 8,895 $26 $230K Plan Dec 3
Flammer Martina M.D. Chief Medical Officer ▼ Sell 1,450 $206 $299K Plan Dec 3
Flammer Martina M.D. Chief Medical Officer ▼ Sell 5,886 $207 $1.2M Plan Dec 3
Flammer Martina M.D. Chief Medical Officer ▼ Sell 1,559 $208 $324K Plan Dec 3
Flammer Martina M.D. Chief Medical Officer M 8,895 $0 $0 Plan Dec 3
2025-11-24
▼ 1 sell · $1.0M
Insider Title Type Shares Price $ Value 10b5-1 Filed
ANDERSON ELIZABETH M ▼ Sell 5,000 $205 $1.0M Nov 26
2025-11-14
▼ 1 sell · $2.0M
Insider Title Type Shares Price $ Value 10b5-1 Filed
ANDERSON ELIZABETH M ▼ Sell 10,000 $196 $2.0M Nov 18
2025-11-17
▼ 5 sells · $14.7M
Insider Title Type Shares Price $ Value 10b5-1 Filed
LEE LEO ▼ Sell 3,212 $194 $622K Nov 18
LEE LEO ▼ Sell 17,594 $194 $3.4M Nov 18
LEE LEO ▼ Sell 14,944 $195 $2.9M Nov 18
LEE LEO ▼ Sell 24,076 $197 $4.7M Nov 18
LEE LEO ▼ Sell 15,174 $197 $3.0M Nov 18
2025-11-12
▼ 4 sells · $5.8M 2 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
Schaeffer Orlov S Nicole Chief People Strategy Officer M 30,000 $26 $794K Nov 14
Schaeffer Orlov S Nicole Chief People Strategy Officer ▼ Sell 4,078 $192 $785K Nov 14
Schaeffer Orlov S Nicole Chief People Strategy Officer ▼ Sell 6,575 $194 $1.3M Nov 14
Schaeffer Orlov S Nicole Chief People Strategy Officer ▼ Sell 19,183 $194 $3.7M Nov 14
Schaeffer Orlov S Nicole Chief People Strategy Officer ▼ Sell 164 $196 $32K Nov 14
Schaeffer Orlov S Nicole Chief People Strategy Officer M 30,000 $0 $0 Nov 14
2025-11-11
▼ 4 sells · $5.9M 4 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
Flammer Martina M.D. Chief Medical Officer M 12,949 $17 $221K Plan Nov 13
Flammer Martina M.D. Chief Medical Officer M 18,277 $19 $346K Plan Nov 13
Flammer Martina M.D. Chief Medical Officer ▼ Sell 5,467 $188 $1.0M Plan Nov 13
Flammer Martina M.D. Chief Medical Officer ▼ Sell 12,224 $189 $2.3M Plan Nov 13
Flammer Martina M.D. Chief Medical Officer ▼ Sell 10,622 $190 $2.0M Plan Nov 13
Flammer Martina M.D. Chief Medical Officer ▼ Sell 2,913 $191 $556K Plan Nov 13
Flammer Martina M.D. Chief Medical Officer M 12,949 $0 $0 Plan Nov 13
Flammer Martina M.D. Chief Medical Officer M 18,277 $0 $0 Plan Nov 13
2025-11-06
2 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
Brennan David R G 60,000 $0 $0 Nov 10
Brennan David R G 60,000 $0 $0 Nov 10
2025-11-03
▼ 8 sells · $5.0M 2 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
Smith Michael Alexander Chief Legal Officer M 27,130 $24 $644K Plan Nov 5
Smith Michael Alexander Chief Legal Officer ▼ Sell 1,342 $181 $243K Plan Nov 5
Smith Michael Alexander Chief Legal Officer ▼ Sell 7,619 $182 $1.4M Plan Nov 5
Smith Michael Alexander Chief Legal Officer ▼ Sell 4,286 $183 $783K Plan Nov 5
Smith Michael Alexander Chief Legal Officer ▼ Sell 4,032 $184 $742K Plan Nov 5
Smith Michael Alexander Chief Legal Officer ▼ Sell 3,243 $185 $600K Plan Nov 5
Smith Michael Alexander Chief Legal Officer ▼ Sell 3,636 $186 $676K Plan Nov 5
Smith Michael Alexander Chief Legal Officer ▼ Sell 1,572 $187 $294K Plan Nov 5
Smith Michael Alexander Chief Legal Officer ▼ Sell 1,400 $188 $263K Plan Nov 5
Smith Michael Alexander Chief Legal Officer M 27,130 $0 $0 Plan Nov 5