United States Biotechnology & Medical Research

Solid Biosciences Inc (SLDB)

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The most recent insider trading activity occurred on February 18, 2026, with multiple 'SELL' and 'PROPOSED_SALE' transactions by company officers and directors. These transactions involved significant share volumes and values, indicating a notable disposition of holdings by key personnel.

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Ticker: SLDB Exchange: NSM

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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings

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Company data & Insiders

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Trades

Cumbo Alexander

President and CEO

2 sales — total 193,846 USD

Sale 18 Feb 2026

Value US$4,563,906.55 | Price 135.68 | Shares 87,786

Proposed sale 18 Feb 2026

Value US$2,996,900.95 | Price 162.62 | Shares 75,084

Brooks Gabriel

Officer

1 sale — total 32,395 USD

Proposed sale 18 Feb 2026

Value US$1,830,383.87 | Price 171.65 | Shares 78,967

Hanrahan Jessie

Chief Regulatory Officer

2 sales — total 48,147 USD

Sale 18 Feb 2026

Value US$24,073.52 | Price 5.82 | Shares 4,134

Proposed sale 18 Feb 2026

Value US$24,073.52 | Price 5.82 | Shares 4,134

Ganot Ilan

2 sales — total 31,227 USD

Sale 18 Feb 2026

Value US$15,478.33 | Price 5.82 | Shares 2,658

Proposed sale 18 Feb 2026

Value US$15,748.33 | Price 5.92 | Shares 2,658

Herzich Paul

Officer

2 sales — total 42,114 USD

Proposed sale 18 Feb 2026

Value US$21,057.05 | Price 5.82 | Shares 3,616

Sale 18 Feb 2026

Value US$21,057.05 | Price 5.82 | Shares 3,616

Howton David T

Chief Operating Officer

2 sales — total 86,988 USD

Sale 18 Feb 2026

Value US$43,494.23 | Price 5.82 | Shares 7,469

Proposed sale 18 Feb 2026

Value US$43,494.23 | Price 5.82 | Shares 7,469

Tan Kevin

Officer

2 sales — total 62,938 USD

Proposed sale 18 Feb 2026

Value US$31,469.11 | Price 5.82 | Shares 5,404

Sale 18 Feb 2026

Value US$31,469.11 | Price 5.82 | Shares 5,404

Tan Kevin

CFO & Treasurer

1 sale — total 95,231 USD

Sale 4 Feb 2026

Value US$95,230.61 | Price 6.44 | Shares 14,783

Howton David T

Chief Operating Officer

1 sale — total 121,713 USD

Sale 4 Feb 2026

Value US$121,713.26 | Price 6.44 | Shares 18,894

Ganot Ilan

1 sale — total 46,414 USD

Sale 4 Feb 2026

Value US$46,413.89 | Price 6.44 | Shares 7,205

Cumbo Alexander

President and CEO

1 sale — total 315,093 USD

Sale 4 Feb 2026

Value US$315,092.65 | Price 6.44 | Shares 48,913

Herzich Paul

Chief Technology Officer

1 sale — total 70,249 USD

Sale 4 Feb 2026

Value US$70,248.92 | Price 6.44 | Shares 10,905

Hanrahan Jessie

Chief Regulatory Officer

1 sale — total 79,545 USD

Sale 4 Feb 2026

Value US$79,544.58 | Price 6.44 | Shares 12,348

Brooks Gabriel

Chief Medical Officer

1 sale — total 81,271 USD

Sale 4 Feb 2026

Value US$81,271.01 | Price 6.44 | Shares 12,616

Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other

Notification date	Transaction date	B/S Transaction type	Insider and/or position	Nb. shares Price Value	Number of shares	Price	Value
2026-02-18	2026-02-18	S Sale	2.3 Cumbo Alexander President and CEO Executive Director	87,786 -33.1% 135.68 US$4,563,907	87,786 -33.1%	135.68	US$4,563,907
2026-02-18	2026-02-18	PrS Proposed sale	2.9 Brooks Gabriel Officer Officer	78,967 171.65 US$1,830,384	78,967	171.65	US$1,830,384
2026-02-18	2026-02-18	PrS Proposed sale	2.3 Cumbo Alexander Officer; Director Executive Director	75,084 162.62 US$2,996,901	75,084	162.62	US$2,996,901
2026-02-18	2026-02-18	S Sale	2.4 Hanrahan Jessie Chief Regulatory Officer Officer	4,134 -5.3% 5.82 US$24,074	4,134 -5.3%	5.82	US$24,074
2026-02-18	2026-02-18	PrS Proposed sale	2.4 Hanrahan Jessie Officer Officer	4,134 5.82 US$24,074	4,134	5.82	US$24,074
2026-02-18	2026-02-18	S Sale	2.6 Ganot Ilan Non-Executive Director	2,658 -8.8% 5.82 US$15,478	2,658 -8.8%	5.82	US$15,478
2026-02-18	2026-02-18	PrS Proposed sale	2.4 Herzich Paul Officer Officer	3,616 5.82 US$21,057	3,616	5.82	US$21,057
2026-02-18	2026-02-18	S Sale	2.4 Herzich Paul Chief Technology Officer Officer	3,616 -4.7% 5.82 US$21,057	3,616 -4.7%	5.82	US$21,057
2026-02-18	2026-02-18	PrS Proposed sale	2.6 Ganot Ilan Director Non-Executive Director	2,658 5.92 US$15,748	2,658	5.92	US$15,748
2026-02-18	2026-02-18	S Sale	2.4 Howton David T Chief Operating Officer Officer	7,469 -6.6% 5.82 US$43,494	7,469 -6.6%	5.82	US$43,494
2026-02-18	2026-02-18	PrS Proposed sale	2.4 Howton David T Officer Officer	7,469 5.82 US$43,494	7,469	5.82	US$43,494
2026-02-18	2026-02-18	PrS Proposed sale	1.9 Tan Kevin Officer Officer	5,404 5.82 US$31,469	5,404	5.82	US$31,469
2026-02-18	2026-02-18	S Sale	1.9 Tan Kevin CFO & Treasurer Officer	5,404 -5.2% 5.82 US$31,469	5,404 -5.2%	5.82	US$31,469
2026-02-06	2026-02-04	S Sale	1.9 Tan Kevin CFO & Treasurer Officer	14,783 -13.6% 6.44 US$95,231	14,783 -13.6%	6.44	US$95,231
2026-02-06	2026-02-04	S Sale	2.4 Howton David T Chief Operating Officer Officer	18,894 -16.2% 6.44 US$121,713	18,894 -16.2%	6.44	US$121,713
2026-02-06	2026-02-04	S Sale	2.6 Ganot Ilan Non-Executive Director	7,205 -22.2% 6.44 US$46,414	7,205 -22.2%	6.44	US$46,414
2026-02-06	2026-02-04	S Sale	2.3 Cumbo Alexander President and CEO Executive Director	48,913 -18.1% 6.44 US$315,093	48,913 -18.1%	6.44	US$315,093
2026-02-06	2026-02-04	S Sale	2.4 Herzich Paul Chief Technology Officer Officer	10,905 -13.6% 6.44 US$70,249	10,905 -13.6%	6.44	US$70,249
2026-02-06	2026-02-04	S Sale	2.4 Hanrahan Jessie Chief Regulatory Officer Officer	12,348 -14.9% 6.44 US$79,545	12,348 -14.9%	6.44	US$79,545
2026-02-06	2026-02-04	S Sale	2.9 Brooks Gabriel Chief Medical Officer Officer	12,616 -13.0% 6.44 US$81,271	12,616 -13.0%	6.44	US$81,271