Solid Biosciences Inc. (SLDB) Insider Ownership

Historic Ownership Trends

Over the 90-day window ending December 12, 2025, Solid Biosciences's three dominant insider ownership positions are held by Director Ian F Smith (126.69K shares), Director Ilan Ganot (110.25K shares), President And CEO Alexander Cumbo (81.39K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Advisors Llc Perceptive 11,833,539 21 Feb, 2025
Capital Life Sciences Investors, Llc Bain 5,034,582 21 Feb, 2025
Capital Management, L.P. Adage 4,248,084 19 Feb, 2025
Capital Management, L.P. Ra 4,192,216 12 Jan, 2024
Adam Koppel 4,034,582 12 Jan, 2024
Jennifer Lynn Ziolkowski CFO And Treasurer & Asst. Secy 22,377 29 Jan, 2021
Joel Solomon Zev Schneider Chief Operating Officer 15,752 15 Mar, 2022
Ian F Smith 126,692 07 Oct, 2025
Ilan Ganot 110,251 13 Nov, 2025
Alexander Cumbo President And CEO 81,388 04 Dec, 2025
Gabriel Brooks Chief Medical Officer 33,819 21 Oct, 2025
David T Howton Chief Operating Officer 32,908 04 Dec, 2025
Kevin Tan CFO & Treasurer 32,250 18 Feb, 2025
Jessie Hanrahan Chief Regulatory Officer 26,660 04 Dec, 2025
Paul Herzich Chief Technology Officer 26,622 04 Dec, 2025
Carl Ashley Morris Chief Scientific Officer 19,760 31 Jan, 2023
Jennifer Marlowe Cso 6,998 05 Dec, 2023
Clare Kahn 2,960 13 Mar, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
02 Dec, 2025 Jessie Hanrahan Common Stock A 11,862 - 31,143 D M
02 Dec, 2025 Alexander Cumbo Common Stock A 28,612 - 92,196 D M
02 Dec, 2025 David T Howton Common Stock A 13,051 - 37,840 D M
02 Dec, 2025 Paul Herzich Common Stock A 7,239 - 29,323 D M
03 Dec, 2025 Alexander Cumbo Common Stock D 10,808 $5.11 81,388 D S
03 Dec, 2025 Paul Herzich Common Stock D 2,701 $5.11 26,622 D S
03 Dec, 2025 David T Howton Common Stock D 4,932 $5.11 32,908 D S
03 Dec, 2025 Jessie Hanrahan Common Stock D 4,483 $5.11 26,660 D S
10 Nov, 2025 Ilan Ganot Common Stock D 3,278 $4.12 95,412 D S
18 Oct, 2025 Gabriel Brooks Common Stock A 9,750 - 36,714 D M
20 Oct, 2025 Gabriel Brooks Common Stock D 2,895 $5.96 33,819 D S
06 Oct, 2025 Ian F Smith Common Stock A 4,573 - 126,692 D M
06 Jul, 2025 Ian F Smith Common Stock A 4,573 - 122,119 D M
06 Apr, 2025 Ian F Smith Common Stock A 4,574 - 117,546 D M
11 Mar, 2025 Clare Kahn Common Stock A 1,860 $5.34 2,960 D P
11 Mar, 2025 Clare Kahn - - 2,960 D
19 Feb, 2025 Capital Life Sciences Investors, Llc Bain Common Stock A 1,000,000 $4.03 5,034,582 I P
19 Feb, 2025 Advisors Llc Perceptive Common Stock A 5,000,000 $4.03 11,833,539 I P
19 Feb, 2025 Capital Life Sciences Investors, Llc Bain - - 5,034,582 I
18 Feb, 2025 Capital Management, L.P. Adage - - 4,248,084 I