Stocks · Health care · Biological Products, (No Diagnostic Substances)

Solid Biosciences Inc.

SLDB Clue Score20
United States Fiscal year ends December CIK 0001707502 Results filed 6 Mar 2026

What the insiders did Net buying

By person

28 insiders · 115 transactions
2.0×

Alexander Cumbo holds only 2.0 times base salary in stock. $1.32M of shares against $650.99K in salary for 2025.

Salary from the company's own proxy. The shares are what Alexander Cumbo last reported holding, valued at $5.62, the price Common Stock was last bought or sold at on the open market here, on 19 Oct 2026.

Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
Perceptive Advisors LLC entity
Director
$83.68M (6)
—
+$83.68M
25,246,091
23.54%
$141.88M
+577.2%
Ra Capital Management, L.p. entity
10% owner
$17.69M (2)
—
+$17.69M
15,772,503
14.71%
$88.64M
+82.6%
Rajeev M. Shah
Director
$16.00M (1)
—
+$16.00M
13,281,046
12.39%
$74.64M
+143.2%
Adam Koppel
Director
$4.80M (1)
—
+$4.80M
11,964,500
11.16%
$67.24M
+282.2%
Boxer Capital, LLC entity
10% owner
—
$4.45M (3)
−$4.45M
3,473,272
3.24%
$19.52M
−11.5%
Bain Capital Life Sciences Investors, LLC entity
10% owner
$4.03M (1)
—
+$4.03M
5,034,582
4.70%
$28.29M
+60.8%
Adage Capital Management, L.P. entity
10% owner
$1.91M (1)
—
+$1.91M
4,248,084
3.96%
$23.87M
+6.3%
Ilan Ganot
Director
—
$1.76M (21)
−$1.76M
1,002,539
0.9350%
$5.63M
+9.8%
Jorge Armando Quiroz
Chief Medical Officer
—
$1.26M (5)
−$1.26M
228,092
0.2127%
$1.28M
−15.0%
Alexander Cumbo
President and CEO
—
$1.12M (7) scheduled
−$1.12M
235,405
0.2195%
$1.32M
+2,259%
Joel Solomon Zev Schneider
Chief Operating Officer
—
$949.58K (8)
−$949.58K
236,270
0.2203%
$1.33M
+61.1%
Pedro Alvaro Amorrortu
Chief Operating Officer
—
$827.63K (6)
−$827.63K
158,046
0.1474%
$888.22K
−14.6%
David T Howton
Chief Operating Officer
—
$498.88K (7) scheduled
−$498.88K
105,077
0.0980%
$590.53K
—
Kevin Tan
CFO & Treasurer
—
$390.15K (7) scheduled
−$390.15K
99,422
0.0927%
$558.75K
+434.5%
Jessie Hanrahan
Chief Regulatory Officer
—
$348.91K (7) scheduled
−$348.91K
74,318
0.0693%
$417.67K
—
Gabriel Brooks
Chief Medical Officer
—
$337.39K (7) scheduled
−$337.39K
97,241
0.0907%
$546.49K
+623.3%
Matthew Bennett Arnold
Director
—
$310.39K (3)
−$310.39K
3,933,429
3.67%
$22.11M
+15.8%
Paul Herzich
Chief Technology Officer
—
$308.50K (7) scheduled
−$308.50K
72,638
0.0677%
$408.23K
+720.5%
Carl Ashley Morris
Chief Scientific Officer
—
$265.11K (7)
−$265.11K
19,760
0.0184%
$111.05K
—
Juan Andrey Zarur
Director
—
$83.54K (2)
−$83.54K
701,294
0.6540%
$3.94M
−1.1%
Jennifer Lynn Ziolkowski
CFO, Treasurer & Asst. Secy
—
$30.01K (2)
−$30.01K
335,636
0.3130%
$1.89M
+97.8%
Clare Kahn
Director
$18.37K (2)
—
+$18.37K
2,960
0.0028%
$16.64K
—
Jennifer Marlowe
CSO
—
$13.52K (1)
−$13.52K
6,998
0.0065%
$39.33K
—
Lynette Herscha
Chief Legal Officer
—
$12.44K (1)
−$12.44K
160,859
0.1500%
$904.03K
—
Gilad David Hayeem
10% owner
—
—
—
3,542,746
3.30%
$19.91M
−1.0%
Ian F Smith
Director
—
—
—
141,585
0.1320%
$795.71K
—
Martin I Freed
Director
—
—
—
53,763
0.0501%
$302.15K
—
Sukumar Nagendran
Director
—
—
—
34,258
0.0319%
$192.53K
+1,613%