SC Filed 2020-12-16 Event — SEC 0001104659-20-136397 →

RA CAPITAL MANAGEMENT, L.P. → Solid Biosciences Inc. SLDB

Stake: — Shares: —

Composite Decision Signal · PASS (LOW BASE-RATE EDGE) Conviction Score: 21/100 · Filer 90d Win Rate: 0% · Hist. 90d Edge: +0.0%

Filer track record (20 filings): 0% 90d win rate, +0.0% 90d edge
Held by 1 tracked 13F institutional manager
Elevated short days-to-cover (8.5 DTC)

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)

0 transactions

0 buys · 0 sales · 0 awards/exercises

Issuer Cluster

21 13D/G filings on this issuer

20 other filings besides this one

Filer Track Record

88 filings by this filer

87 other filings in the data moat

Short Interest · settle 2026-10-15

DTC 8.52

12,300,065 shares short · -3.4% vs prior

Institutional Consensus · 2025-12-31

Held by elite portfolio managers

1 holder · $13.63M

Point72 Asset Mgmt

Other 13D/G Filings on Solid Biosciences Inc.

Filed	Form	Filer	Stake	Shares
2026-08-14	SCHEDULE 13D/A	PERCEPTIVE ADVISORS LLC	11.20%	12,046,579	view →
2026-06-24	SCHEDULE 13D/A	RA CAPITAL MANAGEMENT, L.P.	—	12,036,126	view →
2025-02-21	SCHEDULE	PERCEPTIVE ADVISORS LLC	15.60%	11,934,679	view →
2025-02-21	SCHEDULE	RA CAPITAL MANAGEMENT, L.P.	9.90%	7,989,820	view →
2025-02-21	SCHEDULE	BCLS SB Investco, LP	7.80%	6,179,042	view →
2024-01-12	SC	BCLS SB Investco, LP	—	—	view →
2024-01-11	SC	RA CAPITAL MANAGEMENT, L.P.	—	—	view →
2024-01-10	SC	BCLS SB Investco, LP	—	—	view →
2022-12-06	SC	PERCEPTIVE ADVISORS LLC	—	—	view →
2022-12-05	SC	RA CAPITAL MANAGEMENT, L.P.	—	—	view →
2022-12-05	SC	BCLS SB Investco, LP	—	—	view →
2022-10-04	SC	RA CAPITAL MANAGEMENT, L.P.	—	—	view →
2022-10-03	SC	BCLS SB Investco, LP	—	—	view →
2021-03-25	SC	BCLS SB Investco, LP	—	—	view →
2021-03-23	SC	PERCEPTIVE ADVISORS LLC	—	—	view →
2021-03-23	SC	RA CAPITAL MANAGEMENT, L.P.	—	—	view →
2020-12-17	SC	PERCEPTIVE ADVISORS LLC	—	—	view →
2020-12-11	SC	BCLS SB Investco, LP	—	—	view →
2019-07-30	SC	RA CAPITAL MANAGEMENT, LLC	—	—	view →
2019-07-30	SC	BCLS SB Investco, LP	—	—	view →

Other Filings by RA CAPITAL MANAGEMENT, L.P.

Filed	Form	Issuer	Stake	Shares
2026-10-26	SCHEDULE 13G	Alector, Inc.	—	—	view →
2026-10-22	SCHEDULE 13G	Frazier Life Sciences Acquisition Corp. II	—	—	view →
2026-09-22	SCHEDULE 13G	BetterLife Pharma Inc.	—	—	view →
2026-09-21	SCHEDULE 13D/A	SIONNA THERAPEUTICS, INC.	14.30%	6,476,193	view →
2026-09-17	SCHEDULE 13D/A	TYRA BIOSCIENCES, INC.	—	14,130,492	view →
2026-09-03	SCHEDULE 13G	JATT III Acquisition Corp	—	—	view →
2026-08-17	SCHEDULE 13G	Latigo Biotherapeutics, Inc.	—	—	view →
2026-08-14	SCHEDULE 13D/A	SEPTERNA, INC.	—	5,525,324	view →
2026-08-11	SCHEDULE 13D/A	Wave Life Sciences, Inc.	—	34,314,406	view →
2026-08-10	SCHEDULE 13D/A	SAB Biotherapeutics, Inc.	—	9,609,852	view →
2026-07-23	SCHEDULE 13D/A	ARTIVA BIOTHERAPEUTICS, INC.	—	18,415,956	view →
2026-07-22	SCHEDULE 13D/A	Freenome, Inc.	—	15,367,270	view →
2026-07-21	SCHEDULE 13D/A	VOR BIOPHARMA INC.	—	12,937,855	view →
2026-07-20	SCHEDULE 13G	Agenus Inc.	—	—	view →
2026-07-07	SCHEDULE 13D/A	Climb Bio, Inc. CLYM	33.00%	23,249,186	view →
2026-07-02	SCHEDULE 13D/A	WEREWOLF THERAPEUTICS, INC. HOWL	4.10%	1,985,541	view →
2026-06-26	SCHEDULE 13D/A	WEREWOLF THERAPEUTICS, INC. HOWL	6.00%	2,915,742	view →
2026-06-24	SCHEDULE 13D/A	SOLID BIOSCIENCES INC. SLDB	—	12,036,126	view →
2026-06-22	SCHEDULE 13D/A	WEREWOLF THERAPEUTICS, INC. HOWL	—	3,654,307	view →
2026-06-18	SCHEDULE 13D	Parabilis Medicines, Inc. PBLS	23.80%	28,933,371	view →

Showing 20 of 87

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