SEC CIK 1685994

Cumbo Alexander

Reported ownership across 2 companies, sourced from SEC Form 4 filings and updated daily.

Current Positions

CompanyShares OwnedAs Of
SLDBview stock →235,4052026-02-18
SRPTview stock →8,5672020-02-28

Position History — SLDB

Reported shares owned immediately after each Form 4 transaction, over time.

0117,063234,126351,1892022-122023-122024-122025-022025-122026-012026-022026-02

Recent Filings — SLDB

DateActivitySharesPriceOwned After
2026-02-18Open-market sale16,644$5.82235,405
2026-02-13Option exercise (derivative)30,031$0.0060,063
2026-02-13Option exercise30,031—252,049
2026-02-04Open-market sale48,913$6.44222,018
2026-02-02Open-market sale80,258$6.44270,931
2026-01-31Option exercise (derivative)100,400$0.00301,200
2026-01-31Option exercise100,400—351,189
2026-01-29Grant / award (derivative)254,900$0.00254,900
2026-01-29Grant / award (derivative)509,850$0.00509,850
2026-01-29Option exercise (derivative)169,401$0.000
2026-01-29Option exercise169,401—250,789
2026-01-29Grant / award (derivative)169,401$0.00169,401
2025-12-03Open-market sale10,808$5.1181,388
2025-12-02Option exercise (derivative)28,612$0.0028,613
2025-12-02Option exercise28,612—92,196
2025-08-14Grant / award (derivative)168,750$0.00168,750
2025-08-14Grant / award (derivative)337,500$0.00337,500
2025-02-14Open-market sale11,365$3.9660,717
2025-02-13Option exercise (derivative)30,031$0.0090,094
2025-02-13Option exercise30,031—72,082
2025-01-31Grant / award (derivative)401,600$0.00401,600
2024-12-03Open-market sale11,114$5.6038,484
2024-12-02Option exercise (derivative)28,612$0.0057,225
2024-12-02Option exercise28,612—49,598
2024-02-13Grant / award (derivative)240,250$0.00240,250
2024-02-13Grant / award (derivative)120,125$0.00120,125
2023-12-04Open-market sale11,757$2.7717,439
2023-12-02Option exercise (derivative)28,612$0.0085,837
2023-12-02Option exercise28,612—29,196
2022-12-02Grant / award (derivative)114,449$0.00114,449
2022-12-02Grant / award (derivative)228,900$0.00228,900
2022-12-02Grant / award584—584

Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.