13D·WATCH Activist + Insider Intelligence Live feed Blog About Pilot
FILER PROFILE · CIK 0001542073

He Wei-Wu

8 filings 2 distinct issuers Active 2018-04-042026-05-18

Track Record

Total filings
8
1 SCHEDULE 13D/A · 3 SCHEDULE · 4 SC
Distinct issuers
2
25% issuer diversity
Median stake
25.9%
10,163,035 avg shares
AI briefs cached
0/8
intent-classified filings

Backtested Performance · post-filing returns (split + dividend adjusted)

Median 30d
across 0 filings · win rate —
Median 60d
across 0 filings · win rate —
Median 90d
across 0 filings · win rate —
Median 1y
across 0 filings · win rate —

Anchor: closest trading day on/after filing's date_of_event. Source: Yahoo Finance daily adj_close. Past performance is not indicative of future results.

Filings · 8 total

FiledFormIssuerStakeSharesIntent
2026-05-18 SCHEDULE 13D/A CASI Pharmaceuticals, Inc.CASIF 23,985,535 view →
2026-01-29 SCHEDULE CASI Pharmaceuticals, Inc.CASIF 34.80% 8,965,535 view →
2026-01-09 SCHEDULE CASI Pharmaceuticals, Inc.CASIF 19.10% 3,965,535 view →
2025-06-20 SCHEDULE CASI Pharmaceuticals, Inc.CASIF 23.80% 3,735,535 view →
2021-11-23 SC CASI Pharmaceuticals, Inc. view →
2021-02-03 SC CASI Pharmaceuticals, Inc. view →
2020-03-24 SC CASI Pharmaceuticals, Inc. view →
2018-04-04 SC CASI Pharmaceuticals, Inc. view →

Alert me when He Wei-Wu files anything

Free. We email you when criteria match. One-click unsubscribe in every email.

Track this filer's every move in real time.

Custom alerts on filer activity · full feed access · daily intelligence · API. $1,500/mo. Pilots welcome.

Request a pilot →