13D·WATCH Activist + Insider Intelligence Live feed Blog About Pricing
SC Filed 2022-01-20 Event — SEC 0001193125-22-012716 →

Blackstone Holdings III L.P. → Sema4 Holdings Corp. WGSWW

Stake: — Shares: —
Composite Decision Signal · PASS (LOW BASE-RATE EDGE) Conviction Score: 6/100
  • Passive Schedule 13G filer baseline

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)
3 transactions
3 buys · 0 sales · 0 awards/exercises
Issuer Cluster
10 13D/G filings on this issuer
9 other filings besides this one
Filer Track Record
49 filings by this filer
48 other filings in the data moat
Short Interest · settle 2026-07-15
DTC 1.00
18,319 shares short · -64.1% vs prior

Form 4 Insider Transactions · last 365d

DateInsiderRoleTypeSharesPriceValue
2026-05-20 Casdin Capital, LLC director, 10%+ owner Buy 140,000 $43.81 $6.13M
2026-05-19 Casdin Capital, LLC director, 10%+ owner Buy 185,000 $42.60 $7.88M
2026-05-18 Casdin Capital, LLC director, 10%+ owner Buy 175,000 $42.55 $7.45M

Other 13D/G Filings on Sema4 Holdings Corp.

FiledFormFilerStakeShares
2026-05-22 SCHEDULE 13D/A CMLS Holdings LLC 17.90% 537,285 view →
2026-05-15 SCHEDULE 13D/A CMLS Holdings LLC 17.90% 537,285 view →
2026-05-11 SCHEDULE 13D/A CMLS Holdings LLC — 537,285 view →
2025-02-21 SCHEDULE ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI 4.89% 1,373,569 view →
2025-02-18 SCHEDULE ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI 6.10% 1,680,016 view →
2024-07-05 SC OPKO HEALTH, INC. — — view →
2022-12-05 SC CMLS Holdings LLC — — view →
2022-01-21 SC ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI — — view →
2022-01-19 SC CMLS Holdings LLC — — view →

Other Filings by Blackstone Holdings III L.P.

FiledFormIssuerStakeShares
2026-10-14 SCHEDULE 13D/A Bumble Inc. 12.00% 385,633 view →
2026-09-30 SCHEDULE 13D/A Bumble Inc. 14.10% 452,654 view →
2026-06-18 SCHEDULE 13D/A Bumble Inc. BMBL 17.20% 544,030 view →
2026-05-22 SCHEDULE 13D Blackstone Digital Infrastructure Trust Inc. BXDC 9.40% 9,111,800 view →
2024-03-11 SC Kinetik Holdings Inc. KNTK — — view →
2023-04-04 SC Finance of America Companies Inc. FOA — — view →
2023-03-14 SC Vivint Smart Home, Inc. — — view →
2023-02-22 SC Kinetik Holdings Inc. KNTK — — view →
2022-12-07 SC Finance of America Companies Inc. FOA — — view →
2022-12-06 SC Vivint Smart Home, Inc. — — view →
2022-11-21 SC Kinetik Holdings Inc. KNTK — — view →
2022-07-06 SC Sitio Royalties Corp. — — view →
2022-06-10 SC FIRSTENERGY CORP FE — — view →
2022-05-20 SC Kinetik Holdings Inc. KNTK — — view →
2022-05-19 SC FIRSTENERGY CORP FE — — view →
2022-02-25 SC Vivint Smart Home, Inc. — — view →
2022-02-22 SC Custom Truck One Source, Inc. CTOS — — view →
2022-02-10 SC Altus Midstream Co KNTK — — view →
2022-01-21 SC Altus Midstream Co KNTK — — view →
2022-01-13 SC Falcon Minerals Corp — — view →
Showing 20 of 48

Want this depth on every filing the moment it hits SEC EDGAR?

Free $0 (48h-delayed alerts) · Individual $49/mo (real-time) · Team & API $199/mo · Enterprise.

See pricing →