13D·WATCH Activist + Insider Intelligence Live feed Blog About Pricing
ISSUER PROFILE · CIK 0001831915

Cytek Biosciences, Inc.CTKB

2 13D/G filings 1 distinct filers 8 insider transactions (365d)

Cross-Reference Snapshot

Activist filings
2
2 SC
Distinct filers
1
single filer
Insiders (365d)
8
6 buys · 0 sales
Latest short DTC
2.68
as of 2026-10-15

Institutional Consensus · 2025-12-31

Held by elite portfolio managers
1 holder · $577K
Point72 Asset Mgmt

13D/G Filings Timeline · 2 total

FiledFormFilerStakeSharesIntent
2022-03-14 SC RA CAPITAL MANAGEMENT, L.P. — — view →
2022-02-28 SC RA CAPITAL MANAGEMENT, L.P. — — view →

Form 4 Insider Transactions · last 365d

DateInsiderRoleTypeSharesPriceValue
2026-06-10 Ball Jack director Option exercise 43,973 — —
2026-06-10 MUIR GLENN P director Award 55,555 — —
2026-06-10 MUIR GLENN P director Award 29,835 $4.05 $121K
2026-06-10 Chin Richard director Award 33,333 — —
2026-06-10 Chin Richard director Award 18,261 $4.05 $74K
2026-06-10 Imper Vera director Option exercise 43,973 — —
2026-06-10 Imper Vera director Award 33,333 — —
2026-06-10 Imper Vera director Award 18,261 $4.05 $74K

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-10-15 4,409,745 2.68 -15.4%
2026-09-30 5,215,595 3.13 -0.5%
2026-09-15 5,242,079 5.74 +6.3%
2026-08-31 4,931,028 6.64 -1.2%
2026-08-14 4,989,610 5.08 +1.9%
2026-07-31 4,895,239 7.46 -2.7%
2026-07-15 5,029,578 5.46 +43.4%
2026-06-30 3,507,190 1.03 -50.2%
2026-06-15 7,042,866 5.53 -3.6%
2026-05-29 7,304,635 8.14 +6.4%
2026-05-15 6,864,944 5.96 -11.3%
2026-04-30 7,740,907 12.37 -4.4%

Alert me when any activist files on Cytek Biosciences, Inc.

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

Track every activist who touches this name.

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

See pricing →