SecBot SecBot
3 ·Filed Jun 12, 2026

CTKB

Cytek Biosciences, Inc.
NEUTRAL
Impact 2/10
Horizonimmediate Processed4mo ago SEC0001181190-26-000004
Form 3 — initial insider ownership statement
Actionable Insight • Neutral

This is a standard Form 3 filing with no trading or financial data. Monitor future Form 4 filings for any open-market purchases or sales by Muir, which would provide actionable signals. No immediate trading action warranted.

DirectionNeutral
Confidencehigh
Horizonimmediate
Final — all horizons settled through T+60d
CTKB ▲ +20.36% at T+60d
NEUTRAL call +20.36% · α vs SPY +19.35% · entry $3.93 → $4.73
Entry = T+0 close
Jun 12, 2026
via day close
T+1d
+4.07%
call +4.07% · α +4.67%
$4.09
settled 5mo ago
T+5d
-1.78%
call -1.78% · α -0.40%
$3.86
settled 4mo ago
T+20d
+14.76%
call +14.76% · α +15.51%
$4.51
settled 4mo ago
T+60d
+20.36%
call +20.36% · α +19.35%
$4.73
settled 7w ago

Price Chart

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Executive Summary

Glenn P. Muir filed a Form 3 initial statement of beneficial ownership with Cytek Biosciences, Inc., indicating he has become a director or officer of the company. The filing is a routine administrative requirement for new insiders and contains no financial data or trading activity.

Key Facts

  • Glenn P. Muir filed a Form 3 initial statement of beneficial ownership on June 12, 2026, with a period of report of June 10, 2026.
  • The filing includes a Power of Attorney authorizing multiple individuals to execute Section 16 filings on Muir's behalf.
  • No beneficial ownership amounts or securities transactions are disclosed in the filing.

Financial Impact

No financial impact; the filing is a routine insider onboarding form with no monetary figures.

Risk Factors

  • No material risks identified from this filing alone.

Market Snapshot

Exchange
Nasdaq
Sector
Laboratory Analytical Instruments
Analyst Consensus
70% bullish (10 analysts)

Investment Themes

Documents Analyzed

This report is based on 4 SEC documents filed with EDGAR.

DocumentAccession Number
3 Filing (Primary)0001181190-26-000004
Document: 0001181190-26-000004-index-headers.html0001181190-26-000004
Document: 0001181190-26-000004-index.html0001181190-26-000004
Document: 0001181190-26-000004.txt0001181190-26-000004
8 reports for CTKB
Performance horizon

Track record builds as more directional reports settle.

Filters
Rows
Reports for CTKB — sortable, filterable
TypeNow
Oct 21, 2026
6d ago
Press Release
NEUTRAL ★ 1/10
$5.43awaiting T+20—$5.98 (+10.13%)
Sep 22, 2026
5w ago
Institutional Cluster
MIXED ★ 4/10
$5.71 $5.34▼ −6.48%▼ −5.92%$5.98 (+4.73%)
Aug 24, 2026
9w ago
8-K
BEARISH ★ 7/10
$4.44 $5.71▼ −28.60%▼ −27.29%$5.98 (−34.68%)
Jun 25, 2026
17w ago
8-K
NEUTRAL ★ 2/10
$4.48 $4.56▲ +1.79%▲ +0.53%$5.98 (+33.48%)
Jun 12, 2026
19w ago
3
NEUTRAL ★ 2/10
$3.93 $4.51▲ +14.76%▲ +15.51%$5.98 (+52.16%)
Jun 11, 2026
19w ago
Institutional Cluster
BEARISH ★ 5/10
$4.02 $4.59▼ −14.18%▼ −12.29%$5.98 (−48.76%)
Jun 2, 2026
21w ago
8-K
NEUTRAL ★ 3/10
$4.05 $4.59▲ +13.33%▲ +14.33%$5.98 (+47.65%)
Apr 28, 2026
26w ago
DEFA14A
NEUTRAL ★ 2/10
$4.44 $4.12▼ −7.21%▼ −13.26%$5.98 (+34.68%)
Showing 8 of 8

US Market Status

Market Closed — Opens Thu (10h 10m)

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Report published Jun 12, 2026