SEC ownership of Clearthink 1 Acquisition Corp.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0002094073.

Comparable stake leader

GLAZER CAPITAL, LLC

Disclosed value leader

GLAZER CAPITAL, LLC

Comparable rows

8/11

Latest evidence

30 Jun 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
8 of 11
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
GLAZER CAPITAL, LLC
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
30 Jun 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0002094073
Issuer location
Boca Raton, FL

Ownership snapshot

Top shareholders of Clearthink 1 Acquisition Corp. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
GLAZER CAPITAL, LLC
Disclosed value leader
GLAZER CAPITAL, LLC
Comparable rows
8/11
Latest evidence
30 Jun 2026
13D/G 3/4/5 13F Lead comparable stake: 8.6% 3 rows are not safely comparable across share classes. 13D/G row: GLAZER CAPITAL, LLC Showing 1-8 of 11 holder rows.

Quick read

GLAZER CAPITAL, LLC leads the comparable SEC ownership view at 8.6%.

8 of 11 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens GLAZER CAPITAL, LLC's linked filing trail.
Comparable ownership Top 5
GLAZER CAPITAL, LLC 8.6%
MANGROVE PARTNERS IM, LLC 8.4%
ARISTEIA CAPITAL, L.L.C. 6.4%
AQR CAPITAL MANAGEMENT LLC 6.2%
HIGHBRIDGE CAPITAL MANAGEMENT LLC 5.4%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 11 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
GLAZER CAPITAL, LLC
13D/G
8.6%
$10,732,672
1,075,418 shares
$0 31 Mar 2026
MANGROVE PARTNERS IM, LLC
13D/G
8.4%
$10,455,050
1,055,000 shares
$0 30 Jun 2026
ARISTEIA CAPITAL, L.L.C.
13D/G
6.4%
$7,984,000
800,000 shares
$0 31 Mar 2026
AQR CAPITAL MANAGEMENT LLC
13D/G
6.2%
$7,755,779
776,743 shares
$0 31 Mar 2026
HIGHBRIDGE CAPITAL MANAGEMENT LLC
13D/G
5.4%
$6,793,432
680,691 shares
$0 31 Mar 2026
Harraden Circle Investments, LLC
13D/G
5.2%
659,832 shares
$0 24 Feb 2026
William Brock
3/4/5
CEO and President, Director
2.5%
$3,140,550
315,000 shares
25 Feb 2026
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS
13F
Company
13F
2.4%
$2,973,000
300,000 shares
30 Jun 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 15 Aug 2025.

Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 0
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 0 $0 $0 $0
3-6 0 0 $0 $0 $0
6-9 0 0 $0 $0 $0
9-12 0 0 $0 $0 $0

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-4 of 4 reporting-owner rows connected to Clearthink 1 Acquisition Corp.. Open a relationship link for the CIK-to-CIK filing trail.

Rows
4
Largest Forms 3/4/5 holder
William Brock
Net 12M change
$0
Latest report
25 Feb 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
William Brock CEO and President, Director $3,140,550 Mixed 25 Feb 2026
Thomas Zipser CFO, Treasurer and Secretary, Director Mixed 25 Feb 2026
Yosef Milgrom Director Mixed 25 Feb 2026
Darwin Hunt Director Mixed 25 Feb 2026

Recent insider transactions for Clearthink 1 Acquisition Corp.

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
William Brock CTAA Class A Ordinary Shares 0 315,000 25 Feb 2026 By ClearThink 1 Sponsor LLC
* marks a reported price that did not pass the local price check.
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .