Comparable stake leader
ARMISTICE CAPITAL, LLC
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001506983.
Comparable stake leader
ARMISTICE CAPITAL, LLC
Disclosed value leader
John Ballantyne
Comparable rows
14/23
Latest evidence
31 Mar 2026
Ownership snapshot
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.
Quick read
14 of 23 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.
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| ARMISTICE CAPITAL, LLC |
13D/G
|
5%
|
$89,861
102,115 shares
|
+$915 | 31 Mar 2026 |
| SABBY MANAGEMENT, LLC |
13D/G
|
4.9%
|
$241,352
647,055 shares
|
$0 | 31 Dec 2024 |
| Ikarian Capital, LLC |
13D/G
13F
Company
|
4.5%
|
$175,071
45,830 shares
|
$0 | 31 Dec 2025 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
2.3%
|
$30,550
47,001 shares
|
— | 31 Mar 2026 |
| HRT FINANCIAL LP |
13F
Company
|
2%
|
$26,000
40,631 shares
|
— | 31 Mar 2026 |
| BOOTHBAY FUND MANAGEMENT, LLC |
13F
Company
|
0.66%
|
$8,791
13,525 shares
|
— | 31 Mar 2026 |
| VANGUARD FIDUCIARY TRUST CO |
13F
Company
|
0.23%
|
$3,069
4,722 shares
|
— | 31 Mar 2026 |
| ALERUS FINANCIAL NA |
13F
Company
|
0.2%
|
$2,600
4,000 shares
|
— | 31 Mar 2026 |
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 buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 25 Jun 2025.
| 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
Showing 1-12 of 12 reporting-owner rows connected to Glucotrack, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| John Ballantyne | Director, 10%+ Owner | $85,179,227 | Mixed | 16 Aug 2024 | ||
| John A. Ballantyne Revocable Living Trust dated 08/01/2017 | 10%+ Owner | $85,051,321 | Mixed | 30 Jul 2024 | ||
| Drew Sycoff | Director, 10%+ Owner | $3,718,585 | Filing P/S | 01 Jul 2024 | ||
| Robert Fischell | Director | $63,804 | Mixed | 24 Aug 2021 | ||
| Andrew K. Balo | Director | $22,850 | Mixed | 26 Mar 2025 | ||
| Luis Malave | Director | $19,762 | Mixed | 25 Mar 2025 | ||
| Allen Danzig | Director | $18,960 | Mixed | 04 Oct 2022 | ||
| Erin Catherine Carter | Director | $10,460 | Mixed | 25 Mar 2025 | ||
| Paul Goode | Chief Executive Officer, Director | $1,650 | Mixed | 25 Mar 2025 | ||
| Brendel Victoria Carr | Director | Mixed | 22 May 2025 | |||
| Peter C. Wulff | Chief Financial Officer | Mixed | 28 Jan 2025 | |||
| James S. Cardwell | Chief Financial Officer | Mixed | 11 Oct 2023 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Andrew K. Balo | GCTK | Common Stock, par value $0.001 per share | Award | 37.7% | 1,285 | 4,692 | 03 Oct 2025 | Direct | ||
| Andrew K. Balo | GCTK | Stock option (right to buy) | Award | 4,055 | 4,055 | 03 Oct 2025 | Direct | |||
| Luis Malave | GCTK | Common Stock, par value $0.001 per share | Award | 12.9% | 463 | 4,058 | 03 Oct 2025 | Direct | ||
| Luis Malave | GCTK | Stock option (right to buy) | Award | 4,055 | 4,055 | 03 Oct 2025 | Direct | |||
| Erin Catherine Carter | GCTK | Common Stock, par value $0.001 per share | Award | 21.9% | 386 | 2,148 | 03 Oct 2025 | Direct | ||
| Erin Catherine Carter | GCTK | Stock option (right to buy) | Award | 4,055 | 4,055 | 03 Oct 2025 | Direct | |||
| Andrew K. Balo | GCTK | Common Stock, par value $0.001 per share | Award | 4442.7% | 3,332 | 3,407 | 11 Jul 2025 | Direct | ||
| Luis Malave | GCTK | Common Stock, par value $0.001 per share | Award | 50.1% | 1,200 | 3,595 | 11 Jul 2025 | Direct | ||
| Erin Catherine Carter | GCTK | Common Stock, par value $0.001 per share | Award | 131.2% | 1,000 | 1,762 | 11 Jul 2025 | Direct |