Comparable stake leader
Ayrton Capital LLC
SEC ownership of Azitra, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001701478.
Disclosed value leader
Aaron G.l. Fletcher
Comparable rows
3/19
Latest evidence
20 Apr 2026
- Public ticker
- AZTR on NYSE
- Parsed ownership sources
- 13D/G, 3/4/5, and 13F
- Largest SEC-reported holder
- Ayrton Capital LLC
- Latest 13D/G holder
- Ayrton Capital LLC
- Latest parsed ownership date
- 20 Apr 2026
- Issuer CIK
- 0001701478
- Issuer location
- Branford, CT
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
2 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Azitra, Inc. (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
Ayrton Capital LLC
Disclosed value leader
Aaron G.l. Fletcher
Comparable rows
3/19
Latest evidence
20 Apr 2026
13D/G
3/4/5
13F
Lead comparable stake: 10%
16 rows are not safely comparable across share classes.
13D/G row: Ayrton Capital LLC
Showing 1-8 of 19 holder rows.
Quick read
Ayrton Capital LLC leads the comparable SEC ownership view at 10%.
3 of 19 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 Ayrton Capital LLC's linked filing trail.
Comparable ownership
Top 3
Ayrton Capital LLC
10%
Alumni Capital LP
10%
L1 Capital Global Opportunities M...
2.6%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 19 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Ayrton Capital LLC |
13D/G
|
10%
|
$515,383
1,662,525 shares
|
$0 | 31 Mar 2025 |
| Alumni Capital LP |
13D/G
|
10%
|
$158,567
1,132,622 shares
|
-$206,215 | 25 Nov 2025 |
| L1 Capital Global Opportunities Master Fund, Ltd. |
13D/G
|
2.6%
|
$38,290
273,497 shares
|
-$174,719 | 14 Nov 2025 |
| Aaron G.l. Fletcher |
3/4/5
10%+ Owner
|
—
class O/S missing
|
$34,071,905
6,814,381 shares
|
— | 21 Jun 2023 |
| Leslie W. Kreis |
3/4/5
10%+ Owner
|
—
class O/S missing
|
$33,716,915
6,743,383 shares
|
— | 21 Jun 2023 |
| BAYER HEALTHCARE LLC |
3/4/5
10%+ Owner
|
—
class O/S missing
|
$6,537,005
1,307,401 shares
|
— | 21 Jun 2023 |
| Andrew McClary |
3/4/5
Director
|
—
class O/S missing
|
$1,459,555
291,911 shares
|
— | 23 Jun 2023 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
—
class O/S missing
|
$109,951
469,878 shares
|
— | 31 Mar 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 04 Jun 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 1-9 of 9 reporting-owner rows connected to Azitra, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
9
Largest Forms 3/4/5 holder
Aaron G.l. Fletcher
Net 12M change
$0
Latest report
20 Apr 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Aaron G.l. Fletcher | 10%+ Owner | $34,071,905 | Mixed | 21 Jun 2023 | ||
| Leslie W. Kreis | 10%+ Owner | $33,716,915 | Mixed | 21 Jun 2023 | ||
| BAYER HEALTHCARE LLC | 10%+ Owner | $6,537,005 | Mixed | 21 Jun 2023 | ||
| Andrew McClary | Director | $1,459,555 | Mixed | 23 Jun 2023 | ||
| Barbara Ryan | Director | Mixed | 19 Dec 2025 | |||
| Norm Staskey | Chief Financial Officer | Mixed | 20 Apr 2026 | |||
| Travis Whitfill | Chief Operating Officer, Director | Mixed | 20 Apr 2026 | |||
| John R. Schroer | Director | Mixed | 19 Dec 2025 | |||
| Francisco D. Salva | President and CEO, Director | Mixed | 20 Apr 2026 |
Recent insider transactions for Azitra, Inc.
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Norm Staskey | AZTR | Stock Options (Right To Buy) | Award | 35,524 | 35,524 | 20 Apr 2026 | Direct | |||
| Francisco D. Salva | AZTR | Stock Options (Right To Buy) | Award | 220,879 | 220,879 | 20 Apr 2026 | Direct | |||
| Travis Whitfill | AZTR | Stock Options (Right To Buy) | Award | 64,300 | 64,300 | 20 Apr 2026 | Direct | |||
| Francisco D. Salva | AZTR | Series C Warrants | Purchase | 4,064,050 | 4,064,050 | 18 Mar 2026 | Direct | |||
| Francisco D. Salva | AZTR | Series B Warrants | Purchase | 4,064,050 | 4,064,050 | 18 Mar 2026 | Direct | |||
| Francisco D. Salva | AZTR | Series A Convertible Non-Redeemable Preferred Stock | Purchase | 500 | 500 | 18 Mar 2026 | Direct | |||
| Travis Whitfill | AZTR | Stock Options (Right To Buy) | Award | 23,724 | 23,724 | 19 Dec 2025 | Direct | |||
| Francisco D. Salva | AZTR | Stock Options (Right To Buy) | Award | 59,309 | 59,309 | 19 Dec 2025 | Direct | |||
| Barbara Ryan | AZTR | Stock Options (Right To Buy) | Award | 3,003 | 3,003 | 19 Dec 2025 | Direct | |||
| Norm Staskey | AZTR | Stock Options (Right To Buy) | Award | 15,015 | 15,015 | 19 Dec 2025 | Direct | |||
| John R. Schroer | AZTR | Stock Options (Right To Buy) | Award | 3,003 | 3,003 | 19 Dec 2025 | Direct |
* marks a reported price that did not pass the local price check.