Comparable stake leader
Francisco D. Salva
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
12/20
Latest evidence
16 Jun 2026
- Public ticker
- AZTR on NYSE
- Parsed ownership sources
-
13D/G, 3/4/5, and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Francisco D. Salva
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
12 of 20
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Francisco D. Salva
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
16 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001701478
- Issuer location
- Branford, CT
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 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
Francisco D. Salva
Disclosed value leader
Aaron G.l. Fletcher
Comparable rows
12/20
Latest evidence
16 Jun 2026
13D/G
3/4/5
13F
Lead comparable stake: 10%
8 rows are not safely comparable across share classes.
13D/G row: Francisco D. Salva
Showing 1-8 of 20 holder rows.
Quick read
Francisco D. Salva leads the comparable SEC ownership view at 10%.
12 of 20 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 Francisco D. Salva's linked filing trail.
Comparable ownership
Top 5
Francisco D. Salva
10%
Ayrton Capital LLC
10%
Alumni Capital LP
10%
Stonepine Capital Management, LLC
9.9%
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 20 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Francisco D. Salva |
13D/G
3/4/5
Salva Francisco D. · President and CEO, Director
|
10%
|
$1,138,418
5,421,039 shares
|
$0 | 16 Jun 2026 |
| 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 |
| Stonepine Capital Management, LLC |
13D/G
|
9.9%
|
$244,207
1,744,339 shares
|
$0 | 16 Jun 2026 |
| L1 Capital Global Opportunities Master Fund, Ltd. |
13D/G
|
2.6%
|
$38,290
273,497 shares
|
-$174,719 | 14 Nov 2025 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
0.87%
|
$109,951
469,878 shares
|
— | 31 Mar 2026 |
| UBS Group AG |
13F
Company
|
0.06%
|
$7,068
30,205 shares
|
— | 31 Mar 2026 |
| StoneX Group Inc. |
13F
Company
|
0.04%
|
$5,257
22,464 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 25 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
16 Jun 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 | ||
| Francisco D. Salva | President and CEO, Director | $956,192 | Median | 16 Jun 2026 | ||
| 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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Francisco D. Salva | AZTR | Common Stock | Conversion of derivative security | 18272.8% | 4,064,050 | 4,086,291 | 16 Jun 2026 | Direct | ||
| Francisco D. Salva | AZTR | Series A Convertible Non-Redeemable Preferred Stock | Conversion of derivative security | -100% | -500 | 0 | 16 Jun 2026 | Direct | ||
| 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.