Security key
031094204
Amesite Inc. - Common Stock, par value $0.0001 per share (AMST)
CUSIP: 031094204
Q3 2026 13F Holders as of 30 Sep 2026
- Security type / class
- Equity / Common Stock, par value $0.0001 per share
- Total 13F shares
- 43,190
- Total 13F value
- $42,766
- Share change
- -3,779
- SEC-reported price per share
- $0.99
- Number of holders
- 2
- Value change
- -$3,742
- Number of sells
- 1
- Shares outstanding
- 5,883,267
Holder snapshot
5 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2026
Institutions
2
Top holders
2
AMST full security history
Ownership snapshot
Full 13F holder table
Previous quarter: Q2 2026
Amesite Inc. SEC filings
Amesite Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 031094204
Recent filing periods:
Ownership snapshot
Top reported holders of AMST - Amesite Inc. - Common Stock, par value $0.0001 per share (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
INTRACOASTAL CAPITAL, LLC
Disclosed value leader
Mark N. Tompkins
Comparable rows
1/15
Latest evidence
30 Sep 2026
13D/G
3/4/5
13F
Lead comparable stake: 5%
14 rows are not safely comparable across share classes.
13D/G row: INTRACOASTAL CAPITAL, LLC
Showing 1-6 of 15 holder rows.
Quick read
INTRACOASTAL CAPITAL, LLC leads the comparable SEC ownership view at 5%.
1 of 15 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 INTRACOASTAL CAPITAL, LLC's linked filing trail.
Comparable ownership
Top 1
INTRACOASTAL CAPITAL, LLC
5%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| INTRACOASTAL CAPITAL, LLC |
13D/G
Mitchell P. Kopin
|
5%
Reported 13D/G
· 27 Apr 2026
|
$311,190
293,575 shares
|
$0 | 27 Apr 2026 |
| Mark N. Tompkins |
3/4/5
10%+ Owner
|
—
denominator unverified
|
$5,103,671
2,043,103 shares
|
— | 28 May 2021 |
| Ann Marie Sastry |
3/4/5
CHIEF EXECUTIVE OFFICER, Director
|
—
mixed-class rows
|
$4,132,536
2,273,510 shares
mixed-class rows
|
+$250,000 | 28 Apr 2026 |
| George Parmer |
3/4/5
Director
|
—
mixed-class rows
|
$953,453
1,143,797 shares
mixed-class rows
|
+$349,999 | 30 Sep 2026 |
| J. Michael Losh |
3/4/5
Director
|
—
mixed-class rows
|
$473,165
254,111 shares
mixed-class rows
|
— | 30 Sep 2026 |
| Gilbert S. Omenn |
3/4/5
Director
|
—
mixed-class rows
|
$450,822
239,626 shares
mixed-class rows
|
— | 30 Sep 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.
13F holder rows
Institutional holders as of Q3 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
2
Shares
43,190
Rows available
2
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q3 2026 vs Q2 2026 Across Filers
Q2 2026 holders
13
Q3 2026 holders
2
Holder diff
-11
| Investor | Q2 2026 Shares | Q3 2026 Shares | Share Diff | Share Chg % | Q2 2026 value | Q3 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend