Ann Marie Sastry is CEO at Amesite Inc. (AMST). They have made 15 open-market trades across 2 companies since 2018, most recently 2026-04-28.
CIK 0001735506
15 open-market purchases totalling $2.1M since 2018, never a sale. Across 13 scored buys the stock is down 3.1% at ninety days, and 5.1 points behind the S&P over the same stretch.
13 scored purchases · one row per filing · discretionary only
| Ticker | Shares | Value |
|---|---|---|
| AMST | 174,216 | $152K |
| PrivateUnlisted | 6,216,667 | — |
| Total | $152K |
Shares reported on the most recent Form 4, priced at the 2026-05-18 close. 1 holding could not be priced and is excluded from the total.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 46% | 23% | 38% |
| Avg Move | -5.6% | -8.5% | -3.1% |
| Alpha | -5.3% | -7.8% | -5.1% |
| Scored | 13 | 13 | 13 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| AMST | BUY | 2026-04-28 | 2026-05-18 | $1.44 | $250K | -40.4% | -46.9% | -58.9% |
| AMST | BUY | 2025-01-07 | 2025-01-08 | $3.00 | $1000K | +11.9% | +9.2% | -25.8% |
| AMST | BUY | 2023-12-20 | 2023-12-21 | $1.85 | $19K | +0.2% | -7.4% | -2.2% |
| AMST | BUY | 2023-03-08 | 2023-03-08 | $3.10 | $3K | -19.9% | +21.8% | +18.3% |
| AMST | BUY | 2023-03-03 | 2023-03-03 | $3.00 | $6K | -14.2% | +47.9% | +38.8% |
| AMST | BUY | 2023-03-01 | 2023-03-01 | $3.00 | $6K | -2.5% | -7.1% | +55.5% |
| AMST | BUY | 2023-02-24 | 2023-02-24 | $2.42 | $5K | +16.0% | -8.7% | +67.2% |
| AMST | BUY | 2022-12-01 | 2022-12-02 | $0.33 | $7K | -17.6% | -42.8% | -20.6% |
| AMST | BUY | 2022-11-28 | 2022-11-28 | $0.23 | $5K | +7.8% | -16.4% | -0.3% |
| AMST | BUY | 2021-12-28 | 2021-12-28 | $0.99 | $5K | +15.2% | -22.3% | -36.1% |
| AMST | BUY | 2021-11-19 | 2021-11-19 | $1.31 | $100K | -12.5% | -3.1% | -44.5% |
| AMST | BUY | 2021-06-11 | 2021-06-11 | $3.73 | $56K | -19.5% | -27.9% | -37.9% |
| AMST | BUY | 2020-09-29 | 2020-09-29 | $5.00 | $50K | +2.0% | -6.8% | +6.5% |
| PrivateAmesite Inc. | BUY | 2019-08-15 | 2019-08-19 | $2.00 | $200K | N/A | N/A | N/A |
| PrivateAmesite Inc. | BUY | 2018-04-27 | 2018-05-01 | $1.20 | $340K | N/A | N/A | N/A |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.