Ann Marie Sastry
CIK 1735506 · View on SEC EDGAR ↗
First SEC filing: Sept. 25, 2020 · Latest: Sept. 25, 2020
On this page
- Insider at Companies where this person is a reporting insider.
- Insider transactions Every share this person bought or sold, from Form 4 filings.
- Derivatives Options and other derivative holdings reported by this person.
- Initial holdings The stakes this person held when they first started reporting.
- Compensation Executive pay disclosed in company proxy statements.
Insider at
Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| April 28, 2026 | AMST | P | 174,216 | — | — | 174,216 Direct | — | Acquired | (price as of 2026-08-21) |
| April 28, 2026 | AMST | P | 174,216 | — | — | 174,216 Direct | — | Acquired | (price as of 2026-08-21) |
| April 28, 2026 | AMST | P | 174,216 | $1.44 | $250,871 | 1,049,647 Direct | +19.90% | Acquired | -34.7% (price as of 2026-08-21) |
| Jan. 7, 2025 | AMST | P | 333,333 | $3.00 | $999,999 | 875,431 Indirect | +61.49% | Acquired | -68.7% (price as of 2026-08-21) |
| Dec. 20, 2023 | AMST | P | 10,000 | $1.85 | $18,500 | 542,098 Indirect | +1.88% | Acquired | -49.2% (price as of 2026-08-21) |
| March 8, 2023 | AMST | P | 1,019 | $3.10 | $3,159 | 532,098 Indirect | +0.19% | Acquired | -69.7% (price as of 2026-08-21) |
| March 3, 2023 | AMST | P | 2,000 | $3.00 | $6,000 | 531,079 Indirect | +0.38% | Acquired | -68.7% (price as of 2026-08-21) |
| March 1, 2023 | AMST | P | 2,000 | $3.00 | $6,000 | 529,079 Indirect | +0.38% | Acquired | -68.7% (price as of 2026-08-21) |
| Feb. 24, 2023 | AMST | P | 2,000 | $2.42 | $4,840 | 527,079 Indirect | +0.38% | Acquired | -61.2% (price as of 2026-08-21) |
| Dec. 1, 2022 | AMST | P | 20,000 | $0.33 | $6,600 | 6,266,667 Indirect | +0.32% | Acquired | -76.3% (price as of 2026-08-21) |
| Nov. 28, 2022 | AMST | P | 20,000 | $0.23 | $4,600 | 6,246,667 Indirect | +0.32% | Acquired | -65.9% (price as of 2026-08-21) |
| Dec. 28, 2021 | AMST | P | 5,000 | $0.99 | $4,950 | 6,284,938 Indirect | +0.08% | Acquired | -92.1% (price as of 2026-08-21) |
| Nov. 19, 2021 | AMST | P | 38,271 | $1.31 | $50,135 | 6,279,938 Indirect | +0.61% | Acquired | -94.0% (price as of 2026-08-21) |
| June 11, 2021 | AMST | P | 15,000 | $3.73 | $55,950 | 6,241,667 Indirect | +0.24% | Acquired | -97.9% (price as of 2026-08-21) |
| Sept. 29, 2020 | AMST | P | 10,000 | $5.00 | $50,000 | 6,226,667 Indirect | +0.16% | Acquired | -98.4% (price as of 2026-08-21) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| April 28, 2026 | AMST | Series A-2 Warrants (right to buy) | Common Stock (174,216) | $1.44 | Oct. 28, 2027 | 174,216 | Acquired |
| April 28, 2026 | AMST | Series A-1 Warrants (right to buy) | Common Stock (174,216) | $1.44 | April 28, 2031 | 174,216 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 2 holdings
Securities held when first becoming an insider, per SEC Form 3.
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2025 | $550,000 | — | — | — | — | — | — | $550,000 |
| 2024 | $571,153 | — | — | — | — | — | — | $571,153 |
| 2023 | $550,000 | — | — | — | — | — | — | $550,000 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.