Thomas S. Lam
First SEC filing: April 29, 2016 · Latest: April 29, 2016
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 6, 2026 | ASTH | A | 41,667 | · | · | 465,657 Direct | +9.83% | Acquired | (price as of 2026-10-02) |
| March 5, 2026 | ASTH | F | 9,266 | $25.07 | $232,299 | 423,990 Direct | -2.14% | Disposed | 43.1% (price as of 2026-10-02) |
| Dec. 8, 2025 | ASTH | M | 29,502 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Dec. 8, 2025 | ASTH | F | 25,866 | $22.00 | $569,052 | 433,256 Direct | -5.63% | Disposed | 63.1% (price as of 2026-10-02) |
| Dec. 8, 2025 | ASTH | M | 29,502 | $17.78 | $524,546 | 459,122 Direct | +6.87% | Acquired | 101.8% (price as of 2026-10-02) |
| March 5, 2025 | ASTH | F | 9,235 | $27.19 | $251,100 | 429,620 Direct | -2.10% | Disposed | 32.0% (price as of 2026-10-02) |
| Feb. 15, 2025 | ASTH | J | 26,232 | · | · | 1,133,706 Indirect | +2.37% | Acquired | (price as of 2026-10-02) |
| Feb. 15, 2025 | ASTH | J | 699,896 | · | · | 6,132,802 Indirect | -10.24% | Disposed | (price as of 2026-10-02) |
| Nov. 8, 2024 | ASTH | A | 26,667 | · | · | 438,855 Direct | +6.47% | Acquired | (price as of 2026-10-02) |
| Nov. 8, 2024 | ASTH | A | 13,333 | · | · | 412,188 Direct | +3.34% | Acquired | (price as of 2026-10-02) |
| Sept. 9, 2024 | ASTH | M | 28,046 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Sept. 9, 2024 | ASTH | F | 11,046 | $47.35 | $523,028 | 398,855 Direct | -2.69% | Disposed | -24.2% (price as of 2026-10-02) |
| Sept. 9, 2024 | ASTH | M | 28,046 | $18.65 | $523,058 | 409,901 Direct | +7.34% | Acquired | 92.4% (price as of 2026-10-02) |
| Dec. 15, 2023 | ASTH | A | 30,000 | · | · | 381,855 Direct | +8.53% | Acquired | (price as of 2026-10-02) |
| Dec. 15, 2023 | ASTH | A | 30,000 | · | · | 351,855 Direct | +9.32% | Acquired | (price as of 2026-10-02) |
| Dec. 15, 2023 | ASTH | A | 30,000 | · | · | 321,855 Direct | +10.28% | Acquired | (price as of 2026-10-02) |
| Dec. 5, 2022 | ASTH | M | 51,443 | $10.00 | $514,430 | 243,270 Direct | +26.82% | Acquired | 258.8% (price as of 2026-10-02) |
| Dec. 5, 2022 | ASTH | M | 48,585 | $11.00 | $534,435 | 291,855 Direct | +19.97% | Acquired | 226.2% (price as of 2026-10-02) |
| Dec. 5, 2022 | ASTH | M | 51,443 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Dec. 5, 2022 | ASTH | M | 48,586 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Dec. 2, 2022 | ASTH | J | 984,042 | · | · | 10,191,660 Indirect | -8.81% | Disposed | (price as of 2026-10-02) |
| Dec. 2, 2022 | ASTH | J | 37,439 | · | · | 1,107,474 Indirect | +3.50% | Acquired | (price as of 2026-10-02) |
| Sept. 27, 2022 | ASTH | G | 383,764 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| Sept. 27, 2022 | ASTH | G | 383,764 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| March 3, 2022 | ASTH | G | 200,000 | · | · | 799,855 Indirect | -20.00% | Disposed | (price as of 2026-10-02) |
| Nov. 2, 2021 | ASTH | A | 65,242 | · | · | 191,827 Direct | +51.54% | Acquired | (price as of 2026-10-02) |
| Nov. 2, 2021 | ASTH | A | 29,502 | · | · | 29,502 Direct | · | Acquired | (price as of 2026-10-02) |
| March 30, 2021 | ASTH | M | 31,755 | $10.00 | $317,550 | 908,183 Indirect | +3.62% | Acquired | 258.8% (price as of 2026-10-02) |
| March 30, 2021 | ASTH | M | 31,755 | $10.00 | $317,550 | 908,183 Indirect | +3.62% | Acquired | 258.8% (price as of 2026-10-02) |
| March 30, 2021 | ASTH | M | 31,755 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| Dec. 22, 2020 | ASTH | J | 185,938 | · | · | 876,428 Indirect | +26.93% | Acquired | (price as of 2026-10-02) |
| Dec. 10, 2020 | ASTH | A | 65,242 | · | · | 126,585 Direct | +106.36% | Acquired | (price as of 2026-10-02) |
| Dec. 10, 2020 | ASTH | A | 29,502 | · | · | 29,502 Direct | · | Acquired | (price as of 2026-10-02) |
| Sept. 14, 2020 | ASTH | P | 5,000 | $17.28 | $86,400 | 690,490 Indirect | +0.73% | Acquired | 107.6% (price as of 2026-10-02) |
| Sept. 10, 2020 | ASTH | J | 564,691 | · | · | 685,490 Indirect | -45.17% | Disposed | (price as of 2026-10-02) |
| Sept. 10, 2020 | ASTH | J | 564,691 | · | · | 564,691 Indirect | · | Acquired | (price as of 2026-10-02) |
| Sept. 9, 2020 | ASTH | P | 5,000 | $17.85 | $89,250 | 1,814,872 Indirect | +0.28% | Acquired | 101.0% (price as of 2026-10-02) |
| Sept. 8, 2020 | ASTH | M | 63,510 | $9.00 | $571,590 | 1,840,124 Indirect | +3.57% | Acquired | 298.7% (price as of 2026-10-02) |
| Sept. 8, 2020 | ASTH | F | 30,252 | $18.89 | $571,460 | 1,809,872 Indirect | -1.64% | Disposed | 89.9% (price as of 2026-10-02) |
| Sept. 8, 2020 | ASTH | M | 63,510 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| Aug. 27, 2020 | ASTH | P | 5,000 | $18.23 | $91,150 | 1,776,614 Indirect | +0.28% | Acquired | 96.8% (price as of 2026-10-02) |
| Dec. 30, 2019 | ASTH | A | 28,046 | · | · | 28,046 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 30, 2019 | ASTH | A | 61,343 | · | · | 61,343 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 27, 2019 | ASTH | J | 39,189 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Dec. 27, 2019 | ASTH | J | 58,883 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Dec. 8, 2019 | ASTH | A | 93,450 | · | · | 17,158,389 Indirect | +0.55% | Acquired | (price as of 2026-10-02) |
| Dec. 8, 2019 | ASTH | A | 86,874 | · | · | 1,830,497 Indirect | +4.98% | Acquired | (price as of 2026-10-02) |
| Nov. 14, 2019 | ASTH | P | 10,000 | $14.84 | $148,400 | 1,743,623 Indirect | +0.58% | Acquired | 141.8% (price as of 2026-10-02) |
| Sept. 30, 2019 | ASTH | A | 39,189 | · | · | 39,189 Direct | · | Acquired | (price as of 2026-10-02) |
| Sept. 30, 2019 | ASTH | A | 58,883 | · | · | 58,883 Direct | · | Acquired | (price as of 2026-10-02) |
| Sept. 11, 2019 | ASTH | A | 15,015,015 | $300000000.00 | $4,504,504,500,000,000 | 16,790,575 Indirect | +845.65% | Acquired | -100.0% (price as of 2026-10-02) |
| Aug. 15, 2019 | ASTH | P | 4,000 | $15.57 | $62,280 | 1,668,740 Indirect | +0.24% | Acquired | 130.4% (price as of 2026-10-02) |
| Aug. 15, 2019 | ASTH | P | 6,000 | $16.19 | $97,140 | 1,674,740 Indirect | +0.36% | Acquired | 121.6% (price as of 2026-10-02) |
| Aug. 14, 2019 | ASTH | P | 7,200 | $16.85 | $121,320 | 1,664,740 Indirect | +0.43% | Acquired | 112.9% (price as of 2026-10-02) |
| June 11, 2019 | ASTH | P | 6,900 | $14.64 | $101,016 | 1,657,540 Direct | +0.42% | Acquired | 145.1% (price as of 2026-10-02) |
| Dec. 8, 2018 | ASTH | A | 86,876 | · | · | 1,650,640 Direct | +5.56% | Acquired | (price as of 2026-10-02) |
| Dec. 8, 2018 | ASTH | A | 93,451 | · | · | 1,775,560 Indirect | +5.56% | Acquired | (price as of 2026-10-02) |
| Dec. 8, 2017 | ASTH | J | 1,563,763 | · | · | 1,563,763 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 8, 2017 | ASTH | J | 1,682,109 | · | · | 1,682,109 Indirect | · | Acquired | (price as of 2026-10-02) |
| Dec. 8, 2017 | ASTH | J | 1,664,054 | · | · | 1,664,054 Indirect | · | Acquired | (price as of 2026-10-02) |
| Dec. 8, 2017 | ASTH | J | 68,317 | · | · | 68,317 Indirect | · | Acquired | (price as of 2026-10-02) |
| Dec. 8, 2017 | ASTH | J | 34,159 | · | · | 34,159 Indirect | · | Acquired | (price as of 2026-10-02) |
| Dec. 8, 2017 | ASTH | J | 55,337 | · | · | 55,337 Indirect | · | Acquired | (price as of 2026-10-02) |
| Dec. 8, 2017 | ASTH | J | 52,263 | · | · | 52,263 Indirect | · | Acquired | (price as of 2026-10-02) |
| Dec. 8, 2017 | ASTH | J | 1,546,026 | · | · | 1,546,026 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 8, 2017 | ASTH | J | 63,511 | · | · | 63,511 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 8, 2017 | ASTH | J | 31,755 | · | · | 31,755 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 8, 2017 | ASTH | J | 51,444 | · | · | 51,443 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 8, 2017 | ASTH | J | 48,586 | · | · | 48,586 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 8, 2017 | ASTH | J | 1,111,111 | $9.00 | $9,999,999 | 0 Indirect | -100.00% | Disposed | 298.7% (price as of 2026-10-02) |
| Dec. 8, 2017 | ASTH | J | 555,555 | $9.00 | $4,999,995 | 0 Indirect | -100.00% | Disposed | 298.7% (price as of 2026-10-02) |
| Dec. 8, 2017 | ASTH | J | 1,111,111 | $9.00 | $9,999,999 | 0 Indirect | -100.00% | Disposed | 298.7% (price as of 2026-10-02) |
| Dec. 8, 2017 | ASTH | J | 555,555 | $9.00 | $4,999,995 | 0 Indirect | -100.00% | Disposed | 298.7% (price as of 2026-10-02) |
| March 30, 2016 | ASTH | P | 555,555 | $9.00 | $4,999,995 | 555,555 Indirect | · | Acquired | 298.7% (price as of 2026-10-02) |
| March 30, 2016 | ASTH | P | 555,555 | $9.00 | $4,999,995 | 1,666,666 Indirect | +50.00% | Acquired | 298.7% (price as of 2026-10-02) |
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 |
|---|---|---|---|---|---|---|---|
| Dec. 8, 2025 | ASTH | Stock Option (right to buy) | Common Stock | $17.78 | Dec. 10, 2025 | 29,502 | Disposed |
| Sept. 9, 2024 | ASTH | Stock Option (right to buy) | Common Stock | $18.65 | Dec. 30, 2024 | 28,046 | Disposed |
| Dec. 5, 2022 | ASTH | Warrants to purchase Common Stock | Common Stock | $10.00 | Dec. 8, 2022 | 51,443 | Disposed |
| Dec. 5, 2022 | ASTH | Warrants to purchase Common Stock | Common Stock | $11.00 | Dec. 8, 2022 | 48,586 | Disposed |
| Nov. 2, 2021 | ASTH | Stock Option (right to buy) | Common Stock | $71.45 | Nov. 2, 2026 | 29,502 | Acquired |
| March 30, 2021 | ASTH | Warrant to Purchase Common Stock | Common Stock | $10.00 | March 30, 2021 | 31,755 | Disposed |
| Dec. 10, 2020 | ASTH | Stock Option (right to buy) | Common Stock | $17.78 | Dec. 10, 2025 | 29,502 | Acquired |
| Sept. 8, 2020 | ASTH | Warrants to Purchase Common Stock | Common Stock | $9.00 | Oct. 14, 2020 | 63,510 | Disposed |
| Dec. 30, 2019 | ASTH | Stock Option (right to buy) | Common Stock | · | Dec. 30, 2024 | 28,046 | Acquired |
| Dec. 27, 2019 | ASTH | Stock Option (right to buy) | Common Stock | · | Sept. 30, 2024 | 39,189 | Disposed |
| Sept. 30, 2019 | ASTH | Stock Option (right to buy) | Common Stock | · | Sept. 30, 2024 | 39,189 | Acquired |
| Dec. 8, 2017 | ASTH | Warrants to purchase Common Stock [F1,F3] | Common Stock | $9.00 | Oct. 14, 2020 | 68,317 | Acquired |
| Dec. 8, 2017 | ASTH | Warrants to purchase Common Stock [F1,F3] | Common Stock | $10.00 | March 30, 2021 | 34,159 | Acquired |
| Dec. 8, 2017 | ASTH | Warrants to purchase Common Stock [F1,F2] | Common Stock | $10.00 | Dec. 8, 2022 | 55,337 | Acquired |
| Dec. 8, 2017 | ASTH | Warrants to purchase Common Stock [F1,F2] | Common Stock | $11.00 | Dec. 8, 2022 | 52,263 | Acquired |
| Dec. 8, 2017 | ASTH | Warrants to purchase Common Stock [F2] | Common Stock | $9.00 | · | 63,511 | Acquired |
| Dec. 8, 2017 | ASTH | Warrants to purchase Common Stock [F2] | Common Stock | $10.00 | · | 31,755 | Acquired |
| Dec. 8, 2017 | ASTH | Warrants to purchase Common Stock [F1] | Common Stock | $10.00 | Dec. 8, 2022 | 51,444 | Acquired |
| Dec. 8, 2017 | ASTH | Warrants to purchase Common Stock [F1] | Common Stock | $11.00 | Dec. 8, 2022 | 48,586 | Acquired |
| Dec. 8, 2017 | ASTH | Series A Preferred Stock [F9] | Common Stock | · | · | 1,111,111 | Disposed |
| Dec. 8, 2017 | ASTH | Series B Preferred Stock [F9] | Common Stock | · | · | 555,555 | Disposed |
| Dec. 8, 2017 | ASTH | Warrants to purchase Common Stock [F9] | Common Stock | $9.00 | Oct. 14, 2020 | 1,111,111 | Disposed |
| Dec. 8, 2017 | ASTH | Warrants to purchase Common Stock [F9] | Common Stock | $10.00 | March 30, 2021 | 555,555 | Disposed |
| March 30, 2016 | ASTH | Series B Preferred Stock [F1] | Common Stock | · | · | 555,555 | Acquired |
| March 30, 2016 | ASTH | Warrants to purchase Common Stock [F1] | Common Stock | $10.00 | March 30, 2021 | 555,555 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 5 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| April 29, 2016 | ASTH | Common Stock [F1] | · | Indirect |
| April 29, 2016 | ASTH | Series A Preferred Stock | · | Indirect |
| Jan. 25, 2016 | ASTH | Common Stock | · | Indirect |
| Jan. 25, 2016 | ASTH | Series A Preferred Stock | · | Indirect |
| Jan. 25, 2016 | ASTH | Warrants to purchase Common Stock | · | Indirect |
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 |
|---|---|---|---|---|---|---|---|---|
| 2024 | $950,000 | · | $1,878,400 | · | · | · | $14,662 | $2,843,062 |
| 2022 | $950,000 | $450,000 | · | · | · | · | $87,709 | $1,487,709 |
| 2021 | $950,000 | · | $4,661,541 | $1,115,766 | · | · | $129,887 | $6,857,194 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.