Alistair N Sporck
Insider
First SEC filing: July 22, 2022 · Latest: July 22, 2022
Insider at
Insider transactions
0 buys (P)
8 sells (S)
Net: $-878,606
Price change vs the latest weekly close (updated to the current quote in your browser when available), 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 |
|---|---|---|---|---|---|---|---|---|---|
| Oct. 27, 2026 | AEHR | F | 188 | $63.95 | $12,023 | 21,665 Direct | -0.86% | Disposed | · |
| Oct. 12, 2026 | AEHR | F | 295 | $84.64 | $24,969 | 21,853 Direct | -1.33% | Disposed | -34.7% (price as of ) |
| Oct. 2, 2026 | AEHR | F | 345 | $107.21 | $36,987 | 22,148 Direct | -1.53% | Disposed | -48.4% (price as of ) |
| Oct. 1, 2026 | AEHR | F | 54 | $101.60 | $5,486 | 22,493 Direct | -0.24% | Disposed | -45.6% (price as of ) |
| Oct. 1, 2026 | AEHR | J | 1,221 | $6.67 | $8,144 | 6,398 Indirect | +23.59% | Acquired | 729.2% (price as of ) |
| Aug. 10, 2026 | AEHR | S | 1,000 | $108.49 | $108,490 | 22,547 Direct | -4.25% | Disposed | -49.0% (price as of ) |
| Aug. 4, 2026 | AEHR | S | 699 | $100.70 | $70,389 | 24,848 Direct | -2.74% | Disposed | -45.1% (price as of ) |
| Aug. 4, 2026 | AEHR | S | 1,301 | $101.10 | $131,531 | 23,547 Direct | -5.24% | Disposed | -45.3% (price as of ) |
| July 27, 2026 | AEHR | F | 133 | $77.48 | $10,305 | 25,547 Direct | -0.52% | Disposed | -28.6% (price as of ) |
| July 20, 2026 | AEHR | F | 334 | $81.05 | $27,071 | 25,680 Direct | -1.28% | Disposed | -31.8% (price as of ) |
| July 13, 2026 | AEHR | F | 209 | $72.60 | $15,173 | 26,014 Direct | -0.80% | Disposed | -23.8% (price as of ) |
| July 2, 2026 | AEHR | F | 259 | $69.96 | $18,120 | 26,223 Direct | -0.98% | Disposed | -20.9% (price as of ) |
| July 1, 2026 | AEHR | A | 6,165 | · | · | 26,326 Direct | +30.58% | Acquired | |
| July 1, 2026 | AEHR | A | 2,369 | · | · | 28,695 Direct | +9.00% | Acquired | |
| July 1, 2026 | AEHR | F | 2,213 | $84.42 | $186,821 | 26,482 Direct | -7.71% | Disposed | -34.5% (price as of ) |
| April 27, 2026 | AEHR | F | 133 | $88.48 | $11,768 | 20,161 Direct | -0.66% | Disposed | -37.5% (price as of ) |
| April 22, 2026 | AEHR | S | 2,000 | $93.50 | $187,000 | 5,177 Indirect | -27.87% | Disposed | -40.8% (price as of ) |
| April 18, 2026 | AEHR | F | 341 | $83.86 | $28,596 | 20,294 Direct | -1.65% | Disposed | -34.0% (price as of ) |
| April 16, 2026 | AEHR | S | 2,000 | $81.88 | $163,760 | 20,635 Direct | -8.84% | Disposed | -32.4% (price as of ) |
| April 11, 2026 | AEHR | F | 220 | $70.43 | $15,495 | 22,635 Direct | -0.96% | Disposed | -21.5% (price as of ) |
| April 10, 2026 | AEHR | S | 2,000 | $67.36 | $134,720 | 22,855 Direct | -8.05% | Disposed | -17.9% (price as of ) |
| April 2, 2026 | AEHR | F | 298 | $44.32 | $13,207 | 24,855 Direct | -1.18% | Disposed | 24.8% (price as of ) |
| April 1, 2026 | AEHR | J | 1,963 | $6.67 | $13,093 | 7,177 Indirect | +37.65% | Acquired | 729.2% (price as of ) |
| Feb. 9, 2026 | AEHR | S | 2,700 | $27.57 | $74,439 | 25,453 Direct | -9.59% | Disposed | 100.6% (price as of ) |
| Feb. 9, 2026 | AEHR | S | 300 | $27.59 | $8,277 | 25,153 Direct | -1.18% | Disposed | 100.5% (price as of ) |
| Jan. 27, 2026 | AEHR | F | 152 | $27.75 | $4,218 | 28,153 Direct | -0.54% | Disposed | 99.3% (price as of ) |
| Jan. 19, 2026 | AEHR | F | 387 | $28.81 | $11,149 | 28,305 Direct | -1.35% | Disposed | 92.0% (price as of ) |
| Jan. 11, 2026 | AEHR | F | 239 | $26.32 | $6,290 | 28,692 Direct | -0.83% | Disposed | 110.1% (price as of ) |
| Jan. 2, 2026 | AEHR | F | 297 | $22.16 | $6,582 | 28,931 Direct | -1.02% | Disposed | 149.6% (price as of ) |
| Oct. 27, 2025 | AEHR | F | 132 | $25.14 | $3,318 | 29,228 Direct | -0.45% | Disposed | 120.0% (price as of ) |
| Oct. 20, 2025 | AEHR | F | 336 | $24.76 | $8,319 | 29,360 Direct | -1.13% | Disposed | 123.4% (price as of ) |
| Oct. 13, 2025 | AEHR | F | 208 | $23.49 | $4,886 | 29,696 Direct | -0.70% | Disposed | 135.5% (price as of ) |
| Oct. 2, 2025 | AEHR | F | 51 | $32.25 | $1,645 | 29,904 Direct | -0.17% | Disposed | 71.5% (price as of ) |
| Oct. 2, 2025 | AEHR | F | 207 | $32.25 | $6,676 | 29,955 Direct | -0.69% | Disposed | 71.5% (price as of ) |
| Oct. 1, 2025 | AEHR | J | 1,221 | $6.67 | $8,144 | 5,214 Indirect | +30.58% | Acquired | 729.2% (price as of ) |
| July 28, 2025 | AEHR | F | 140 | $21.74 | $3,044 | 30,162 Direct | -0.46% | Disposed | 154.4% (price as of ) |
| July 18, 2025 | AEHR | F | 506 | $15.07 | $7,625 | 30,302 Direct | -1.64% | Disposed | 267.0% (price as of ) |
| July 15, 2025 | AEHR | S | 3,000 | $14.13 | $42,390 | 30,808 Direct | -8.87% | Disposed | 291.4% (price as of ) |
| July 11, 2025 | AEHR | F | 312 | $14.11 | $4,402 | 33,808 Direct | -0.91% | Disposed | 292.0% (price as of ) |
| July 2, 2025 | AEHR | A | 9,253 | · | · | 32,149 Direct | +40.41% | Acquired | |
| July 2, 2025 | AEHR | A | 2,276 | · | · | 34,425 Direct | +7.08% | Acquired | |
| July 2, 2025 | AEHR | F | 305 | $15.13 | $4,615 | 34,120 Direct | -0.89% | Disposed | 265.6% (price as of ) |
| April 28, 2025 | AEHR | F | 218 | $8.76 | $1,910 | 21,960 Direct | -0.98% | Disposed | 531.4% (price as of ) |
| April 18, 2025 | AEHR | F | 405 | $7.96 | $3,224 | 22,178 Direct | -1.79% | Disposed | 594.8% (price as of ) |
| April 11, 2025 | AEHR | F | 250 | $8.52 | $2,130 | 22,583 Direct | -1.09% | Disposed | 549.2% (price as of ) |
| April 1, 2025 | AEHR | J | 1,963 | $6.67 | $13,093 | 3,993 Indirect | +96.70% | Acquired | 729.2% (price as of ) |
| Jan. 27, 2025 | AEHR | F | 159 | $11.88 | $1,889 | 22,833 Direct | -0.69% | Disposed | 365.6% (price as of ) |
| Jan. 21, 2025 | AEHR | F | 405 | $13.22 | $5,354 | 22,992 Direct | -1.73% | Disposed | 318.4% (price as of ) |
| Jan. 13, 2025 | AEHR | F | 250 | $15.99 | $3,998 | 23,397 Direct | -1.06% | Disposed | 245.9% (price as of ) |
| Oct. 27, 2024 | AEHR | F | 132 | $15.84 | $2,091 | 23,647 Direct | -0.56% | Disposed | 249.2% (price as of ) |
| Oct. 18, 2024 | AEHR | F | 335 | $15.68 | $5,253 | 23,779 Direct | -1.39% | Disposed | 252.7% (price as of ) |
| Oct. 11, 2024 | AEHR | F | 207 | $16.02 | $3,316 | 24,114 Direct | -0.85% | Disposed | 245.3% (price as of ) |
| July 29, 2024 | AEHR | F | 132 | $18.54 | $2,447 | 24,321 Direct | -0.54% | Disposed | 198.3% (price as of ) |
| July 19, 2024 | AEHR | S | 1,257 | $18.82 | $23,657 | 24,453 Direct | -4.89% | Disposed | 193.9% (price as of ) |
| July 18, 2024 | AEHR | F | 327 | $18.83 | $6,157 | 25,710 Direct | -1.26% | Disposed | 193.7% (price as of ) |
| July 11, 2024 | AEHR | A | 9,265 | · | · | 26,037 Direct | +55.24% | Acquired | |
| April 29, 2024 | AEHR | F | 151 | $12.10 | $1,827 | 16,772 Direct | -0.89% | Disposed | 357.1% (price as of ) |
| April 18, 2024 | AEHR | F | 383 | $10.82 | $4,144 | 16,923 Direct | -2.21% | Disposed | 411.2% (price as of ) |
| April 1, 2024 | AEHR | J | 1,181 | $10.50 | $12,400 | 1,181 Indirect | · | Acquired | 426.8% (price as of ) |
| Jan. 29, 2024 | AEHR | F | 151 | $16.19 | $2,445 | 17,306 Direct | -0.86% | Disposed | 241.6% (price as of ) |
| Oct. 27, 2023 | AEHR | A | 5,890 | · | · | 17,457 Direct | +50.92% | Acquired | |
| Oct. 18, 2023 | AEHR | F | 421 | $33.01 | $13,897 | 11,567 Direct | -3.51% | Disposed | 67.6% (price as of ) |
| Oct. 16, 2023 | AEHR | S | 955 | $37.65 | $35,956 | 11,988 Direct | -7.38% | Disposed | 46.9% (price as of ) |
| Oct. 2, 2023 | AEHR | J | 740 | $12.50 | $9,250 | 12,943 Direct | +6.06% | Acquired | 342.5% (price as of ) |
| July 18, 2023 | AEHR | F | 448 | $50.57 | $22,655 | 12,203 Direct | -3.54% | Disposed | 9.4% (price as of ) |
| May 5, 2023 | AEHR | S | 960 | $27.08 | $25,997 | 12,651 Direct | -7.05% | Disposed | 104.2% (price as of ) |
| April 18, 2023 | AEHR | F | 473 | $30.43 | $14,393 | 13,611 Direct | -3.36% | Disposed | 81.8% (price as of ) |
| April 3, 2023 | AEHR | J | 960 | $12.50 | $12,000 | 14,084 Direct | +7.31% | Acquired | 342.5% (price as of ) |
| Jan. 23, 2023 | AEHR | S | 470 | $34.52 | $16,224 | 13,124 Direct | -3.46% | Disposed | 60.2% (price as of ) |
| Jan. 18, 2023 | AEHR | F | 468 | $28.83 | $13,492 | 13,594 Direct | -3.33% | Disposed | 91.8% (price as of ) |
| Jan. 17, 2023 | AEHR | S | 499 | $28.79 | $14,366 | 14,062 Direct | -3.43% | Disposed | 92.1% (price as of ) |
| Oct. 18, 2022 | AEHR | F | 439 | $18.50 | $8,122 | 14,561 Direct | -2.93% | Disposed | 199.0% (price as of ) |
| Oct. 1, 2021 | AEHR | J | 849 | $10.42 | $8,847 | 2,030 Indirect | +71.89% | Acquired | 430.8% (price as of ) |
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.
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| July 22, 2022 | AEHR | Common Stock | · | Direct |
Holdings reported on Form 4 47 reported holdings
Positions listed on each Form 4 without a transaction in that filing (Table I and II holdings), newest filing first.
| Date | Ticker | Security | Shares | Exercise price | Expiration | Ownership |
|---|---|---|---|---|---|---|
| Oct. 27, 2026 | AEHR | Common Stock | 6,398 | · | · | Indirect |
| Oct. 13, 2026 | AEHR | Common Stock | 6,398 | · | · | Indirect |
| Oct. 5, 2026 | AEHR | Common Stock | 6,398 | · | · | Indirect |
| Aug. 11, 2026 | AEHR | Common Stock | 5,177 | · | · | Indirect |
| Aug. 6, 2026 | AEHR | Common Stock | 5,177 | · | · | Indirect |
| July 27, 2026 | AEHR | Common Stock | 5,177 | · | · | Indirect |
| July 20, 2026 | AEHR | Common Stock | 5,177 | · | · | Indirect |
| July 13, 2026 | AEHR | Common Stock | 5,177 | · | · | Indirect |
| July 2, 2026 | AEHR | Common Stock | 5,177 | · | · | Indirect |
| April 27, 2026 | AEHR | Common Stock | 5,177 | · | · | Indirect |
| April 22, 2026 | AEHR | Common Stock | 20,294 | · | · | Direct |
| April 20, 2026 | AEHR | Common Stock | 7,177 | · | · | Indirect |
| April 17, 2026 | AEHR | Common Stock | 7,177 | · | · | Indirect |
| April 14, 2026 | AEHR | Common Stock | 7,177 | · | · | Indirect |
| Feb. 10, 2026 | AEHR | Common Stock | 5,214 | · | · | Indirect |
| Jan. 27, 2026 | AEHR | Common Stock | 5,214 | · | · | Indirect |
| Jan. 21, 2026 | AEHR | Common Stock | 5,214 | · | · | Indirect |
| Jan. 12, 2026 | AEHR | Common Stock | 5,214 | · | · | Indirect |
| Jan. 2, 2026 | AEHR | Common Stock | 5,214 | · | · | Indirect |
| Oct. 27, 2025 | AEHR | Common Stock | 5,214 | · | · | Indirect |
| Oct. 20, 2025 | AEHR | Common Stock | 5,214 | · | · | Indirect |
| Oct. 14, 2025 | AEHR | Common Stock | 5,214 | · | · | Indirect |
| Oct. 8, 2025 | AEHR | Common Stock | 5,214 | · | · | Indirect |
| Oct. 2, 2025 | AEHR | Common Stock | 5,214 | · | · | Indirect |
| Oct. 1, 2025 | AEHR | Common Stock | 30,162 | · | · | Direct |
| July 29, 2025 | AEHR | Common Stock | 3,993 | · | · | Indirect |
| July 18, 2025 | AEHR | Common Stock | 3,993 | · | · | Indirect |
| July 11, 2025 | AEHR | Common Stock | 3,993 | · | · | Indirect |
| July 3, 2025 | AEHR | Common Stock | 3,993 | · | · | Indirect |
| April 29, 2025 | AEHR | Common Stock | 3,993 | · | · | Indirect |
| April 22, 2025 | AEHR | Common Stock | 3,993 | · | · | Indirect |
| April 11, 2025 | AEHR | Common Stock | 3,993 | · | · | Indirect |
| April 2, 2025 | AEHR | Common Stock | 22,833 | · | · | Direct |
| Jan. 27, 2025 | AEHR | Common Stock | 2,030 | · | · | Indirect |
| Jan. 21, 2025 | AEHR | Common Stock | 2,030 | · | · | Indirect |
| Jan. 14, 2025 | AEHR | Common Stock | 2,030 | · | · | Indirect |
| Oct. 29, 2024 | AEHR | Common Stock | 2,030 | · | · | Indirect |
| Oct. 18, 2024 | AEHR | Common Stock | 2,030 | · | · | Indirect |
| Oct. 15, 2024 | AEHR | Common Stock | 2,030 | · | · | Indirect |
| Oct. 3, 2024 | AEHR | Common Stock | 24,321 | · | · | Direct |
| July 29, 2024 | AEHR | Common Stock | 1,181 | · | · | Indirect |
| July 22, 2024 | AEHR | Common Stock | 1,181 | · | · | Indirect |
| July 18, 2024 | AEHR | Common Stock | 1,181 | · | · | Indirect |
| July 15, 2024 | AEHR | Common Stock | 1,181 | · | · | Indirect |
| April 30, 2024 | AEHR | Common Stock | 1,181 | · | · | Indirect |
| April 18, 2024 | AEHR | Common Stock | 1,181 | · | · | Indirect |
| April 2, 2024 | AEHR | Common Stock | 17,306 | · | · | Direct |