Mark Mckechnie
CIK 1775007 · View on SEC EDGAR ↗
Insider
First SEC filing: June 17, 2019 · Latest: June 17, 2019
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
0 buys (P)
9 sells (S)
Net:
$-5,583,459
+ 47 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
47 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| March 12, 2026 | ACMR | S 10b5-1 | 564 | $46.57 | $26,265 | 900 Direct | -38.52% | Disposed | 62.5% (price as of 2026-08-20) |
| March 12, 2026 | ACMR | S 10b5-1 | 29,348 | $45.74 | $1,342,378 | 1,464 Direct | -95.25% | Disposed | 65.5% (price as of 2026-08-20) |
| March 12, 2026 | ACMR | S 10b5-1 | 8,639 | $44.94 | $388,237 | 30,812 Direct | -21.90% | Disposed | 68.4% (price as of 2026-08-20) |
| March 12, 2026 | ACMR | S 10b5-1 | 982 | $46.55 | $45,712 | 900 Direct | -52.18% | Disposed | 62.6% (price as of 2026-08-20) |
| March 12, 2026 | ACMR | S 10b5-1 | 47,108 | $45.74 | $2,154,720 | 1,882 Direct | -96.16% | Disposed | 65.5% (price as of 2026-08-20) |
| March 12, 2026 | ACMR | S 10b5-1 | 11,910 | $44.89 | $534,640 | 48,990 Direct | -19.56% | Disposed | 68.6% (price as of 2026-08-20) |
| Dec. 8, 2025 | ACMR | S 10b5-1 | 22,500 | $35.45 | $797,625 | 900 Direct | -96.15% | Disposed | 113.5% (price as of 2026-08-20) |
| Dec. 4, 2025 | ACMR | S 10b5-1 | 996 | $34.26 | $34,123 | 900 Direct | -52.53% | Disposed | 120.9% (price as of 2026-08-20) |
| Dec. 4, 2025 | ACMR | S 10b5-1 | 7,754 | $33.50 | $259,759 | 1,896 Direct | -80.35% | Disposed | 125.9% (price as of 2026-08-20) |
| May 14, 2025 | ACMR | S 10b5-1 | 15,000 | $25.22 | $378,300 | 900 Direct | -94.34% | Disposed | 200.1% (price as of 2026-08-20) |
| March 12, 2025 | ACMR | S 10b5-1 | 15,000 | $27.42 | $411,300 | 900 Direct | -94.34% | Disposed | 176.0% (price as of 2026-08-20) |
| Feb. 6, 2025 | ACMR | S 10b5-1 | 15,000 | $22.00 | $330,000 | 900 Direct | -94.34% | Disposed | 244.0% (price as of 2026-08-20) |
| Oct. 4, 2024 | ACMR | S 10b5-1 | 16,516 | $22.00 | $363,352 | 900 Direct | -94.83% | Disposed | 244.0% (price as of 2026-08-20) |
| June 6, 2024 | ACMR | S 10b5-1 | 5,984 | $22.92 | $137,153 | 900 Direct | -86.93% | Disposed | 230.2% (price as of 2026-08-20) |
| June 6, 2024 | ACMR | S 10b5-1 | 14,016 | $22.92 | $321,247 | 900 Direct | -93.97% | Disposed | 230.2% (price as of 2026-08-20) |
| Jan. 12, 2024 | ACMR | S 10b5-1 | 10,000 | $22.00 | $220,000 | 900 Direct | -91.74% | Disposed | 244.0% (price as of 2026-08-20) |
| Oct. 11, 2023 | ACMR | S 10b5-1 | 11,250 | $20.00 | $225,000 | 900 Direct | -92.59% | Disposed | 278.4% (price as of 2026-08-20) |
| Sept. 1, 2023 | ACMR | S 10b5-1 | 30,000 | $18.00 | $540,000 | 900 Direct | -97.09% | Disposed | 320.5% (price as of 2026-08-20) |
| March 10, 2022 | ACMR | S 10b5-1 | 378 | $69.07 | $26,108 | 300 Direct | -55.75% | Disposed | 228.7% (price as of 2026-08-20) |
| March 10, 2022 | ACMR | S 10b5-1 | 399 | $68.01 | $27,136 | 678 Direct | -37.05% | Disposed | 233.9% (price as of 2026-08-20) |
| March 10, 2022 | ACMR | S 10b5-1 | 400 | $67.13 | $26,852 | 1,077 Direct | -27.08% | Disposed | 238.2% (price as of 2026-08-20) |
| March 10, 2022 | ACMR | S 10b5-1 | 588 | $65.59 | $38,567 | 1,477 Direct | -28.47% | Disposed | 246.2% (price as of 2026-08-20) |
| March 10, 2022 | ACMR | S 10b5-1 | 1,035 | $64.42 | $66,675 | 2,065 Direct | -33.39% | Disposed | 252.5% (price as of 2026-08-20) |
| March 10, 2022 | ACMR | S 10b5-1 | 700 | $63.42 | $44,394 | 3,100 Direct | -18.42% | Disposed | 258.0% (price as of 2026-08-20) |
| March 10, 2022 | ACMR | S 10b5-1 | 400 | $61.57 | $24,628 | 3,800 Direct | -9.52% | Disposed | 268.8% (price as of 2026-08-20) |
| March 10, 2022 | ACMR | S 10b5-1 | 1,100 | $60.56 | $66,616 | 4,200 Direct | -20.75% | Disposed | 274.9% (price as of 2026-08-20) |
| Nov. 18, 2021 | ACMR | S 10b5-1 | 166 | $100.60 | $16,700 | 0 Direct | -100.00% | Disposed | 125.7% (price as of 2026-08-20) |
| Nov. 18, 2021 | ACMR | S 10b5-1 | 300 | $99.58 | $29,874 | 166 Direct | -64.38% | Disposed | 128.0% (price as of 2026-08-20) |
| Nov. 18, 2021 | ACMR | S 10b5-1 | 200 | $97.56 | $19,512 | 466 Direct | -30.03% | Disposed | 132.7% (price as of 2026-08-20) |
| Nov. 18, 2021 | ACMR | S 10b5-1 | 374 | $96.33 | $36,027 | 666 Direct | -35.96% | Disposed | 135.7% (price as of 2026-08-20) |
| Nov. 18, 2021 | ACMR | S 10b5-1 | 607 | $93.85 | $56,967 | 1,040 Direct | -36.85% | Disposed | 141.9% (price as of 2026-08-20) |
| Nov. 18, 2021 | ACMR | S 10b5-1 | 2,932 | $92.92 | $272,441 | 1,647 Direct | -64.03% | Disposed | 144.4% (price as of 2026-08-20) |
| Nov. 18, 2021 | ACMR | S 10b5-1 | 421 | $92.03 | $38,745 | 4,579 Direct | -8.42% | Disposed | 146.7% (price as of 2026-08-20) |
| Aug. 19, 2021 | ACMR | S 10b5-1 | 4,274 | $81.91 | $350,083 | 726 Direct | -85.48% | Disposed | 177.2% (price as of 2026-08-20) |
| Aug. 19, 2021 | ACMR | S 10b5-1 | 200 | $83.89 | $16,778 | 0 Direct | -100.00% | Disposed | 170.7% (price as of 2026-08-20) |
| Aug. 19, 2021 | ACMR | S 10b5-1 | 526 | $82.74 | $43,521 | 200 Direct | -72.45% | Disposed | 174.4% (price as of 2026-08-20) |
| March 12, 2021 | ACMR | S 10b5-1 | 10,028 | $87.89 | $881,361 | 0 Direct | -100.00% | Disposed | 158.3% (price as of 2026-08-20) |
| Nov. 19, 2020 | ACMR | S 10b5-1 | 7,500 | $74.45 | $558,375 | 0 Direct | -100.00% | Disposed | 205.0% (price as of 2026-08-20) |
| Aug. 27, 2020 | ACMR | S 10b5-1 | 4,585 | $93.18 | $427,230 | 0 Direct | -100.00% | Disposed | 143.7% (price as of 2026-08-20) |
| June 15, 2020 | ACMR | S 10b5-1 | 5,415 | $54.34 | $294,251 | 0 Direct | -100.00% | Disposed | 317.8% (price as of 2026-08-20) |
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 |
|---|---|---|---|---|---|---|---|
| March 12, 2026 | ACMR | Stock Option | Class A Common Stock (38,551) | $19.49 | Aug. 11, 2032 | 38,551 | Disposed |
| March 12, 2026 | ACMR | Stock Option | Class A Common Stock (60,000) | $13.89 | Aug. 9, 2033 | 60,000 | Disposed |
| Dec. 8, 2025 | ACMR | Stock Option | Class A Common Stock (22,500) | $25.45 | March 3, 2032 | 22,500 | Disposed |
| Dec. 4, 2025 | ACMR | Stock Option | Class A Common Stock (8,750) | $4.55 | Nov. 3, 2029 | 8,750 | Disposed |
| May 14, 2025 | ACMR | Stock Option | Class A Common Stock (15,000) | $5.60 | April 22, 2029 | 15,000 | Disposed |
| March 12, 2025 | ACMR | Stock Option | Class A Common Stock (15,000) | $5.60 | April 22, 2029 | 15,000 | Disposed |
| Feb. 6, 2025 | ACMR | Stock Option | Class A Common Stock (15,000) | $5.60 | April 22, 2029 | 15,000 | Disposed |
| Oct. 4, 2024 | ACMR | Stock Option | Class A Common Stock (16,516) | $5.60 | April 22, 2029 | 16,516 | Disposed |
| June 6, 2024 | ACMR | Stock Option | Class A Common Stock (5,984) | $5.60 | April 22, 2029 | 5,984 | Disposed |
| June 6, 2024 | ACMR | Stock Option | Class A Common Stock (14,016) | $4.62 | July 31, 2028 | 14,016 | Disposed |
| Jan. 12, 2024 | ACMR | Stock Option | Class A Common Stock (10,000) | $4.55 | Nov. 3, 2029 | 10,000 | Disposed |
| Oct. 11, 2023 | ACMR | Stock Option | Class A Common Stock (11,250) | $4.55 | Nov. 3, 2029 | 11,250 | Disposed |
| Sept. 1, 2023 | ACMR | Stock Option | Class A Common Stock (30,000) | $4.55 | Nov. 3, 2029 | 30,000 | Disposed |
| Aug. 10, 2023 | ACMR | Stock Option | Class A Common Stock (300,000) | — | Aug. 9, 2033 | 300,000 | Disposed |
| Aug. 10, 2023 | ACMR | Stock Option | Class A Common Stock (300,000) | $13.24 | Aug. 9, 2033 | 300,000 | Disposed |
| Dec. 28, 2022 | ACMR | Stock Option | Class A Common Stock (22,500) | $25.45 | March 3, 2032 | 22,500 | Acquired |
| Aug. 12, 2022 | ACMR | Stock Option | Class A Common Stock (100,000) | $19.49 | Aug. 11, 2032 | 100,000 | Acquired |
| Nov. 18, 2021 | ACMR | Stock Option | Class A Common Stock (5,000) | $13.85 | July 31, 2028 | 5,000 | Disposed |
| Aug. 19, 2021 | ACMR | Stock Option | Class A Common Stock (5,000) | $13.85 | July 31, 2028 | 5,000 | Disposed |
| March 12, 2021 | ACMR | Stock Option | Class A Common Stock (10,028) | $13.85 | July 31, 2028 | 10,028 | Disposed |
| March 10, 2021 | ACMR | Stock Option | Class A Common Stock (5,000) | $13.85 | July 31, 2028 | 5,000 | Disposed |
| March 9, 2021 | ACMR | Stock Option | Class A Common Stock (300) | $13.85 | July 31, 2028 | 300 | Disposed |
| Nov. 19, 2020 | ACMR | Stock Option | Class A Common Stock (7,500) | $16.81 | April 22, 2029 | 7,500 | Disposed |
| Aug. 27, 2020 | ACMR | Stock Option | Class A Common Stock (4,585) | $13.85 | July 31, 2028 | 4,585 | Disposed |
| June 15, 2020 | ACMR | Stock Option | Class A Common Stock (5,415) | $13.85 | July 31, 2028 | 5,415 | Disposed |
| Nov. 4, 2019 | ACMR | Stock Option | Class A Common Stock (20,000) | $13.64 | Nov. 3, 2029 | 20,000 | 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 |
|---|---|---|---|---|---|---|---|---|
| 2024 | $280,350 | $100,000 | — | — | — | — | — | $380,350 |
| 2022 | $267,000 | $100,000 | — | $1,740,782 | — | — | — | $2,107,782 |
| 2021 | $242,703 | $50,000 | — | — | — | — | — | $292,703 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.