Mark Mesler
Insider
First SEC filing: March 3, 2023 · Latest: March 3, 2023
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
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 |
|---|---|---|---|---|---|---|---|---|---|
| May 16, 2025 | ACHR | S | 50,775 | $12.99 | $659,567 | 711,525 Direct | -6.66% | Disposed | -64.2% (price as of 2026-10-06) |
| May 15, 2025 | ACHR | M | 82,839 | · | · | 742,196 Direct | +12.56% | Acquired | (price as of 2026-10-06) |
| May 15, 2025 | ACHR | M | 14,140 | · | · | 756,336 Direct | +1.91% | Acquired | (price as of 2026-10-06) |
| May 15, 2025 | ACHR | M | 5,964 | · | · | 762,300 Direct | +0.79% | Acquired | (price as of 2026-10-06) |
| May 15, 2025 | ACHR | M | 82,839 | · | · | 248,518 Direct | -25.00% | Disposed | (price as of 2026-10-06) |
| May 15, 2025 | ACHR | M | 14,140 | · | · | 98,982 Direct | -12.50% | Disposed | (price as of 2026-10-06) |
| May 15, 2025 | ACHR | M | 5,964 | · | · | 65,601 Direct | -8.33% | Disposed | (price as of 2026-10-06) |
| March 31, 2025 | ACHR | S | 34,498 | $7.04 | $242,866 | 659,357 Direct | -4.97% | Disposed | -33.9% (price as of 2026-10-06) |
| March 28, 2025 | ACHR | M | 63,612 | · | · | 693,855 Direct | +10.09% | Acquired | (price as of 2026-10-06) |
| March 28, 2025 | ACHR | M | 63,612 | · | · | 127,228 Direct | -33.33% | Disposed | (price as of 2026-10-06) |
| March 4, 2025 | ACHR | S | 62,258 | $7.70 | $479,387 | 630,243 Direct | -8.99% | Disposed | -39.6% (price as of 2026-10-06) |
| March 1, 2025 | ACHR | M | 82,839 | · | · | 672,397 Direct | +14.05% | Acquired | (price as of 2026-10-06) |
| March 1, 2025 | ACHR | M | 14,141 | · | · | 686,538 Direct | +2.10% | Acquired | (price as of 2026-10-06) |
| March 1, 2025 | ACHR | M | 5,963 | · | · | 692,501 Direct | +0.87% | Acquired | (price as of 2026-10-06) |
| March 1, 2025 | ACHR | M | 82,839 | · | · | 331,357 Direct | -20.00% | Disposed | (price as of 2026-10-06) |
| March 1, 2025 | ACHR | M | 14,141 | · | · | 113,122 Direct | -11.11% | Disposed | (price as of 2026-10-06) |
| March 1, 2025 | ACHR | M | 5,963 | · | · | 71,565 Direct | -7.69% | Disposed | (price as of 2026-10-06) |
| Nov. 18, 2024 | ACHR | F | 51,499 | $4.31 | $221,961 | 587,485 Direct | -8.06% | Disposed | 7.9% (price as of 2026-10-06) |
| Nov. 15, 2024 | ACHR | M | 82,840 | · | · | 618,880 Direct | +15.45% | Acquired | (price as of 2026-10-06) |
| Nov. 15, 2024 | ACHR | M | 14,140 | · | · | 633,020 Direct | +2.28% | Acquired | (price as of 2026-10-06) |
| Nov. 15, 2024 | ACHR | M | 5,964 | · | · | 638,984 Direct | +0.94% | Acquired | (price as of 2026-10-06) |
| Nov. 15, 2024 | ACHR | M | 82,840 | · | · | 414,196 Direct | -16.67% | Disposed | (price as of 2026-10-06) |
| Nov. 15, 2024 | ACHR | M | 14,140 | · | · | 127,263 Direct | -10.00% | Disposed | (price as of 2026-10-06) |
| Nov. 15, 2024 | ACHR | M | 5,964 | · | · | 77,528 Direct | -7.14% | Disposed | (price as of 2026-10-06) |
| Aug. 19, 2024 | ACHR | F | 53,876 | $3.74 | $201,496 | 536,040 Direct | -9.13% | Disposed | 24.3% (price as of 2026-10-06) |
| Aug. 15, 2024 | ACHR | M | 82,839 | · | · | 569,812 Direct | +17.01% | Acquired | (price as of 2026-10-06) |
| Aug. 15, 2024 | ACHR | M | 14,140 | · | · | 583,952 Direct | +2.48% | Acquired | (price as of 2026-10-06) |
| Aug. 15, 2024 | ACHR | M | 5,964 | · | · | 589,916 Direct | +1.02% | Acquired | (price as of 2026-10-06) |
| Aug. 15, 2024 | ACHR | M | 82,839 | · | · | 497,036 Direct | -14.29% | Disposed | (price as of 2026-10-06) |
| Aug. 15, 2024 | ACHR | M | 14,140 | · | · | 141,403 Direct | -9.09% | Disposed | (price as of 2026-10-06) |
| Aug. 15, 2024 | ACHR | M | 5,964 | · | · | 83,492 Direct | -6.67% | Disposed | (price as of 2026-10-06) |
| May 17, 2024 | ACHR | F | 57,408 | $3.66 | $210,113 | 482,477 Direct | -10.63% | Disposed | 27.0% (price as of 2026-10-06) |
| May 15, 2024 | ACHR | M | 82,839 | · | · | 519,781 Direct | +18.96% | Acquired | (price as of 2026-10-06) |
| May 15, 2024 | ACHR | M | 14,140 | · | · | 533,921 Direct | +2.72% | Acquired | (price as of 2026-10-06) |
| May 15, 2024 | ACHR | M | 5,964 | · | · | 539,885 Direct | +1.12% | Acquired | (price as of 2026-10-06) |
| May 15, 2024 | ACHR | M | 82,839 | · | · | 579,875 Direct | -12.50% | Disposed | (price as of 2026-10-06) |
| May 15, 2024 | ACHR | M | 14,140 | · | · | 155,543 Direct | -8.33% | Disposed | (price as of 2026-10-06) |
| May 15, 2024 | ACHR | M | 5,964 | · | · | 89,456 Direct | -6.25% | Disposed | (price as of 2026-10-06) |
| March 26, 2024 | ACHR | A | 95,420 | · | · | 95,420 Direct | · | Acquired | (price as of 2026-10-06) |
| March 5, 2024 | ACHR | F | 54,803 | $4.22 | $231,269 | 436,942 Direct | -11.14% | Disposed | 10.2% (price as of 2026-10-06) |
| March 1, 2024 | ACHR | M | 82,839 | · | · | 477,604 Direct | +20.98% | Acquired | (price as of 2026-10-06) |
| March 1, 2024 | ACHR | M | 14,141 | · | · | 491,745 Direct | +2.96% | Acquired | (price as of 2026-10-06) |
| March 1, 2024 | ACHR | M | 82,839 | · | · | 662,714 Direct | -11.11% | Disposed | (price as of 2026-10-06) |
| March 1, 2024 | ACHR | M | 14,141 | · | · | 169,683 Direct | -7.69% | Disposed | (price as of 2026-10-06) |
| Nov. 17, 2023 | ACHR | F | 2,324 | $6.22 | $14,455 | 394,765 Direct | -0.59% | Disposed | -25.2% (price as of 2026-10-06) |
| Nov. 16, 2023 | ACHR | F | 38,442 | $6.22 | $239,109 | 397,089 Direct | -8.83% | Disposed | -25.2% (price as of 2026-10-06) |
| Nov. 15, 2023 | ACHR | M | 14,140 | · | · | 183,824 Direct | -7.14% | Disposed | (price as of 2026-10-06) |
| Nov. 15, 2023 | ACHR | M | 82,839 | · | · | 745,553 Direct | -10.00% | Disposed | (price as of 2026-10-06) |
| Nov. 15, 2023 | ACHR | M | 14,140 | · | · | 435,531 Direct | +3.36% | Acquired | (price as of 2026-10-06) |
| Nov. 15, 2023 | ACHR | M | 82,839 | · | · | 421,391 Direct | +24.47% | Acquired | (price as of 2026-10-06) |
| Aug. 21, 2023 | ACHR | F | 11,718 | $7.00 | $82,026 | 338,552 Direct | -3.35% | Disposed | -33.6% (price as of 2026-10-06) |
| Aug. 18, 2023 | ACHR | F | 10,947 | $6.34 | $69,404 | 350,270 Direct | -3.03% | Disposed | -26.7% (price as of 2026-10-06) |
| Aug. 17, 2023 | ACHR | F | 11,719 | $5.92 | $69,376 | 361,217 Direct | -3.14% | Disposed | -21.5% (price as of 2026-10-06) |
| Aug. 16, 2023 | ACHR | F | 12,336 | $5.96 | $73,523 | 372,936 Direct | -3.20% | Disposed | -22.0% (price as of 2026-10-06) |
| Aug. 15, 2023 | ACHR | M | 82,840 | · | · | 371,132 Direct | +28.73% | Acquired | (price as of 2026-10-06) |
| Aug. 15, 2023 | ACHR | M | 14,140 | · | · | 385,272 Direct | +3.81% | Acquired | (price as of 2026-10-06) |
| Aug. 15, 2023 | ACHR | M | 82,840 | · | · | 828,392 Direct | -9.09% | Disposed | (price as of 2026-10-06) |
| Aug. 15, 2023 | ACHR | M | 14,140 | · | · | 197,964 Direct | -6.67% | Disposed | (price as of 2026-10-06) |
| May 15, 2023 | ACHR | M | 82,839 | · | · | 317,235 Direct | +35.34% | Acquired | (price as of 2026-10-06) |
| May 15, 2023 | ACHR | F | 41,072 | $2.00 | $82,144 | 276,163 Direct | -12.95% | Disposed | 132.5% (price as of 2026-10-06) |
| May 15, 2023 | ACHR | M | 14,140 | · | · | 290,303 Direct | +5.12% | Acquired | (price as of 2026-10-06) |
| May 15, 2023 | ACHR | F | 7,011 | $2.00 | $14,022 | 283,292 Direct | -2.42% | Disposed | 132.5% (price as of 2026-10-06) |
| May 15, 2023 | ACHR | M | 82,839 | · | · | 911,232 Direct | -8.33% | Disposed | (price as of 2026-10-06) |
| May 15, 2023 | ACHR | M | 14,140 | · | · | 212,104 Direct | -6.25% | Disposed | (price as of 2026-10-06) |
| May 1, 2023 | ACHR | A | 226,244 | · | · | 226,244 Direct | · | Acquired | (price as of 2026-10-06) |
| March 1, 2023 | ACHR | M | 331,356 | · | · | 994,071 Direct | -25.00% | Disposed | (price as of 2026-10-06) |
| March 1, 2023 | ACHR | F | 116,960 | $2.95 | $345,032 | 234,396 Direct | -33.29% | Disposed | 57.6% (price as of 2026-10-06) |
| March 1, 2023 | ACHR | M | 331,356 | · | · | 351,356 Direct | +1656.78% | Acquired | (price as of 2026-10-06) |
| Jan. 13, 2023 | ACHR | P | 20,000 | $2.63 | $52,600 | 20,000 Direct | · | Acquired | 76.8% (price as of 2026-10-06) |
| April 11, 2022 | ACHR | A | 1,325,427 | · | · | 1,325,427 Direct | · | Acquired | (price as of 2026-10-06) |
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 |
|---|---|---|---|---|---|---|---|
| May 15, 2025 | ACHR | Restricted Stock Units | Class A Common Stock | · | · | 82,839 | Disposed |
| May 15, 2025 | ACHR | Restricted Stock Units | Class A Common Stock | · | · | 14,140 | Disposed |
| May 15, 2025 | ACHR | Restricted Stock Units | Class A Common Stock | · | · | 5,964 | Disposed |
| March 28, 2025 | ACHR | Performance Restricted Stock Units | Class A Common Stock | · | · | 63,612 | Disposed |
| March 1, 2025 | ACHR | Restricted Stock Units | Class A Common Stock | · | · | 82,839 | Disposed |
| March 1, 2025 | ACHR | Restricted Stock Units | Class A Common Stock | · | · | 14,141 | Disposed |
| March 1, 2025 | ACHR | Restricted Stock Units | Class A Common Stock | · | · | 5,963 | Disposed |
| Nov. 15, 2024 | ACHR | Restricted Stock Units | Class A Common Stock | · | · | 82,840 | Disposed |
| Nov. 15, 2024 | ACHR | Restricted Stock Units | Class A Common Stock | · | · | 14,140 | Disposed |
| Nov. 15, 2024 | ACHR | Restricted Stock Units | Class A Common Stock | · | · | 5,964 | Disposed |
| Aug. 15, 2024 | ACHR | Restricted Stock Units | Class A Common Stock | · | · | 82,839 | Disposed |
| Aug. 15, 2024 | ACHR | Restricted Stock Units | Class A Common Stock | · | · | 14,140 | Disposed |
| Aug. 15, 2024 | ACHR | Restricted Stock Units | Class A Common Stock | · | · | 5,964 | Disposed |
| May 15, 2024 | ACHR | Restricted Stock Units | Class A Common Stock | · | · | 82,839 | Disposed |
| May 15, 2024 | ACHR | Restricted Stock Units | Class A Common Stock | · | · | 14,140 | Disposed |
| May 15, 2024 | ACHR | Restricted Stock Units | Class A Common Stock | · | · | 5,964 | Disposed |
| March 26, 2024 | ACHR | Restricted Stock Units | Class A Common Stock | · | · | 95,420 | Acquired |
| March 1, 2024 | ACHR | Restricted Stock Units | Class A Common Stock | · | · | 82,839 | Disposed |
| March 1, 2024 | ACHR | Restricted Stock Units | Class A Common Stock | · | · | 14,141 | Disposed |
| Nov. 15, 2023 | ACHR | Restricted Stock Units | Class A Common Stock | · | · | 14,140 | Disposed |
| Nov. 15, 2023 | ACHR | Restricted Stock Units | Class A Common Stock | · | · | 82,839 | Disposed |
| Aug. 15, 2023 | ACHR | Restricted Stock Units | Class A Common Stock | · | · | 82,840 | Disposed |
| Aug. 15, 2023 | ACHR | Restricted Stock Units | Class A Common Stock | · | · | 14,140 | Disposed |
| May 15, 2023 | ACHR | Restricted Stock Units | Class A Common Stock | · | · | 82,839 | Disposed |
| May 15, 2023 | ACHR | Restricted Stock Units | Class A Common Stock | · | · | 14,140 | Disposed |
| May 1, 2023 | ACHR | Restricted Stock Units | Class A Common Stock | · | · | 226,244 | Acquired |
| March 1, 2023 | ACHR | Restricted Stock Units | Class A Common Stock | · | · | 331,356 | Disposed |
| April 11, 2022 | ACHR | Restricted Stock Units | Class A Common Stock | · | · | 1,325,427 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
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 | $500,000 | · | $1,121,185 | · | $146,311 | · | $15,250 | $1,782,746 |
| 2022 | $450,758 | $223,573 | $5,328,217 | · | · | · | $13,500 | $6,016,048 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.