SEC Insider Transactions from Mesler Mark.

Last updated: 2026-03-14 11:30 UTC | Total transactions: 69

Mesler Mark, CFO of Archer Aviation Inc. ($ACHR), made two open market sales of company stock over the past year, totaling about $902 thousand. His most recent sale occurred on May 16, 2025. These transactions rank him 5,171st among 11,678 insiders in our database by sale value, well below the average of $8.6 million across about six trades per insider. Mark reported no open market purchases during this period.

Set Up your own filters →
Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
May 15, 2025 Archer Aviation Inc. $ACHR Mesler Mark CHIEF FINANCIAL OFFICER M Class A Common Stock 82839 $0.00 742,196.0000 542,470,264 12.56% 0.02%
May 15, 2025 Archer Aviation Inc. $ACHR Mesler Mark CHIEF FINANCIAL OFFICER M Class A Common Stock 14140 $0.00 756,336.0000 542,470,264 1.91% 0.00%
May 15, 2025 Archer Aviation Inc. $ACHR Mesler Mark CHIEF FINANCIAL OFFICER M Class A Common Stock 5964 $0.00 762,300.0000 542,470,264 0.79% 0.00%
May 16, 2025 Archer Aviation Inc. $ACHR Mesler Mark CHIEF FINANCIAL OFFICER S Class A Common Stock 50775 $12.99 711,525.0000 542,470,264 6.66% 0.01%
May 15, 2025 Archer Aviation Inc. $ACHR Mesler Mark CHIEF FINANCIAL OFFICER M Restricted Stock Units 82839 $0.00 248,518.0000 542,470,264 25.00% 0.02%
May 15, 2025 Archer Aviation Inc. $ACHR Mesler Mark CHIEF FINANCIAL OFFICER M Restricted Stock Units 14140 $0.00 98,982.0000 542,470,264 12.50% 0.00%
May 15, 2025 Archer Aviation Inc. $ACHR Mesler Mark CHIEF FINANCIAL OFFICER M Restricted Stock Units 5964 $0.00 65,601.0000 542,470,264 8.33% 0.00%
March 28, 2025 Archer Aviation Inc. $ACHR Mesler Mark CHIEF FINANCIAL OFFICER M Class A Common Stock 63612 $0.00 693,855.0000 542,470,264 10.09% 0.01%
March 31, 2025 Archer Aviation Inc. $ACHR Mesler Mark CHIEF FINANCIAL OFFICER S Class A Common Stock 34498 $7.04 659,357.0000 542,470,264 4.97% 0.01%
March 28, 2025 Archer Aviation Inc. $ACHR Mesler Mark CHIEF FINANCIAL OFFICER M Performance Restricted Stock Units 63612 $0.00 127,228.0000 542,470,264 33.33% 0.01%
March 1, 2025 Archer Aviation Inc. $ACHR Mesler Mark CHIEF FINANCIAL OFFICER M Class A Common Stock 82839 $0.00 672,397.0000 542,470,264 14.05% 0.02%
March 1, 2025 Archer Aviation Inc. $ACHR Mesler Mark CHIEF FINANCIAL OFFICER M Class A Common Stock 14141 $0.00 686,538.0000 542,470,264 2.10% 0.00%
March 1, 2025 Archer Aviation Inc. $ACHR Mesler Mark CHIEF FINANCIAL OFFICER M Class A Common Stock 5963 $0.00 692,501.0000 542,470,264 0.87% 0.00%
March 4, 2025 Archer Aviation Inc. $ACHR Mesler Mark CHIEF FINANCIAL OFFICER S Class A Common Stock 62258 $7.70 630,243.0000 542,470,264 8.99% 0.01%
March 1, 2025 Archer Aviation Inc. $ACHR Mesler Mark CHIEF FINANCIAL OFFICER M Restricted Stock Units 82839 $0.00 331,357.0000 542,470,264 20.00% 0.02%
March 1, 2025 Archer Aviation Inc. $ACHR Mesler Mark CHIEF FINANCIAL OFFICER M Restricted Stock Units 14141 $0.00 113,122.0000 542,470,264 11.11% 0.00%
March 1, 2025 Archer Aviation Inc. $ACHR Mesler Mark CHIEF FINANCIAL OFFICER M Restricted Stock Units 5963 $0.00 71,565.0000 542,470,264 7.69% 0.00%
Nov. 15, 2024 Archer Aviation Inc. $ACHR Mesler Mark CHIEF FINANCIAL OFFICER M Class A Common Stock 82840 $0.00 618,880.0000 397,521,078 15.45% 0.02%
Nov. 15, 2024 Archer Aviation Inc. $ACHR Mesler Mark CHIEF FINANCIAL OFFICER M Class A Common Stock 14140 $0.00 633,020.0000 397,521,078 2.28% 0.00%
Nov. 15, 2024 Archer Aviation Inc. $ACHR Mesler Mark CHIEF FINANCIAL OFFICER M Class A Common Stock 5964 $0.00 638,984.0000 397,521,078 0.94% 0.00%
Nov. 18, 2024 Archer Aviation Inc. $ACHR Mesler Mark CHIEF FINANCIAL OFFICER F Class A Common Stock 51499 $4.31 587,485.0000 397,521,078 8.06% 0.01%
Nov. 15, 2024 Archer Aviation Inc. $ACHR Mesler Mark CHIEF FINANCIAL OFFICER M Restricted Stock Units 82840 $0.00 414,196.0000 397,521,078 16.67% 0.02%
Nov. 15, 2024 Archer Aviation Inc. $ACHR Mesler Mark CHIEF FINANCIAL OFFICER M Restricted Stock Units 14140 $0.00 127,263.0000 397,521,078 10.00% 0.00%
Nov. 15, 2024 Archer Aviation Inc. $ACHR Mesler Mark CHIEF FINANCIAL OFFICER M Restricted Stock Units 5964 $0.00 77,528.0000 397,521,078 7.14% 0.00%
Aug. 15, 2024 Archer Aviation Inc. $ACHR Mesler Mark CHIEF FINANCIAL OFFICER M Class A Common Stock 82839 $0.00 569,812.0000 270,408,132 17.01% 0.03%
Aug. 15, 2024 Archer Aviation Inc. $ACHR Mesler Mark CHIEF FINANCIAL OFFICER M Class A Common Stock 14140 $0.00 583,952.0000 270,408,132 2.48% 0.01%
Aug. 15, 2024 Archer Aviation Inc. $ACHR Mesler Mark CHIEF FINANCIAL OFFICER M Class A Common Stock 5964 $0.00 589,916.0000 270,408,132 1.02% 0.00%
Aug. 19, 2024 Archer Aviation Inc. $ACHR Mesler Mark CHIEF FINANCIAL OFFICER F Class A Common Stock 53876 $3.74 536,040.0000 270,408,132 9.13% 0.02%
Aug. 15, 2024 Archer Aviation Inc. $ACHR Mesler Mark CHIEF FINANCIAL OFFICER M Restricted Stock Units 82839 $0.00 497,036.0000 270,408,132 14.29% 0.03%
Aug. 15, 2024 Archer Aviation Inc. $ACHR Mesler Mark CHIEF FINANCIAL OFFICER M Restricted Stock Units 14140 $0.00 141,403.0000 270,408,132 9.09% 0.01%
Aug. 15, 2024 Archer Aviation Inc. $ACHR Mesler Mark CHIEF FINANCIAL OFFICER M Restricted Stock Units 5964 $0.00 83,492.0000 270,408,132 6.67% 0.00%
May 15, 2024 Archer Aviation Inc. $ACHR Mesler Mark CHIEF FINANCIAL OFFICER M Class A Common Stock 82839 $0.00 519,781.0000 270,408,132 18.96% 0.03%
May 15, 2024 Archer Aviation Inc. $ACHR Mesler Mark CHIEF FINANCIAL OFFICER M Class A Common Stock 14140 $0.00 533,921.0000 270,408,132 2.72% 0.01%
May 15, 2024 Archer Aviation Inc. $ACHR Mesler Mark CHIEF FINANCIAL OFFICER M Class A Common Stock 5964 $0.00 539,885.0000 270,408,132 1.12% 0.00%
May 17, 2024 Archer Aviation Inc. $ACHR Mesler Mark CHIEF FINANCIAL OFFICER F Class A Common Stock 57408 $3.66 482,477.0000 270,408,132 10.63% 0.02%
May 15, 2024 Archer Aviation Inc. $ACHR Mesler Mark CHIEF FINANCIAL OFFICER M Restricted Stock Units 82839 $0.00 579,875.0000 270,408,132 12.50% 0.03%
May 15, 2024 Archer Aviation Inc. $ACHR Mesler Mark CHIEF FINANCIAL OFFICER M Restricted Stock Units 14140 $0.00 155,543.0000 270,408,132 8.33% 0.01%
May 15, 2024 Archer Aviation Inc. $ACHR Mesler Mark CHIEF FINANCIAL OFFICER M Restricted Stock Units 5964 $0.00 89,456.0000 270,408,132 6.25% 0.00%
March 26, 2024 Archer Aviation Inc. $ACHR Mesler Mark CHIEF FINANCIAL OFFICER A Restricted Stock Units 95420 $0.00 95,420.0000 270,408,132 9999.99% 0.04%
March 1, 2024 Archer Aviation Inc. $ACHR Mesler Mark CHIEF FINANCIAL OFFICER M Class A Common Stock 82839 $0.00 477,604.0000 270,408,132 20.98% 0.03%
March 1, 2024 Archer Aviation Inc. $ACHR Mesler Mark CHIEF FINANCIAL OFFICER M Class A Common Stock 14141 $0.00 491,745.0000 270,408,132 2.96% 0.01%
March 5, 2024 Archer Aviation Inc. $ACHR Mesler Mark CHIEF FINANCIAL OFFICER F Class A Common Stock 54803 $4.22 436,942.0000 270,408,132 11.14% 0.02%
March 1, 2024 Archer Aviation Inc. $ACHR Mesler Mark CHIEF FINANCIAL OFFICER M Restricted Stock Units 82839 $0.00 662,714.0000 270,408,132 11.11% 0.03%
March 1, 2024 Archer Aviation Inc. $ACHR Mesler Mark CHIEF FINANCIAL OFFICER M Restricted Stock Units 14141 $0.00 169,683.0000 270,408,132 7.69% 0.01%
Nov. 17, 2023 Archer Aviation Inc. $ACHR Mesler Mark Chief Financial Officer F Class A Common Stock 2324 $6.22 394,765.0000 240,476,894 0.59% 0.00%
Nov. 15, 2023 Archer Aviation Inc. $ACHR Mesler Mark Chief Financial Officer M Class A Common Stock 82839 $0.00 421,391.0000 240,476,894 24.47% 0.03%
Nov. 15, 2023 Archer Aviation Inc. $ACHR Mesler Mark Chief Financial Officer M Class A Common Stock 14140 $0.00 435,531.0000 240,476,894 3.36% 0.01%
Nov. 16, 2023 Archer Aviation Inc. $ACHR Mesler Mark Chief Financial Officer F Class A Common Stock 38442 $6.22 397,089.0000 240,476,894 8.83% 0.02%
Nov. 15, 2023 Archer Aviation Inc. $ACHR Mesler Mark Chief Financial Officer M Restricted Stock Units 82839 $0.00 745,553.0000 240,476,894 10.00% 0.03%
Nov. 15, 2023 Archer Aviation Inc. $ACHR Mesler Mark Chief Financial Officer M Restricted Stock Units 14140 $0.00 183,824.0000 240,476,894 7.14% 0.01%
Aug. 18, 2023 Archer Aviation Inc. $ACHR Mesler Mark Chief Financial Officer F Class A Common Stock 10947 $6.34 350,270.0000 240,476,894 3.03% 0.00%
Aug. 21, 2023 Archer Aviation Inc. $ACHR Mesler Mark Chief Financial Officer F Class A Common Stock 11718 $7.00 338,552.0000 240,476,894 3.35% 0.00%
Aug. 15, 2023 Archer Aviation Inc. $ACHR Mesler Mark Chief Financial Officer M Class A Common Stock 82840 $0.00 371,132.0000 240,476,894 28.73% 0.03%
Aug. 15, 2023 Archer Aviation Inc. $ACHR Mesler Mark Chief Financial Officer M Class A Common Stock 14140 $0.00 385,272.0000 240,476,894 3.81% 0.01%
Aug. 16, 2023 Archer Aviation Inc. $ACHR Mesler Mark Chief Financial Officer F Class A Common Stock 12336 $5.96 372,936.0000 240,476,894 3.20% 0.01%
Aug. 17, 2023 Archer Aviation Inc. $ACHR Mesler Mark Chief Financial Officer F Class A Common Stock 11719 $5.92 361,217.0000 240,476,894 3.14% 0.00%
Aug. 15, 2023 Archer Aviation Inc. $ACHR Mesler Mark Chief Financial Officer M Restricted Stock Units 82840 $0.00 828,392.0000 240,476,894 9.09% 0.03%
Aug. 15, 2023 Archer Aviation Inc. $ACHR Mesler Mark Chief Financial Officer M Restricted Stock Units 14140 $0.00 197,964.0000 240,476,894 6.67% 0.01%
May 15, 2023 Archer Aviation Inc. $ACHR Mesler Mark Chief Financial Officer M Class A Common Stock 82839 $0.00 317,235.0000 240,476,894 35.34% 0.03%
May 15, 2023 Archer Aviation Inc. $ACHR Mesler Mark Chief Financial Officer F Class A Common Stock 41072 $2.00 276,163.0000 240,476,894 12.95% 0.02%
May 15, 2023 Archer Aviation Inc. $ACHR Mesler Mark Chief Financial Officer M Class A Common Stock 14140 $0.00 290,303.0000 240,476,894 5.12% 0.01%
May 15, 2023 Archer Aviation Inc. $ACHR Mesler Mark Chief Financial Officer F Class A Common Stock 7011 $2.00 283,292.0000 240,476,894 2.42% 0.00%
May 15, 2023 Archer Aviation Inc. $ACHR Mesler Mark Chief Financial Officer M Restricted Stock Units 82839 $0.00 911,232.0000 240,476,894 8.33% 0.03%
May 15, 2023 Archer Aviation Inc. $ACHR Mesler Mark Chief Financial Officer M Restricted Stock Units 14140 $0.00 212,104.0000 240,476,894 6.25% 0.01%
May 1, 2023 Archer Aviation Inc. $ACHR Mesler Mark Chief Financial Officer A Restricted Stock Units 226244 $0.00 226,244.0000 240,476,894 9999.99% 0.09%
March 1, 2023 Archer Aviation Inc. $ACHR Mesler Mark Chief Financial Officer M Class A Common Stock 331356 $0.00 351,356.0000 240,476,894 1656.78% 0.14%
March 1, 2023 Archer Aviation Inc. $ACHR Mesler Mark Chief Financial Officer F Class A Common Stock 116960 $2.95 234,396.0000 240,476,894 33.29% 0.05%
March 1, 2023 Archer Aviation Inc. $ACHR Mesler Mark Chief Financial Officer M Restricted Stock Units 331356 $0.00 994,071.0000 240,476,894 25.00% 0.14%
Jan. 13, 2023 Archer Aviation Inc. $ACHR Mesler Mark Chief Financial Officer P Class A Common Stock 20000 $2.63 20,000.0000 240,476,894 9999.99% 0.01%