Arcadia Biosciences's three largest insider shareholders as of September 09, 2026 are Stanley Jr Jacot (Chief Executive Officer, 5.00K shares), Thomas J. Schaefer (Chief Executive Officer, 2.82K shares), Mark Kawakami (Chief Financial Officer, 2.68K shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Stanley Jr Jacot | Chief Executive Officer | 5,000 | 0 | 5,000 | 47.6% | 30 May, 2023 |
| 2 | Thomas J. Schaefer | Chief Executive Officer | 2,819 | 0 | 2,819 | 26.8% | 05 Feb, 2025 |
| 3 | Mark Kawakami | Chief Financial Officer | 2,681 | 0 | 2,681 | 25.5% | 05 Feb, 2025 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 09 May, 2025 | Thomas J. Schaefer | Chief Executive Officer | Acquired A | 12,500 | $0.00 | $0 | 37,975 | Direct |
| 09 May, 2025 | Thomas J. Schaefer | Chief Executive Officer | Acquired A | 12,500 | $0.00 | $0 | 37,975 | Direct |
| 09 May, 2025 | Mark Kawakami | Chief Financial Officer | Acquired A | 12,500 | $0.00 | $0 | 33,987 | Direct |
| 09 May, 2025 | Thomas J. Schaefer | Chief Executive Officer | Acquired A | 12,500 | $0.00 | $0 | 37,975 | Direct |
| 09 May, 2025 | Mark Kawakami | Chief Financial Officer | Acquired A | 12,500 | $0.00 | $0 | 33,987 | Direct |
| 09 May, 2025 | Mark Kawakami | Chief Financial Officer | Acquired A | 12,500 | $0.00 | $0 | 33,987 | Direct |
| 03 Feb, 2025 | Thomas J. Schaefer | Chief Executive Officer | Acquired P | 700 | $2.49 | $1.74K | 2,819 | Direct |
| 03 Feb, 2025 | Thomas J. Schaefer | Chief Executive Officer | Acquired P | 700 | $2.49 | $1.74K | 2,819 | Direct |
| 03 Feb, 2025 | Mark Kawakami | Chief Financial Officer | Acquired P | 700 | $2.49 | $1.74K | 2,681 | Direct |
| 03 Feb, 2025 | Mark Kawakami | Chief Financial Officer | Acquired P | 700 | $2.49 | $1.74K | 2,681 | Direct |
| 03 Feb, 2025 | Mark Kawakami | Chief Financial Officer | Acquired P | 700 | $2.49 | $1.74K | 2,681 | Direct |
| 03 Feb, 2025 | Thomas J. Schaefer | Chief Executive Officer | Acquired P | 700 | $2.49 | $1.74K | 2,819 | Direct |
| 01 Aug, 2024 | Thomas J. Schaefer | Chief Executive Officer | Acquired P | 700 | $2.06 | $1.44K | 2,119 | Direct |
| 19 Aug, 2024 | Amy Yoder | Director | Acquired A | 10,909 | $0.00 | $0 | 13,442 | Direct |
| 19 Aug, 2024 | Gregory D Waller | Director | Acquired A | 10,909 | $0.00 | $0 | 13,338 | Direct |
| 19 Aug, 2024 | Kevin Comcowich | Director | Acquired A | 25,455 | $0.00 | $0 | 31,042 | Direct |
| 19 Aug, 2024 | Mark Kawakami | Chief Financial Officer | Acquired A | 20,000 | $0.00 | $0 | 21,487 | Direct |
| 19 Aug, 2024 | Mark Kawakami | Chief Financial Officer | Acquired A | 20,000 | $0.00 | $0 | 21,487 | Direct |
| 19 Aug, 2024 | Lilian Shackelford Murray | Director | Acquired A | 10,909 | $0.00 | $0 | 13,287 | Direct |
| 19 Aug, 2024 | Thomas J. Schaefer | Chief Executive Officer | Acquired A | 20,000 | $0.00 | $0 | 25,475 | Direct |