Arcadia Biosciences RKDA Insider Ownership

NASDAQ RKDA
$0.28 0.00 (-0.25%)
At close: Sep 30, 2026 · 4:00 PM EDT

Insider Holdings by Owner

10.51K Shares

Insider Ownership Statistics

as of 30 Sep, 2026
Insider Ownership
0.351%
■0% pp QoQ
Shares Held by Insiders
10.51K
filed for Sep 2026
■0.00% QoQ
Shares Outstanding
2.99Mn
2,992,555 shares
Direct Holdings
10.51K
Indirect: 0
Net Shares Traded (QoQ)
0
no net change in Sep 2026
Insiders Holding Shares
4
with Form 4 holdings on file

Shares Owned by Insiders

Shares held % of outstanding
Latest —
Average ownership —
Peak ownership —

Shares Purchased/Sold by Insiders

Bought Sold
Latest quarter —
Net over range —
Buying quarters —

Insider Ownership Summary

Quarter ending 30 Sep, 2026

As of September 29, 2026, the three largest insider holders of RKDA 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).

Form 4 Holdings

Insiders Holding RKDA

Insiders 4
Shares held 10.51K
Of outstanding 0.351%
# 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
4 Pamela Haley Chief Financial Officer 6 0 6 0.1% 03 Aug, 2022

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.

Form 4 Filings

323 Insider Transactions

Source SEC Form 4
Latest quarter Sep 2026
Download Data
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 Mark Kawakami Chief Financial Officer Acquired A 12,500 $0.00 $0 33,987 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
19 Aug, 2024 Lilian Shackelford Murray Director Acquired A 10,909 $0.00 $0 13,287 Direct
01 Aug, 2024 Thomas J. Schaefer Chief Executive Officer Acquired P 700 $2.06 $1.44K 2,119 Direct
19 Aug, 2024 Gregory D Waller Director Acquired A 10,909 $0.00 $0 13,338 Direct
19 Aug, 2024 Deborah D Carosella Director Acquired A 10,909 $0.00 $0 13,255 Direct
19 Aug, 2024 Mark Kawakami Chief Financial Officer Acquired A 20,000 $0.00 $0 21,487 Direct
19 Aug, 2024 Thomas J. Schaefer Chief Executive Officer Acquired A 20,000 $0.00 $0 25,475 Direct
19 Aug, 2024 Amy Yoder Director Acquired A 10,909 $0.00 $0 13,442 Direct
19 Aug, 2024 Kevin Comcowich Director Acquired A 25,455 $0.00 $0 31,042 Direct
19 Aug, 2024 Albert D. Bolles Director Acquired A 10,909 $0.00 $0 13,394 Direct
01 Aug, 2024 Mark Kawakami Chief Financial Officer Acquired P 700 $2.06 $1.44K 1,981 Direct
01 Feb, 2024 Thomas J. Schaefer Chief Financial Officer Acquired P 700 $2.06 $1.44K 1,419 Direct
04 Aug, 2023 Thomas J. Schaefer Chief Financial Officer Acquired P 649 $3.67 $2.38K 719 Direct
06 Jun, 2023 Deborah D Carosella Director Acquired A 937 $0.00 $0 2,346 Direct
06 Jun, 2023 Amy Yoder Director Acquired A 937 $0.00 $0 2,533 Direct
06 Jun, 2023 Kevin Comcowich Director Acquired A 2,186 $0.00 $0 5,587 Direct
06 Jun, 2023 Gregory D Waller Director Acquired A 937 $0.00 $0 2,429 Direct