StockData
RKDANasdaqCrude Petroleum & Natural GasFiscal year ends December 31

Arcadia Biosciences, Inc.

Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 13, 2026
$0.14−0.02 (-12.01%)

Close on Oct 19, 2026

Market cap
$433.92K
P/E (TTM)
–
Dividend yield
–

Ownership

Institutional holdings as of Jun 30, 2026, from 13F filings

Held by institutions
8.8%
0M of 2M shares
Institutional holders
16
8 new, 7 sold out
Net institutional buying
-0M
In Q2 2026
Insider trades, 12 months
0 buys · 0 sales
Open-market trades only

Shares held by institutions

Holders of more than 5%

Latest Schedule 13D (active) or 13G (passive) filed by each holder

HolderShares% of classFilingAs of
MJL Manager LLC378,74015.70%13G (passive)Sep 25, 2026
Armistice Capital, LLC267,3929.99%13G (passive) amendmentJun 30, 2026
Steven Boyd159,3907.75%13G (passive)Mar 31, 2026

Top institutional holders

13F holdings as of Jun 30, 2026

HolderShares% of RKDAValueChange% of portfolio
Hrt Financial LP88,3863.67%$60New0.00%
Citadel Advisors LLC23,7380.99%$16.12KNew0.00%
Virtu Financial LLC21,7860.90%$15New0.00%
Geode Capital Management, LLC16,1350.67%$10.96K−15,6080.00%
XTX Topco Ltd15,4750.64%$10.51KNew0.00%
StoneX Group Inc.13,6820.57%$11.26KNew0.00%
State Street Corp12,1460.50%$8.25K–0.00%
Jane Street Group, LLC10,2450.43%$6.96KNew0.00%
Vanguard Capital Management LLC9,6440.40%$6.55K–0.00%
SBI Securities Co., Ltd.1200.00%$81–0.00%
TD Waterhouse Canada Inc.700.00%$50New0.00%
UBS Group AG350.00%$24−7720.00%
Group One Trading, L.P.180.00%$12–0.00%
Morgan Stanley20.00%$1–0.00%
Southern Michigan Bank & Trust20.00%$1–0.00%
Caitong International Asset Management Co., Ltd10.00%$1New0.00%

Institutional buying and selling by quarter

Positions opened, added to, reduced and closed by 13F filers

QuarterHoldersShares held% of sharesNew / addedReduced / closedShares boughtShares sold
Q2 2026160M8.8%8 / 02 / 70M0M
Q1 2026150M14.5%6 / 30 / 30M0M
Q4 2025130M1.6%0 / 06 / 30M0M
Q3 2025160M2.7%3 / 25 / 10M0M
Q2 2025140M2.5%1 / 32 / 10M0M
Q1 2025140M3.2%2 / 31 / 10M0M
Q4 2024130M3.3%3 / 10 / 30M0M
Q3 2024130M2.2%3 / 02 / 10M0M
Q2 2024110M1.2%2 / 02 / 40M0M
Q1 2024130M3.4%2 / 21 / 30M0M
Q4 2023140M5.8%3 / 40 / 00M0M
Q3 2023110M2.0%0 / 15 / 20M0M

Top mutual fund and ETF holders

Latest monthly portfolio reports (Form N-PORT)

FundShares% of RKDAValue% of fundAs of
Fidelity Extended Market Index Fund27,8791.16%$26.90K0.00%May 31, 2026
Vanguard Extended Market Index Fund9,6440.40%$6.55K0.00%Jun 30, 2026
Fidelity Series Total Market Index Fund1,7160.07%$1.66K0.00%May 31, 2026
Fidelity Total Market Index Fund1,6260.07%$1.57K0.00%May 31, 2026

Officers, directors and major owners

People who filed Forms 3, 4 or 5 in the last two years

NameRoleShares owned% of sharesLatest filing
Thomas J. SchaeferChief Executive Officer2,8190.12%May 12, 2025
Mark KawakamiChief Financial Officer2,6810.11%May 12, 2025
Lilian Shackelford MurrayDirector8,5240.35%Sep 14, 2026
Kevin ComcowichDirector20,0000.83%Sep 14, 2026
Gregory D. WallerDirector––Sep 14, 2026
Amy YoderDirector––Sep 14, 2026

Insider trades

Common stock transactions reported on Form 4, newest first

InsiderDateTransactionSharesPriceValueShares after
Mark Kawakami
Chief Financial Officer
Feb 3, 2025Buy+700$2.49$1.74K2,681
Thomas J. Schaefer
Chief Executive Officer
Feb 3, 2025Buy+700$2.49$1.74K2,819
Mark Kawakami
Chief Financial Officer
Aug 1, 2024Buy+700$2.06$1.44K1,981
Thomas J. Schaefer
Chief Executive Officer
Aug 1, 2024Buy+700$2.06$1.44K2,119
Thomas J. Schaefer
Chief Financial Officer
Feb 1, 2024Buy+700$2.06$1.44K1,419
Thomas J. Schaefer
Chief Financial Officer
Aug 4, 2023Buy+649$3.67$2.38K719
Stanley Jacot Jr
Chief Executive Officer
May 30, 2023Buy+5,000$4.31$21.55K5,000
Thomas J. Schaefer
Chief Financial Officer
Feb 1, 2023Buy+700$0.23$1612,800
Pamela Haley
Chief Financial Officer
Aug 1, 2022Buy+700$0.70$4905,088
Randall Shultz
Chief Technology Officer
Aug 3, 2020Buy+700$3.16$2.21K13,000
Pamela Haley
Chief Financial Officer
Aug 3, 2020Buy+700$3.16$2.21K2,638
Matthew T. Plavan
Chief Executive Officer
Aug 3, 2020Buy+585$3.16$1.85K14,285
Sarah Reiter
Chief Commercial Officer
Feb 3, 2020Buy+700$1.72$1.20K3,800
Matthew T. Plavan
Chief Executive Officer
Feb 3, 2020Buy+700$1.72$1.20K13,700
Pamela Haley
Chief Financial Officer
Feb 3, 2020Buy+700$1.72$1.20K1,938
Sarah Reiter
Chief Commercial Officer
Dec 23, 2019Buy+900$5.95$5.36K3,100
Sarah Reiter
Chief Commercial Officer
Nov 19, 2019Buy+1,000$4.52$4.52K2,200
Lilian Shackelford Murray
Director
Nov 18, 2019Buy+5,000$4.25$21.25K8,524
Matthew T. Plavan
Chief Executive Officer
Nov 14, 2019Buy+1,000$4.08$4.08K13,000
Matthew T. Plavan
Chief Executive Officer
Sep 23, 2019Buy+2,000$5.25$10.50K12,000
Kevin Comcowich
Director
Sep 17, 2019Buy+5,000$5.88$29.40K20,000
Matthew T. Plavan
Chief Executive Officer
Sep 10, 2019Buy+1,000$6.52$6.52K10,000
Matthew T. Plavan
Chief Executive Officer
Sep 10, 2019Buy+1,000$6.49$6.49K9,000
Sarah Reiter
Chief Commercial Officer
Sep 10, 2019Buy+1,200$6.48$7.78K1,200
Kevin Comcowich
Director
Sep 10, 2019Buy+5,000$6.49$32.45K5,000
Kevin Comcowich
Director
Sep 10, 2019Buy+10,000$6.49$64.90K15,000
Matthew T. Plavan
Chief Financial Officer
Aug 28, 2019Award+1,000$6.88$6.88K8,000
Matthew T. Plavan
Chief Financial Officer
Aug 28, 2019Buy+1,000$6.88$6.88K8,000
Matthew T. Plavan
Chief Financial Officer
Aug 27, 2019Award+2,000$8.93$17.86K7,000
Matthew T. Plavan
Chief Financial Officer
Aug 27, 2019Award+1,000$9.32$9.32K3,000
Matthew T. Plavan
Chief Financial Officer
Aug 27, 2019Award+1,000$9.30$9.30K4,000
Matthew T. Plavan
Chief Financial Officer
Aug 27, 2019Award+1,000$8.95$8.95K5,000
Matthew T. Plavan
Chief Financial Officer
Aug 27, 2019Buy+1,000$8.95$8.95K5,000
Matthew T. Plavan
Chief Financial Officer
Aug 27, 2019Buy+1,000$9.32$9.32K3,000
Matthew T. Plavan
Chief Financial Officer
Aug 27, 2019Buy+1,000$9.30$9.30K4,000
Matthew T. Plavan
Chief Financial Officer
Aug 27, 2019Buy+2,000$8.93$17.86K7,000
Matthew T. Plavan
Chief Financial Officer
Aug 26, 2019Award+1,000$8.33$8.33K1,000
Matthew T. Plavan
Chief Financial Officer
Aug 26, 2019Award+1,000$9.22$9.22K2,000
Matthew T. Plavan
Chief Financial Officer
Aug 26, 2019Buy+1,000$8.33$8.33K1,000
Matthew T. Plavan
Chief Financial Officer
Aug 26, 2019Buy+1,000$9.22$9.22K2,000
Eric J. Rey
Director
Mar 23, 2018Option exercise+5,000$21.60$108.00K12,335
Eric J. Rey
Director
Mar 23, 2018Sale−5,000$33.44$167.20K7,335
Zhongjin Lu
VP Product Development
Mar 23, 2018Sale−1,750$32.74$57.30K558
Zhongjin Lu
VP Product Development
Mar 23, 2018Option exercise+1,750$21.60$37.80K2,308
Eric J. Rey
Director
Mar 15, 2018Option exercise+250$44.80$11.20K7,585
Eric J. Rey
Director
Mar 15, 2018Sale(10b5-1 plan)−250$60.00$15.00K7,335
Eric J. Rey
Director
Mar 14, 2018Sale(10b5-1 plan)−21,005$45.21$949.64K7,335
Eric J. Rey
Director
Mar 14, 2018Option exercise+21,005$21.60$453.71K28,340
Zhongjin Lu
VP Product Development
Nov 17, 2017Sale−5,950$0.23$1.37K11,153
Eric J. Rey
Director
Jun 8, 2017Buy+5,000$0.75$3.75K146,680
Roger Salameh
Chief Operating Officer
Aug 4, 2016Sale(10b5-1 plan)−100$2.51$25111,415
Roger Salameh
Chief Operating Officer
Aug 4, 2016Option exercise+100$1.08$10811,515
Steven F. Brandwein
Interim Chief Financ. Officer
Jun 13, 2016Sale(10b5-1 plan)−8,280$2.49$20.62K750
Steven F. Brandwein
Interim Chief Financ. Officer
Apr 25, 2016Sale(10b5-1 plan)−1,720$2.42$4.16K9,030
Vic C. Knauf
Chief Scientific Officer, Director
Apr 5, 2016Sale(10b5-1 plan)−1,653$2.98$4.93K47,134
Vic C. Knauf
Chief Scientific Officer, Director
Apr 5, 2016Option exercise+1,653$1.08$1.79K48,787
Vic C. Knauf
Chief Scientific Officer, Director
Apr 4, 2016Option exercise+1,200$1.08$1.30K48,334
Vic C. Knauf
Chief Scientific Officer, Director
Apr 4, 2016Sale(10b5-1 plan)−1,200$2.98$3.58K47,134
Vic C. Knauf
Chief Scientific Officer, Director
Mar 4, 2016Option exercise+2,973$1.08$3.21K50,107
Vic C. Knauf
Chief Scientific Officer, Director
Mar 4, 2016Sale(10b5-1 plan)−2,973$3.22$9.57K47,134

Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.