AspenBio Pharma Inc

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AspenBio Pharma Inc
TickerRIOT
CIK #0001167419
CUSIP767292105
SectorLife Sciences - In Vitro & In Vivo Diagnostic Substances
Address1585 S Perry Street, Castle Rock, CO 80104
Source [EDGAR]
Reg D Offering (Form D) Filed Raised Terms
Riot Blockchain Inc 2019-02-12 7.1 M Exemption: 506(b) · Duration: One year or less · Revenue: Decline to Disclose
Bioptix Inc 2017-03-22 2.2 M Exemption: 506(b) · Duration: One year or less · Revenue: Decline to Disclose
Venaxis Inc 2016-09-15 1.9 M Exemption: 506(b) · Duration: One year or less · Revenue: Decline to Disclose
CIK Filing 2011 - 2026
[0001167419] 10-K
[0001167419] 10-Q
[0001167419] 3
[0001167419] 4
[0001167419] 5
[0001167419] 8-K
[0001167419] D
[0001167419] SC 13D
[0001167419] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Jane Street Group LLC Riot Platforms Inc [2026-05-11] 0.0
FMR LLC Riot Platforms Inc [2026-05-06] 0.0
Vanguard Portfolio Management LLC Riot Platforms Inc [2026-04-29] 0.0
Jane Street Group LLC Riot Platforms Inc [2025-11-20] 0.0
FMR LLC Riot Platforms Inc [2025-11-05] 0.0
Goldman Sachs Group Inc Riot Platforms Inc [2025-05-12] 0.0
Riot Platforms Inc Bitfarms Ltd [2024-05-28] 0.25
BlackRock Inc Riot Platforms Inc [2023-02-03] 6.8
Vanguard Group Inc Riot Blockchain Inc [2022-02-10] 8.61
Northern Data AG Riot Blockchain Inc [2021-05-27] 12.3
Susquehanna Securities LLC Riot Blockchain Inc [2021-02-16] 5.4
CALC III LP Riot Blockchain Inc [2019-04-18] 4.4
CALC III LP Riot Blockchain Inc [2018-02-14] 5.6
Susquehanna Securities Riot Blockchain Inc [2018-02-09] 6.0
Hudson Bay Capital Management LP Riot Blockchain Inc [2018-02-02] 5.73
Groussman Mark Riot Blockchain Inc [2017-10-13] 5.93
Honig Jonathan Riot Blockchain Inc [2017-10-11] 0.0
Northurst Inc Bioptix Inc [2017-08-04] 0.99
Peierls E Jeffrey Bioptix Inc [2017-02-10] 7.93
Remeditex Ventures LLC Venaxis Inc [2016-09-19] 6.0
Defrancesco Catherine Johanna Defrancesco Venaxis Inc [2016-09-12] 7.49
Honig Barry C Venaxis Inc [2016-09-08] 0.6
MGT Capital Investments Inc Venaxis Inc [2016-05-18] 2.89
Honig Barry C Venaxis Inc [2016-04-04] 8.65
[2013-05-30] None
Sophrosyne Capital LLC AspenBio Pharma Inc [2012-10-09] 8.95
Perkins Capital Management Inc AspenBio Pharma Inc [2012-01-11] 11.8
Sabby Management LLC AspenBio Pharma Inc [2012-01-09] 8.1
Form 3/4/5 Filer 2011 - 2026
Riot Platforms Inc
Leverton Jaime
Les Jason
D'Ambrosio Lance Varro
Werner Ryan D
Mouton Douglas
Howell Stephen Mitchell Jr
Yee Colin M
Turner Michael John
Gibbs Jonathan
Jackman William Richard
Yi Soo il Benjamin
Chung Jason
Cho Hannah
Marleau Hubert
Harris Chad Everett
McGonegal Jeffrey
Theriot Lyle Joseph
Brooks Megan M
Northern Data AG
Mancini Remo
Kaplan Andrew J
Ensey Christopher
Chang Robby Sai Kit
Robertsen Daniel Stefan
O'Rourke John R III
Beeghley Michael Martin
So Eric
Dai Mike
Lundy Steve
Honig Barry C
Routh Michael W
Whitcomb Richard J
Faulkner Daryl
Williams Stephen Alaric
Welch David E
Schoettler Gail
Evans Susan A
Landon John H
Hurd Donald R
Pusey Gregory
Merson Michael R
Miller Erik
Ratain Mark J
Hepler Douglas I
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Howell Stephen Mitchell Jr
Common Stock
2026-01-01 Grant 197,316 $0.00
Werner Ryan D
Common Stock
2026-01-01 Tax withheld 9,943 $12.67 125,978
Howell Stephen Mitchell Jr
Common Stock
2026-01-01 Grant 394,632 $0.00
Howell Stephen Mitchell Jr
Common Stock
2026-01-01 Tax withheld 29,482 $12.67 373,537
Les Jason
Common Stock
2026-01-01 Grant 947,118 $0.00
Les Jason
Common Stock
2026-01-01 Grant 473,559 $0.00
Chung Jason
Common Stock
2026-01-01 Grant 236,779 $0.00
Yee Colin M
Restricted Stock Units · derivative
2026-01-01 Grant 157,853 $0.00
Jackman William Richard
Common Stock
2026-01-01 Grant 197,316 $0.00
Gibbs Jonathan
Common Stock
2026-01-01 Grant 473,558 $0.00
Gibbs Jonathan
Common Stock
2026-01-01 Grant 236,779 $0.00
Chung Jason
Common Stock
2026-01-01 Grant 473,558 $0.00
Werner Ryan D
Common Stock
2026-01-01 Grant 59,194 $0.00
Yi Soo il Benjamin
Common Stock
2026-01-01 Grant 947,118 $0.00
Werner Ryan D
Common Stock
2026-01-01 Grant 118,388 $0.00
Jackman William Richard
Common Stock
2026-01-01 Grant 394,632 $0.00
Yi Soo il Benjamin
Common Stock
2026-01-01 Grant 473,559 $0.00
Gibbs Jonathan
Common Stock
2025-12-01 Tax withheld 60,868 $15.48 942,237
Werner Ryan D
Common Stock
2025-10-10 Sell 14,984 $23.00 344,632
Les Jason
Common Stock
2025-10-03 Sell 113,948 $20.04 2,283,518
showing 20 of 200 most recent transactions
13F Ownership Over TimeHoldersShares Held
2026-03-31 413 331,073,287
2025-12-31 404 362,901,732
2025-09-30 414 369,287,784
2025-06-30 367 276,338,010
2025-03-31 350 256,516,028
2024-12-31 341 259,769,030
2024-09-30 271 158,542,298
2024-06-30 282 156,014,113
2024-03-31 295 150,519,438
2023-12-31 290 136,487,535
2023-09-30 234 100,143,741
2023-06-30 227 85,471,537
Form 13F Holdings
Firm Period DFND Voting Shares
Moody Aldrich Partners LLC [2026-06-30] SOLE 143,300 300,390
Assenagon Asset Management SA [2026-06-30] SOLE 196,099 196,099
Y-Intercept Hong Kong Ltd [2026-06-30] SOLE 127,610 127,610
Hennion & Walsh Asset Management Inc [2026-06-30] SOLE 84,315 84,315
Bison Wealth LLC [2026-06-30] SOLE 0 45,409
Wealth Enhancement Advisory Services LLC [2026-06-30] SOLE 2,979 40,241
DLK Investment Management LLC [2026-06-30] SOLE 25,500 25,500
Mainstream Capital Management LLC [2026-06-30] SOLE 16,666 16,666
Realta Investment Advisors [2026-06-30] SOLE 0 12,449
Valeo Financial Advisors LLC [2026-06-30] SOLE 11,611 11,611
Meitav Investment House Ltd [2026-06-30] DFND 0 10,700
Corecap Advisors LLC [2026-06-30] SOLE 0 9,225
Farther Finance Advisors LLC [2026-06-30] SOLE 0 7,889
Shelton Wealth Management LLC [2026-06-30] SOLE 7,440 7,440
Gamma Investing LLC [2026-06-30] DFND 4,887 4,887
Merit Financial Group LLC [2026-06-30] SOLE 19 4,412
Merit Financial Group LLC [2026-06-30] OTR 0 4,199
Activest Wealth Management [2026-06-30] SOLE 0 3,000
IFP Advisors LLC [2026-06-30] SOLE 2,521 2,521
Beaird Harris Wealth Management LLC [2026-06-30] SOLE 0 1,250
Versant Capital Management Inc [2026-06-30] SOLE 682 682
Fortitude Family Office LLC [2026-06-30] SOLE 458 458
Physician Wealth Advisors Inc [2026-06-30] SOLE 0 443
Spire Wealth Management [2026-06-30] SOLE 0 202
Dogwood Wealth Management LLC [2026-06-30] SOLE 156 156
JFS Wealth Advisors LLC [2026-06-30] SOLE 0 153
Signature Resources Capital Management LLC [2026-06-30] SOLE 0 152
True Wealth Design LLC [2026-06-30] SOLE 0 116
Handelsbanken Fonder AB [2026-06-30] SOLE 0 107
Dinuzzo Private Wealth Inc [2026-06-30] SOLE 0 61
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