SEC ownership of CYBIN INC.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001833141.

Comparable stake leader

Venrock Healthcare Capital Partners III, L.P.

Disclosed value leader

Eric H. L. So

Comparable rows

50/50

Latest evidence

04 Sep 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
50 of 50
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
Venrock Healthcare Capital Partners III, L.P.
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
04 Sep 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001833141
Issuer location
Toronto, Ontario, Canada

Ownership snapshot

Top shareholders of CYBIN INC. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
Venrock Healthcare Capita...
Disclosed value leader
Eric H. L. So
Comparable rows
50/50
Latest evidence
04 Sep 2026
13D/G 3/4/5 13F Lead comparable stake: 9.9% 13D/G row: Venrock Healthcare Capital Partners III, L.P. Showing 1-8 of 50 holder rows.

Quick read

Venrock Healthcare Capital Partners III, L.P. leads the comparable SEC ownership view at 9.9%.

50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Venrock Healthcare Capital Partners III, L.P.'s linked filing trail.
Comparable ownership Top 5
Venrock Healthcare Capital Partne... 9.9%
Eric H. L. So 5.8%
Paul Glavine 5.8%
MILLENNIUM MANAGEMENT LLC 5.7%
Adage Capital Management, L.P. 5.3%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 50 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
Venrock Healthcare Capital Partners III, L.P.
13D/G
9.9%
$30,106,217
5,111,412 shares
$0 31 Oct 2025
Eric H. L. So
3/4/5 13D/G
Executive Chair, Director · So Eric H. L.
5.8%
from 13D/G
$53,123,055
4,418,630 shares
+$2,330,375 04 Sep 2026
Paul Glavine
3/4/5 13D/G
Chief Growth Officer · Glavine Paul
5.8%
from 13D/G
$50,675,548
4,402,193 shares
+$2,220,957 03 Sep 2026
MILLENNIUM MANAGEMENT LLC
13F 13D/G
Company
5.7%
from 13D/G
$17,398,551
2,632,156 shares
30 Jun 2026
Adage Capital Management, L.P.
13D/G
5.3%
$21,807,728
3,289,250 shares
$0 30 Jun 2026
ORBIMED ADVISORS LLC
13F 13D/G
Company · ORBIMED CAPITAL LLC
4.9%
from 13D/G
$21,623,954
3,271,400 shares
30 Jun 2026
Sirenia Capital Management LP
13D/G
4.8%
$20,085,585
3,029,500 shares
$0 30 Jun 2026
Deep Track Capital, LP
13D/G
4.7%
$18,486,334
2,391,505 shares
-$5,262,159 31 Dec 2025
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Net insider flow leans to buying over the last 12 months. Net value: +$4,551,332.

Buys
$4,551,332
Insiders: 2
Sells
$0
Insiders: 0
Net
+$4,551,332
Shares: +385,000
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 385,000 Shares: 0
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 385,000 0 $4,551,332 $0 +$4,551,332
3-6 0 0 $0 $0 $0
6-9 0 0 $0 $0 $0
9-12 0 0 $0 $0 $0

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-2 of 2 reporting-owner rows connected to CYBIN INC.. Open a relationship link for the CIK-to-CIK filing trail.

Rows
2
Largest Forms 3/4/5 holder
Eric H. L. So
Net 12M change
+$4,551,332
Latest report
04 Sep 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Eric H. L. So Executive Chair, Director $53,123,055 +$2,330,375 +4.6% Mixed 04 Sep 2026
Paul Glavine Chief Growth Officer $50,675,548 +$2,220,957 +4.6% Mixed 03 Sep 2026

Recent insider transactions for CYBIN INC.

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
Eric H. L. So HELP Common Shares Purchase 2.34% $1,208,900 $12.09 100,000 4,365,014 04 Sep 2026 Direct
Paul Glavine HELP Common Shares Purchase 2.46% $1,178,280 $11.78 100,000 4,171,252 03 Sep 2026 Direct
Eric H. L. So HELP Common Shares Purchase 2.28% $1,121,475 $11.80 95,000 4,265,014 01 Sep 2026 Direct
Paul Glavine HELP Common Shares Purchase 2.26% $1,042,677 $11.59 90,000 4,071,252 31 Aug 2026 Direct
* marks a reported price that did not pass the local price check.
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