Comparable stake leader
Kira Sheinerman
SEC ownership of Niki BioSolutions, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001734005.
Disclosed value leader
CITADEL ADVISORS LLC
Comparable rows
1/10
Latest evidence
20 Jul 2026
- Public ticker
- APM, NIKI on Nasdaq
- Parsed ownership sources
-
3/4/5, 13D/G, and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Kira Sheinerman
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
1 of 10
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Kira Sheinerman
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
20 Jul 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001734005
- Issuer location
- Princeton, NJ
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Niki BioSolutions, 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
Kira Sheinerman
Disclosed value leader
CITADEL ADVISORS LLC
Comparable rows
1/10
Latest evidence
20 Jul 2026
3/4/5
13D/G
13F
Lead comparable stake: 52%
9 rows are not safely comparable across share classes.
13D/G row: Kira Sheinerman
Showing 1-8 of 10 holder rows.
Quick read
Kira Sheinerman leads the comparable SEC ownership view at 52%.
1 of 10 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 Kira Sheinerman's linked filing trail.
Comparable ownership
Top 1
Kira Sheinerman
52%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 10 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Kira Sheinerman |
3/4/5
13D/G
Director, 10%+ Owner · Kira S. Sheinerman
|
52%
from 13D/G
|
—
1,515,293 shares
|
— | 20 Jul 2026 |
| CITADEL ADVISORS LLC |
13F
Company
|
—
class O/S missing
|
$73,557
92,420 shares
|
— | 31 Mar 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
Company
|
—
class O/S missing
|
$13,353
16,777 shares
|
— | 31 Mar 2026 |
| XTX Topco Ltd |
13F
Company
|
—
class O/S missing
|
$11,987
15,061 shares
|
— | 31 Mar 2026 |
| MORGAN STANLEY |
13F
Company
|
—
class O/S missing
|
$10,555
13,262 shares
|
— | 31 Mar 2026 |
| RENAISSANCE TECHNOLOGIES LLC |
13F
Company
|
—
class O/S missing
|
$9,422
11,838 shares
|
— | 31 Mar 2026 |
| OSAIC HOLDINGS, INC. |
13F
Company
|
—
class O/S missing
|
$4,400
5,500 shares
|
— | 31 Mar 2026 |
| UBS Group AG |
13F
Company
|
—
class O/S missing
|
$1,297
1,629 shares
|
— | 31 Mar 2026 |
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
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 24 Jul 2025.
Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 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 Niki BioSolutions, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
2
Largest Forms 3/4/5 holder
Kira Sheinerman
Net 12M change
$0
Latest report
20 Jul 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Kira Sheinerman | Director, 10%+ Owner | Mixed | 20 Jul 2026 | |||
| Laura A. Philips | Director | Mixed | 20 Jul 2026 |
Recent insider transactions for Niki BioSolutions, 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Laura A. Philips | NIKI | Common Stock | 0 | 6,024 | 20 Jul 2026 | Direct | ||||
| Kira Sheinerman | NIKI | Common Stock | 0 | 1,515,293 | 20 Jul 2026 | Direct |
* marks a reported price that did not pass the local price check.