Comparable stake leader
Nancy Wisnewski
SEC ownership of HESKA CORP
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001038133.
Disclosed value leader
Nancy Wisnewski
Comparable rows
0/1
Latest evidence
01 Sep 2022
- Parsed ownership sources
-
3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Nancy Wisnewski
Ranking: Comparable ownership first, then disclosed value
- Latest parsed ownership date
-
01 Sep 2022
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001038133
- Issuer location
- Loveland, CO
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
1 signal
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of HESKA CORP (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
Nancy Wisnewski
Disclosed value leader
Nancy Wisnewski
Comparable rows
0/1
Latest evidence
01 Sep 2022
3/4/5
Highest disclosed value: $9,729,960
1 rows are not safely comparable across share classes.
Quick read
Nancy Wisnewski has the largest disclosed position value at $9.73M.
0 of 1 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 Nancy Wisnewski's linked filing trail.
Disclosed position value
Top 1
Nancy Wisnewski
$9.73M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-1 of 1 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Nancy Wisnewski |
3/4/5
Chief Operating Officer
|
—
class O/S missing
|
$9,729,960
81,083 shares
|
— | 01 Sep 2022 |
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 08 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 1-14 of 14 reporting-owner rows connected to HESKA CORP. Open a relationship link for the CIK-to-CIK filing trail.
Rows
14
Largest Forms 3/4/5 holder
Nancy Wisnewski
Net 12M change
$0
Latest report
13 Jun 2023
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Nancy Wisnewski | Chief Operating Officer | $9,729,960 | Mixed | 01 Sep 2022 | ||
| Steven M. Eyl | EVP, CCO & Pres.scil | Mixed | 25 Mar 2023 | |||
| Sharon J. Maples | Director | Mixed | 13 Jun 2023 | |||
| Eleanor F. Baker | EVP, Managing Dir. & COO, scil | Mixed | 25 Mar 2023 | |||
| Christopher D. Sveen | CAO & General Counsel | Mixed | 25 Mar 2023 | |||
| David E. Sveen | Director | Mixed | 13 Jun 2023 | |||
| Robert L. Antin | Director | Mixed | 13 Jun 2023 | |||
| Scott Humphrey | Director | Mixed | 13 Jun 2023 | |||
| Joachim A. Hasenmaier | Director | Mixed | 13 Jun 2023 | |||
| Stephen L. Davis | Director | Mixed | 13 Jun 2023 | |||
| Anthony C. Providenti Jr. | EVP, Corporate Development | Mixed | 13 Jun 2023 | |||
| Kevin S. Wilson | CEO and President, Director | Mixed | 13 Jun 2023 | |||
| Catherine Grassman | Evp, Cfo | Mixed | 01 Jun 2023 | |||
| Mark F. Furlong | Director | Mixed | 13 Jun 2023 |
Recent insider transactions for HESKA CORP
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| No insider transactions were found in the last 12 months for this issuer. | ||||||||||
* marks a reported price that did not pass the local price check.