Filer Snapshot

Jason Haddock

CIK 0001680628. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.

Entity type

Individual

Total filings

21

Latest filing

12 Dec 2025

Industry

n/a

Filing-backed research brief

Start with the SEC data that changes for this CIK

Latest signal: Forms 3/4/5 owner position for MRUS. Each card links back to the PortfolioSavvy page where the filing evidence is closest.

Open owner activity Save page

Largest parsed holding

—

Populates from the latest parsed 13F information table.

Open holding

13D/G large stake

—

No recent parsed 13D/G stake row for this CIK.

Browse 13D/G

Save this filer page

Create a free account to keep this page in your watchlists. After verification, we will save it automatically and open your saved research list.

Create free account and save this filer Already have an account? Sign in and save it
Source: SEC Forms 3/4/5

4 filed on 12 Dec 2025 for CIK 0001680628.

View source filing
Ownership signals CIK-linked ownership evidence from parsed SEC filings. 1 signal
Parsed SEC ownership signals

Parsed SEC ownership coverage

These bars compare filing-backed value available in each disclosure family. Read them as separate lenses, not as one combined ownership total.

Forms 3/4/5 positions$239.1K

Reporting-owner positions with enough filing detail to estimate value.

Forms 3/4/5 position value

3/4/5
$239.1K

Estimated from parsed Forms 3/4/5 when filings include enough share and price data.

Largest linked holdings

Largest issuer positions linked to this CIK across parsed 13F, 13D/G, and Forms 3/4/5 records.

MRUS
How to read these SEC ownership signals
  • Read each filing family separately: 13F portfolios, 13D/G large stakes, and Forms 3/4/5 owner positions answer different SEC disclosure questions.
  • Open the linked research path when you need the filing, CIK, issuer, or CUSIP trail behind a value.
At a glance Names, identifiers, and filing context for this profile. 1 identity field
Business address
C/O Array Biopharma Inc., 3200 Walnut St, Boulder, CO, 80301

Filer intelligence

What SEC filings say about Jason Haddock

A compact read of parsed XML filings. 13F, 13D/G, and Forms 3/4/5 are shown separately because they answer different ownership questions.

Save filer

Quick read

  • Forms 3/4/5 show insider context for MRUS worth $239.1K.

SEC source mix

Counts show available parsed rows, not one combined ownership total.

XML parsed
13F portfolio No rows yet

Quarterly institutional portfolio holdings.

Open
13D/G stakes No rows yet

Beneficial ownership and large-stake disclosures.

Open
Forms 3/4/5 2 rows

Officer, director, and 10% owner holdings or transactions.

Open

Forms 3/4/5 insider context

MRUS

12 Dec 2025

$239.1K
Issuer page Owner page

CDAKQ

16 Feb 2023

Issuer page Owner page

Latest update

What changed recently for Jason Haddock

Ownership report updated

Latest ownership report period: 12 Dec 2025. Open the source-backed page to inspect the fresh filing or facts context.

Update date

12 Dec 2025

Page type

Ownership filings

Latest period

12 Dec 2025

Ownership context was refreshed from SEC Forms 3/4/5 filed on 12 Dec 2025.

Open ownership filings Browse recent public updates

SEC filing record

CIK 0001680628 filing coverage

Start with this filing record, then use the linked ownership pages when parsed 13F, 13D/G, Forms 3/4/5, or facts data exists for this CIK.

SEC filings
21
First seen
29 Jul 2016
Latest filing
12 Dec 2025
Entity
Individual

Observed form types

4 3

CIK-linked evidence first

Jason Haddock SEC filings Jason Haddock owner filings Open SEC filing index

Latest Filings

Showing the latest 12 of 21 SEC filings for Jason Haddock.

Open full filing history
4 File 001-37773

4

Filing date
12 Dec 2025
Reporting date
12 Dec 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-37773

4

Filing date
27 May 2025
Reporting date
22 May 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-37773

4

Filing date
09 May 2024
Reporting date
07 May 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
3 File 001-37773

3

Filing date
09 May 2024
Reporting date
07 May 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-39615

FORM 4 SUBMISSION

Filing date
21 Feb 2023
Reporting date
16 Feb 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-39615

FORM 4 SUBMISSION

Filing date
21 Jun 2022
Reporting date
17 Jun 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-39615

FORM 4 SUBMISSION

Filing date
18 Feb 2022
Reporting date
16 Feb 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-39615

FORM 4 SUBMISSION

Filing date
22 Jun 2021
Reporting date
18 Jun 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-39615

FORM 4 SUBMISSION

Filing date
17 Nov 2020
Reporting date
13 Nov 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-39615

FORM 4 SUBMISSION

Filing date
15 Oct 2020
Reporting date
26 Aug 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
3 File 001-39615

FORM 3 SUBMISSION

Filing date
13 Oct 2020
Reporting date
13 Oct 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-16633

FORM 4 SUBMISSION

Filing date
30 Jul 2019
Reporting date
30 Jul 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .