Filer Snapshot

Mark James Litton

CIK 0001604834. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.

Entity Type

Individual

Total Filings

52

Latest Filing

13 Apr 2026

Industry

n/a

Follow future filing-backed changes

Save this filer to return when a new filing changes the portfolio, large-stake, insider, or company context.

Save and revisit

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

Best next click

Start with the summary below, then verify the strongest source-backed page for this filer.

  • Open 13F if you want portfolio holdings.
  • Open 13D/G or insider pages only when this CIK has those rows.
Open reporting owner context
Source: SEC Forms 3/4/5

4 filed on 13 Apr 2026 for CIK 0001604834.

View Source Filing
Business address
C/O Athira Pharma, Inc., 18706 North Creek Parkway, Suite 104, Bothell, WA, 98011
Top ownership issuers
LONA

Filer intelligence

What SEC filings say about Mark James Litton

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 LONA worth $445.1K.

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 1 rows

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

Open

Forms 3/4/5 insider context

LONA

09 Apr 2026 ยท PRESIDENT and CEO

$445.1K
Issuer page Owner page

Latest update

What changed recently for Mark James Litton

Ownership report updated

Latest ownership report period: 09 Apr 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

13 Apr 2026

Page type

Ownership filings

Latest period

09 Apr 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 13 Apr 2026.

Open ownership filings Browse recent public updates

SEC filing record

CIK 0001604834 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
52
First seen
07 May 2014
Latest filing
13 Apr 2026
Entity
Individual

Observed form types

4 144 4/A 3 5 3/A

Primary evidence

Open SEC filing index Mark James Litton SEC filings Mark James Litton owner filings

Latest Filings

Recent SEC filings for Mark James Litton with direct links to document and filing folders.

4 File 001-39503

4 filing

Filing date
13 Apr 2026
Reporting date
09 Apr 2026
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-39503

4 filing

Filing date
05 Mar 2026
Reporting date
03 Mar 2026
SEC evidence
Open document Open filing
Next action
Verify source filing
144

144 filing

Filing date
04 Mar 2026
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-39503

4 filing

Filing date
05 Jan 2026
Reporting date
31 Dec 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-39503

4 filing

Filing date
29 Dec 2025
Reporting date
24 Dec 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-39503

4 filing

Filing date
02 Jul 2025
Reporting date
30 Jun 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
144

144 filing

Filing date
01 Jul 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-39503

4 filing

Filing date
04 Mar 2025
Reporting date
03 Mar 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-39503

4 filing

Filing date
03 Jan 2025
Reporting date
31 Dec 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
144

144 filing

Filing date
02 Jan 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4/A File 001-39503

4/A filing

Filing date
03 Oct 2024
Reporting date
03 Oct 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-39503

4 filing

Filing date
03 Oct 2024
Reporting date
03 Oct 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
144

144 filing

Filing date
05 Sep 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-39503

4 filing

Filing date
05 Sep 2024
Reporting date
03 Sep 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-39503

4 filing

Filing date
16 Feb 2024
Reporting date
15 Feb 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4/A File 001-39503

4/A filing

Filing date
16 Feb 2024
Reporting date
04 Jan 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-39503

FORM 4 SUBMISSION

Filing date
08 Jan 2024
Reporting date
04 Jan 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-39503

FORM 4 SUBMISSION

Filing date
31 Jan 2023
Reporting date
27 Jan 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-39503

FORM 4 SUBMISSION

Filing date
24 Jun 2022
Reporting date
22 Jun 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-39503

FORM 4 SUBMISSION

Filing date
31 Jan 2022
Reporting date
27 Jan 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-39503

FORM 4 SUBMISSION

Filing date
19 Aug 2021
Reporting date
17 Aug 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-39503

FORM 4 SUBMISSION

Filing date
22 Feb 2021
Reporting date
18 Feb 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-39503

FORM 4 SUBMISSION

Filing date
22 Sep 2020
Reporting date
22 Sep 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
3 File 001-39503

FORM 3 SUBMISSION

Filing date
17 Sep 2020
Reporting date
17 Sep 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-37449

FORM 4 SUBMISSION

Filing date
08 Feb 2019
Reporting date
06 Feb 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-37449

FORM 4 SUBMISSION

Filing date
08 Aug 2018
Reporting date
06 Aug 2018
SEC evidence
Open document Open filing
Next action
Verify source filing
3 File 001-37449

FORM 3 SUBMISSION

Filing date
08 Aug 2018
Reporting date
06 Aug 2018
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-36431

FORM 4 SUBMISSION

Filing date
05 Jun 2018
Reporting date
01 Jun 2018
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-36431

FORM 4 SUBMISSION

Filing date
21 Feb 2018
Reporting date
16 Feb 2018
SEC evidence
Open document Open filing
Next action
Verify source filing
5 File 001-36431

FORM 5 SUBMISSION

Filing date
09 Feb 2018
Reporting date
31 Dec 2017
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-36431

FORM 4 SUBMISSION

Filing date
15 Nov 2017
Reporting date
13 Nov 2017
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-36431

FORM 4 SUBMISSION

Filing date
18 Oct 2017
Reporting date
16 Oct 2017
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-36431

FORM 4 SUBMISSION

Filing date
31 Jan 2017
Reporting date
27 Jan 2017
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-36431

FORM 4 SUBMISSION

Filing date
20 Jan 2017
Reporting date
18 Jan 2017
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-36431

FORM 4 SUBMISSION

Filing date
09 Jan 2017
Reporting date
05 Jan 2017
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-36431

FORM 4 SUBMISSION

Filing date
19 Oct 2016
Reporting date
17 Oct 2016
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-36431

FORM 4 SUBMISSION

Filing date
14 Jul 2016
Reporting date
12 Jul 2016
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-36431

FORM 4 SUBMISSION

Filing date
15 Jun 2016
Reporting date
13 Jun 2016
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-36431

FORM 4 SUBMISSION

Filing date
01 Jun 2016
Reporting date
27 May 2016
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-36431

FORM 4 SUBMISSION

Filing date
02 Feb 2016
Reporting date
29 Jan 2016
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-36431

FORM 4 SUBMISSION

Filing date
06 Jan 2016
Reporting date
04 Jan 2016
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-36431

FORM 4 SUBMISSION

Filing date
05 Oct 2015
Reporting date
01 Oct 2015
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-36431

FORM 4 SUBMISSION

Filing date
28 Sep 2015
Reporting date
24 Sep 2015
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-36431

FORM 4 SUBMISSION

Filing date
06 Jul 2015
Reporting date
01 Jul 2015
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-36431

FORM 4 SUBMISSION

Filing date
08 Jun 2015
Reporting date
04 Jun 2015
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-36431

FORM 4 SUBMISSION

Filing date
03 Apr 2015
Reporting date
01 Apr 2015
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-36431

FORM 4 SUBMISSION

Filing date
28 Jan 2015
Reporting date
26 Jan 2015
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-36431

FORM 4 SUBMISSION

Filing date
24 Nov 2014
Reporting date
20 Nov 2014
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-36431

FORM 4 SUBMISSION

Filing date
10 Jul 2014
Reporting date
08 Jul 2014
SEC evidence
Open document Open filing
Next action
Verify source filing
3/A File 001-36431

FORM 3/A SUBMISSION

Filing date
30 Jun 2014
Reporting date
07 May 2014
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-36431

FORM 4 SUBMISSION

Filing date
09 May 2014
Reporting date
07 May 2014
SEC evidence
Open document Open filing
Next action
Verify source filing
3 File 001-36431

FORM 3 SUBMISSION

Filing date
07 May 2014
Reporting date
07 May 2014
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. Here you can make detailed settings or revoke your consent (in part if necessary) with effect for the future. For further information, please refer to our Privacy Policy .