A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.

Why are some filings missing?

New filings appear as the SEC updates EDGAR, and older records can vary by availability.

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Updates follow new EDGAR submissions and periodic data refreshes.

Filer Snapshot

Tillman U. Gerngross

CIK 0001722061. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.

Entity type

Individual

Total filings

Latest filing

15 Jun 2023

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 ALEC. Each card links back to the PortfolioSavvy page where the filing evidence is closest.

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Latest 13F portfolio

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Largest parsed holding

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Populates from the latest parsed 13F information table.

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13D/G large stake

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

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Insider / owner context

ALEC

14 Jun 2023 · $14.7M

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Source: SEC Forms 3/4/5

4 filed on 15 Jun 2023 for CIK 0001722061.

View Source Filing

Business address: C/O Arsanis, Inc., 890 Winter Street, Suite 230, Waltham, MA, 02451
Parsed ownership coverage: Form 3/4/5 holdings value
$14.7M
Estimated from parsed insider ownership filings when values are available.
Top disclosed positions: ALEC

Filer intelligence

What SEC filings say about Tillman U. Gerngross

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

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Quick read

Forms 3/4/5 show insider context for ALEC worth $14.7M.

SEC source mix

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

XML parsed

13F portfolio No rows yet

Quarterly institutional portfolio holdings.

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13D/G stakes No rows yet

Beneficial ownership and large-stake disclosures.

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Forms 3/4/5 2 rows

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

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Forms 3/4/5 insider context

ALEC

14 Jun 2023

$14.7M

Issuer page Owner page

IVVD

30 Jan 2022 · Chief Executive Officer · 10% owner

Issuer page Owner page

Latest update

What changed recently for Tillman U. Gerngross

Ownership report updated

Latest ownership report period: 14 Jun 2023. Open the source-backed page to inspect the fresh filing or facts context.

Update date

15 Jun 2023

Page type

Ownership filings

Latest period

14 Jun 2023

Ownership context was refreshed from SEC Forms 3/4/5 filed on 15 Jun 2023.

Open ownership filings Browse recent public updates

SEC filing record

CIK 0001722061 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

First seen

15 Nov 2017

Latest filing

15 Jun 2023

Entity

Individual

Observed form types

4 3 4/A

Primary evidence

Open SEC filing index Tillman U. Gerngross SEC filings Tillman U. Gerngross owner filings

Latest Filings

Showing the latest 12 of 15 SEC filings for Tillman U. Gerngross.

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4 File 001-38792

4

Filing date: 15 Jun 2023
Reporting date: 14 Jun 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38792

FORM 4 SUBMISSION

Filing date: 21 Jun 2022
Reporting date: 16 Jun 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-40703

FORM 4 SUBMISSION

Filing date: 01 Feb 2022
Reporting date: 30 Jan 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-40703

FORM 4 SUBMISSION

Filing date: 12 Aug 2021
Reporting date: 10 Aug 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-40703

FORM 3 SUBMISSION

Filing date: 05 Aug 2021
Reporting date: 05 Aug 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38792

FORM 4 SUBMISSION

Filing date: 22 Jun 2021
Reporting date: 17 Jun 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38792

FORM 4 SUBMISSION

Filing date: 13 May 2020
Reporting date: 11 May 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38792

FORM 4 SUBMISSION

Filing date: 14 May 2019
Reporting date: 10 May 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38792

FORM 4 SUBMISSION

Filing date: 11 Feb 2019
Reporting date: 11 Feb 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-38792

FORM 3 SUBMISSION

Filing date: 06 Feb 2019
Reporting date: 06 Feb 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38295

FORM 4 SUBMISSION

Filing date: 07 Jun 2018
Reporting date: 05 Jun 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A File 001-38295

FORM 4/A SUBMISSION

Filing date: 05 Mar 2018
Reporting date: 15 Nov 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

Tillman U. Gerngross

Start with the SEC data that changes for this CIK

What SEC filings say about Tillman U. Gerngross

Quick read

SEC source mix

Forms 3/4/5 insider context

What changed recently for Tillman U. Gerngross

CIK 0001722061 filing coverage

Latest Filings

4

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 3 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 3 SUBMISSION

FORM 4 SUBMISSION

FORM 4/A SUBMISSION

Related pages for Tillman U. Gerngross