Filer Snapshot

ALEXION PHARMACEUTICALS, INC.

CIK 0000899866. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.

Entity type

Company

Total filings

2,112

Latest filing

16 Nov 2022

Industry

Pharmaceutical Preparations

Filing-backed research brief

Start with the SEC data that changes for this CIK

Latest signal: SEC filing timeline only. Each card links back to the PortfolioSavvy page where the filing evidence is closest.

Go to filings 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 filing SC TO-T/A

SC TO-T/A filed on 16 Nov 2022 for CIK 0000899866.

View source filing
At a glance Names, identifiers, and filing context for this profile. 2 identity fields
SEC industry group
Pharmaceutical Preparations (Office of Life Sciences)
Business address
121 Seaport Boulevard, Boston, MA, 02210
EDGAR profile Static EDGAR fields kept behind disclosure so the main profile stays readable. 2 profile fields available
Incorporated in
DE
Fiscal year end
31 December

Filer intelligence

What SEC filings say about ALEXION PHARMACEUTICALS, INC.

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

SEC source mix

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

No XML rows yet
13F portfolio No rows yet

Quarterly institutional portfolio holdings.

13D/G stakes No rows yet

Beneficial ownership and large-stake disclosures.

Forms 3/4/5 No rows yet

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

No parsed ownership summary yet

We still show the SEC filing timeline below. The intelligence summary will populate when parsed 13F, 13D/G, or Forms 3/4/5 data exists for this CIK.

SEC filing record

CIK 0000899866 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
2,112
First seen
13 Jun 1996
Latest filing
16 Nov 2022
Entity
Company

Observed form types

SC TO-T/A SC TO-T SC TO-C SC 13G/A 15-12G EFFECT 4 S-8 POS POS AM 8-K +28 more

CIK-linked evidence first

ALEXION PHARMACEUTICALS, INC. SEC filings ALEXION PHARMACEUTICALS, INC. insider transactions Open SEC filing index

Industry context: Pharmaceutical Preparations.

Latest Filings

Showing the latest 12 of 1,000 SEC filings for ALEXION PHARMACEUTICALS, INC..

Open full filing history
SC TO-T/A

SC TO-T/A

Filing date
16 Nov 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC TO-T

SC TO-T

Filing date
18 Oct 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC TO-C

SC TO-C

Filing date
03 Oct 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-47771

SC 13G/A filing

Filing date
09 Aug 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
15-12G File 000-27756

15-12G

Filing date
02 Aug 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
EFFECT File 333-59702

EFFECT filing

Filing date
23 Jul 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
EFFECT File 333-52886

EFFECT filing

Filing date
23 Jul 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
EFFECT File 333-47645

EFFECT filing

Filing date
23 Jul 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
EFFECT File 333-41397

EFFECT filing

Filing date
23 Jul 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
EFFECT File 333-36738

EFFECT filing

Filing date
23 Jul 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
EFFECT File 333-29617

EFFECT filing

Filing date
23 Jul 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
EFFECT File 333-226838

EFFECT filing

Filing date
23 Jul 2021
Reporting date
Not listed
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 .