Latest filings (excl ownership)
15-12G
Securities registration termination
1 Apr 24
S-8 POS
Registration of securities for employees (post-effective amendment)
1 Apr 24
S-8 POS
Registration of securities for employees (post-effective amendment)
1 Apr 24
S-8 POS
Registration of securities for employees (post-effective amendment)
1 Apr 24
S-8 POS
Registration of securities for employees (post-effective amendment)
1 Apr 24
S-8 POS
Registration of securities for employees (post-effective amendment)
1 Apr 24
DEFA14A
Additional proxy soliciting materials
29 Mar 24
DEFA14A
Additional proxy soliciting materials
26 Mar 24
EFFECT
Notice of effectiveness
25 Mar 24
EFFECT
Notice of effectiveness
25 Mar 24
POS AM
Prospectus update (post-effective amendment)
22 Mar 24
POS AM
Prospectus update (post-effective amendment)
22 Mar 24
25
Voluntary exchange delisting
20 Mar 24
DEFA14A
Additional proxy soliciting materials
11 Mar 24
8-K
Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard
11 Mar 24
DEFM14A
Proxy related to merger
23 Feb 24
8-K
Departure of Directors or Certain Officers
6 Feb 24
PREM14A
Preliminary proxy related to merger
5 Jan 24
DEFA14A
Additional proxy soliciting materials
26 Dec 23
8-K
Atreca Announces Asset Purchase Agreement for Sale of Antibody-Related Assets and Materials to Immunome
26 Dec 23
8-K
Atreca Reports Third Quarter 2023 Financial Results and Announces Further Reorganization to Support Exploration of Strategic Alternatives
14 Nov 23
10-Q
2023 Q3
Quarterly report
14 Nov 23
8-K
Atreca Announces Agreement to Terminate Lease and Departure of Chief Financial Officer Herb Cross
21 Sep 23
8-K
Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard
14 Sep 23
EFFECT
Notice of effectiveness
18 Aug 23
424B3
Prospectus supplement
17 Aug 23
S-3/A
Shelf registration (amended)
16 Aug 23
CORRESP
Correspondence with SEC
16 Aug 23
10-Q
2023 Q2
Quarterly report
10 Aug 23
8-K
Atreca Reports Second Quarter 2023 Financial Results and Announces Corporate Restructuring
10 Aug 23
CORRESP
Correspondence with SEC
27 Jul 23
CORRESP
Correspondence with SEC
26 Jul 23
UPLOAD
Letter from SEC
21 Jul 23
S-3
Shelf registration
19 Jul 23
8-K
Submission of Matters to a Vote of Security Holders
15 Jun 23
10-Q
2023 Q1
Quarterly report
10 May 23
8-K
Atreca Reports First Quarter 2023 Financial Results and Recent Corporate Developments
10 May 23
ARS
2022 FY
Annual report to shareholders
1 May 23
DEFA14A
Additional proxy soliciting materials
27 Apr 23
Latest ownership filings
4
John A Orwin
17 Apr 24
4
Tito Serafini
3 Apr 24
4
John A Orwin
3 Apr 24
4
Tito Serafini
3 Apr 24
4
Phillips Courtney
3 Apr 24
SC 13G
BAKER BROS. ADVISORS LP
10 Jan 24
4
JULIAN BAKER
23 Oct 23
3
Roger Richard Ruiz
27 Sep 23
4
Tito Serafini
4 Aug 23
4
HERB CROSS
4 Aug 23
4
Stephen E Gould
4 Aug 23
4
Phillips Courtney
4 Aug 23
4
Lindsey Rolfe
15 Jun 23
4
William Hewitt Robinson
15 Jun 23
4
Stacey Ma
15 Jun 23
4
David L. Lacey
15 Jun 23
4
Stephen R Brady
15 Jun 23
4
FRANKLIN M BERGER
15 Jun 23
4
KRISTINE M BALL
15 Jun 23
4
BRIAN G ATWOOD
15 Jun 23
4
John A Orwin
13 Feb 23
4
HERB CROSS
13 Feb 23
4
Tito Serafini
13 Feb 23
4
Phillips Courtney
13 Feb 23
4
Stephen E Gould
13 Feb 23
4
Philippe C Bishop
11 Jan 23
3
Philippe C Bishop
11 Jan 23
SC 13G/A
BlackRock Inc.
7 Dec 22
4
Tito Serafini
20 Sep 22
4
John A Orwin
20 Sep 22
4
HERB CROSS
20 Sep 22
4
Phillips Courtney
20 Sep 22
4
Tito Serafini
30 Jun 22
4
Stephen E Gould
17 Jun 22
3
Stephen E Gould
17 Jun 22
4
Phillips Courtney
15 Jun 22
4
Tito Serafini
15 Jun 22
4
John A Orwin
15 Jun 22
4
HERB CROSS
15 Jun 22
4
BRIAN G ATWOOD
13 Jun 22