Joan M. Lammtennant
CIK: 0001208239
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (14 total)
- Oct 1, 2026OSG
OCTAVE SPECIALTY GROUP INC
Award(A)DirectRestricted Stock Units
8.2K shares- - Jul 1, 2026OSG
OCTAVE SPECIALTY GROUP INC
Award(A)DirectRestricted Stock Units
6.5K shares- - May 20, 2026AB
ALLIANCEBERNSTEIN HOLDING L.P.
Award(A)Direct4.4K shares at avg. $38.67$170K - May 20, 2026EQH
Equitable Holdings, Inc.
Award(A)Direct6.9K shares at avg. $42.05$290K - Apr 1, 2026OSG
OCTAVE SPECIALTY GROUP INC
Award(A)DirectRestricted Stock Units
7.4K shares- - Jan 1, 2026OSG
OCTAVE SPECIALTY GROUP INC
Award(A)DirectRestricted Stock Units
4.5K shares- - Oct 1, 2025AMBC
AMBAC FINANCIAL GROUP INC
Award(A)DirectRestricted Stock Units
4.1K shares- - Sep 29, 2025AMBC
AMBAC FINANCIAL GROUP INC
Conversion(C)Direct107K shares- - Jul 1, 2025AMBC
AMBAC FINANCIAL GROUP INC
Award(A)DirectRestricted Stock Units
7.1K shares- - May 21, 2025EQH
Equitable Holdings, Inc.
Award(A)Direct5.4K shares- - May 21, 2025AB
ALLIANCEBERNSTEIN HOLDING L.P.
Award(A)Direct4.3K shares at avg. $39.98$170K - Apr 1, 2025AMBC
AMBAC FINANCIAL GROUP INC
Award(A)DirectRestricted Stock Units
5.7K shares- - Jan 1, 2025AMBC
AMBAC FINANCIAL GROUP INC
Award(A)DirectRestricted Stock Units
3.9K shares- - Oct 1, 2024AMBC
AMBAC FINANCIAL GROUP INC
Award(A)DirectRestricted Stock Units
4.5K shares at avg. $11.12-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Oct 1, 2026 |  OSG OCTAVE SPECIALTY GROUP INC | Award(A) Restricted Stock Units | 8,224 | - | - | Direct |
| Jul 1, 2026 | OSG OCTAVE SPECIALTY GROUP INC | Award(A) Restricted Stock Units | 6,500 | - | - | Direct |
| May 20, 2026 |  AB ALLIANCEBERNSTEIN HOLDING L.P. | Award(A) | 4,397 | $38.67 | $170,032 | Direct |
| May 20, 2026 |  EQH Equitable Holdings, Inc. | Award(A) | 6,897 | $42.05 | $290,019 | Direct |
| Apr 1, 2026 | OSG OCTAVE SPECIALTY GROUP INC | Award(A) Restricted Stock Units | 7,441 | - | - | Direct |
| Jan 1, 2026 | OSG OCTAVE SPECIALTY GROUP INC | Award(A) Restricted Stock Units | 4,524 | - | - | Direct |
| Oct 1, 2025 |  AMBC AMBAC FINANCIAL GROUP INC | Award(A) Restricted Stock Units | 4,126 | - | - | Direct |
| Sep 29, 2025 | AMBC AMBAC FINANCIAL GROUP INC | Conversion(C) | 106,990 | - | - | Direct |
| Jul 1, 2025 | AMBC AMBAC FINANCIAL GROUP INC | Award(A) Restricted Stock Units | 7,053 | - | - | Direct |
| May 21, 2025 | EQH Equitable Holdings, Inc. | Award(A) | 5,428 | - | - | Direct |
| May 21, 2025 | AB ALLIANCEBERNSTEIN HOLDING L.P. | Award(A) | 4,253 | $39.98 | $170,035 | Direct |
| Apr 1, 2025 | AMBC AMBAC FINANCIAL GROUP INC | Award(A) Restricted Stock Units | 5,728 | - | - | Direct |
| Jan 1, 2025 | AMBC AMBAC FINANCIAL GROUP INC | Award(A) Restricted Stock Units | 3,938 | - | - | Direct |
| Oct 1, 2024 | AMBC AMBAC FINANCIAL GROUP INC | Award(A) Restricted Stock Units | 4,497 | $11.12 | - | Direct |
1-14 of 14 transactions
About LAMMTENNANT JOAN M
LAMMTENNANT JOAN M (SEC CIK 0001208239) files insider reports with the SEC as Director of OCTAVE SPECIALTY GROUP INC (OSG), Director of ALLIANCEBERNSTEIN HOLDING L.P. (AB) and Director of Equitable Holdings, Inc. (EQH).
Signal8 holds 14 ownership filings by LAMMTENNANT JOAN M, all Form 4s, filed between Oct 1, 2024 and Oct 5, 2026. Those filings report 14 transactions, from Oct 1, 2024 to Oct 1, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on LAMMTENNANT JOAN M's filings is in NEW YORK, NY.
Recent filings by LAMMTENNANT JOAN M
- Oct 1, 2026: Grant or award of OSG derivative securities (Form 4, code A).
- Jul 1, 2026: Grant or award of OSG derivative securities (Form 4, code A).
- May 20, 2026: Grant or award of AB shares (Form 4, code A).
- May 20, 2026: Grant or award of EQH shares (Form 4, code A).
- Apr 1, 2026: Grant or award of OSG derivative securities (Form 4, code A).
Other insiders filing for OCTAVE SPECIALTY GROUP INC (OSG)
- LeBlanc Claude, Chief Executive Officer
- Smith R Sharon, Exec VP & Group COO
- Trick David, Exec VP, CFO & Treasurer
- Stein Jeffrey Scott, Director
- PRICE MICHAEL D, Director
- Matus Kristi Ann, Director