BETH C. SEIDENBERG

Insider Reports History

Location
Westlake Village, CA
Signature
By: /s/ Jennifer L. Kercher, as Attorney-in-Fact
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by BETH C. SEIDENBERG:

Company Role Class Num Shares Value Price $ Report Date Ownership
Progyny, Inc. Director Common Stock 227,906 $7,281,597 $31.95 23 May 2024 Indirect
Kyverna Therapeutics, Inc. Director Common Stock 869,317 $6,519,877 $7.50 18 Dec 2025 Indirect
Vera Therapeutics, Inc. Director Class A Common Stock 131,553 $6,517,215 $49.54 28 Oct 2024 Direct
Progyny, Inc. Director Common Stock 43,416 $1,387,141 $31.95 23 May 2024 Direct
Progyny, Inc. Director Stock Option (Right to Buy) 26,926 $536,635 $19.93 23 May 2024 Direct
Vera Therapeutics, Inc. Director Class A Common Stock 4,012 $198,757 $49.54 28 Oct 2024 Indirect
Kyverna Therapeutics, Inc. Director Common Stock 16,634 $107,788 $6.48 18 Dec 2025 Direct
Atara Biotherapeutics, Inc. Director Common Stock 115,689 $45,003 $0.3890 31 May 2023 Direct
Atara Biotherapeutics, Inc. Director Common Stock 197 $77 $0.3890 31 May 2023 Indirect
ACELYRIN, Inc. Director Common Stock 0 $0 $2.45 21 May 2025 Direct
ACELYRIN, Inc. Director Common Stock 0 $0 $2.45 21 May 2025 Indirect
Atara Biotherapeutics, Inc. Director Non-Qualified Stock Option (Right to Buy) 79,500 31 May 2023 Direct
Kyverna Therapeutics, Inc. Director Stock Option (right to buy) 65,351 29 May 2025 Direct
Sagimet Biosciences Inc. Director Stock Option (Right to Buy) 32,250 09 Jun 2025 Direct
Vera Therapeutics, Inc. Director Stock Option (right to buy) 14,000 14 May 2025 Direct
ACELYRIN, Inc. Director Director Stock Option (right to buy) 0 21 May 2025 Direct

Insider Reports Filed by BETH C. SEIDENBERG

Symbol Company Period Transactions Value $ Form Type Role Filing Time
KYTX Kyverna Therapeutics, Inc. 18 Dec 2025 1 +$999,998 4 Director 22 Dec 2025, 11:43
SGMT Sagimet Biosciences Inc. 06 Jun 2025 2 $0 4 Director 10 Jun 2025, 17:42
KYTX Kyverna Therapeutics, Inc. 29 May 2025 2 $0 4 Director, 10%+ Owner 02 Jun 2025, 18:35
SLRN ACELYRIN, Inc. 21 May 2025 4 $0 4 Director 23 May 2025, 16:09
VERA Vera Therapeutics, Inc. 14 May 2025 1 $0 4 Director 16 May 2025, 16:10
VERA Vera Therapeutics, Inc. 28 Oct 2024 2 -$720,493 4 Director 30 Oct 2024, 16:06
VERA Vera Therapeutics, Inc. 18 Sep 2024 3 -$696,233 4 Director 20 Sep 2024, 16:45
SLRN ACELYRIN, Inc. 07 Jun 2024 1 $0 4 Director 11 Jun 2024, 21:07
SGMT Sagimet Biosciences Inc. 05 Jun 2024 1 $0 4 Director 07 Jun 2024, 16:07
PGNY Progyny, Inc. 23 May 2024 2 $0 4 Director 28 May 2024, 21:50
VERA Vera Therapeutics, Inc. 15 May 2024 1 $0 4 Director 17 May 2024, 16:17
KYTX Kyverna Therapeutics, Inc. 12 Feb 2024 6 $0 4 Director, 10%+ Owner 14 Feb 2024, 18:56
KYTX Kyverna Therapeutics, Inc. 07 Feb 2024 0 $0 3 Director, 10%+ Owner 07 Feb 2024, 21:55
SGMT Sagimet Biosciences Inc. 18 Jul 2023 15 +$750,000 4 Director 20 Jul 2023, 16:20
SGMT Sagimet Biosciences Inc. 13 Jul 2023 0 $0 3 Director 13 Jul 2023, 21:11
PGNY Progyny, Inc. 23 Jun 2023 2 $0 4 Director 27 Jun 2023, 16:57
PGNY Progyny, Inc. 09 Jun 2023 4 $0 4 Director 13 Jun 2023, 21:20
ATRA Atara Biotherapeutics, Inc. 31 May 2023 2 $0 4 Director 02 Jun 2023, 20:06
PGNY Progyny, Inc. 24 May 2023 3 +$64,992 4 Director 01 Jun 2023, 16:20
VERA Vera Therapeutics, Inc. 10 May 2023 1 $0 4 Director 12 May 2023, 16:18
SLRN ACELYRIN, Inc. 09 May 2023 8 +$23,580,000 4 Director, 10%+ Owner 11 May 2023, 21:13
SLRN ACELYRIN, Inc. 04 May 2023 1 $0 4 Director, 10%+ Owner 04 May 2023, 20:21
SLRN ACELYRIN, Inc. 04 May 2023 0 $0 3 Director, 10%+ Owner 04 May 2023, 19:32
VERA Vera Therapeutics, Inc. 30 Mar 2023 1 +$16,651 4 Director 03 Apr 2023, 16:05
VERA Vera Therapeutics, Inc. 28 Mar 2023 1 +$173,192 4 Director 30 Mar 2023, 16:07
VERA Vera Therapeutics, Inc. 24 Mar 2023 2 +$25,102 4 Director 28 Mar 2023, 16:05
VERA Vera Therapeutics, Inc. 17 Mar 2023 2 +$636,915 4 Director 21 Mar 2023, 16:40
VERA Vera Therapeutics, Inc. 15 Mar 2023 2 +$660,278 4 Director 17 Mar 2023, 16:10
VERA Vera Therapeutics, Inc. 10 Mar 2023 1 +$343,485 4 Director 14 Mar 2023, 16:05
VERA Vera Therapeutics, Inc. 03 Mar 2023 1 +$7,245 4 Director 07 Mar 2023, 15:07
VERA Vera Therapeutics, Inc. 01 Mar 2023 2 +$170,047 4 Director 03 Mar 2023, 15:07
VERA Vera Therapeutics, Inc. 23 Feb 2023 1 +$1,447 4 Director 27 Feb 2023, 15:07
VERA Vera Therapeutics, Inc. 13 Feb 2023 1 +$72,490 4 Director 15 Feb 2023, 17:32
VERA Vera Therapeutics, Inc. 09 Feb 2023 1 +$2,900 4 Director 13 Feb 2023, 15:04
VERA Vera Therapeutics, Inc. 03 Feb 2023 4 +$2,209,588 4 Director 09 Feb 2023, 15:36
PGNY Progyny, Inc. 24 Oct 2022 5 $0 4 Director 26 Oct 2022, 17:40
ATRA Atara Biotherapeutics, Inc. 23 Jun 2022 2 $0 4 Director 27 Jun 2022, 16:48
VERA Vera Therapeutics, Inc. 24 May 2022 1 $0 4 Director 26 May 2022, 16:06
PGNY Progyny, Inc. 22 Dec 2021 2 $0 4 Director 27 Dec 2021, 15:37
PGNY Progyny, Inc. 17 Nov 2021 4 $0 4 Director 18 Nov 2021, 12:16
PGNY Progyny, Inc. 16 Sep 2021 4 $0 4 Director 26 Oct 2021, 17:32
PGNY Progyny, Inc. 19 Jul 2021 2 $0 4 Director 21 Jul 2021, 18:06
PGNY Progyny, Inc. 21 Jun 2021 6 $0 4 Director 23 Jun 2021, 20:20
ATRA Atara Biotherapeutics, Inc. 08 Jun 2021 2 $0 4 Director 09 Jun 2021, 19:16
VERA Vera Therapeutics, Inc. 18 May 2021 6 $0 4 Director 18 May 2021, 20:15
VERA Vera Therapeutics, Inc. 13 May 2021 1 $0 4 Director 17 May 2021, 20:38
VERA Vera Therapeutics, Inc. 13 May 2021 0 $0 3 Director 13 May 2021, 19:20