Terrance McGuire

Insider Reports History

Location
Waltham, MA
Signature
/s/ David Horn, by power of attorney
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 Terrance McGuire:

Company Role Class Num Shares Value Price $ Report Date Ownership
Alector, Inc. Director, 10%+ Owner Common Stock 10,853,817 $60,347,223 $5.56 11 Sep 2023 Indirect
Tectonic Therapeutic, Inc. Director Common Stock 573,062 $9,799,360 $17.10 07 Apr 2025 Indirect
Invivyd, Inc. Director Common Stock 3,066,757 $1,366,240 $0.4455 31 Dec 2024 Indirect
Seer, Inc. Director Class A Common Stock 215,070 $471,003 $2.19 09 Dec 2025 Indirect
Alector, Inc. Director, 10%+ Owner Common Stock 54,996 $305,778 $5.56 11 Sep 2023 Direct
Seer, Inc. Director Class A Common Stock 112,066 $245,424 $2.19 09 Dec 2025 Direct
Cyclerion Therapeutics, Inc. Director Common Stock 34,866 $118,370 $3.40 30 Nov 2023 By Polaris Partners VIII, L.P
Cyclerion Therapeutics, Inc. Director Common Stock 5,552 $18,849 $3.40 30 Nov 2023 Direct
Cyclerion Therapeutics, Inc. Director Common Stock 1,247 $4,234 $3.40 30 Nov 2023 By Polaris Entrepreneurs 'Fund VIII, L.P.
Cyclerion Therapeutics, Inc. Director Common Stock 345 $1,171 $3.40 30 Nov 2023 By Bartlett Partners, LLC
Invivyd, Inc. Director Stock Option (Right to Buy) 50,000 20 May 2025 Direct
Seer, Inc. Director Stock Option (right to buy) 30,500 07 Jul 2025 Direct
Tectonic Therapeutic, Inc. Director Stock Option (Right to Buy) 10,200 09 Jun 2025 Direct
Seer, Inc. Director Class B Common Stock 0 09 Dec 2025 Indirect

Insider Reports Filed by Terrance McGuire

Symbol Company Period Transactions Value $ Form Type Role Filing Time
SEER Seer, Inc. 09 Dec 2025 2 $0 4 Director 11 Dec 2025, 20:40
SEER Seer, Inc. 07 Jul 2025 2 $0 4 Director 09 Jul 2025, 16:11
TECX Tectonic Therapeutic, Inc. 09 Jun 2025 1 $0 4 Director 11 Jun 2025, 16:30
IVVD Invivyd, Inc. 20 May 2025 1 $0 4 Director 22 May 2025, 16:16
TECX Tectonic Therapeutic, Inc. 07 Apr 2025 1 -$8,550,000 4 Director 07 Apr 2025, 17:02
IVVD Invivyd, Inc. 27 Dec 2024 3 -$131,529 4 Director 31 Dec 2024, 19:16
IVVD Invivyd, Inc. 20 Dec 2024 4 -$164,868 4 Director 26 Dec 2024, 19:46
IVVD Invivyd, Inc. 17 Dec 2024 3 -$147,795 4 Director 19 Dec 2024, 17:54
IVVD Invivyd, Inc. 12 Dec 2024 2 -$103,385 4 Director 16 Dec 2024, 20:29
IVVD Invivyd, Inc. 09 Dec 2024 3 -$289,377 4 Director 11 Dec 2024, 18:26
TECX Tectonic Therapeutic, Inc. 20 Jun 2024 4 $0 4 Director 24 Jun 2024, 16:27
TECX Tectonic Therapeutic, Inc. 20 Jun 2024 0 $0 3 Director 24 Jun 2024, 16:26
SEER Seer, Inc. 12 Jun 2024 1 $0 4 Director 14 Jun 2024, 16:26
IVVD Invivyd, Inc. 29 May 2024 1 -$186,575 4 Director 31 May 2024, 17:09
IVVD Invivyd, Inc. 21 May 2024 1 $0 4 Director 23 May 2024, 18:31
CYCN Cyclerion Therapeutics, Inc. 30 Nov 2023 1 $0 4 Director 04 Dec 2023, 16:05
ALEC Alector, Inc. 11 Sep 2023 1 -$3,000,000 4 Director, 10%+ Owner 13 Sep 2023, 16:29
ALEC Alector, Inc. 22 Aug 2023 5 $0 4 Director, 10%+ Owner 24 Aug 2023, 17:34
CYCN Cyclerion Therapeutics, Inc. 09 Aug 2023 1 -$27.16 4 Director 11 Aug 2023, 16:25
SEER Seer, Inc. 14 Jun 2023 2 $0 4 Director 16 Jun 2023, 21:18
ALEC Alector, Inc. 14 Jun 2023 2 $0 4 Director, 10%+ Owner 15 Jun 2023, 16:03
IVVD Invivyd, Inc. 23 May 2023 1 $0 4 Director 25 May 2023, 20:51
ALEC Alector, Inc. 16 Nov 2022 5 $0 4 Director, 10%+ Owner 18 Nov 2022, 15:37
IVVD Adagio Therapeutics, Inc. 22 Jun 2022 1 $0 4 Director 24 Jun 2022, 16:28
ALEC Alector, Inc. 16 Jun 2022 2 $0 4 Director 21 Jun 2022, 19:40
SEER Seer, Inc. 15 Jun 2022 2 $0 4 Director 17 Jun 2022, 18:47
CYCN Cyclerion Therapeutics, Inc. 14 Jun 2022 1 $0 4 Director 16 Jun 2022, 20:56
IVVD Adagio Therapeutics, Inc. 28 Mar 2022 0 $0 4 Director, Other* 30 Mar 2022, 18:19
ALEC Alector, Inc. 21 Dec 2021 5 $0 4 Director, 10%+ Owner 23 Dec 2021, 15:40
IVVD Adagio Therapeutics, Inc. 10 Aug 2021 28 +$8,500,000 4 Director 12 Aug 2021, 21:24
IVVD Adagio Therapeutics, Inc. 05 Aug 2021 1 $0 4 Director 09 Aug 2021, 19:58
IVVD Adagio Therapeutics, Inc. 05 Aug 2021 0 $0 3 Director 05 Aug 2021, 21:39
CYCN Cyclerion Therapeutics, Inc. 24 Jun 2021 1 $0 4 Director 28 Jun 2021, 17:05
SEER Seer, Inc. 17 Jun 2021 1 $0 4 Director 22 Jun 2021, 18:36
ALEC Alector, Inc. 17 Jun 2021 1 $0 4 Director 22 Jun 2021, 16:58
CYCN Cyclerion Therapeutics, Inc. 03 Jun 2021 2 +$299,997 4 Director 07 Jun 2021, 17:36