Insider · CIK 0001117003
Terrance McGuire
Files at TECX (AVROBIO, Inc.), SEER (Seer, Inc.), KRSA (Cyclerion Therapeutics, Inc.), IVVD (Invivyd, Inc.). First filing Dec 11, 2024, latest Apr 7, 2025.
In brief
Terrance McGuire files SEC Form 4 as director at IVVD (Invivyd, Inc.), and also at TECX (AVROBIO, Inc.), SEER (Seer, Inc.), KRSA (Cyclerion Therapeutics, Inc.). Since Dec 11, 2024, Terrance McGuire has reported 0 open-market buys worth $0 and 6 open-market sells worth $9.4M, the latest filed on Apr 7, 2025.
A track record needs three past buys with six months of prices behind them; Terrance McGuire has 0, so none is measured yet.
The newest scored trade: sold $8.6M of TECX on Apr 7, 2025, filed Apr 7, 2025, scored 50 (moderate).
Where the trades landed
Last year at the 2 companies this insider has traded most, with each buy and sell on the bar it happened.
IVVD: Invivyd, Inc.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
TECX: AVROBIO, Inc.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 50Moderate | TECXsell AVROBIO, Inc. | $8.6M 500,000 shares | -47% | 0% from low-72% from high | |
| 26Weak | IVVDsell Invivyd, Inc. | $132k 273,763 shares | -8% | - | |
| 26Weak | IVVDsell Invivyd, Inc. | $165k 347,559 shares | -9% | - | |
| 26Weak | IVVDsell Invivyd, Inc. | $148k 324,241 shares | -8% | - | |
| 25Weak | IVVDsell Invivyd, Inc. | $103k 190,359 shares | -5% | - | |
| 34Weak | IVVDsell Invivyd, Inc. | $289k 485,400 shares | -10% | - |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Aug 27, 2026 | TECX TECTONIC THERAPEUTIC, INC. | 7,513 0.04% of outstanding | $277k | Aug 27, 2026 | $384k |
| Aug 21, 2026 | TECX TECTONIC THERAPEUTIC, INC. | 10,200 0.05% of outstanding | $384k | Aug 21, 2026 | none |
Transactions
Every row this insider has filed, 26 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Jul 28, 2026 | SEER Seer, Inc. | AGrant or award Class A Common Stock | +16,500 | $0.00 | $0 | 128,566 | Jul 30, 2026 |
| Jul 28, 2026 | SEER Seer, Inc. | AGrant or award Stock Option (right to buy)derivative | +25,000 | $0.00 | $0 | 25,000 | Jul 30, 2026 |
| May 19, 2026 | IVVD Invivyd, Inc. | AGrant or award Stock Option (Right to Buy)derivative | +50,000 | $0.00 | $0 | 50,000 | May 21, 2026 |
| Dec 9, 2025 | SEER Seer, Inc. | CConversion Class A Common Stockindirect: See footnote | +4,088 | - | - | 215,070 | Dec 11, 2025 |
| Dec 9, 2025 | SEER Seer, Inc. | CConversion Class B Common Stockderivativeindirect: See footnote | -4,088 | $0.00 | $0 | 0 | Dec 11, 2025 |
| Jul 7, 2025 | SEER Seer, Inc. | AGrant or award Class A Common Stock | +20,500 | $0.00 | $0 | 112,066 | Jul 9, 2025 |
| Jul 7, 2025 | SEER Seer, Inc. | AGrant or award Stock Option (right to buy)derivative | +30,500 | $0.00 | $0 | 30,500 | Jul 9, 2025 |
| Jun 9, 2025 | TECX AVROBIO, Inc. | AGrant or award Stock Option (Right to Buy)derivative | +10,200 | $0.00 | $0 | 10,200 | Jun 11, 2025 |
| May 20, 2025 | IVVD Invivyd, Inc. | AGrant or award Stock Option (Right to Buy)derivative | +50,000 | $0.00 | $0 | 50,000 | May 22, 2025 |
| Apr 7, 2025 | TECX AVROBIO, Inc. | SOpen-market sale Common Stockindirect: See Footnote | -500,000 | $17.10 | $8.6M | 573,062 | Apr 7, 2025 |
| Dec 27, 2024 | IVVD Invivyd, Inc. | SOpen-market sale Common Stockindirect: See Footnote | -83,744 | $0.52 | $44k | 3,256,776 | Dec 31, 2024 |
| Dec 30, 2024 | IVVD Invivyd, Inc. | SOpen-market sale Common Stockindirect: See Footnote | -86,545 | $0.48 | $42k | 3,170,231 | Dec 31, 2024 |
| Dec 31, 2024 | IVVD Invivyd, Inc. | SOpen-market sale Common Stockindirect: See Footnote | -103,474 | $0.45 | $46k | 3,066,757 | Dec 31, 2024 |
| Dec 20, 2024 | IVVD Invivyd, Inc. | SOpen-market sale Common Stockindirect: See Footnote | -119,805 | $0.42 | $51k | 3,568,274 | Dec 26, 2024 |
| Dec 23, 2024 | IVVD Invivyd, Inc. | SOpen-market sale Common Stockindirect: See Footnote | -75,776 | $0.45 | $34k | 3,492,498 | Dec 26, 2024 |
| Dec 24, 2024 | IVVD Invivyd, Inc. | SOpen-market sale Common Stockindirect: See Footnote | -68,161 | $0.51 | $35k | 3,424,337 | Dec 26, 2024 |
| Dec 26, 2024 | IVVD Invivyd, Inc. | SOpen-market sale Common Stockindirect: See Footnote | -83,817 | $0.54 | $46k | 3,340,520 | Dec 26, 2024 |
| Dec 17, 2024 | IVVD Invivyd, Inc. | SOpen-market sale Common Stockindirect: See Footnote | -97,410 | $0.48 | $47k | 3,914,910 | Dec 19, 2024 |
| Dec 18, 2024 | IVVD Invivyd, Inc. | SOpen-market sale Common Stockindirect: See Footnote | -74,764 | $0.47 | $35k | 3,840,146 | Dec 19, 2024 |
| Dec 19, 2024 | IVVD Invivyd, Inc. | SOpen-market sale Common Stockindirect: See Footnote | -152,067 | $0.43 | $66k | 3,688,079 | Dec 19, 2024 |
| Dec 12, 2024 | IVVD Invivyd, Inc. | SOpen-market sale Common Stockindirect: See Footnote | -125,000 | $0.58 | $73k | 4,077,679 | Dec 16, 2024 |
| Dec 16, 2024 | IVVD Invivyd, Inc. | SOpen-market sale Common Stockindirect: See Footnote | -65,359 | $0.47 | $31k | 4,012,320 | Dec 16, 2024 |
| Dec 9, 2024 | IVVD Invivyd, Inc. | SOpen-market sale Common Stockindirect: See Footnote | -150,000 | $0.61 | $92k | 4,538,079 | Dec 11, 2024 |
| Dec 10, 2024 | IVVD Invivyd, Inc. | SOpen-market sale Common Stockindirect: See Footnote | -175,000 | $0.59 | $103k | 4,363,079 | Dec 11, 2024 |
| Dec 11, 2024 | IVVD Invivyd, Inc. | SOpen-market sale Common Stockindirect: See Footnote | -160,400 | $0.59 | $95k | 4,202,679 | Dec 11, 2024 |
| Nov 30, 2023 | KRSA Cyclerion Therapeutics, Inc. | AGrant or award Common Stock | +5,000 | $0.00 | $0 | 5,552 | Dec 4, 2023 |
Questions about Terrance McGuire
Answered from the filings on this page, as of the latest one.
Is Terrance McGuire buying or selling?
Not in the last 12 months. Terrance McGuire's latest open-market trade on SEC Form 4 was sold $8.6M of TECX on Apr 7, 2025.
How did Terrance McGuire's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Terrance McGuire has 0.
Where does Terrance McGuire file Form 4?
Terrance McGuire has filed Form 4 at IVVD (Invivyd, Inc.); TECX (AVROBIO, Inc.); SEER (Seer, Inc.); KRSA (Cyclerion Therapeutics, Inc.). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.