Reporting owner · CIK 0001791187
Lochner Daniel
Visual SEC Form 4 history across 1 companies, 6 transactions and 5 filings.
CFOChief Financial OfficerTectonic Therapeutic, Inc.
Open-market mix
100%buys
Open-market buy performance
90-day forward return on this insider's open-market purchases
For every open-market buy (Form 4 code P, acquisition A) in the selected window, we take the closing price on the transaction date and 90 calendar days later, then compute the percentage change. The figures shown are the simple average and median of those per-buy returns.
- Window follows the rest of the summary (all-history or last 3 months).
- Only buys with a resolved price context are counted.
- Includes both positive and negative outcomes; gains and losses net out at the per-buy level.
Monthly open-market activity
Reported purchase and sale transaction counts
Buys Sells
Net value flow
Buys minus sells
Feb 25
$250K
Feb 26
$129.7K
Sep 26
$0
Transaction texture
Ownership and ticket size
Average P/S size$189.8K
Median P/S size$189.8K
Direct6
Indirect0
Sep 03, 2026grant
Filing-only signals
Deterministic matches in this insider's history
Latest Form 4 facts
Quick context from source filings
Latest transaction
buy at Tectonic Therapeutic, Inc. on Feb 10, 2026 valued at $129,660.
Review SEC filingLatest sale
No open-market insider sale is available.
Associated companies
Visual map of known reporting history
| Ticker | Insider | Role | Type | Shares | Value | Code | Signals | 90d return | Filed | Trans date |
|---|---|---|---|---|---|---|---|---|---|---|
| TECX | Lochner Daniel | CFO | grant | 24.2k | $0 | A | 0.0% | 09/08 | 09/03 | |
| TECX | Lochner Daniel | CFO | buy | 6.00k | $12.9M | P | +27.0% | 02/11 | 02/10 | |
| TECX | Lochner Daniel | CFO | withholding | 2.07k | -$4.82M | F | +30.7% | 02/10 | 02/04 | |
| TECX | Lochner Daniel | CFO | buy | 4.61k | $24.9M | P | — | 02/07/2025 | 02/05/2025 | |
| TECX | Lochner Daniel | CFO | grant | 32.8k | $0 | A | — | 02/06/2025 | 02/04/2025 | |
| TECX | Lochner Daniel | CFO | grant | 18.0k | $0 | A | — | 02/06/2025 | 02/04/2025 |
Lochner Daniel Insider Activity FAQ
SEC Form 4 context
Who is Lochner Daniel?
Lochner Daniel is a reporting owner in SEC Form 4 filings with reporting owner CIK 0001791187.
Which companies has Lochner Daniel reported transactions for?
Tectonic Therapeutic, Inc.
When was Lochner Daniel's latest insider buy?
buy at Tectonic Therapeutic, Inc. on Feb 10, 2026 valued at $129,660.
When was Lochner Daniel's latest insider sale?
No open-market insider sale is available for this period.
Where can I see the original SEC filings?
Each transaction row links directly to the source SEC filing so the reported Form 4 details can be reviewed.
Are performance metrics included?
This version does not calculate win rates, forward returns, benchmark-adjusted returns, or high-conviction scores.