Insider · CIK 0001979974
Austin Aerts
Files at SERA (SERA PROGNOSTICS, INC.). First filing Nov 12, 2024, latest Jun 15, 2026.
Austin Aerts files SEC Form 4 as CFO at SERA (SERA PROGNOSTICS, INC.). Since Nov 12, 2024, Austin Aerts has reported 0 open-market buys worth $0 and 18 open-market sells worth $289k, the latest filed on Jun 15, 2026.
A track record needs three past buys with six months of prices behind them; Austin Aerts has 0, so none is measured yet.
The newest scored trade: sold $4,094 of SERA on Jun 11, 2026, filed Jun 15, 2026, scored 30 (weak). In the last 12 months: 0 buys worth $0 and 7 sells worth $66k.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
SERA: SERA PROGNOSTICS, 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 |
|---|---|---|---|---|---|
| 30Weak | SERA PROGNOSTICS, INC. | $4,094 2,037 shares | -1% | +29% from low-53% from high | |
| 30Weak | SERA PROGNOSTICS, INC. | $11k 5,440 shares | -2% | +43% from low-48% from high | |
| 37Weak | SERA PROGNOSTICS, INC. | $14k 7,088 shares | -3% | +23% from low-57% from high | |
| 37Weak | SERA PROGNOSTICS, INC. | $1,321 674 shares | -0% | +30% from low-55% from high | |
| 37Weak | SERA PROGNOSTICS, INC. | $2,890 873 shares | -0% | +128% from low-61% from high | |
| 37Weak | SERA PROGNOSTICS, INC. | $16k 5,232 shares | -2% | +106% from low-65% from high | |
| 37Weak | SERA PROGNOSTICS, INC. | $17k 6,351 shares | -2% | +71% from low-71% from high | |
| 37Weak | SERA PROGNOSTICS, INC. | $2,864 915 shares | -0% | +106% from low-65% from high | |
| 37Weak | SERA PROGNOSTICS, INC. | $17k 5,263 shares | -2% | +108% from low-65% from high | |
| 37Weak | SERA PROGNOSTICS, INC. | $15k 5,800 shares | -2% | +66% from low-72% from high | |
| 37Weak | SERA PROGNOSTICS, INC. | $9,600 6,680 shares | -2% | 0% from low-83% from high | |
| 37Weak | SERA PROGNOSTICS, INC. | $16k 6,374 shares | -2% | 0% from low-76% from high | |
| 37Weak | SERA PROGNOSTICS, INC. | $20k 4,818 shares | -2% | +10% from low-51% from high | |
| 37Weak | SERA PROGNOSTICS, INC. | $2,246 540 shares | -0% | +6% from low-53% from high | |
| 42Moderate | SERA PROGNOSTICS, INC. | $27k 5,915 shares | -2% | +6% from low-51% from high | |
| 17Weak | SERA PROGNOSTICS, INC. | $20k 2,431 shares | -1% | +15% from low-21% from high | |
| 43Moderate | SERA PROGNOSTICS, INC. | $42k 5,730 shares | -2% | - | |
| 44Moderate | SERA PROGNOSTICS, INC. | $53k 7,179 shares | -2% | - |
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 |
|---|---|---|---|---|---|
| Dec 11, 2025 | SERA Sera Prognostics, Inc. | 873 0.00% of outstanding | $2,887 | Dec 10, 2025 | $35k |
| Dec 10, 2025 | SERA Sera Prognostics, Inc. | 5,232 0.01% of outstanding | $16k | Dec 9, 2025 | $36k |
| Nov 12, 2025 | SERA Sera Prognostics, Inc. | 6,351 0.02% of outstanding | $17k | Nov 10, 2025 | $19k |
| Sep 12, 2025 | SERA Sera Prognostics, Inc. | 915 0.00% of outstanding | $2,863 | Sep 11, 2025 | $31k |
| Sep 9, 2025 | SERA Sera Prognostics, Inc. | 5,263 0.01% of outstanding | $17k | Sep 9, 2025 | $24k |
| Aug 11, 2025 | SERA Sera Prognostics, Inc. | 5,800 0.02% of outstanding | $15k | Aug 8, 2025 | $25k |
| Jun 11, 2025 | SERA Sera Prognostics, Inc. | 5,735 0.02% of outstanding | $8,224 | Jun 9, 2025 | $16k |
| Jun 11, 2025 | SERA Sera Prognostics, Inc. | 945 0.00% of outstanding | $1,403 | Jun 10, 2025 | $24k |
| May 9, 2025 | SERA Sera Prognostics, Inc. | 6,374 0.02% of outstanding | $16k | May 8, 2025 | $49k |
| Mar 10, 2025 | SERA Sera Prognostics, Inc. | 4,818 0.01% of outstanding | $20k | Mar 7, 2025 | $91k |
| Mar 7, 2025 | SERA Sera Prognostics, Inc. | 540 0.00% of outstanding | $2,249 | Mar 6, 2025 | $89k |
| Feb 14, 2025 | SERA Sera Prognostics, Inc. | 5,915 0.02% of outstanding | $27k | Feb 12, 2025 | $115k |
| Jan 10, 2025 | SERA SERA PROGNOSTICS INC | 20,000 0.06% of outstanding | $166k | Jan 10, 2025 | $95k |
| Dec 12, 2024 | SERA Sera Prognostics, Inc. | 5,730 0.02% of outstanding | $42k | Dec 10, 2024 | $91k |
| Nov 13, 2024 | SERA Sera Prognostics, Inc. | 7,179 0.02% of outstanding | $53k | Nov 11, 2024 | $38k |
Transactions
Every row this insider has filed, 24 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Jun 11, 2026 | SERA SERA PROGNOSTICS, INC. | SOpen-market sale Class A Common Stock | -2,037 | $2.01 | $4,094 | 301,190 | Jun 15, 2026 |
| Jun 9, 2026 | SERA SERA PROGNOSTICS, INC. | SOpen-market sale Class A Common Stock | -5,440 | $2.08 | $11k | 303,227 | Jun 10, 2026 |
| Mar 12, 2026 | SERA SERA PROGNOSTICS, INC. | AGrant or award Class A Common Stock | +44,215 | $0.00 | $0 | 308,667 | Mar 13, 2026 |
| Mar 12, 2026 | SERA SERA PROGNOSTICS, INC. | AGrant or award Stock Option (right to buy)derivative | +68,550 | $0.00 | $0 | 68,550 | Mar 13, 2026 |
| Mar 10, 2026 | SERA SERA PROGNOSTICS, INC. | SOpen-market sale Class A Common Stock | -6,069 | $1.90 | $12k | 265,471 | Mar 12, 2026 |
| Mar 11, 2026 | SERA SERA PROGNOSTICS, INC. | SOpen-market sale Class A Common Stock | -1,019 | $2.04 | $2,079 | 264,452 | Mar 12, 2026 |
| Mar 9, 2026 | SERA SERA PROGNOSTICS, INC. | SOpen-market sale Class A Common Stock | -674 | $1.96 | $1,321 | 271,540 | Mar 10, 2026 |
| Dec 10, 2025 | SERA SERA PROGNOSTICS, INC. | SOpen-market sale Class A Common Stock | -873 | $3.31 | $2,890 | 272,214 | Dec 11, 2025 |
| Dec 9, 2025 | SERA SERA PROGNOSTICS, INC. | SOpen-market sale Class A Common Stock | -5,232 | $3.04 | $16k | 273,087 | Dec 10, 2025 |
| Nov 10, 2025 | SERA SERA PROGNOSTICS, INC. | SOpen-market sale Class A Common Stock | -6,351 | $2.62 | $17k | 278,319 | Nov 12, 2025 |
| Sep 11, 2025 | SERA SERA PROGNOSTICS, INC. | SOpen-market sale Class A Common Stock | -915 | $3.13 | $2,864 | 284,670 | Sep 12, 2025 |
| Sep 9, 2025 | SERA SERA PROGNOSTICS, INC. | SOpen-market sale Class A Common Stock | -5,263 | $3.15 | $17k | 285,585 | Sep 9, 2025 |
| Aug 8, 2025 | SERA SERA PROGNOSTICS, INC. | SOpen-market sale Class A Common Stock | -5,800 | $2.54 | $15k | 290,848 | Aug 11, 2025 |
| Jun 9, 2025 | SERA SERA PROGNOSTICS, INC. | SOpen-market sale Class A Common Stock | -5,735 | $1.43 | $8,201 | 297,593 | Jun 11, 2025 |
| Jun 10, 2025 | SERA SERA PROGNOSTICS, INC. | SOpen-market sale Class A Common Stock | -945 | $1.48 | $1,399 | 296,648 | Jun 11, 2025 |
| May 8, 2025 | SERA SERA PROGNOSTICS, INC. | SOpen-market sale Class A Common Stock | -6,374 | $2.44 | $16k | 303,328 | May 9, 2025 |
| Mar 7, 2025 | SERA SERA PROGNOSTICS, INC. | SOpen-market sale Class A Common Stock | -4,818 | $4.12 | $20k | 309,702 | Mar 10, 2025 |
| Mar 5, 2025 | SERA SERA PROGNOSTICS, INC. | AGrant or award Class A Common Stock | +37,650 | $0.00 | $0 | 315,060 | Mar 7, 2025 |
| Mar 6, 2025 | SERA SERA PROGNOSTICS, INC. | SOpen-market sale Class A Common Stock | -540 | $4.16 | $2,246 | 314,520 | Mar 7, 2025 |
| Mar 5, 2025 | SERA SERA PROGNOSTICS, INC. | AGrant or award Stock Option (right to buy)derivative | +53,810 | $0.00 | $0 | 53,810 | Mar 7, 2025 |
| Feb 12, 2025 | SERA SERA PROGNOSTICS, INC. | SOpen-market sale Class A Common Stock | -5,915 | $4.58 | $27k | 277,410 | Feb 14, 2025 |
| Jan 10, 2025 | SERA SERA PROGNOSTICS, INC. | SOpen-market sale Class A Common Stock10b5-1 | -2,431 | $8.06 | $20k | 283,325 | Jan 14, 2025 |
| Dec 10, 2024 | SERA SERA PROGNOSTICS, INC. | SOpen-market sale Class A Common Stock | -5,730 | $7.41 | $42k | 285,756 | Dec 12, 2024 |
| Nov 11, 2024 | SERA SERA PROGNOSTICS, INC. | SOpen-market sale Class A Common Stock | -7,179 | $7.32 | $53k | 291,486 | Nov 12, 2024 |
Questions about Austin Aerts
Answered from the filings on this page, as of the latest one.
Is Austin Aerts buying or selling?
In the last 12 months Austin Aerts reported 0 open-market buys worth $0 and 7 open-market sells worth $66k on SEC Form 4; the latest was sold $4,094 of SERA on Jun 11, 2026. Grants, option exercises and tax withholding are not counted.
How did Austin Aerts's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Austin Aerts has 0.
Where does Austin Aerts file Form 4?
Austin Aerts has filed Form 4 at SERA (SERA PROGNOSTICS, INC.) as Chief Financial Officer. 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.