Insider · CIK 0001707297
Ian Seth Jacobs
Files at Lomond Therapeutics Holdings, Inc., DBHL (Deep Isolation Nuclear, Inc.), FISN (DEEP FISSION, INC.), Orielle Acquisition Corp., MTTN (Matternet, Inc.). First filing Jul 18, 2025, latest Aug 28, 2025.
In brief
Ian Seth Jacobs files SEC Form 4 as CEO, CFO, president and director at DBHL (Deep Isolation Nuclear, Inc.), and also at FISN (DEEP FISSION, INC.), Orielle Acquisition Corp., Lomond Therapeutics Holdings, Inc., MTTN (Matternet, Inc.). Since Jul 18, 2025, Ian Seth Jacobs has reported 3 open-market buys worth $10 and 0 open-market sells worth $0, the latest filed on Aug 28, 2025.
A track record needs three past buys with six months of prices behind them; Ian Seth Jacobs has 0, so none is measured yet.
The newest scored trade: bought $3 of FISN on Aug 26, 2025, filed Aug 28, 2025, scored 28 (weak).
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.
FISN: DEEP FISSION, 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™
DBHL: Deep Isolation Nuclear, 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 |
|---|---|---|---|---|---|
| 28Weak | FISNbuy DEEP FISSION, INC. | $3 25,000 shares | +10% | - | |
| 28Weak | -buy Orielle Acquisition Corp. | $5 50,000 shares | +18% | - | |
| 28Weak | DBHLbuy Deep Isolation Nuclear, Inc. | $3 25,000 shares | +10% | - |
Transactions
Every row this insider has filed, 5 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| May 22, 2026 | MTTN Matternet, Inc. | JOther Common Stock | -2,175,000 | $0.00 | $0 | 325,000 | May 27, 2026 |
| Aug 26, 2025 | FISN DEEP FISSION, INC. | POpen-market purchase Common Stock | +25,000 | $0.00 | $3 | 275,000 | Aug 28, 2025 |
| Aug 26, 2025 | - Orielle Acquisition Corp. | POpen-market purchase Common Stock | +50,000 | $0.00 | $5 | 325,000 | Aug 28, 2025 |
| Jul 16, 2025 | DBHL Deep Isolation Nuclear, Inc. | POpen-market purchase Common Stock | +25,000 | $0.00 | $3 | 275,000 | Jul 18, 2025 |
| Nov 1, 2024 | - Lomond Therapeutics Holdings, Inc. | JOther Common Stock | -75,000 | $0.00 | $0 | 175,000 | Nov 5, 2024 |
Questions about Ian Seth Jacobs
Answered from the filings on this page, as of the latest one.
Is Ian Seth Jacobs buying or selling?
Not in the last 12 months. Ian Seth Jacobs's latest open-market trade on SEC Form 4 was bought $3 of FISN on Aug 26, 2025.
How did Ian Seth Jacobs's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Ian Seth Jacobs has 0.
Where does Ian Seth Jacobs file Form 4?
Ian Seth Jacobs has filed Form 4 at DBHL (Deep Isolation Nuclear, Inc.) as President, CEO, CFO, Secretary; FISN (DEEP FISSION, INC.) as President, CEO, CFO, Secretary; Orielle Acquisition Corp. as President, CEO, CFO, Secretary; Lomond Therapeutics Holdings, Inc.; MTTN (Matternet, 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.