NYSE · CIK 0002086716
STDN Standard Nuclear, Inc.
Insider trading from SEC Form 4. Last filing Aug 28, 2026. Close $13.38 on Oct 12, 2026, +83% from the 52-week low and -19% from the high.
In brief
Standard Nuclear, Inc. (STDN) has 17 SEC Form 4 filings on file from 13 insiders, the latest filed on Aug 28, 2026. In the last 90 days insiders made 1 open-market buy worth $19M and 0 open-market sells worth $0, net +$19M.
1 open-market trade has been scored at STDN. The newest: Decisive Point Group, LLC (10% owner) bought $19M of stock on Jul 16, 2026, filed Jul 17, 2026, scored 40 (moderate).
Last 90 days
Net insider value
+$19M
more bought than sold
Buys
1
$19M by 1 insider
Sells
0
$0 by 0 insiders
Insiders on file
13
with a Form 4 at this company
Price and insider trades, last year
STDNOct 12, 2026 · close 13.38
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
Open-market buys and sells at Standard Nuclear, Inc., scored.
| Score | Insider | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 40Moderate | Decisive Point Group, LLC owner buy | $19M 1,275,496 shares | - | - |
Transactions
The newest 50 of 66 rows filed, every code.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Aug 12, 2026 | Seth Michael Cohen director | AGrant or award Class A common stock | +13,255 | $0.00 | $0 | 15,255 | Aug 28, 2026 |
| Aug 12, 2026 | Seth Michael Cohen director | AGrant or award Class A common stock | +13,255 | $0.00 | $0 | 13,255 | Aug 14, 2026 |
| Jul 17, 2026 | Fundomo SN-001, LP owner | CConversion Class A Common Stock | +3,849,782 | - | - | 3,849,782 | Jul 30, 2026 |
| Jul 17, 2026 | Fundomo SN-001, LP owner | CConversion Class A Common Stockindirect: By Fundomo SN-002, LP | +2,027,576 | - | - | 2,027,576 | Jul 30, 2026 |
| Jul 17, 2026 | Fundomo SN-001, LP owner | CConversion Class A Common Stockindirect: By ST-1014 Fund I, a series of Fundomo Syndicates, LP | +14,000,000 | - | - | 14,000,000 | Jul 30, 2026 |
| Jul 17, 2026 | Fundomo SN-001, LP owner | CConversion Series A Preferred Stockderivative | -3,849,782 | $0.00 | $0 | 0 | Jul 30, 2026 |
| Jul 17, 2026 | Fundomo SN-001, LP owner | CConversion Series A-2 Preferred Stockderivativeindirect: By Fundomo SN-002, LP | -2,027,576 | $0.00 | $0 | 0 | Jul 30, 2026 |
| Jul 17, 2026 | Fundomo SN-001, LP owner | CConversion Series Seed-1 Preferred Stockderivativeindirect: By ST-1014 Fund I, a series of Fundomo Syndicates, LP | -14,000,000 | $0.00 | $0 | 0 | Jul 30, 2026 |
| Jul 17, 2026 | ST-1014 Fund I, a series of Fundomo Syndicates, LP owner | CConversion Class A Common Stock | +14,000,000 | - | - | 14,000,000 | Jul 23, 2026 |
| Jul 17, 2026 | ST-1014 Fund I, a series of Fundomo Syndicates, LP owner | CConversion Series Seed-1 Preferred Stockderivative | -14,000,000 | $0.00 | $0 | 0 | Jul 23, 2026 |
| Jul 17, 2026 | Welara Capital Partners LLC Series 3 owner | CConversion Class A Common Stock | +20,243,094 | - | - | 20,243,094 | Jul 22, 2026 |
| Jul 17, 2026 | Fundomo SN-001, LP owner | CConversion Series A Preferred Stockderivative | -3,849,782 | $0.00 | $0 | 0 | Jul 22, 2026 |
| Jul 20, 2026 | Kurt Amir Terrani CEO and Director | GGift Class A common stock | -629,374 | $0.00 | $0 | 6,641,876 | Jul 22, 2026 |
| Jul 20, 2026 | Kurt Amir Terrani CEO and Director | GGift Class A common stockindirect: Held by Terrani 2026 Irrevocable Family Trust, dated June 24, 2026 | +629,374 | $0.00 | $0 | 629,374 | Jul 22, 2026 |
| Jul 17, 2026 | Fundomo SN-001, LP owner | CConversion Series A-2 Preferred Stockderivativeindirect: By Fundomo SN-002, LP | -2,027,576 | $0.00 | $0 | 0 | Jul 22, 2026 |
| Jul 17, 2026 | Welara Capital Partners LLC Series 3 owner | CConversion Series Seed-1 Preferred Stockderivative | -15,000,000 | - | - | 0 | Jul 22, 2026 |
| Jul 17, 2026 | Fundomo SN-001, LP owner | CConversion Series Seed-1 Preferred Stockderivativeindirect: By ST-1014 Fund I, a series of Fundomo Syndicates, LP | -14,000,000 | $0.00 | $0 | 0 | Jul 22, 2026 |
| Jul 20, 2026 | Kurt Amir Terrani CEO and Director | GGift Class A common stock | -175,000 | $0.00 | $0 | 6,466,876 | Jul 22, 2026 |
| Jul 17, 2026 | Welara Capital Partners LLC Series 3 owner | CConversion Series A Preferred Stockderivative | -3,515,018 | - | - | 0 | Jul 22, 2026 |
| Jul 17, 2026 | Welara Capital Partners LLC Series 3 owner | CConversion Series A-2 Preferred Stockderivative | -1,728,076 | - | - | 0 | Jul 22, 2026 |
| Jul 20, 2026 | Kurt Amir Terrani CEO and Director | GGift Class A common stockindirect: Held by DSC 2026 Irrevocable Trust, dated June 24, 2026 | +175,000 | $0.00 | $0 | 175,000 | Jul 22, 2026 |
| Jul 20, 2026 | Kurt Amir Terrani CEO and Director | GGift Class A common stock | -60,000 | $0.00 | $0 | 6,406,876 | Jul 22, 2026 |
| Jul 20, 2026 | Kurt Amir Terrani CEO and Director | GGift Class A common stockindirect: Held by MT 2026 Irrevocable Trust, dated July 10, 2026 | +60,000 | $0.00 | $0 | 60,000 | Jul 22, 2026 |
| Jul 20, 2026 | Kurt Amir Terrani CEO and Director | GGift Class A common stock | -245,000 | $0.00 | $0 | 6,161,876 | Jul 22, 2026 |
| Jul 20, 2026 | Kurt Amir Terrani CEO and Director | GGift Class A common stockindirect: Held by EKG 2026 Irrevocable Trust, dated June 25, 2026 | +245,000 | $0.00 | $0 | 245,000 | Jul 22, 2026 |
| Jul 20, 2026 | Kurt Amir Terrani CEO and Director | GGift Class A common stock | -175,000 | $0.00 | $0 | 5,986,876 | Jul 22, 2026 |
| Jul 20, 2026 | Kurt Amir Terrani CEO and Director | GGift Class A common stockindirect: Held by LKT 2026 Irrevocable Trust, dated June 25, 2026 | +175,000 | $0.00 | $0 | 175,000 | Jul 22, 2026 |
| Jul 17, 2026 | Fundomo SN-001, LP owner | CConversion Class A Common Stock | +3,849,782 | - | - | 3,849,782 | Jul 21, 2026 |
| Jul 17, 2026 | Fundomo SN-001, LP owner | CConversion Class A Common Stockindirect: By Fundomo SN-002, LP | +2,027,576 | - | - | 2,027,576 | Jul 21, 2026 |
| Jul 17, 2026 | Fundomo SN-001, LP owner | CConversion Class A Common Stockindirect: By ST-1014 Fund I, a series of Fundomo Syndicates, LP | +14,000,000 | - | - | 14,000,000 | Jul 21, 2026 |
| Jul 17, 2026 | Fundomo SN-001, LP owner | CConversion Series A Preferred Stockderivative | +3,849,782 | $0.00 | $0 | 0 | Jul 21, 2026 |
| Jul 17, 2026 | Fundomo SN-001, LP owner | CConversion Series A-2 Preferred Stockderivativeindirect: By Fundomo SN-002, LP | +2,027,576 | $0.00 | $0 | 0 | Jul 21, 2026 |
| Jul 17, 2026 | Fundomo SN-001, LP owner | CConversion Series Seed-1 Preferred Stockderivativeindirect: By ST-1014 Fund I, a series of Fundomo Syndicates, LP | +14,000,000 | $0.00 | $0 | 0 | Jul 21, 2026 |
| Jul 15, 2026 | Shahram Ghasemian Chief Legal Officer | AGrant or award Class A common stock | +40,000 | $0.00 | $0 | 40,000 | Jul 17, 2026 |
| Jul 15, 2026 | Kevin J Harrill Chief Financial Officer | AGrant or award Class A common stock | +100,000 | $0.00 | $0 | 1,041,222 | Jul 17, 2026 |
| Jul 17, 2026 | Thomas Edward Hendrix Chairman of the Board | AGrant or award Class A common stock | +2,734,687 | $0.00 | $0 | 2,734,687 | Jul 17, 2026 |
| Jul 15, 2026 | Donald A Moul director | AGrant or award Class A common stock | +10,964 | $0.00 | $0 | 10,964 | Jul 17, 2026 |
| Jul 17, 2026 | Alexander C Matina director | AGrant or award Class A common stock | +16,667 | $0.00 | $0 | 16,667 | Jul 17, 2026 |
| Jul 15, 2026 | Kurt Amir Terrani CEO and Director | AGrant or award Class A common stock | +200,000 | $0.00 | $0 | 3,625,000 | Jul 17, 2026 |
| Jul 15, 2026 | Austin Scott Miller director | AGrant or award Class A common stock | +11,436 | $0.00 | $0 | 11,436 | Jul 17, 2026 |
| Jul 15, 2026 | Keeley Rose Marrocco Chief Operating Officer | AGrant or award Class A common stock | +200,000 | $0.00 | $0 | 3,200,000 | Jul 17, 2026 |
| Jul 15, 2026 | Shahram Ghasemian Chief Legal Officer | AGrant or award Class A common stock | +360,000 | $0.00 | $0 | 400,000 | Jul 17, 2026 |
| Jul 17, 2026 | Kevin J Harrill Chief Financial Officer | AGrant or award Class A common stock | +546,937 | $0.00 | $0 | 1,588,159 | Jul 17, 2026 |
| Jul 16, 2026 | Decisive Point Group, LLC owner | POpen-market purchase Class A Common Stockindirect: Held by Decisive Point - Standard Nuclear V, LLC | +1,275,496 | $15.00 | $19M | 1,275,496 | Jul 17, 2026 |
| Jul 17, 2026 | Keeley Rose Marrocco Chief Operating Officer | AGrant or award Class A common stock | +364,625 | $0.00 | $0 | 3,564,625 | Jul 17, 2026 |
| Jul 17, 2026 | Kurt Amir Terrani CEO and Director | AGrant or award Class A common stock | +3,646,250 | $0.00 | $0 | 7,271,250 | Jul 17, 2026 |
| Jul 17, 2026 | Thomas Edward Hendrix Chairman of the Board | CConversion Class A common stockindirect: Held by Standard Nuclear Trust | +50,000 | $0.00 | $0 | 5,804,000 | Jul 17, 2026 |
| Jul 15, 2026 | Shahram Ghasemian Chief Legal Officer | AGrant or award Class A common stock | +100,000 | $0.00 | $0 | 500,000 | Jul 17, 2026 |
| Jul 17, 2026 | Decisive Point Group, LLC owner | CConversion Class A Common Stockindirect: Held by Decisive Point - Standard Nuclear I | +5,800,000 | - | - | 5,800,000 | Jul 17, 2026 |
| Jul 17, 2026 | Thomas Edward Hendrix Chairman of the Board | CConversion Class A common stockindirect: Held by Standard Nuclear Trust | +20,308 | $0.00 | $0 | 5,824,308 | Jul 17, 2026 |
50 of 66 rows shown.
Insiders
Everyone who has filed a Form 4 here.
- Seth Michael Cohendirector
- Decisive Point Group, LLCowner
- Fundomo SN-001, LPowner
- Shahram GhasemianChief Legal Officer
- Kevin J HarrillChief Financial Officer
- Thomas Edward HendrixChairman of the Board
- Keeley Rose MarroccoChief Operating Officer
- Alexander C Matinadirector, ceo, officer
- Austin Scott Millerdirector
- Donald A Mouldirector
- ST-1014 Fund I, a series of Fundomo Syndicates, LPowner
- Kurt Amir TerraniCEO and Director
- Welara Capital Partners LLC Series 3owner
Questions about STDN
Answered from the filings on this page, as of the latest one.
Are insiders buying STDN?
As of Aug 28, 2026, SEC Form 4 filings show 1 open-market buy worth $19M by 1 insider and 0 open-market sells worth $0 by 0 insiders at Standard Nuclear, Inc. in the last 90 days, net +$19M. Only purchases (code P) and sales (code S) count; grants, option exercises and tax withholding do not.
Who was the last insider to trade STDN on the open market?
Decisive Point Group, LLC (10% owner) bought $19M of STDN on Jul 16, 2026 and filed the Form 4 on Jul 17, 2026. InsiderTell scored 40 (moderate).
How many insiders file Form 4 at Standard Nuclear, Inc.?
13 people have filed a Form 4 at Standard Nuclear, Inc., among them Seth Michael Cohen (director), Decisive Point Group, LLC (10% owner), Fundomo SN-001, LP (10% owner). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.
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.