Gregg R. Honigblum bought $255k of SINT
Chief Investment Officer at Sintx Technologies, Inc.. 65,000 shares at an average of $3.93, traded Dec 5, 2025, filed Dec 8, 2025.
Score components
- +15RoleOfficer
- +13Trade size$255k at market
- +10Relative to holdingsHoldings up 88%
- +4Price context27% below the 52-week high
- 0ClusterNo other insider buying within 14 days
- +5Repeat buying2 buys in 90 days
- 0Track recordToo few past buys to judge (0 with prices)
What happened after comparable buys
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
This signal so far: 1m -6.7%, 3m -34.7%, 6m -50.8%.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001493152-25-026528, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Dec 5, 2025 | POpen-market purchase Common Stock | +5,000 | $3.95 | $20k | 79,000 | Dec 8, 2025 |
| Dec 5, 2025 | POpen-market purchase Common Stock | +5,000 | $3.94 | $20k | 84,000 | Dec 8, 2025 |
| Dec 5, 2025 | POpen-market purchase Common Stock | +5,000 | $4.00 | $20k | 89,000 | Dec 8, 2025 |
| Dec 5, 2025 | POpen-market purchase Common Stock | +5,000 | $4.07 | $20k | 94,000 | Dec 8, 2025 |
| Dec 5, 2025 | POpen-market purchase Common Stock | +5,000 | $4.02 | $20k | 99,000 | Dec 8, 2025 |
| Dec 5, 2025 | POpen-market purchase Common Stock | +5,000 | $3.94 | $20k | 104,000 | Dec 8, 2025 |
| Dec 5, 2025 | POpen-market purchase Common Stock | +5,000 | $3.91 | $20k | 109,000 | Dec 8, 2025 |
| Dec 5, 2025 | POpen-market purchase Common Stock | +5,000 | $3.91 | $20k | 114,000 | Dec 8, 2025 |
| Dec 5, 2025 | POpen-market purchase Common Stock | +5,000 | $3.91 | $20k | 119,000 | Dec 8, 2025 |
| Dec 5, 2025 | POpen-market purchase Common Stock | +5,000 | $3.88 | $19k | 124,000 | Dec 8, 2025 |
| Dec 5, 2025 | POpen-market purchase Common Stock | +5,000 | $3.86 | $19k | 129,000 | Dec 8, 2025 |
| Dec 5, 2025 | POpen-market purchase Common Stock | +5,000 | $3.91 | $20k | 134,000 | Dec 8, 2025 |
| Dec 5, 2025 | POpen-market purchase Common Stock | +5,000 | $3.77 | $19k | 139,000 | Dec 8, 2025 |
| Dec 5, 2025 | AGrant or award Common Stock | +53,867 | $0.00 | $0 | 192,867 | Dec 8, 2025 |
Related signals
Other insiders at Sintx Technologies, Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 46Moderate | Sintx Technologies, Inc. | Christopher Michael Lyons director | $24k 8,292 shares | - | |
| 44Moderate | Sintx Technologies, Inc. | Jay M Moyes director | $2,910 1,000 shares | +33% | |
| 44Moderate | Sintx Technologies, Inc. | Mark Lewis Anderson director | $9,060 3,000 shares | +20% | |
| 30Weak | SINTbuy Sintx Technologies, Inc. | Gregg R. Honigblum Chief Investment Officer | $35k 8,200 shares | +4% | |
| 36Weak | SINTbuy Sintx Technologies, Inc. | Gregg R. Honigblum Chief Investment Officer | $32k 10,000 shares | +16% | |
| 44Moderate | SINTbuy Sintx Technologies, Inc. | Eric K. Olson President and CEO | $20k 5,800 shares | +23% | |
| 60Notable | Sintx Technologies, Inc. | Gregg R. Honigblum Chief Investment Officer | $185k 50,000 shares | +357% | |
| 46Moderate | Sintx Technologies, Inc. | Jay M Moyes director | $11k 3,000 shares | - | |
| 64Notable | Sintx Technologies, Inc. | Eric K. Olson President and CEO | $37k 10,475 shares | +72% | |
| 36Weak | SINTbuy Sintx Technologies, Inc. | Mark Lewis Anderson director | $33k 10,000 shares | +200% |
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.