Insider · CIK 0001234045
Eric B Stang
ceoofficerdirectorpresident
Files at RMBS (RAMBUS INC), OOMA (OOMA INC). First filing Dec 10, 2024, latest Sep 16, 2026.
Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 9
$0 bought, $5.4M sold
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.
OOMA: OOMA INC
OOMAOct 9, 2026 · close 20.04
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™
RMBS: RAMBUS INC
RMBSOct 9, 2026 · close 107.47
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 |
|---|---|---|---|---|---|
| 63Notable | OOMA INC | $845k 36,322 shares | -3% | - | |
| 64Notable | OOMA INC | $920k 40,000 shares | -3% | - | |
| 35Weak | OOMAsell OOMA INC | $104k 7,417 shares | -1% | +34% from low-2% from high | |
| 48Moderate | OOMA INC | $369k 25,888 shares | -3% | +36% from low-1% from high | |
| 49Moderate | RMBSsell RAMBUS INC | $959k 9,000 shares | -31% | +151% from low-5% from high | |
| 46Moderate | OOMA INC | $248k 19,265 shares | -3% | +18% from low-19% from high | |
| 51Moderate | OOMA INC | $139k 10,727 shares | -1% | +17% from low-19% from high | |
| 47Moderate | RAMBUS INC | $187k 3,653 shares | -11% | +33% from low-26% from high | |
| 65Notable | OOMA INC | $1.7M 110,231 shares | -8% | +35% from low-7% from high |
Transactions
Every row this insider has filed, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 21, 2026 | OOMA OOMA INC | MOption exercise Common Stock | +50,000 | $10.20 | $510k | 809,374 | 19 d ago |
| Sep 21, 2026 | OOMA OOMA INC | MOption exercise Common Stockderivative | -50,000 | $0.00 | $0 | 0 | 19 d ago |
| Sep 14, 2026 | OOMA OOMA INC | SOpen-market sale Common Stockindirect: By the Eric Stang & Pamela Stang TR UA 09/02/2004 Stang Family Trust | -36,322 | $23.26 | $845k | 1,153,258 | 26 d ago |
| Sep 15, 2026 | OOMA OOMA INC | FTax withholding Common Stock | -8,191 | $22.66 | $186k | 759,374 | 26 d ago |
| Sep 10, 2026 | OOMA OOMA INC | FTax withholding Common Stock | -9,431 | $22.67 | $214k | 767,565 | 28 d ago |
| Sep 10, 2026 | OOMA OOMA INC | SOpen-market sale Common Stockindirect: By the Eric Stang & Pamela Stang TR UA 09/02/2004 Stang Family Trust | -29,639 | $23.08 | $684k | 1,199,941 | 28 d ago |
| Sep 11, 2026 | OOMA OOMA INC | SOpen-market sale Common Stockindirect: By the Eric Stang & Pamela Stang TR UA 09/02/2004 Stang Family Trust | -10,361 | $22.75 | $236k | 1,189,580 | 28 d ago |
| Sep 8, 2026 | OOMA OOMA INC | FTax withholding Common Stock | -8,397 | $22.86 | $192k | 776,996 | 32 d ago |
| Sep 1, 2026 | OOMA OOMA INC | FTax withholding Common Stock | -10,113 | $21.88 | $221k | 785,393 | 39 d ago |
| Mar 24, 2026 | OOMA OOMA INC | SOpen-market sale Common Stockindirect: By the Eric Stang & Pamela Stang TR UA 09/02/2004 Stang Family Trust | -7,417 | $14.00 | $104k | 1,229,580 | Mar 26, 2026 |
| Mar 15, 2026 | OOMA OOMA INC | FTax withholding Common Stock | -8,236 | $13.68 | $113k | 882,436 | Mar 17, 2026 |
| Mar 10, 2026 | OOMA OOMA INC | FTax withholding Common Stock | -9,287 | $14.24 | $132k | 890,672 | Mar 12, 2026 |
| Mar 6, 2026 | OOMA OOMA INC | SOpen-market sale Common Stock | -25,888 | $14.26 | $369k | 908,150 | Mar 10, 2026 |
| Mar 8, 2026 | OOMA OOMA INC | FTax withholding Common Stock | -8,191 | $14.40 | $118k | 899,959 | Mar 10, 2026 |
| Mar 1, 2026 | OOMA OOMA INC | FTax withholding Common Stock | -6,230 | $12.36 | $77k | 634,038 | Mar 3, 2026 |
| Mar 1, 2026 | OOMA OOMA INC | AGrant or award Common Stock | +300,000 | $0.00 | $0 | 934,038 | Mar 3, 2026 |
| Dec 15, 2025 | OOMA OOMA INC | FTax withholding Common Stock | -8,118 | $11.50 | $93k | 640,268 | Dec 17, 2025 |
| Dec 10, 2025 | OOMA OOMA INC | FTax withholding Common Stock | -9,147 | $11.39 | $104k | 648,386 | Dec 12, 2025 |
| Dec 8, 2025 | OOMA OOMA INC | FTax withholding Common Stock | -8,157 | $12.45 | $102k | 657,533 | Dec 10, 2025 |
| Dec 1, 2025 | OOMA OOMA INC | FTax withholding Common Stock | -5,680 | $10.98 | $62k | 665,690 | Dec 3, 2025 |
| Nov 7, 2025 | RMBS RAMBUS INC | SOpen-market sale Common Stockindirect: See Footnote | -5,000 | $102.35 | $512k | 24,394 | Nov 12, 2025 |
| Nov 10, 2025 | RMBS RAMBUS INC | SOpen-market sale Common Stockindirect: See Footnote | -4,000 | $111.79 | $447k | 20,394 | Nov 12, 2025 |
| Sep 10, 2025 | OOMA OOMA INC | FTax withholding Common Stock | -9,193 | $12.51 | $115k | 679,536 | Sep 17, 2025 |
| Sep 15, 2025 | OOMA OOMA INC | FTax withholding Common Stock | -8,166 | $12.73 | $104k | 671,370 | Sep 17, 2025 |
| Sep 4, 2025 | OOMA OOMA INC | SOpen-market sale Common Stock | -19,265 | $12.85 | $248k | 688,729 | Sep 5, 2025 |
| Sep 1, 2025 | OOMA OOMA INC | FTax withholding Common Stock | -5,759 | $12.92 | $74k | 707,994 | Sep 3, 2025 |
| Jun 15, 2025 | OOMA OOMA INC | FTax withholding Common Stock | -8,146 | $12.21 | $99k | 713,753 | Jun 17, 2025 |
| Jun 10, 2025 | OOMA OOMA INC | FTax withholding Common Stock | -9,207 | $12.93 | $119k | 721,899 | Jun 12, 2025 |
| Jun 8, 2025 | OOMA OOMA INC | FTax withholding Common Stock | -8,185 | $13.24 | $108k | 731,106 | Jun 10, 2025 |
| Jun 10, 2025 | OOMA OOMA INC | SOpen-market sale Common Stockindirect: By the Eric Stang & Pamela Stang TR UA 09/02/2004 Stang Family Trust | -10,727 | $12.98 | $139k | 1,236,997 | Jun 10, 2025 |
| Jun 1, 2025 | OOMA OOMA INC | FTax withholding Common Stock | -5,782 | $13.65 | $79k | 739,291 | Jun 3, 2025 |
| May 9, 2025 | RMBS RAMBUS INC | SOpen-market sale Common Stockindirect: See Footnote | -3,653 | $51.13 | $187k | 29,394 | May 12, 2025 |
| Apr 1, 2025 | RMBS RAMBUS INC | AGrant or award Common Stock | +3,824 | $0.00 | $0 | 3,824 | Apr 3, 2025 |
| Dec 20, 2024 | OOMA OOMA INC | MOption exercise Common Stock | +41,029 | $6.04 | $248k | 426,250 | Dec 23, 2024 |
| Dec 20, 2024 | OOMA OOMA INC | MOption exercise Employee Stock Option (right to buy)derivative | -41,029 | $0.00 | $0 | 0 | Dec 23, 2024 |
| Dec 15, 2024 | OOMA OOMA INC | FTax withholding Common Stock | -8,221 | $14.63 | $120k | 426,250 | Dec 17, 2024 |
| Dec 6, 2024 | OOMA OOMA INC | SOpen-market sale Common Stockindirect: By the Eric Stang & Pamela Stang TR UA 09/02/2004 Stang Family Trust | -61,580 | $15.10 | $930k | 1,245,665 | Dec 10, 2024 |
| Dec 8, 2024 | OOMA OOMA INC | FTax withholding Common Stock | -8,229 | $14.91 | $123k | 441,875 | Dec 10, 2024 |
| Dec 9, 2024 | OOMA OOMA INC | SOpen-market sale Common Stockindirect: By the Eric Stang & Pamela Stang TR UA 09/02/2004 Stang Family Trust( | -39,458 | $15.24 | $601k | 1,275,183 | Dec 10, 2024 |
| Dec 10, 2024 | OOMA OOMA INC | SOpen-market sale Common Stockindirect: By the Eric Stang & Pamela Stang TR UA 09/02/2004 Stang Family Trust( | -9,193 | $15.00 | $138k | 1,265,990 | Dec 10, 2024 |
| Dec 1, 2024 | OOMA OOMA INC | FTax withholding Common Stock | -11,630 | $14.80 | $172k | 457,500 | Dec 3, 2024 |
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.