Joseph D. Samberg
CIK 1264542 · View on SEC EDGAR ↗
Activist
First SEC filing: Feb. 27, 2025 · Latest: Feb. 27, 2025
On this page
Insider at
Insider transactions
1 buys (P)
3 sells (S)
Net:
$-6,725,100
Avg return of open purchases vs now:
53.0%
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Nov. 21, 2025 | NN | P | 58,457 | $11.86 | $693,300 | 9,745,600 Indirect | +0.60% | Acquired | 53.0% (price as of 2026-08-19) |
| Nov. 14, 2025 | NN | S | 4,000 | $2.10 | $8,400 | 0 Indirect | -100.00% | Disposed | 764.0% (price as of 2026-08-19) |
| Nov. 13, 2025 | NN | S | 60,000 | $12.35 | $741,000 | 760,000 Indirect | -7.32% | Disposed | 46.9% (price as of 2026-08-19) |
| Nov. 13, 2025 | NN | S | 540,000 | $12.35 | $6,669,000 | 9,660,000 Indirect | -5.29% | Disposed | 46.9% (price as of 2026-08-19) |
| June 24, 2024 | NN | P | 6,600 | $7.83 | $51,678 | 730,000 Indirect | +0.91% | Acquired | 131.7% (price as of 2026-08-19) |
| June 24, 2024 | NN | P | 74,600 | $7.83 | $584,118 | 10,000,200 Indirect | +0.75% | Acquired | 131.7% (price as of 2026-08-19) |
| June 21, 2024 | NN | P | 3,550 | $7.42 | $26,341 | 300,000 Indirect | +1.20% | Acquired | 144.5% (price as of 2026-08-19) |
| June 21, 2024 | NN | P | 5,300 | $7.42 | $39,326 | 723,400 Indirect | +0.74% | Acquired | 144.5% (price as of 2026-08-19) |
| June 21, 2024 | NN | P | 44,150 | $7.42 | $327,593 | 9,925,600 Indirect | +0.45% | Acquired | 144.5% (price as of 2026-08-19) |
| June 20, 2024 | NN | P | 81,450 | $7.30 | $594,585 | 296,450 Indirect | +37.88% | Acquired | 148.6% (price as of 2026-08-19) |
| June 20, 2024 | NN | P | 18,100 | $7.30 | $132,130 | 718,100 Indirect | +2.59% | Acquired | 148.6% (price as of 2026-08-19) |
| June 20, 2024 | NN | P | 81,450 | $7.30 | $594,585 | 9,881,450 Indirect | +0.83% | Acquired | 148.6% (price as of 2026-08-19) |
| March 18, 2024 | NN | P | 183,000 | $4.52 | $827,160 | 700,000 Indirect | +35.40% | Acquired | 301.4% (price as of 2026-08-19) |
| March 18, 2024 | NN | P | 300,000 | $4.52 | $1,356,000 | 9,800,000 Indirect | +3.16% | Acquired | 301.4% (price as of 2026-08-19) |
| Jan. 22, 2024 | NN | P | 150,000 | $3.96 | $594,000 | 9,500,000 Indirect | +1.60% | Acquired | 358.2% (price as of 2026-08-19) |
| Jan. 19, 2024 | NN | P | 150,000 | $3.86 | $579,000 | 9,350,000 Indirect | +1.63% | Acquired | 370.1% (price as of 2026-08-19) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Nov. 14, 2025 | NN | Call Option (Right to Buy) | Common Stock (400,000) | $20.00 | June 18, 2026 | 4,000 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 27 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Nov. 24, 2025 | NN | Common Stock | 9,687,143 | Indirect |
| Nov. 24, 2025 | NN | Common Stock | 1,000,000 | Indirect |
| Nov. 24, 2025 | NN | Common Stock | 760,000 | Indirect |
| Nov. 24, 2025 | NN | Common Stock | 400,000 | Indirect |
| Nov. 24, 2025 | NN | Common Stock | 100,000 | Indirect |
| Nov. 24, 2025 | NN | Common Stock | 125,000 | Indirect |
| Nov. 24, 2025 | NN | Common Stock | 125,000 | Indirect |
| Nov. 24, 2025 | NN | Warrants (Right to Buy)→ Common Stock (1,400,000) | 1,400,000 | Indirect |
| Nov. 24, 2025 | NN | Warrants (Right to Buy)→ Common Stock (100,000) | 100,000 | Indirect |
| Nov. 17, 2025 | NN | Common Stock | 10,200,000 | Indirect |
| Nov. 17, 2025 | NN | Common Stock | 1,000,000 | Indirect |
| Nov. 17, 2025 | NN | Common Stock | 820,000 | Indirect |
| Nov. 17, 2025 | NN | Common Stock | 400,000 | Indirect |
| Nov. 17, 2025 | NN | Common Stock | 100,000 | Indirect |
| Nov. 17, 2025 | NN | Common Stock | 125,000 | Indirect |
| Nov. 17, 2025 | NN | Common Stock | 125,000 | Indirect |
| Nov. 17, 2025 | NN | Warrants (Right to Buy)→ Common Stock (900,000) | 900,000 | Indirect |
| Nov. 17, 2025 | NN | Warrants (Right to Buy)→ Common Stock (100,000) | 100,000 | Indirect |
| Nov. 17, 2025 | NN | Call Option (Right to Buy)→ Common Stock (250,000) | 250,000 | Indirect |
| Nov. 17, 2025 | NN | Call Option (Right to Buy)→ Common Stock (400,000) | 400,000 | Indirect |
| Jan. 22, 2024 | NN | Common Stock | 9,200,000 | Indirect |
| Jan. 22, 2024 | NN | Common Stock | 1,200,000 | Indirect |
| Jan. 22, 2024 | NN | Common Stock | 517,000 | Indirect |
| Jan. 22, 2024 | NN | Common Stock | 215,000 | Indirect |
| Jan. 22, 2024 | NN | Common Stock | 125,000 | Indirect |
| Jan. 22, 2024 | NN | Common Stock | 125,000 | Indirect |
| Jan. 22, 2024 | NN | Common Stock | 100,000 | Indirect |