Christopher B Clark
Insider
First SEC filing: Jan. 25, 2016 · Latest: Jan. 25, 2016
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
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 |
|---|---|---|---|---|---|---|---|---|---|
| April 13, 2026 | OTTR | A | 1,900 | · | · | 1,900 Direct | · | Acquired | (price as of 2026-10-02) |
| May 4, 2021 | XELLL | S | 6,000 | $71.46 | $428,760 | 18,975 Direct | -24.02% | Disposed | -70.6% (price as of 2026-10-02) |
| March 1, 2021 | XELLL | F | 643 | $58.59 | $37,673 | 24,971 Direct | -2.51% | Disposed | -64.2% (price as of 2026-10-02) |
| Feb. 16, 2021 | XELLL | A | 8,755 | · | · | 29,113 Direct | +43.01% | Acquired | (price as of 2026-10-02) |
| Feb. 16, 2021 | XELLL | M | 1,593 | · | · | 30,706 Direct | +5.47% | Acquired | (price as of 2026-10-02) |
| Feb. 16, 2021 | XELLL | F | 5,092 | $61.54 | $313,362 | 25,614 Direct | -16.58% | Disposed | -65.9% (price as of 2026-10-02) |
| Feb. 16, 2021 | XELLL | M | 1,593 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Jan. 4, 2021 | XELLL | A | 1,112 | · | · | 1,112 Direct | · | Acquired | (price as of 2026-10-02) |
| March 2, 2020 | XELLL | F | 1,051 | $62.32 | $65,498 | 20,307 Direct | -4.92% | Disposed | -66.3% (price as of 2026-10-02) |
| Feb. 18, 2020 | XELLL | A | 7,561 | · | · | 24,175 Direct | +45.51% | Acquired | (price as of 2026-10-02) |
| Feb. 18, 2020 | XELLL | M | 1,778 | · | · | 25,953 Direct | +7.35% | Acquired | (price as of 2026-10-02) |
| Feb. 18, 2020 | XELLL | F | 4,595 | $70.26 | $322,845 | 21,358 Direct | -17.71% | Disposed | -70.1% (price as of 2026-10-02) |
| Feb. 18, 2020 | XELLL | M | 1,778 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Jan. 2, 2020 | XELLL | A | 1,123 | · | · | 1,123 Direct | · | Acquired | (price as of 2026-10-02) |
| Sept. 10, 2019 | XELLL | S | 2,500 | $62.38 | $155,950 | 16,560 Direct | -13.12% | Disposed | -66.4% (price as of 2026-10-02) |
| Aug. 30, 2019 | XELLL | S | 2,000 | $64.25 | $128,500 | 19,060 Direct | -9.50% | Disposed | -67.3% (price as of 2026-10-02) |
| March 1, 2019 | XELLL | F | 820 | $54.86 | $44,985 | 21,002 Direct | -3.76% | Disposed | -61.7% (price as of 2026-10-02) |
| Feb. 26, 2019 | XELLL | A | 23 | · | · | 12,177 Direct | +0.19% | Acquired | (price as of 2026-10-02) |
| Feb. 19, 2019 | XELLL | A | 9,907 | · | · | 24,218 Direct | +69.23% | Acquired | (price as of 2026-10-02) |
| Feb. 19, 2019 | XELLL | M | 1,634 | · | · | 25,852 Direct | +6.75% | Acquired | (price as of 2026-10-02) |
| Feb. 19, 2019 | XELLL | F | 4,030 | $53.46 | $215,444 | 21,822 Direct | -15.59% | Disposed | -60.7% (price as of 2026-10-02) |
| Feb. 19, 2019 | XELLL | M | 1,634 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Jan. 2, 2019 | XELLL | A | 1,452 | · | · | 1,452 Direct | · | Acquired | (price as of 2026-10-02) |
| March 1, 2018 | XELLL | F | 269 | $43.28 | $11,642 | 14,166 Direct | +1.94% | Acquired | -51.5% (price as of 2026-10-02) |
| Feb. 23, 2018 | XELLL | A | 3,579 | $44.77 | $160,232 | 11,764 Direct | +43.73% | Acquired | -53.1% (price as of 2026-10-02) |
| Feb. 20, 2018 | XELLL | M | 1,470 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 20, 2018 | XELLL | A | 7,885 | $44.68 | $352,302 | 8,199 Direct | +2511.15% | Acquired | -53.0% (price as of 2026-10-02) |
| Feb. 20, 2018 | XELLL | F | 639 | $44.68 | $28,551 | 14,435 Direct | -4.24% | Disposed | -53.0% (price as of 2026-10-02) |
| Feb. 20, 2018 | XELLL | M | 1,470 | · | · | 15,073 Direct | +10.81% | Acquired | (price as of 2026-10-02) |
| Feb. 20, 2018 | XELLL | A | 2,780 | · | · | 13,604 Direct | +25.68% | Acquired | (price as of 2026-10-02) |
| Jan. 2, 2018 | XELLL | A | 1,465 | · | · | 1,465 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 29, 2017 | XELLL | A | 9 | $48.11 | $433 | 312 Direct | +2.97% | Acquired | -56.4% (price as of 2026-10-02) |
| Dec. 15, 2017 | XELLL | A | 8 | $50.78 | $406 | 303 Direct | +2.71% | Acquired | -58.7% (price as of 2026-10-02) |
| Nov. 30, 2017 | XELLL | A | 8 | $51.61 | $413 | 295 Direct | +2.79% | Acquired | -59.3% (price as of 2026-10-02) |
| Nov. 15, 2017 | XELLL | A | 8 | $51.18 | $409 | 286 Direct | +2.88% | Acquired | -59.0% (price as of 2026-10-02) |
| Nov. 1, 2017 | XELLL | A | 9 | $49.23 | $443 | 278 Direct | +3.35% | Acquired | -57.4% (price as of 2026-10-02) |
| Oct. 13, 2017 | XELLL | A | 9 | $48.61 | $437 | 268 Direct | +3.47% | Acquired | -56.8% (price as of 2026-10-02) |
| Sept. 29, 2017 | XELLL | A | 9 | $47.32 | $426 | 259 Direct | +3.60% | Acquired | -55.6% (price as of 2026-10-02) |
| Sept. 15, 2017 | XELLL | A | 9 | $49.08 | $442 | 250 Direct | +3.73% | Acquired | -57.2% (price as of 2026-10-02) |
| Aug. 31, 2017 | XELLL | A | 9 | $49.50 | $446 | 241 Direct | +3.88% | Acquired | -57.6% (price as of 2026-10-02) |
| Aug. 16, 2017 | XELLL | A | 9 | $48.94 | $440 | 233 Direct | +4.02% | Acquired | -57.1% (price as of 2026-10-02) |
| July 31, 2017 | XELLL | A | 9 | $47.31 | $426 | 224 Direct | +4.19% | Acquired | -55.6% (price as of 2026-10-02) |
| July 17, 2017 | XELLL | A | 9 | $46.12 | $415 | 214 Direct | +4.39% | Acquired | -54.5% (price as of 2026-10-02) |
| June 30, 2017 | XELLL | A | 9 | $45.88 | $413 | 205 Direct | +4.59% | Acquired | -54.3% (price as of 2026-10-02) |
| June 15, 2017 | XELLL | A | 9 | $47.59 | $428 | 195 Direct | +4.84% | Acquired | -55.9% (price as of 2026-10-02) |
| May 31, 2017 | XELLL | A | 9 | $47.91 | $431 | 186 Direct | +5.08% | Acquired | -56.2% (price as of 2026-10-02) |
| May 16, 2017 | XELLL | A | 9 | $45.57 | $410 | 178 Direct | +5.33% | Acquired | -53.9% (price as of 2026-10-02) |
| April 28, 2017 | XELLL | A | 9 | $45.05 | $405 | 168 Direct | +5.66% | Acquired | -53.4% (price as of 2026-10-02) |
| April 17, 2017 | XELLL | A | 9 | $45.08 | $406 | 158 Direct | +6.04% | Acquired | -53.4% (price as of 2026-10-02) |
| March 31, 2017 | XELLL | A | 10 | $44.45 | $444 | 148 Direct | +7.25% | Acquired | -52.8% (price as of 2026-10-02) |
| March 15, 2017 | XELLL | A | 10 | $44.05 | $440 | 139 Direct | +7.75% | Acquired | -52.3% (price as of 2026-10-02) |
| March 1, 2017 | XELLL | A | 10 | $43.50 | $435 | 129 Direct | +8.40% | Acquired | -51.7% (price as of 2026-10-02) |
| Feb. 21, 2017 | XELLL | M | 2,725 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 21, 2017 | XELLL | F | 909 | $42.00 | $38,178 | 10,739 Direct | -7.80% | Disposed | -50.0% (price as of 2026-10-02) |
| Feb. 21, 2017 | XELLL | M | 2,725 | · | · | 11,649 Direct | +30.54% | Acquired | (price as of 2026-10-02) |
| Feb. 21, 2017 | XELLL | A | 2,554 | · | · | 8,924 Direct | +40.09% | Acquired | (price as of 2026-10-02) |
| Feb. 15, 2017 | XELLL | A | 10 | $41.61 | $416 | 31 Direct | +47.62% | Acquired | -49.6% (price as of 2026-10-02) |
| Feb. 1, 2017 | XELLL | A | 10 | $40.63 | $406 | 21 Direct | +90.91% | Acquired | -48.3% (price as of 2026-10-02) |
| Jan. 17, 2017 | XELLL | A | 10 | $41.20 | $412 | 10 Direct | · | Acquired | -49.1% (price as of 2026-10-02) |
| Jan. 3, 2017 | XELLL | A | 1,626 | · | · | 1,626 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 16, 2016 | XELLL | F | 860 | $38.82 | $33,385 | 6,366 Direct | -11.90% | Disposed | -45.9% (price as of 2026-10-02) |
| Feb. 16, 2016 | XELLL | A | 2,555 | · | · | 7,225 Direct | +54.71% | Acquired | (price as of 2026-10-02) |
| Jan. 21, 2016 | XELLL | F | 292 | $36.62 | $10,693 | 4,671 Direct | -5.88% | Disposed | -42.7% (price as of 2026-10-02) |
| Jan. 4, 2016 | XELLL | A | 1,485 | · | · | 1,485 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 17, 2015 | XELLL | F | 1,596 | $35.00 | $55,860 | 4,208 Direct | -27.50% | Disposed | -40.0% (price as of 2026-10-02) |
| Feb. 17, 2015 | XELLL | A | 3,084 | · | · | 5,803 Direct | +113.42% | Acquired | (price as of 2026-10-02) |
| Jan. 2, 2015 | XELLL | A | 1,330 | · | · | 1,330 Direct | · | Acquired | (price as of 2026-10-02) |
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 |
|---|---|---|---|---|---|---|---|
| Feb. 16, 2021 | XELLL | Restricted Stock Units | Common Stock | · | · | 1,593 | Disposed |
| Jan. 4, 2021 | XELLL | Restricted Stock Units | Common Stock | · | Dec. 31, 2023 | 1,112 | Acquired |
| Feb. 18, 2020 | XELLL | Restricted Stock Unit | Common Stock | · | · | 1,778 | Disposed |
| Jan. 2, 2020 | XELLL | Restricted Stock Units | Common Stock | · | Dec. 31, 2022 | 1,123 | Acquired |
| Feb. 26, 2019 | XELLL | Phantom Stock | Common Stock | · | · | 23 | Acquired |
| Feb. 19, 2019 | XELLL | Restricted Stock Units | Common Stock | · | · | 1,634 | Disposed |
| Jan. 2, 2019 | XELLL | Restricted Stock Units | Common Stock | · | Dec. 31, 2021 | 1,452 | Acquired |
| Feb. 23, 2018 | XELLL | Phantom Stock | Common Stock | · | · | 3,579 | Acquired |
| Feb. 20, 2018 | XELLL | Restricted Stock Units | Common Stock | · | · | 1,470 | Disposed |
| Feb. 20, 2018 | XELLL | Phantom Stock | Common Stock | · | · | 7,885 | Acquired |
| Jan. 2, 2018 | XELLL | Restricted Stock Units | Common Stock | · | Dec. 31, 2020 | 1,465 | Acquired |
| Dec. 29, 2017 | XELLL | Phantom Stock | Common Stock | · | · | 9 | Acquired |
| Dec. 15, 2017 | XELLL | Phantom Stock | Common Stock | · | · | 8 | Acquired |
| Nov. 30, 2017 | XELLL | Phantom Stock | Common Stock | · | · | 8 | Acquired |
| Nov. 15, 2017 | XELLL | Phantom Stock | Common Stock | · | · | 8 | Acquired |
| Nov. 1, 2017 | XELLL | Phantom Stock | Common Stock | · | · | 9 | Acquired |
| Oct. 13, 2017 | XELLL | Phantom Stock | Common Stock | · | · | 9 | Acquired |
| Sept. 29, 2017 | XELLL | Phantom Stock | Common Stock | · | · | 9 | Acquired |
| Sept. 15, 2017 | XELLL | Phantom Stock | Common Stock | · | · | 9 | Acquired |
| Aug. 31, 2017 | XELLL | Phantom Stock | Common Stock | · | · | 9 | Acquired |
| Aug. 16, 2017 | XELLL | Phantom Stock | Common Stock | · | · | 9 | Acquired |
| July 31, 2017 | XELLL | Phantom Stock | Common Stock | · | · | 9 | Acquired |
| July 17, 2017 | XELLL | Phantom Stock | Common Stock | · | · | 9 | Acquired |
| June 30, 2017 | XELLL | Phantom Stock | Common Stock | · | · | 9 | Acquired |
| June 15, 2017 | XELLL | Phantom Stock | Common Stock | · | · | 9 | Acquired |
| May 31, 2017 | XELLL | Phantom Stock | Common Stock | · | · | 9 | Acquired |
| May 16, 2017 | XELLL | Phantom Stock | Common Stock | · | · | 9 | Acquired |
| April 28, 2017 | XELLL | Phantom Stock | Common Stock | · | · | 9 | Acquired |
| April 17, 2017 | XELLL | Phantom Stock | Common Stock | · | · | 9 | Acquired |
| March 31, 2017 | XELLL | Phantom Stock | Common Stock | · | · | 10 | Acquired |
| March 15, 2017 | XELLL | Phantom Stock | Common Stock | · | · | 10 | Acquired |
| March 1, 2017 | XELLL | Phantom Stock | Common Stock | · | · | 10 | Acquired |
| Feb. 21, 2017 | XELLL | Restricted Stock Units | Common Stock | · | · | 2,725 | Disposed |
| Feb. 15, 2017 | XELLL | Phantom Stock | Common Stock | · | · | 10 | Acquired |
| Feb. 1, 2017 | XELLL | Phantom Stock | Common Stock | · | · | 10 | Acquired |
| Jan. 17, 2017 | XELLL | Phantom Stock | Common Stock | · | · | 10 | Acquired |
| Jan. 3, 2017 | XELLL | Restricted Stock Units | Common Stock | · | Dec. 31, 2019 | 1,626 | Acquired |
| Jan. 4, 2016 | XELLL | Restricted Stock Units | Common Stock | · | Dec. 31, 2018 | 1,485 | Acquired |
| Jan. 2, 2015 | XELLL | Restricted Stock Units | Common Stock | · | Dec. 31, 2017 | 1,330 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 4 holdings
Securities held when first becoming an insider, per SEC Form 3.