Mark J. Day
Insider
First SEC filing: March 27, 2019 · Latest: March 27, 2019
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 |
|---|---|---|---|---|---|---|---|---|---|
| March 4, 2024 | IRTC | S | 3,248 | $111.14 | $360,983 | 61,164 Direct | -5.04% | Disposed | -0.7% (price as of 2026-10-02) |
| Feb. 29, 2024 | IRTC | S | 1,475 | $121.96 | $179,891 | 64,412 Direct | -2.24% | Disposed | -9.5% (price as of 2026-10-02) |
| Feb. 28, 2024 | IRTC | A | 7,734 | · | · | 65,887 Direct | +13.30% | Acquired | (price as of 2026-10-02) |
| Feb. 27, 2024 | IRTC | A | 2,621 | · | · | 58,153 Direct | +4.72% | Acquired | (price as of 2026-10-02) |
| Aug. 3, 2023 | IRTC | M | 486 | $36.22 | $17,603 | 55,522 Direct | +0.88% | Acquired | 204.7% (price as of 2026-10-02) |
| Aug. 3, 2023 | IRTC | M | 486 | · | · | 13,591 Direct | -3.45% | Disposed | (price as of 2026-10-02) |
| March 3, 2023 | IRTC | S | 2,116 | $117.23 | $248,059 | 54,815 Direct | -3.72% | Disposed | -5.9% (price as of 2026-10-02) |
| Feb. 28, 2023 | IRTC | S | 1,898 | $117.83 | $223,641 | 56,946 Direct | -3.23% | Disposed | -6.3% (price as of 2026-10-02) |
| Feb. 28, 2023 | IRTC | S | 15 | $119.28 | $1,789 | 56,931 Direct | -0.03% | Disposed | -7.5% (price as of 2026-10-02) |
| Feb. 27, 2023 | IRTC | A | 8,354 | · | · | 55,376 Direct | +17.77% | Acquired | (price as of 2026-10-02) |
| Feb. 27, 2023 | IRTC | A | 3,468 | · | · | 58,844 Direct | +6.26% | Acquired | (price as of 2026-10-02) |
| March 4, 2022 | IRTC | S | 2,518 | $132.67 | $334,063 | 46,705 Direct | -5.12% | Disposed | -16.8% (price as of 2026-10-02) |
| Feb. 17, 2022 | IRTC | S | 87 | $118.93 | $10,347 | 53,198 Direct | -0.16% | Disposed | -7.2% (price as of 2026-10-02) |
| Feb. 17, 2022 | IRTC | S | 3,975 | $121.04 | $481,134 | 49,223 Direct | -7.47% | Disposed | -8.8% (price as of 2026-10-02) |
| Feb. 15, 2022 | IRTC | A | 6,018 | · | · | 46,133 Direct | +15.00% | Acquired | (price as of 2026-10-02) |
| Feb. 15, 2022 | IRTC | A | 7,152 | · | · | 53,285 Direct | +15.50% | Acquired | (price as of 2026-10-02) |
| March 1, 2021 | IRTC | A | 2,953 | · | · | 39,915 Direct | +7.99% | Acquired | (price as of 2026-10-02) |
| March 1, 2021 | IRTC | F | 2,518 | $152.92 | $385,053 | 36,962 Direct | -6.38% | Disposed | -27.8% (price as of 2026-10-02) |
| Feb. 23, 2021 | IRTC | M | 8,300 | $17.00 | $141,100 | 38,386 Direct | +27.59% | Acquired | 549.2% (price as of 2026-10-02) |
| Feb. 23, 2021 | IRTC | M | 971 | $36.22 | $35,170 | 39,357 Direct | +2.53% | Acquired | 204.7% (price as of 2026-10-02) |
| Feb. 23, 2021 | IRTC | M | 123 | $63.95 | $7,866 | 39,480 Direct | +0.31% | Acquired | 72.6% (price as of 2026-10-02) |
| Feb. 23, 2021 | IRTC | M | 8,300 | $17.00 | $141,100 | 7,485 Direct | · | Acquired | 549.2% (price as of 2026-10-02) |
| Feb. 23, 2021 | IRTC | M | 971 | $36.22 | $35,170 | 14,077 Direct | +7.41% | Acquired | 204.7% (price as of 2026-10-02) |
| Feb. 23, 2021 | IRTC | M | 123 | $63.95 | $7,866 | 10,577 Direct | +1.18% | Acquired | 72.6% (price as of 2026-10-02) |
| Jan. 17, 2021 | IRTC | A | 10,353 | · | · | 34,664 Direct | +42.59% | Acquired | (price as of 2026-10-02) |
| Jan. 17, 2021 | IRTC | F | 4,578 | $250.57 | $1,147,109 | 30,086 Direct | -13.21% | Disposed | -56.0% (price as of 2026-10-02) |
| Dec. 31, 2020 | IRTC | M | 2,298 | $8.18 | $18,798 | 22,811 Direct | +11.20% | Acquired | 1249.3% (price as of 2026-10-02) |
| Dec. 31, 2020 | IRTC | M | 1,500 | $17.00 | $25,500 | 24,311 Direct | +6.58% | Acquired | 549.2% (price as of 2026-10-02) |
| Dec. 31, 2020 | IRTC | M | 2,298 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Dec. 31, 2020 | IRTC | M | 1,500 | · | · | 15,785 Direct | -8.68% | Disposed | (price as of 2026-10-02) |
| Oct. 1, 2020 | IRTC | S 10b5-1 | 610 | $226.59 | $138,220 | 37,369 Direct | -1.61% | Disposed | -51.3% (price as of 2026-10-02) |
| Oct. 1, 2020 | IRTC | S 10b5-1 | 2,280 | $227.52 | $518,746 | 35,089 Direct | -6.10% | Disposed | -51.5% (price as of 2026-10-02) |
| Oct. 1, 2020 | IRTC | S 10b5-1 | 3,557 | $228.68 | $813,415 | 31,532 Direct | -10.14% | Disposed | -51.7% (price as of 2026-10-02) |
| Oct. 1, 2020 | IRTC | S 10b5-1 | 4,406 | $229.45 | $1,010,957 | 27,126 Direct | -13.97% | Disposed | -51.9% (price as of 2026-10-02) |
| Oct. 1, 2020 | IRTC | S 10b5-1 | 4,280 | $230.36 | $985,941 | 22,846 Direct | -15.78% | Disposed | -52.1% (price as of 2026-10-02) |
| Oct. 1, 2020 | IRTC | S 10b5-1 | 8 | $231.20 | $1,850 | 22,838 Direct | -0.04% | Disposed | -52.3% (price as of 2026-10-02) |
| Oct. 1, 2020 | IRTC | S 10b5-1 | 556 | $235.11 | $130,721 | 22,282 Direct | -2.43% | Disposed | -53.1% (price as of 2026-10-02) |
| Oct. 1, 2020 | IRTC | S 10b5-1 | 1,146 | $236.88 | $271,464 | 21,136 Direct | -5.14% | Disposed | -53.4% (price as of 2026-10-02) |
| Oct. 1, 2020 | IRTC | S 10b5-1 | 657 | $238.48 | $156,681 | 20,479 Direct | -3.11% | Disposed | -53.7% (price as of 2026-10-02) |
| Aug. 11, 2020 | IRTC | S 10b5-1 | 436 | $181.63 | $79,191 | 42,543 Direct | -1.01% | Disposed | -39.2% (price as of 2026-10-02) |
| Aug. 11, 2020 | IRTC | S 10b5-1 | 1,586 | $182.96 | $290,175 | 40,957 Direct | -3.73% | Disposed | -39.7% (price as of 2026-10-02) |
| Aug. 11, 2020 | IRTC | S 10b5-1 | 2,335 | $183.87 | $429,336 | 38,622 Direct | -5.70% | Disposed | -40.0% (price as of 2026-10-02) |
| Aug. 11, 2020 | IRTC | S 10b5-1 | 360 | $184.96 | $66,586 | 38,262 Direct | -0.93% | Disposed | -40.3% (price as of 2026-10-02) |
| Aug. 11, 2020 | IRTC | S 10b5-1 | 40 | $185.62 | $7,425 | 38,222 Direct | -0.10% | Disposed | -40.5% (price as of 2026-10-02) |
| Aug. 11, 2020 | IRTC | S 10b5-1 | 243 | $187.70 | $45,611 | 37,979 Direct | -0.64% | Disposed | -41.2% (price as of 2026-10-02) |
| March 1, 2020 | IRTC | F | 1,800 | $86.97 | $156,546 | 42,677 Direct | -4.05% | Disposed | 26.9% (price as of 2026-10-02) |
| Feb. 25, 2020 | IRTC | A | 4,616 | · | · | 44,477 Direct | +11.58% | Acquired | (price as of 2026-10-02) |
| Dec. 31, 2019 | IRTC | M | 638 | $5.82 | $3,713 | 37,200 Direct | +1.74% | Acquired | 1796.4% (price as of 2026-10-02) |
| Dec. 31, 2019 | IRTC | M | 2,661 | $8.18 | $21,767 | 39,861 Direct | +7.15% | Acquired | 1249.3% (price as of 2026-10-02) |
| Dec. 31, 2019 | IRTC | M | 638 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Dec. 31, 2019 | IRTC | M | 2,661 | · | · | 2,298 Direct | -53.66% | Disposed | (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 |
|---|---|---|---|---|---|---|---|
| Aug. 3, 2023 | IRTC | Employee Stock Option (right to buy) | Common Stock | $36.22 | Feb. 8, 2027 | 486 | Disposed |
| Feb. 23, 2021 | IRTC | Employee Stock Option (right to buy) | Common Stock | $17.00 | Oct. 20, 2026 | 8,300 | Acquired |
| Feb. 23, 2021 | IRTC | Employee Stock Option (right to buy) | Common Stock | $36.22 | Feb. 8, 2027 | 971 | Acquired |
| Feb. 23, 2021 | IRTC | Employee Stock Option (right to buy) | Common Stock | $63.95 | Feb. 27, 2028 | 123 | Acquired |
| Dec. 31, 2020 | IRTC | Employee Stock Option (right to buy) | Common Stock | $8.18 | Dec. 15, 2025 | 2,298 | Disposed |
| Dec. 31, 2020 | IRTC | Employee Stock Option (right to buy) | Common Stock | $17.00 | Oct. 20, 2026 | 1,500 | Disposed |
| Dec. 31, 2019 | IRTC | Employee Stock Option (right to buy) | Common Stock | $5.82 | Feb. 10, 2025 | 638 | Disposed |
| Dec. 31, 2019 | IRTC | Employee Stock Option (right to buy) | Common Stock | $8.18 | Dec. 15, 2025 | 2,661 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 6 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| March 27, 2019 | IRTC | Common Stock | 36,562 | Direct |
| March 27, 2019 | IRTC | Employee Stock Option (right to buy) | 638 | Direct |
| March 27, 2019 | IRTC | Employee Stock Option (right to buy) | 4,959 | Direct |
| March 27, 2019 | IRTC | Employee Stock Option (right to buy) | 17,285 | Direct |
| March 27, 2019 | IRTC | Employee Stock Option (right to buy) | 15,048 | Direct |
| March 27, 2019 | IRTC | Employee Stock Option (right to buy) | 10,700 | Direct |