Michael David Dunn
First SEC filing: April 25, 2025 · Latest: April 25, 2025
Insider at
Insider transactions
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 24, 2025 | SYM | S | 2,166 | $21.60 | $46,786 | 27,256 Indirect | -7.36% | Disposed | 100.4% (price as of 2026-10-02) |
| April 23, 2025 | SYM | M | 4,413 | · | · | 28,235 Indirect | +18.52% | Acquired | (price as of 2026-10-02) |
| April 23, 2025 | SYM | M | 1,187 | · | · | 29,422 Indirect | +4.20% | Acquired | (price as of 2026-10-02) |
| April 23, 2025 | SYM | M | 4,413 | · | · | 13,239 Direct | -25.00% | Disposed | (price as of 2026-10-02) |
| April 23, 2025 | SYM | M | 1,187 | · | · | 8,313 Direct | -12.49% | Disposed | (price as of 2026-10-02) |
| April 2, 2025 | SYM | S | 2,040 | $22.24 | $45,370 | 23,822 Indirect | -7.89% | Disposed | 94.6% (price as of 2026-10-02) |
| April 1, 2025 | SYM | M | 5,498 | · | · | 25,862 Indirect | +27.00% | Acquired | (price as of 2026-10-02) |
| April 1, 2025 | SYM | M | 5,498 | · | · | 16,496 Direct | -25.00% | Disposed | (price as of 2026-10-02) |
| Feb. 28, 2025 | SYM | A | 513 | $16.32 | $8,372 | 20,364 Indirect | +2.58% | Acquired | 165.2% (price as of 2026-10-02) |
| Feb. 23, 2025 | SYM | A | 117,734 | · | · | 117,734 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 31, 2025 | SYM | S 10b5-1 | 2,450 | $30.00 | $73,500 | 19,851 Indirect | -10.99% | Disposed | 44.3% (price as of 2026-10-02) |
| Jan. 30, 2025 | SYM | S 10b5-1 | 1,971 | $30.00 | $59,130 | 22,301 Indirect | -8.12% | Disposed | 44.3% (price as of 2026-10-02) |
| Jan. 24, 2025 | SYM | S | 3,635 | $33.28 | $120,973 | 24,272 Indirect | -13.03% | Disposed | 30.0% (price as of 2026-10-02) |
| Jan. 23, 2025 | SYM | M | 4,413 | · | · | 23,159 Indirect | +23.54% | Acquired | (price as of 2026-10-02) |
| Jan. 23, 2025 | SYM | M | 4,748 | · | · | 27,907 Indirect | +20.50% | Acquired | (price as of 2026-10-02) |
| Jan. 23, 2025 | SYM | M | 4,413 | · | · | 17,652 Direct | -20.00% | Disposed | (price as of 2026-10-02) |
| Jan. 23, 2025 | SYM | M | 4,748 | · | · | 9,500 Direct | -33.32% | Disposed | (price as of 2026-10-02) |
| Jan. 23, 2025 | SYM | A | 45,250 | · | · | 45,250 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 16, 2025 | SYM | S 10b5-1 | 13,114 | $32.19 | $422,140 | 18,746 Indirect | -41.16% | Disposed | 34.5% (price as of 2026-10-02) |
| Jan. 3, 2025 | SYM | S | 5,365 | $24.60 | $131,979 | 31,860 Indirect | -14.41% | Disposed | 75.9% (price as of 2026-10-02) |
| Jan. 3, 2025 | SYM | M | 7,672 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Jan. 3, 2025 | SYM | M | 5,498 | · | · | 21,992 Direct | -20.00% | Disposed | (price as of 2026-10-02) |
| Jan. 1, 2025 | SYM | M | 7,672 | · | · | 31,727 Indirect | +31.89% | Acquired | (price as of 2026-10-02) |
| Jan. 1, 2025 | SYM | M | 5,498 | · | · | 37,225 Indirect | +17.33% | Acquired | (price as of 2026-10-02) |
| Dec. 9, 2024 | SYM | S 10b5-1 | 1,600 | $29.05 | $46,480 | 86,322 Indirect | -1.82% | Disposed | 49.0% (price as of 2026-10-02) |
| Dec. 9, 2024 | SYM | S 10b5-1 | 62,267 | $30.11 | $1,874,859 | 24,055 Indirect | -72.13% | Disposed | 43.7% (price as of 2026-10-02) |
| Oct. 24, 2024 | SYM | S | 1,715 | $28.77 | $49,341 | 87,922 Indirect | -1.91% | Disposed | 50.4% (price as of 2026-10-02) |
| Oct. 23, 2024 | SYM | M | 4,413 | · | · | 89,637 Indirect | +5.18% | Acquired | (price as of 2026-10-02) |
| Oct. 23, 2024 | SYM | M | 4,413 | · | · | 22,065 Direct | -16.67% | Disposed | (price as of 2026-10-02) |
| Oct. 2, 2024 | SYM | S | 5,266 | $23.81 | $125,383 | 85,224 Indirect | -5.82% | Disposed | 81.8% (price as of 2026-10-02) |
| Oct. 1, 2024 | SYM | M | 5,498 | · | · | 82,824 Indirect | +7.11% | Acquired | (price as of 2026-10-02) |
| Oct. 1, 2024 | SYM | M | 7,666 | · | · | 90,490 Indirect | +9.26% | Acquired | (price as of 2026-10-02) |
| Oct. 1, 2024 | SYM | M | 5,498 | · | · | 27,492 Direct | -16.67% | Disposed | (price as of 2026-10-02) |
| Oct. 1, 2024 | SYM | M | 7,666 | · | · | 7,672 Direct | -49.98% | Disposed | (price as of 2026-10-02) |
| July 24, 2024 | SYM | S | 1,895 | $36.56 | $69,281 | 77,326 Indirect | -2.39% | Disposed | 18.4% (price as of 2026-10-02) |
| July 23, 2024 | SYM | M | 4,413 | · | · | 79,221 Indirect | +5.90% | Acquired | (price as of 2026-10-02) |
| July 23, 2024 | SYM | M | 4,413 | · | · | 26,478 Direct | -14.29% | Disposed | (price as of 2026-10-02) |
| July 15, 2024 | SYM | S 10b5-1 | 2,000 | $40.00 | $80,000 | 74,808 Indirect | -2.60% | Disposed | 8.2% (price as of 2026-10-02) |
| July 2, 2024 | SYM | S | 4,934 | $35.46 | $174,960 | 77,062 Indirect | -6.02% | Disposed | 22.1% (price as of 2026-10-02) |
| July 2, 2024 | SYM | S | 254 | $36.16 | $9,185 | 76,808 Indirect | -0.33% | Disposed | 19.7% (price as of 2026-10-02) |
| July 1, 2024 | SYM | M | 5,498 | · | · | 74,330 Indirect | +7.99% | Acquired | (price as of 2026-10-02) |
| July 1, 2024 | SYM | M | 7,666 | · | · | 81,996 Indirect | +10.31% | Acquired | (price as of 2026-10-02) |
| July 1, 2024 | SYM | M | 5,498 | · | · | 32,990 Direct | -14.28% | Disposed | (price as of 2026-10-02) |
| July 1, 2024 | SYM | M | 7,666 | · | · | 15,338 Direct | -33.32% | Disposed | (price as of 2026-10-02) |
| June 3, 2024 | SYM | S 10b5-1 | 2,000 | $40.04 | $80,080 | 68,832 Indirect | -2.82% | Disposed | 8.1% (price as of 2026-10-02) |
| May 22, 2024 | SYM | S | 1,200 | $44.02 | $52,824 | 70,832 Indirect | -1.67% | Disposed | -1.7% (price as of 2026-10-02) |
| May 1, 2024 | SYM | S 10b5-1 | 2,000 | $40.00 | $80,000 | 72,032 Indirect | -2.70% | Disposed | 8.2% (price as of 2026-10-02) |
| April 24, 2024 | SYM | S | 1,747 | $40.08 | $70,020 | 74,032 Indirect | -2.31% | Disposed | 8.0% (price as of 2026-10-02) |
| April 23, 2024 | SYM | M | 4,413 | · | · | 75,779 Indirect | +6.18% | Acquired | (price as of 2026-10-02) |
| April 23, 2024 | SYM | M | 4,413 | · | · | 30,891 Direct | -12.50% | Disposed | (price as of 2026-10-02) |
| April 2, 2024 | SYM | S | 5,444 | $43.29 | $235,671 | 71,366 Indirect | -7.09% | Disposed | 0.0% (price as of 2026-10-02) |
| April 1, 2024 | SYM | S 10b5-1 | 2,000 | $45.52 | $91,040 | 63,646 Indirect | -3.05% | Disposed | -4.9% (price as of 2026-10-02) |
| April 1, 2024 | SYM | M | 5,498 | · | · | 69,144 Indirect | +8.64% | Acquired | (price as of 2026-10-02) |
| April 1, 2024 | SYM | M | 7,666 | · | · | 76,810 Indirect | +11.09% | Acquired | (price as of 2026-10-02) |
| April 1, 2024 | SYM | M | 5,498 | · | · | 38,488 Direct | -12.50% | Disposed | (price as of 2026-10-02) |
| April 1, 2024 | SYM | M | 7,666 | · | · | 23,004 Direct | -25.00% | Disposed | (price as of 2026-10-02) |
| Jan. 30, 2024 | SYM | S 10b5-1 | 7,051 | $45.00 | $317,295 | 65,646 Direct | -9.70% | Disposed | -3.8% (price as of 2026-10-02) |
| Jan. 25, 2024 | SYM | S | 71 | $40.77 | $2,895 | 72,697 Direct | -0.10% | Disposed | 6.2% (price as of 2026-10-02) |
| Jan. 24, 2024 | SYM | S | 6,894 | $41.50 | $286,101 | 73,378 Direct | -8.59% | Disposed | 4.3% (price as of 2026-10-02) |
| Jan. 24, 2024 | SYM | S | 610 | $42.30 | $25,803 | 72,768 Direct | -0.83% | Disposed | 2.3% (price as of 2026-10-02) |
| Jan. 23, 2024 | SYM | M | 17,648 | · | · | 80,272 Direct | +28.18% | Acquired | (price as of 2026-10-02) |
| Jan. 23, 2024 | SYM | M | 17,648 | · | · | 35,304 Direct | -33.33% | Disposed | (price as of 2026-10-02) |
| Jan. 23, 2024 | SYM | A | 14,248 | · | · | 14,248 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 22, 2024 | SYM | S 10b5-1 | 60,818 | $45.60 | $2,773,301 | 76,004 Direct | -44.45% | Disposed | -5.1% (price as of 2026-10-02) |
| Jan. 22, 2024 | SYM | S 10b5-1 | 13,380 | $46.12 | $617,086 | 62,624 Direct | -17.60% | Disposed | -6.2% (price as of 2026-10-02) |
| Jan. 9, 2024 | SYM | M | 3,833 | · | · | 34,658 Direct | +12.43% | Acquired | (price as of 2026-10-02) |
| Jan. 9, 2024 | SYM | M | 2,749 | · | · | 37,407 Direct | +7.93% | Acquired | (price as of 2026-10-02) |
| Jan. 9, 2024 | SYM | M | 99,157 | · | · | 136,564 Direct | +265.08% | Acquired | (price as of 2026-10-02) |
| Jan. 9, 2024 | SYM | M | 69,100 | · | · | 205,664 Direct | +50.60% | Acquired | (price as of 2026-10-02) |
| Jan. 9, 2024 | SYM | S | 50,445 | $43.29 | $2,183,764 | 155,219 Direct | -24.53% | Disposed | 0.0% (price as of 2026-10-02) |
| Jan. 9, 2024 | SYM | S | 18,397 | $44.00 | $809,468 | 136,822 Direct | -11.85% | Disposed | -1.6% (price as of 2026-10-02) |
| Jan. 9, 2024 | SYM | M | 3,833 | · | · | 30,670 Direct | -11.11% | Disposed | (price as of 2026-10-02) |
| Jan. 9, 2024 | SYM | M | 2,749 | · | · | 43,986 Direct | -5.88% | Disposed | (price as of 2026-10-02) |
| Jan. 9, 2024 | SYM | M | 99,157 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Jan. 9, 2024 | SYM | M | 69,100 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Jan. 4, 2024 | SYM | S 10b5-1 | 57,940 | $45.54 | $2,638,588 | 42,016 Direct | -57.97% | Disposed | -5.0% (price as of 2026-10-02) |
| Jan. 4, 2024 | SYM | S 10b5-1 | 10,691 | $46.20 | $493,924 | 31,325 Direct | -25.45% | Disposed | -6.3% (price as of 2026-10-02) |
| Jan. 4, 2024 | SYM | S 10b5-1 | 500 | $47.00 | $23,500 | 30,825 Direct | -1.60% | Disposed | -7.9% (price as of 2026-10-02) |
| Jan. 3, 2024 | SYM | S | 57,324 | $46.35 | $2,656,967 | 118,710 Direct | -32.56% | Disposed | -6.6% (price as of 2026-10-02) |
| Jan. 3, 2024 | SYM | S | 15,520 | $47.29 | $733,941 | 103,190 Direct | -13.07% | Disposed | -8.5% (price as of 2026-10-02) |
| Jan. 3, 2024 | SYM | S | 3,234 | $48.06 | $155,426 | 99,956 Direct | -3.13% | Disposed | -9.9% (price as of 2026-10-02) |
| Jan. 2, 2024 | SYM | M | 3,833 | · | · | 5,030 Direct | +320.22% | Acquired | (price as of 2026-10-02) |
| Jan. 2, 2024 | SYM | M | 2,749 | · | · | 7,779 Direct | +54.65% | Acquired | (price as of 2026-10-02) |
| Jan. 2, 2024 | SYM | M | 99,156 | · | · | 106,935 Direct | +1274.66% | Acquired | (price as of 2026-10-02) |
| Jan. 2, 2024 | SYM | M | 69,099 | · | · | 176,034 Direct | +64.62% | Acquired | (price as of 2026-10-02) |
| Jan. 2, 2024 | SYM | M | 3,833 | · | · | 34,503 Direct | -10.00% | Disposed | (price as of 2026-10-02) |
| Jan. 2, 2024 | SYM | M | 2,749 | · | · | 46,735 Direct | -5.56% | Disposed | (price as of 2026-10-02) |
| Jan. 2, 2024 | SYM | M | 99,156 | · | · | 99,157 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| Jan. 2, 2024 | SYM | M | 69,099 | · | · | 69,100 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| Dec. 14, 2023 | SYM | S 10b5-1 | 22,780 | $49.48 | $1,127,154 | 73,334 Direct | -23.70% | Disposed | -12.5% (price as of 2026-10-02) |
| Dec. 14, 2023 | SYM | S 10b5-1 | 42,251 | $50.20 | $2,121,000 | 31,083 Direct | -57.61% | Disposed | -13.8% (price as of 2026-10-02) |
| Dec. 14, 2023 | SYM | S 10b5-1 | 17,170 | $51.41 | $882,710 | 13,913 Direct | -55.24% | Disposed | -15.8% (price as of 2026-10-02) |
| Dec. 14, 2023 | SYM | S 10b5-1 | 6,180 | $52.17 | $322,411 | 7,733 Direct | -44.42% | Disposed | -17.0% (price as of 2026-10-02) |
| Dec. 14, 2023 | SYM | S 10b5-1 | 3,900 | $53.23 | $207,597 | 3,833 Direct | -50.43% | Disposed | -18.7% (price as of 2026-10-02) |
| Dec. 14, 2023 | SYM | S 10b5-1 | 2,636 | $54.07 | $142,529 | 1,197 Direct | -68.77% | Disposed | -20.0% (price as of 2026-10-02) |
| Oct. 3, 2023 | SYM | S | 5,558 | $31.21 | $173,465 | 96,114 Direct | -5.47% | Disposed | 38.7% (price as of 2026-10-02) |
| Oct. 2, 2023 | SYM | M | 7,666 | · | · | 96,174 Direct | +8.66% | Acquired | (price as of 2026-10-02) |
| Oct. 2, 2023 | SYM | M | 5,498 | · | · | 101,672 Direct | +5.72% | Acquired | (price as of 2026-10-02) |
| Oct. 2, 2023 | SYM | M | 7,666 | · | · | 38,336 Direct | -16.66% | Disposed | (price as of 2026-10-02) |
| Oct. 2, 2023 | SYM | M | 5,498 | · | · | 49,484 Direct | -10.00% | Disposed | (price as of 2026-10-02) |
Showing latest 100 of 161 transactions
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 |
|---|---|---|---|---|---|---|---|
| April 23, 2025 | SYM | Restricted Stock Units | Class A Common Stock | · | · | 4,413 | Disposed |
| April 23, 2025 | SYM | Restricted Stock Units | Class A Common Stock | · | · | 1,187 | Disposed |
| April 1, 2025 | SYM | Restricted Stock Units | Class A Common Stock | · | · | 5,498 | Disposed |
| Feb. 23, 2025 | SYM | Restricted Stock Units | Class A Common Stock | · | · | 117,734 | Acquired |
| Jan. 23, 2025 | SYM | Restricted Stock Units | Class A Common Stock | · | · | 4,413 | Disposed |
| Jan. 23, 2025 | SYM | Restricted Stock Units | Class A Common Stock | · | · | 4,748 | Disposed |
| Jan. 23, 2025 | SYM | Restricted Stock Units | Class A Common Stock | · | · | 45,250 | Acquired |
| Jan. 3, 2025 | SYM | Restricted Stock Units | Class A Common Stock | · | · | 7,672 | Disposed |
| Jan. 3, 2025 | SYM | Restricted Stock Units | Class A Common Stock | · | · | 5,498 | Disposed |
| Oct. 23, 2024 | SYM | Restricted Stock Units | Class A Common Stock | · | · | 4,413 | Disposed |
| Oct. 1, 2024 | SYM | Restricted Stock Units | Class A Common Stock | · | · | 5,498 | Disposed |
| Oct. 1, 2024 | SYM | Restricted Stock Units | Class A Common Stock | · | · | 7,666 | Disposed |
| July 23, 2024 | SYM | Restricted Stock Units | Class A Common Stock | · | · | 4,413 | Disposed |
| July 1, 2024 | SYM | Restricted Stock Units | Class A Common Stock | · | · | 5,498 | Disposed |
| July 1, 2024 | SYM | Restricted Stock Units | Class A Common Stock | · | · | 7,666 | Disposed |
| April 23, 2024 | SYM | Restricted Stock Units | Class A Common Stock | · | · | 4,413 | Disposed |
| April 1, 2024 | SYM | Restricted Stock Units | Class A Common Stock | · | · | 5,498 | Disposed |
| April 1, 2024 | SYM | Restricted Stock Units | Class A Common Stock | · | · | 7,666 | Disposed |
| Jan. 23, 2024 | SYM | Restricted Stock Units | Class A Common Stock | · | · | 17,648 | Disposed |
| Jan. 23, 2024 | SYM | Restricted Stock Units | Class A Common Stock | · | · | 14,248 | Acquired |
| Jan. 9, 2024 | SYM | Restricted Stock Units | Class A Common Stock | · | · | 3,833 | Disposed |
| Jan. 9, 2024 | SYM | Restricted Stock Units | Class A Common Stock | · | · | 2,749 | Disposed |
| Jan. 9, 2024 | SYM | Restricted Stock Units | Class A Common Stock | · | · | 99,157 | Disposed |
| Jan. 9, 2024 | SYM | Restricted Stock Units | Class A Common Stock | · | · | 69,100 | Disposed |
| Jan. 2, 2024 | SYM | Restricted Stock Units | Class A Common Stock | · | · | 3,833 | Disposed |
| Jan. 2, 2024 | SYM | Restricted Stock Units | Class A Common Stock | · | · | 2,749 | Disposed |
| Jan. 2, 2024 | SYM | Restricted Stock Units | Class A Common Stock | · | · | 99,156 | Disposed |
| Jan. 2, 2024 | SYM | Restricted Stock Units | Class A Common Stock | · | · | 69,099 | Disposed |
| Oct. 2, 2023 | SYM | Restricted Stock Units | Class A Common Stock | · | · | 7,666 | Disposed |
| Oct. 2, 2023 | SYM | Restricted Stock Units | Class A Common Stock | · | · | 5,498 | Disposed |
| July 3, 2023 | SYM | Restricted Stock Units | Class A Common Stock | · | · | 7,666 | Disposed |
| July 3, 2023 | SYM | Restricted Stock Units | Class A Common Stock | · | · | 5,498 | Disposed |
| April 3, 2023 | SYM | Restricted Stock Units | Class A Common Stock | · | · | 7,666 | Disposed |
| April 3, 2023 | SYM | Restricted Stock Units | Class A Common Stock | · | · | 5,498 | Disposed |
| Jan. 23, 2023 | SYM | Restricted Stock Units | Class A Common Stock | · | · | 52,952 | Acquired |
| Jan. 3, 2023 | SYM | Restricted Stock Units | Class A Common Stock | · | · | 99,156 | Disposed |
| Jan. 3, 2023 | SYM | Restricted Stock Units | Class A Common Stock | · | · | 15,333 | Disposed |
| Jan. 3, 2023 | SYM | Restricted Stock Units | Class A Common Stock | · | · | 10,996 | Disposed |
| Jan. 1, 2023 | SYM | Restricted Stock Units | Class A Common Stock | · | · | 99,156 | Disposed |
| Jan. 1, 2023 | SYM | Restricted Stock Units | Class A Common Stock | · | · | 15,333 | Disposed |
| Jan. 1, 2023 | SYM | Restricted Stock Units | Class A Common Stock | · | · | 10,996 | Disposed |
| Aug. 17, 2022 | SYM | Restricted Stock Units | Class A Common Stock | · | · | 414,599 | Acquired |
| Aug. 17, 2022 | SYM | Restricted Stock Units | Class A Common Stock | · | · | 276,400 | Disposed |
| Aug. 17, 2022 | SYM | Restricted Stock Units | Class A Common Stock | · | · | 396,625 | Acquired |
| Aug. 17, 2022 | SYM | Restricted Stock Units | Class A Common Stock | · | · | 92,000 | Acquired |
| Aug. 17, 2022 | SYM | Restricted Stock Units | Class A Common Stock | · | · | 87,970 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2025 | $450,000 | $405,000 | · | · | · | · | $110,627 | $8,397,956 |
| 2022 | $350,000 | $350,000 | · | · | · | · | $12,870 | $16,383,647 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.