David A Ramsay
CIK 1283292 · View on SEC EDGAR ↗
First SEC filing: Feb. 8, 2005 · Latest: May 24, 2013
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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 |
|---|---|---|---|---|---|---|---|---|---|
| Dec. 19, 2025 | SVRA | S | 20,000 | $6.06 | $121,200 | 2,533,642 Direct | -0.78% | Disposed | -10.9% (price as of 2026-08-18) |
| March 31, 2025 | SVRA | P | 150,000 | $2.78 | $417,000 | 2,513,642 Direct | +6.35% | Acquired | 94.2% (price as of 2026-08-18) |
| Nov. 18, 2024 | SVRA | P | 100,000 | $2.88 | $288,000 | 2,323,642 Direct | +4.50% | Acquired | 87.5% (price as of 2026-08-18) |
| May 26, 2023 | SVRA | P | 37,124 | $2.63 | $97,636 | 2,201,142 Direct | +1.72% | Acquired | 105.3% (price as of 2026-08-18) |
| May 25, 2023 | SVRA | P | 12,876 | $2.57 | $33,091 | 2,164,018 Direct | +0.60% | Acquired | 110.1% (price as of 2026-08-18) |
| May 24, 2023 | SVRA | P | 50,000 | $2.56 | $128,000 | 2,151,142 Direct | +2.38% | Acquired | 110.9% (price as of 2026-08-18) |
| Dec. 30, 2022 | SVRA | P | 29,000 | $1.55 | $44,950 | 2,101,142 Direct | +1.40% | Acquired | 248.4% (price as of 2026-08-18) |
| Dec. 29, 2022 | SVRA | P | 7,000 | $1.54 | $10,780 | 2,072,142 Direct | +0.34% | Acquired | 250.6% (price as of 2026-08-18) |
| Dec. 28, 2022 | SVRA | P | 3,293 | $1.50 | $4,940 | 2,065,142 Direct | +0.16% | Acquired | 260.0% (price as of 2026-08-18) |
| Dec. 23, 2022 | SVRA | P | 15,707 | $1.44 | $22,618 | 2,061,849 Direct | +0.77% | Acquired | 275.0% (price as of 2026-08-18) |
| Dec. 22, 2022 | SVRA | P | 41,414 | $1.48 | $61,293 | 2,046,142 Direct | +2.07% | Acquired | 264.9% (price as of 2026-08-18) |
| Dec. 20, 2022 | SVRA | P | 3,586 | $1.48 | $5,307 | 2,004,728 Direct | +0.18% | Acquired | 264.9% (price as of 2026-08-18) |
| Dec. 20, 2022 | SVRA | P | 13,830 | $1.50 | $20,745 | 2,001,142 Direct | +0.70% | Acquired | 260.0% (price as of 2026-08-18) |
| Dec. 19, 2022 | SVRA | P | 40,719 | $1.49 | $60,671 | 1,987,312 Direct | +2.09% | Acquired | 262.4% (price as of 2026-08-18) |
| Dec. 16, 2022 | SVRA | P | 341 | $1.50 | $512 | 1,946,593 Direct | +0.02% | Acquired | 260.0% (price as of 2026-08-18) |
| Nov. 23, 2022 | SVRA | P | 4,610 | $1.44 | $6,638 | 1,946,252 Direct | +0.24% | Acquired | 275.0% (price as of 2026-08-18) |
| Nov. 22, 2022 | SVRA | P | 15,495 | $1.42 | $22,003 | 1,941,642 Direct | +0.80% | Acquired | 280.3% (price as of 2026-08-18) |
| Nov. 21, 2022 | SVRA | P | 25,005 | $1.42 | $35,507 | 1,926,147 Direct | +1.32% | Acquired | 280.3% (price as of 2026-08-18) |
| Nov. 18, 2022 | SVRA | P | 16,100 | $1.34 | $21,574 | 1,901,142 Direct | +0.85% | Acquired | 303.0% (price as of 2026-08-18) |
| Nov. 17, 2022 | SVRA | P | 8,900 | $1.27 | $11,303 | 1,885,042 Direct | +0.47% | Acquired | 325.2% (price as of 2026-08-18) |
| Sept. 27, 2022 | SVRA | P | 73,893 | $1.37 | $101,233 | 1,876,142 Direct | +4.10% | Acquired | 294.2% (price as of 2026-08-18) |
| Sept. 26, 2022 | SVRA | P | 31,107 | $1.38 | $42,928 | 1,802,249 Direct | +1.76% | Acquired | 291.3% (price as of 2026-08-18) |
| Sept. 23, 2022 | SVRA | P | 30,000 | $1.42 | $42,600 | 1,771,142 Direct | +1.72% | Acquired | 280.3% (price as of 2026-08-18) |
| Sept. 20, 2022 | SVRA | P | 600 | $1.45 | $870 | 1,741,142 Direct | +0.03% | Acquired | 272.4% (price as of 2026-08-18) |
| Sept. 19, 2022 | SVRA | P | 1,400 | $1.46 | $2,044 | 1,740,542 Direct | +0.08% | Acquired | 269.9% (price as of 2026-08-18) |
| Sept. 16, 2022 | SVRA | P | 6,000 | $1.44 | $8,640 | 1,739,142 Direct | +0.35% | Acquired | 275.0% (price as of 2026-08-18) |
| Sept. 8, 2022 | SVRA | P | 29,000 | $1.40 | $40,600 | 1,733,142 Direct | +1.70% | Acquired | 285.7% (price as of 2026-08-18) |
| Sept. 7, 2022 | SVRA | P | 2,130 | $1.38 | $2,939 | 1,704,142 Direct | +0.13% | Acquired | 291.3% (price as of 2026-08-18) |
| Sept. 6, 2022 | SVRA | P | 870 | $1.38 | $1,201 | 1,702,012 Direct | +0.05% | Acquired | 291.3% (price as of 2026-08-18) |
| Sept. 1, 2022 | SVRA | P | 39,768 | $1.42 | $56,471 | 1,701,142 Direct | +2.39% | Acquired | 280.3% (price as of 2026-08-18) |
| Aug. 31, 2022 | SVRA | P | 39,494 | $1.42 | $56,081 | 1,661,374 Direct | +2.44% | Acquired | 280.3% (price as of 2026-08-18) |
| Aug. 30, 2022 | SVRA | P | 20,738 | $1.41 | $29,241 | 1,621,880 Direct | +1.30% | Acquired | 283.0% (price as of 2026-08-18) |
| June 22, 2022 | SVRA | P | 39,000 | $1.44 | $56,160 | 1,601,142 Direct | +2.50% | Acquired | 275.0% (price as of 2026-08-18) |
| June 21, 2022 | SVRA | P | 21,094 | $1.38 | $29,110 | 1,562,142 Direct | +1.37% | Acquired | 291.3% (price as of 2026-08-18) |
| June 17, 2022 | SVRA | P | 39,906 | $1.33 | $53,075 | 1,541,048 Direct | +2.66% | Acquired | 306.0% (price as of 2026-08-18) |
| Dec. 30, 2021 | SVRA | P | 35,000 | $1.30 | $45,500 | 1,501,142 Direct | +2.39% | Acquired | 315.4% (price as of 2026-08-18) |
| Dec. 29, 2021 | SVRA | P | 15,000 | $1.25 | $18,750 | 1,466,142 Direct | +1.03% | Acquired | 332.0% (price as of 2026-08-18) |
| Dec. 17, 2021 | SVRA | P | 25,000 | $1.13 | $28,250 | 1,451,142 Direct | +1.75% | Acquired | 377.9% (price as of 2026-08-18) |
| Dec. 15, 2021 | SVRA | P | 15,000 | $1.08 | $16,200 | 1,426,142 Direct | +1.06% | Acquired | 400.0% (price as of 2026-08-18) |
| Dec. 10, 2021 | SVRA | P | 35,000 | $1.04 | $36,400 | 1,411,142 Direct | +2.54% | Acquired | 419.2% (price as of 2026-08-18) |
| Dec. 8, 2021 | SVRA | P | 13,157 | $1.05 | $13,815 | 1,376,142 Direct | +0.97% | Acquired | 414.3% (price as of 2026-08-18) |
| Dec. 7, 2021 | SVRA | P | 11,843 | $1.05 | $12,435 | 1,362,985 Direct | +0.88% | Acquired | 414.3% (price as of 2026-08-18) |
| Dec. 2, 2021 | SVRA | P | 21,394 | $1.09 | $23,319 | 1,351,142 Direct | +1.61% | Acquired | 395.4% (price as of 2026-08-18) |
| Dec. 1, 2021 | SVRA | P | 3,606 | $1.08 | $3,894 | 1,329,748 Direct | +0.27% | Acquired | 400.0% (price as of 2026-08-18) |
| Dec. 1, 2021 | SVRA | P | 9,000 | $1.08 | $9,720 | 1,326,142 Direct | +0.68% | Acquired | 400.0% (price as of 2026-08-18) |
| Nov. 30, 2021 | SVRA | P | 16,000 | $1.09 | $17,440 | 1,317,142 Direct | +1.23% | Acquired | 395.4% (price as of 2026-08-18) |
| Nov. 22, 2021 | SVRA | P | 90,000 | $1.08 | $97,200 | 1,301,142 Direct | +7.43% | Acquired | 400.0% (price as of 2026-08-18) |
| Nov. 19, 2021 | SVRA | P | 49,800 | $1.07 | $53,286 | 1,211,142 Direct | +4.29% | Acquired | 404.7% (price as of 2026-08-18) |
| Nov. 18, 2021 | SVRA | P | 60,200 | $1.08 | $65,016 | 1,161,342 Direct | +5.47% | Acquired | 400.0% (price as of 2026-08-18) |
| Sept. 30, 2021 | SVRA | P | 50,000 | $1.30 | $65,000 | 1,101,142 Direct | +4.76% | Acquired | 315.4% (price as of 2026-08-18) |
| Sept. 29, 2021 | SVRA | P | 47,500 | $1.28 | $60,800 | 1,051,142 Direct | +4.73% | Acquired | 321.9% (price as of 2026-08-18) |
| Sept. 28, 2021 | SVRA | P | 39,552 | $1.28 | $50,627 | 1,003,642 Direct | +4.10% | Acquired | 321.9% (price as of 2026-08-18) |
| Aug. 18, 2021 | SVRA | P | 17,788 | $1.22 | $21,701 | 964,090 Direct | +1.88% | Acquired | 342.6% (price as of 2026-08-18) |
| Aug. 18, 2021 | SVRA | P | 12,948 | $1.18 | $15,279 | 946,302 Direct | +1.39% | Acquired | 357.6% (price as of 2026-08-18) |
| Aug. 17, 2021 | SVRA | P | 66,554 | $1.18 | $78,534 | 933,354 Direct | +7.68% | Acquired | 357.6% (price as of 2026-08-18) |
| May 19, 2021 | SVRA | P | 5,003 | $1.58 | $7,905 | 866,800 Direct | +0.58% | Acquired | 241.8% (price as of 2026-08-18) |
| May 18, 2021 | SVRA | P | 50,000 | $1.62 | $81,000 | 861,797 Direct | +6.16% | Acquired | 233.3% (price as of 2026-08-18) |
| March 15, 2021 | SVRA | P | 689,655 | $1.45 | $1,000,000 | 811,797 Direct | +564.63% | Acquired | 272.4% (price as of 2026-08-18) |
| June 28, 2019 | SVRA | P | 5,000 | $2.36 | $11,800 | 122,142 Direct | +4.27% | Acquired | 128.8% (price as of 2026-08-18) |
| June 28, 2019 | SVRA | P | 12,157 | $2.35 | $28,569 | 117,142 Direct | +11.58% | Acquired | 129.8% (price as of 2026-08-18) |
| June 28, 2019 | SVRA | P | 18,000 | $2.33 | $41,940 | 104,985 Direct | +20.69% | Acquired | 131.8% (price as of 2026-08-18) |
| June 27, 2019 | SVRA | P | 2,300 | $2.38 | $5,474 | 86,985 Direct | +2.72% | Acquired | 126.9% (price as of 2026-08-18) |
| June 27, 2019 | SVRA | P | 5,000 | $2.39 | $11,950 | 84,685 Direct | +6.27% | Acquired | 125.9% (price as of 2026-08-18) |
| June 27, 2019 | SVRA | P | 5,000 | $2.40 | $12,000 | 79,685 Direct | +6.69% | Acquired | 125.0% (price as of 2026-08-18) |
| June 27, 2019 | SVRA | P | 5,000 | $2.42 | $12,100 | 74,685 Direct | +7.18% | Acquired | 123.1% (price as of 2026-08-18) |
| June 27, 2019 | SVRA | P | 5,000 | $2.45 | $12,250 | 69,685 Direct | +7.73% | Acquired | 120.4% (price as of 2026-08-18) |
| June 26, 2019 | SVRA | P | 900 | $2.38 | $2,142 | 64,685 Direct | +1.41% | Acquired | 126.9% (price as of 2026-08-18) |
| June 18, 2019 | SVRA | P | 10,215 | $2.35 | $24,005 | 63,785 Direct | +19.07% | Acquired | 129.8% (price as of 2026-08-18) |
| June 18, 2019 | SVRA | P | 5,000 | $2.36 | $11,800 | 53,570 Direct | +10.29% | Acquired | 128.8% (price as of 2026-08-18) |
| June 17, 2019 | SVRA | P | 5,000 | $2.37 | $11,850 | 48,570 Direct | +11.48% | Acquired | 127.8% (price as of 2026-08-18) |
| June 17, 2019 | SVRA | P | 10,000 | $2.38 | $23,800 | 43,570 Direct | +29.79% | Acquired | 126.9% (price as of 2026-08-18) |
| June 17, 2019 | SVRA | P | 10,000 | $2.39 | $23,900 | 33,570 Direct | +42.43% | Acquired | 125.9% (price as of 2026-08-18) |
| June 7, 2017 | SVRA | P | 21,000 | $4.75 | $99,750 | 22,428 Direct | +1470.59% | Acquired | 13.7% (price as of 2026-08-18) |
Showing latest 100 of 177 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 |
|---|---|---|---|---|---|---|---|
| July 1, 2026 | HALO | Option to Purchase Common Stock | Common Stock (39,823) | $77.01 | July 1, 2036 | 39,823 | Acquired |
| July 1, 2026 | HALO | Restricted Stock Units | Common Stock (16,232) | $0.00 | — | 16,232 | Acquired |
| June 30, 2026 | HALO | Restricted Stock Units | Common Stock (10,000) | $0.00 | — | 10,000 | Disposed |
| April 1, 2026 | HALO | Restricted Stock Units | Common Stock (10,000) | $0.00 | — | 10,000 | Acquired |
| Dec. 13, 2022 | SVRA | Stock Option (Right to Buy) | Common Stock (40,000) | $1.51 | Dec. 13, 2032 | 40,000 | Acquired |
| Dec. 14, 2021 | SVRA | Stock Option (Right to Buy) | Common Stock (40,000) | $1.11 | Dec. 14, 2031 | 40,000 | Acquired |
| Dec. 16, 2020 | SVRA | Stock Option (Right to Buy) | Common Stock (40,000) | $1.23 | Dec. 16, 2030 | 40,000 | Acquired |
| Dec. 20, 2019 | SVRA | Stock Option (Right to Buy) | Common Stock (12,000) | $1.59 | Dec. 20, 2029 | 12,000 | Acquired |
| Dec. 13, 2018 | SVRA | Stock Option (Right to Buy) | Common Stock (12,000) | $7.33 | Dec. 13, 2028 | 12,000 | Acquired |
| May 25, 2017 | SVRA | Stock Option (Right to Buy) | Common Stock (3,750) | $5.13 | May 25, 2027 | 3,750 | Acquired |
| April 27, 2017 | SVRA | Restricted Stock Units | Common Stock (1,142) | $0.00 | — | 1,142 | Disposed |
| Jan. 20, 2017 | SVRA | Restricted Stock Units | Common Stock (79,962) | — | — | 79,962 | Acquired |
| June 15, 2016 | SVRA | Stock Option (Right to Buy) | Common Stock (79,551) | $0.43 | June 15, 2026 | 79,551 | Acquired |
| June 11, 2015 | SVRA | Stock Option (Right to Buy) | Common Stock (82,963) | $0.50 | June 11, 2025 | 82,963 | Acquired |
| Feb. 6, 2015 | HALO | Restricted Stock Units | Common Stock (7,088) | $0.00 | Feb. 6, 2024 | 7,088 | Disposed |
| Feb. 4, 2015 | HALO | Restricted Stock Units | Common Stock (28,000) | $0.00 | Feb. 4, 2025 | 28,000 | Acquired |
| Feb. 4, 2015 | HALO | Option to Purchase Common Stock | Common Stock (45,000) | $13.81 | Feb. 4, 2025 | 45,000 | Acquired |
| Feb. 4, 2015 | HALO | Restricted Stock Award | Common Stock (2,213) | $0.00 | Feb. 4, 2023 | 2,213 | Disposed |
| Feb. 2, 2015 | HALO | Restricted Stock Award | Common Stock (3,125) | $0.00 | Feb. 2, 2022 | 3,125 | Disposed |
| Dec. 22, 2014 | HALO | Restricted Stock Units | Common Stock (17,625) | $0.00 | May 22, 2023 | 17,625 | Disposed |
| Dec. 1, 2014 | HALO | Option to Purchase Common Stock | Common Stock (20,058) | $2.02 | Dec. 8, 2014 | 20,058 | Disposed |
| Sept. 16, 2014 | HALO | Option to Purchase Common Stock | Common Stock (50,000) | $2.05 | Oct. 13, 2014 | 50,000 | Disposed |
| June 19, 2014 | SVRA | Stock Option (Right to Buy) | Common Stock (46,609) | $0.65 | June 19, 2024 | 46,609 | Acquired |
| Feb. 6, 2014 | HALO | Restricted Stock Units | Common Stock (28,350) | $0.00 | Feb. 6, 2024 | 28,350 | Acquired |
| Feb. 6, 2014 | HALO | Option to Purchase Common Stock | Common Stock (45,000) | $13.10 | Feb. 6, 2024 | 45,000 | Acquired |
| Feb. 4, 2014 | HALO | Restricted Stock Award | Common Stock (2,213) | $0.00 | Feb. 4, 2023 | 2,213 | Disposed |
| Feb. 2, 2014 | HALO | Restricted Stock Award | Common Stock (3,125) | $0.00 | Feb. 2, 2022 | 3,125 | Disposed |
| Dec. 20, 2013 | HALO | Restricted Stock Units | Common Stock (10,281) | $0.00 | May 22, 2023 | 10,281 | Disposed |
| June 19, 2013 | SVRA | Stock Option (Right to Buy) | Common Stock (62,451) | $0.50 | June 19, 2023 | 62,451 | Acquired |
| July 28, 2012 | SVRA | Stock Option (Right to Buy) | Common Stock (27,310) | $0.66 | July 28, 2022 | 27,310 | Acquired |
| June 15, 2011 | SVRA | Stock Option (Right to Buy) | Common Stock (10,480) | $2.35 | June 14, 2021 | 10,480 | Acquired |
| June 15, 2011 | SVRA | Stock Option (Right to Buy) | Common Stock (10,480) | $2.35 | June 14, 2021 | 10,480 | Acquired |
| Feb. 5, 2009 | HALO | Option to Purchase Common Stock | Common Stock (30,000) | $6.10 | Feb. 5, 2019 | 30,000 | Acquired |
| July 26, 2007 | HALO | Options to Purchase Common Stock | Common Stock (30,000) | $0.39 | Nov. 11, 2013 | 30,000 | Disposed |
| Feb. 5, 2007 | HALO | Option to Purchase Common Stock | Common (12,943) | $7.51 | Feb. 5, 2017 | 12,943 | Acquired |
| Jan. 14, 2005 | HALO | Option to Purchase Common Stock | Common Stock (100,000) | $0.39 | Nov. 11, 2013 | 100,000 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 16 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| May 24, 2013 | HALO | Common Stock | 105,000 | Direct |
| May 24, 2013 | HALO | Option to Purchase Common Stock→ Common Stock (130,000) | 130,000 | Direct |
| May 24, 2013 | HALO | Option to Purchase Common Stock→ Common Stock (20,058) | 20,058 | Direct |
| May 24, 2013 | HALO | Option to Purchase Common Stock→ Common Stock (50,000) | 50,000 | Direct |
| May 24, 2013 | HALO | Option to Purchase Common Stock→ Common Stock (14,697) | 14,697 | Direct |
| May 24, 2013 | HALO | Option to Purchase Common Stock→ Common Stock (24,620) | 24,620 | Direct |
| May 24, 2013 | HALO | Option to Purchase Common Stock→ Common Stock (25,148) | 25,148 | Direct |
| May 24, 2013 | HALO | Option to Purchase Common Stock→ Common Stock (17,700) | 17,700 | Direct |
| May 24, 2013 | HALO | Option to Purchase Common Stock→ Common Stock (15,022) | 15,022 | Direct |
| May 24, 2013 | HALO | Option to Purchase Common Stock→ Common Stock (12,943) | 12,943 | Direct |
| May 24, 2013 | HALO | Option to Purchase Common Stock→ Common Stock (25,000) | 25,000 | Direct |
| May 24, 2013 | HALO | Restricted Stock Award→ Common Stock (9,375) | 9,375 | Direct |
| May 24, 2013 | HALO | Restricted Stock Award→ Common Stock (8,850) | 8,850 | Direct |
| Feb. 11, 2005 | HALO | Common Stock | 256,410 | Direct |
| Feb. 11, 2005 | HALO | Options to Purchase Common Stock→ Common Stock (484,950) | 484,950 | Direct |
| March 19, 2004 | HALO | Common Stock | 256,410 | Direct |