Insider at

04

Insider transactions

05
0 buys (P) 1 sells (S) Net: $-121,200 + 27 non-open-market transactions below 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

27 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Dec. 19, 2025 SVRA S 20,000 $6.06 $121,200 2,533,642 Direct -0.78% Disposed -20.6% (price as of 2026-10-02)
March 31, 2025 SVRA P 150,000 $2.78 $417,000 2,513,642 Direct +6.35% Acquired 73.0% (price as of 2026-10-02)
Nov. 18, 2024 SVRA P 100,000 $2.88 $288,000 2,323,642 Direct +4.50% Acquired 67.0% (price as of 2026-10-02)
May 26, 2023 SVRA P 37,124 $2.63 $97,636 2,201,142 Direct +1.72% Acquired 82.9% (price as of 2026-10-02)
May 25, 2023 SVRA P 12,876 $2.57 $33,091 2,164,018 Direct +0.60% Acquired 87.2% (price as of 2026-10-02)
May 24, 2023 SVRA P 50,000 $2.56 $128,000 2,151,142 Direct +2.38% Acquired 87.9% (price as of 2026-10-02)
Dec. 30, 2022 SVRA P 29,000 $1.55 $44,950 2,101,142 Direct +1.40% Acquired 210.3% (price as of 2026-10-02)
Dec. 29, 2022 SVRA P 7,000 $1.54 $10,780 2,072,142 Direct +0.34% Acquired 212.3% (price as of 2026-10-02)
Dec. 28, 2022 SVRA P 3,293 $1.50 $4,940 2,065,142 Direct +0.16% Acquired 220.7% (price as of 2026-10-02)
Dec. 23, 2022 SVRA P 15,707 $1.44 $22,618 2,061,849 Direct +0.77% Acquired 234.0% (price as of 2026-10-02)
Dec. 22, 2022 SVRA P 41,414 $1.48 $61,293 2,046,142 Direct +2.07% Acquired 225.0% (price as of 2026-10-02)
Dec. 20, 2022 SVRA P 3,586 $1.48 $5,307 2,004,728 Direct +0.18% Acquired 225.0% (price as of 2026-10-02)
Dec. 20, 2022 SVRA P 13,830 $1.50 $20,745 2,001,142 Direct +0.70% Acquired 220.7% (price as of 2026-10-02)
Dec. 19, 2022 SVRA P 40,719 $1.49 $60,671 1,987,312 Direct +2.09% Acquired 222.8% (price as of 2026-10-02)
Dec. 16, 2022 SVRA P 341 $1.50 $512 1,946,593 Direct +0.02% Acquired 220.7% (price as of 2026-10-02)
Nov. 23, 2022 SVRA P 4,610 $1.44 $6,638 1,946,252 Direct +0.24% Acquired 234.0% (price as of 2026-10-02)
Nov. 22, 2022 SVRA P 15,495 $1.42 $22,003 1,941,642 Direct +0.80% Acquired 238.7% (price as of 2026-10-02)
Nov. 21, 2022 SVRA P 25,005 $1.42 $35,507 1,926,147 Direct +1.32% Acquired 238.7% (price as of 2026-10-02)
Nov. 18, 2022 SVRA P 16,100 $1.34 $21,574 1,901,142 Direct +0.85% Acquired 259.0% (price as of 2026-10-02)
Nov. 17, 2022 SVRA P 8,900 $1.27 $11,303 1,885,042 Direct +0.47% Acquired 278.7% (price as of 2026-10-02)
Sept. 27, 2022 SVRA P 73,893 $1.37 $101,233 1,876,142 Direct +4.10% Acquired 251.1% (price as of 2026-10-02)
Sept. 26, 2022 SVRA P 31,107 $1.38 $42,928 1,802,249 Direct +1.76% Acquired 248.6% (price as of 2026-10-02)
Sept. 23, 2022 SVRA P 30,000 $1.42 $42,600 1,771,142 Direct +1.72% Acquired 238.7% (price as of 2026-10-02)
Sept. 20, 2022 SVRA P 600 $1.45 $870 1,741,142 Direct +0.03% Acquired 231.7% (price as of 2026-10-02)
Sept. 19, 2022 SVRA P 1,400 $1.46 $2,044 1,740,542 Direct +0.08% Acquired 229.5% (price as of 2026-10-02)
Sept. 16, 2022 SVRA P 6,000 $1.44 $8,640 1,739,142 Direct +0.35% Acquired 234.0% (price as of 2026-10-02)
Sept. 8, 2022 SVRA P 29,000 $1.40 $40,600 1,733,142 Direct +1.70% Acquired 243.6% (price as of 2026-10-02)
Sept. 7, 2022 SVRA P 2,130 $1.38 $2,939 1,704,142 Direct +0.13% Acquired 248.6% (price as of 2026-10-02)
Sept. 6, 2022 SVRA P 870 $1.38 $1,201 1,702,012 Direct +0.05% Acquired 248.6% (price as of 2026-10-02)
Sept. 1, 2022 SVRA P 39,768 $1.42 $56,471 1,701,142 Direct +2.39% Acquired 238.7% (price as of 2026-10-02)
Aug. 31, 2022 SVRA P 39,494 $1.42 $56,081 1,661,374 Direct +2.44% Acquired 238.7% (price as of 2026-10-02)
Aug. 30, 2022 SVRA P 20,738 $1.41 $29,241 1,621,880 Direct +1.30% Acquired 241.1% (price as of 2026-10-02)
June 22, 2022 SVRA P 39,000 $1.44 $56,160 1,601,142 Direct +2.50% Acquired 234.0% (price as of 2026-10-02)
June 21, 2022 SVRA P 21,094 $1.38 $29,110 1,562,142 Direct +1.37% Acquired 248.6% (price as of 2026-10-02)
June 17, 2022 SVRA P 39,906 $1.33 $53,075 1,541,048 Direct +2.66% Acquired 261.7% (price as of 2026-10-02)
Dec. 30, 2021 SVRA P 35,000 $1.30 $45,500 1,501,142 Direct +2.39% Acquired 270.0% (price as of 2026-10-02)
Dec. 29, 2021 SVRA P 15,000 $1.25 $18,750 1,466,142 Direct +1.03% Acquired 284.8% (price as of 2026-10-02)
Dec. 17, 2021 SVRA P 25,000 $1.13 $28,250 1,451,142 Direct +1.75% Acquired 325.7% (price as of 2026-10-02)
Dec. 15, 2021 SVRA P 15,000 $1.08 $16,200 1,426,142 Direct +1.06% Acquired 345.4% (price as of 2026-10-02)
Dec. 10, 2021 SVRA P 35,000 $1.04 $36,400 1,411,142 Direct +2.54% Acquired 362.5% (price as of 2026-10-02)
Dec. 8, 2021 SVRA P 13,157 $1.05 $13,815 1,376,142 Direct +0.97% Acquired 358.1% (price as of 2026-10-02)
Dec. 7, 2021 SVRA P 11,843 $1.05 $12,435 1,362,985 Direct +0.88% Acquired 358.1% (price as of 2026-10-02)
Dec. 2, 2021 SVRA P 21,394 $1.09 $23,319 1,351,142 Direct +1.61% Acquired 341.3% (price as of 2026-10-02)
Dec. 1, 2021 SVRA P 3,606 $1.08 $3,894 1,329,748 Direct +0.27% Acquired 345.4% (price as of 2026-10-02)
Dec. 1, 2021 SVRA P 9,000 $1.08 $9,720 1,326,142 Direct +0.68% Acquired 345.4% (price as of 2026-10-02)
Nov. 30, 2021 SVRA P 16,000 $1.09 $17,440 1,317,142 Direct +1.23% Acquired 341.3% (price as of 2026-10-02)
Nov. 22, 2021 SVRA P 90,000 $1.08 $97,200 1,301,142 Direct +7.43% Acquired 345.4% (price as of 2026-10-02)
Nov. 19, 2021 SVRA P 49,800 $1.07 $53,286 1,211,142 Direct +4.29% Acquired 349.5% (price as of 2026-10-02)
Nov. 18, 2021 SVRA P 60,200 $1.08 $65,016 1,161,342 Direct +5.47% Acquired 345.4% (price as of 2026-10-02)
Sept. 30, 2021 SVRA P 50,000 $1.30 $65,000 1,101,142 Direct +4.76% Acquired 270.0% (price as of 2026-10-02)
Sept. 29, 2021 SVRA P 47,500 $1.28 $60,800 1,051,142 Direct +4.73% Acquired 275.8% (price as of 2026-10-02)
Sept. 28, 2021 SVRA P 39,552 $1.28 $50,627 1,003,642 Direct +4.10% Acquired 275.8% (price as of 2026-10-02)
Aug. 18, 2021 SVRA P 17,788 $1.22 $21,701 964,090 Direct +1.88% Acquired 294.3% (price as of 2026-10-02)
Aug. 18, 2021 SVRA P 12,948 $1.18 $15,279 946,302 Direct +1.39% Acquired 307.6% (price as of 2026-10-02)
Aug. 17, 2021 SVRA P 66,554 $1.18 $78,534 933,354 Direct +7.68% Acquired 307.6% (price as of 2026-10-02)
May 19, 2021 SVRA P 5,003 $1.58 $7,905 866,800 Direct +0.58% Acquired 204.4% (price as of 2026-10-02)
May 18, 2021 SVRA P 50,000 $1.62 $81,000 861,797 Direct +6.16% Acquired 196.9% (price as of 2026-10-02)
March 15, 2021 SVRA P 689,655 $1.45 $1,000,000 811,797 Direct +564.63% Acquired 231.7% (price as of 2026-10-02)
June 28, 2019 SVRA P 5,000 $2.36 $11,800 122,142 Direct +4.27% Acquired 103.8% (price as of 2026-10-02)
June 28, 2019 SVRA P 12,157 $2.35 $28,569 117,142 Direct +11.58% Acquired 104.7% (price as of 2026-10-02)
June 28, 2019 SVRA P 18,000 $2.33 $41,940 104,985 Direct +20.69% Acquired 106.4% (price as of 2026-10-02)
June 27, 2019 SVRA P 2,300 $2.38 $5,474 86,985 Direct +2.72% Acquired 102.1% (price as of 2026-10-02)
June 27, 2019 SVRA P 5,000 $2.39 $11,950 84,685 Direct +6.27% Acquired 101.3% (price as of 2026-10-02)
June 27, 2019 SVRA P 5,000 $2.40 $12,000 79,685 Direct +6.69% Acquired 100.4% (price as of 2026-10-02)
June 27, 2019 SVRA P 5,000 $2.42 $12,100 74,685 Direct +7.18% Acquired 98.8% (price as of 2026-10-02)
June 27, 2019 SVRA P 5,000 $2.45 $12,250 69,685 Direct +7.73% Acquired 96.3% (price as of 2026-10-02)
June 26, 2019 SVRA P 900 $2.38 $2,142 64,685 Direct +1.41% Acquired 102.1% (price as of 2026-10-02)
June 18, 2019 SVRA P 10,215 $2.35 $24,005 63,785 Direct +19.07% Acquired 104.7% (price as of 2026-10-02)
June 18, 2019 SVRA P 5,000 $2.36 $11,800 53,570 Direct +10.29% Acquired 103.8% (price as of 2026-10-02)
June 17, 2019 SVRA P 5,000 $2.37 $11,850 48,570 Direct +11.48% Acquired 103.0% (price as of 2026-10-02)
June 17, 2019 SVRA P 10,000 $2.38 $23,800 43,570 Direct +29.79% Acquired 102.1% (price as of 2026-10-02)
June 17, 2019 SVRA P 10,000 $2.39 $23,900 33,570 Direct +42.43% Acquired 101.3% (price as of 2026-10-02)
June 7, 2017 SVRA P 21,000 $4.75 $99,750 22,428 Direct +1470.59% Acquired 1.3% (price as of 2026-10-02)

Showing latest 100 of 185 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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/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
Sept. 16, 2013 HALO Option to Purchase Common Stock Common Stock (130,000) $0.39 Nov. 11, 2013 130,000 Disposed
June 19, 2013 SVRA Stock Option (Right to Buy) Common Stock (62,451) $0.50 June 19, 2023 62,451 Acquired
May 22, 2013 HALO Option to Purchase Common Stock Common Stock (117,500) $7.17 May 22, 2023 117,500 Acquired
May 22, 2013 HALO Restricted Stock Units Common Stock (70,500) $0.00 May 22, 2023 70,500 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
Feb. 6, 2008 HALO Option to Purchase Common Stock Common Stock (28,800) $5.60 Feb. 6, 2018 28,800 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

07

Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
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