Insider at

04

Insider transactions

05
0 buys (P) 87 sells (S) Net: $-3,255,563 + 10 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

10 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
July 7, 2026 HOWL S 10b5-1 107,429 $0.31 $33,303 0 Indirect -100.00% Disposed 199.4% (price as of 2026-10-02)
July 6, 2026 HOWL S 10b5-1 35,770 $0.32 $11,446 107,429 Indirect -24.98% Disposed 190.0% (price as of 2026-10-02)
June 29, 2026 HOWL S 10b5-1 157,084 $0.30 $47,125 143,199 Indirect -52.31% Disposed 209.4% (price as of 2026-10-02)
June 9, 2026 HOWL S 10b5-1 76,928 $0.37 $28,463 300,283 Indirect -20.39% Disposed 150.8% (price as of 2026-10-02)
June 8, 2026 HOWL S 10b5-1 60,547 $0.40 $24,219 377,211 Indirect -13.83% Disposed 132.0% (price as of 2026-10-02)
June 5, 2026 HOWL S 10b5-1 24,946 $0.40 $9,978 437,758 Indirect -5.39% Disposed 132.0% (price as of 2026-10-02)
June 4, 2026 HOWL S 10b5-1 20,072 $0.44 $8,832 462,704 Indirect -4.16% Disposed 110.9% (price as of 2026-10-02)
June 3, 2026 HOWL S 10b5-1 29,749 $0.42 $12,495 482,776 Indirect -5.80% Disposed 121.0% (price as of 2026-10-02)
June 2, 2026 HOWL S 10b5-1 29,595 $0.45 $13,318 512,525 Indirect -5.46% Disposed 106.2% (price as of 2026-10-02)
June 1, 2026 HOWL S 10b5-1 80,459 $0.47 $37,816 542,120 Indirect -12.92% Disposed 97.5% (price as of 2026-10-02)
May 29, 2026 HOWL S 10b5-1 32,556 $0.45 $14,650 622,579 Indirect -4.97% Disposed 106.2% (price as of 2026-10-02)
May 28, 2026 HOWL S 10b5-1 27,698 $0.46 $12,741 655,135 Indirect -4.06% Disposed 101.8% (price as of 2026-10-02)
May 27, 2026 HOWL S 10b5-1 80,852 $0.48 $38,809 682,833 Indirect -10.59% Disposed 93.4% (price as of 2026-10-02)
May 26, 2026 HOWL S 10b5-1 67,950 $0.47 $31,936 763,685 Indirect -8.17% Disposed 97.5% (price as of 2026-10-02)
May 22, 2026 HOWL S 10b5-1 87,425 $0.45 $39,341 831,635 Indirect -9.51% Disposed 106.2% (price as of 2026-10-02)
May 21, 2026 HOWL S 10b5-1 36,387 $0.42 $15,283 919,060 Indirect -3.81% Disposed 121.0% (price as of 2026-10-02)
May 20, 2026 HOWL S 10b5-1 85,895 $0.43 $36,935 955,447 Indirect -8.25% Disposed 115.8% (price as of 2026-10-02)
May 19, 2026 HOWL S 10b5-1 62,970 $0.45 $28,336 1,041,342 Indirect -5.70% Disposed 106.2% (price as of 2026-10-02)
May 18, 2026 HOWL S 10b5-1 22,184 $0.50 $11,092 1,104,312 Indirect -1.97% Disposed 85.6% (price as of 2026-10-02)
May 13, 2026 HOWL S 10b5-1 44,679 $0.54 $24,127 1,126,496 Indirect -3.81% Disposed 71.9% (price as of 2026-10-02)
May 12, 2026 HOWL S 10b5-1 67,885 $0.64 $43,446 1,171,175 Indirect -5.48% Disposed 45.0% (price as of 2026-10-02)
May 11, 2026 HOWL S 10b5-1 33,948 $0.67 $22,745 1,239,060 Indirect -2.67% Disposed 38.5% (price as of 2026-10-02)
May 8, 2026 HOWL S 10b5-1 305,741 $0.70 $214,019 1,273,008 Indirect -19.37% Disposed 32.6% (price as of 2026-10-02)
May 7, 2026 HOWL S 10b5-1 79,086 $0.63 $49,824 1,578,749 Indirect -4.77% Disposed 47.3% (price as of 2026-10-02)
May 6, 2026 HOWL S 10b5-1 14,635 $0.66 $9,659 1,657,835 Indirect -0.88% Disposed 40.6% (price as of 2026-10-02)
May 5, 2026 HOWL S 10b5-1 6,860 $0.69 $4,733 1,672,470 Indirect -0.41% Disposed 34.5% (price as of 2026-10-02)
May 4, 2026 HOWL S 10b5-1 47,963 $0.72 $34,533 1,679,330 Indirect -2.78% Disposed 28.9% (price as of 2026-10-02)
May 1, 2026 HOWL S 10b5-1 58,394 $0.73 $42,628 1,727,293 Indirect -3.27% Disposed 27.1% (price as of 2026-10-02)
April 30, 2026 HOWL S 10b5-1 168,262 $0.72 $121,149 1,785,687 Indirect -8.61% Disposed 28.9% (price as of 2026-10-02)
April 29, 2026 HOWL S 10b5-1 56,559 $0.69 $39,026 1,953,949 Indirect -2.81% Disposed 34.5% (price as of 2026-10-02)
April 28, 2026 HOWL S 10b5-1 95,412 $0.73 $69,651 2,010,508 Indirect -4.53% Disposed 27.1% (price as of 2026-10-02)
April 27, 2026 HOWL S 10b5-1 53,940 $0.85 $45,849 2,105,920 Indirect -2.50% Disposed 9.2% (price as of 2026-10-02)
Jan. 16, 2026 HOWL S 10b5-1 38,782 $0.54 $20,942 2,159,860 Indirect -1.76% Disposed 71.9% (price as of 2026-10-02)
Jan. 15, 2026 HOWL S 10b5-1 37,413 $0.55 $20,577 2,198,642 Indirect -1.67% Disposed 68.7% (price as of 2026-10-02)
Jan. 14, 2026 HOWL S 10b5-1 30,616 $0.57 $17,451 2,236,055 Indirect -1.35% Disposed 62.8% (price as of 2026-10-02)
Jan. 13, 2026 HOWL S 10b5-1 43,198 $0.55 $23,759 2,266,671 Indirect -1.87% Disposed 68.7% (price as of 2026-10-02)
Jan. 12, 2026 HOWL S 10b5-1 58,980 $0.57 $33,619 2,309,869 Indirect -2.49% Disposed 62.8% (price as of 2026-10-02)
Jan. 9, 2026 HOWL S 10b5-1 24,678 $0.61 $15,054 2,368,849 Indirect -1.03% Disposed 52.1% (price as of 2026-10-02)
Jan. 8, 2026 HOWL S 10b5-1 7,716 $0.63 $4,861 2,393,527 Indirect -0.32% Disposed 47.3% (price as of 2026-10-02)
Jan. 7, 2026 HOWL S 10b5-1 11,915 $0.64 $7,626 2,401,243 Indirect -0.49% Disposed 45.0% (price as of 2026-10-02)
Jan. 6, 2026 HOWL S 10b5-1 40,761 $0.65 $26,495 2,413,158 Indirect -1.66% Disposed 42.8% (price as of 2026-10-02)
Jan. 5, 2026 HOWL S 10b5-1 18,378 $0.64 $11,762 2,453,919 Indirect -0.74% Disposed 45.0% (price as of 2026-10-02)
Jan. 2, 2026 HOWL S 10b5-1 18,568 $0.63 $11,698 2,472,297 Indirect -0.75% Disposed 47.3% (price as of 2026-10-02)
Dec. 31, 2025 HOWL S 10b5-1 24,962 $0.62 $15,476 2,490,865 Indirect -0.99% Disposed 49.7% (price as of 2026-10-02)
Dec. 30, 2025 HOWL S 10b5-1 34,847 $0.61 $21,257 2,515,827 Indirect -1.37% Disposed 52.1% (price as of 2026-10-02)
Dec. 29, 2025 HOWL S 10b5-1 108,606 $0.61 $66,250 2,550,674 Indirect -4.08% Disposed 52.1% (price as of 2026-10-02)
Dec. 26, 2025 HOWL S 10b5-1 35,632 $0.63 $22,448 2,659,280 Indirect -1.32% Disposed 47.3% (price as of 2026-10-02)
Dec. 24, 2025 HOWL S 10b5-1 16,310 $0.65 $10,602 2,694,912 Indirect -0.60% Disposed 42.8% (price as of 2026-10-02)
Dec. 23, 2025 HOWL S 10b5-1 71,428 $0.63 $45,000 2,711,222 Indirect -2.57% Disposed 47.3% (price as of 2026-10-02)
Dec. 22, 2025 HOWL S 10b5-1 59,307 $0.69 $40,922 2,782,650 Indirect -2.09% Disposed 34.5% (price as of 2026-10-02)
Dec. 17, 2025 HOWL S 10b5-1 9,983 $1.14 $11,381 2,841,957 Indirect -0.35% Disposed -18.6% (price as of 2026-10-02)
Dec. 16, 2025 HOWL S 10b5-1 14,548 $1.05 $15,275 2,851,940 Indirect -0.51% Disposed -11.6% (price as of 2026-10-02)
Dec. 15, 2025 HOWL S 10b5-1 23,640 $1.07 $25,295 2,866,488 Indirect -0.82% Disposed -13.3% (price as of 2026-10-02)
Dec. 12, 2025 HOWL S 10b5-1 17,858 $1.08 $19,287 2,890,128 Indirect -0.61% Disposed -14.1% (price as of 2026-10-02)
Dec. 11, 2025 HOWL S 10b5-1 28,009 $1.07 $29,970 2,907,986 Indirect -0.95% Disposed -13.3% (price as of 2026-10-02)
Dec. 10, 2025 HOWL S 10b5-1 37,104 $1.06 $39,330 2,935,995 Indirect -1.25% Disposed -12.4% (price as of 2026-10-02)
Dec. 9, 2025 HOWL S 10b5-1 44,570 $1.01 $45,016 2,973,099 Indirect -1.48% Disposed -8.1% (price as of 2026-10-02)
Dec. 8, 2025 HOWL S 10b5-1 34,041 $0.99 $33,701 3,017,669 Indirect -1.12% Disposed -6.3% (price as of 2026-10-02)
Dec. 5, 2025 HOWL S 10b5-1 16,568 $0.97 $16,071 3,051,710 Indirect -0.54% Disposed -4.3% (price as of 2026-10-02)
Dec. 4, 2025 HOWL S 10b5-1 53,416 $0.97 $51,814 3,068,278 Indirect -1.71% Disposed -4.3% (price as of 2026-10-02)
Dec. 3, 2025 HOWL S 10b5-1 36,726 $0.87 $31,952 3,121,694 Indirect -1.16% Disposed 6.7% (price as of 2026-10-02)
Dec. 2, 2025 HOWL S 10b5-1 38,043 $0.89 $33,858 3,158,420 Indirect -1.19% Disposed 4.3% (price as of 2026-10-02)
Dec. 1, 2025 HOWL S 10b5-1 39,096 $0.94 $36,750 3,196,463 Indirect -1.21% Disposed -1.3% (price as of 2026-10-02)
Nov. 28, 2025 HOWL S 10b5-1 13,014 $0.99 $12,884 3,235,559 Indirect -0.40% Disposed -6.3% (price as of 2026-10-02)
Nov. 26, 2025 HOWL S 10b5-1 38,978 $0.98 $38,198 3,248,573 Indirect -1.19% Disposed -5.3% (price as of 2026-10-02)
Nov. 25, 2025 HOWL S 10b5-1 27,297 $0.92 $25,113 3,287,551 Indirect -0.82% Disposed 0.9% (price as of 2026-10-02)
Nov. 24, 2025 HOWL S 10b5-1 56,992 $0.98 $55,852 3,314,848 Indirect -1.69% Disposed -5.3% (price as of 2026-10-02)
Nov. 21, 2025 HOWL S 10b5-1 41,287 $0.83 $34,268 3,371,840 Indirect -1.21% Disposed 11.8% (price as of 2026-10-02)
Nov. 20, 2025 HOWL S 10b5-1 26,411 $0.89 $23,506 3,413,127 Indirect -0.77% Disposed 4.3% (price as of 2026-10-02)
Nov. 19, 2025 HOWL S 10b5-1 42,566 $0.94 $40,012 3,439,538 Indirect -1.22% Disposed -1.3% (price as of 2026-10-02)
Nov. 18, 2025 HOWL S 10b5-1 33,776 $0.93 $31,412 3,482,104 Indirect -0.96% Disposed -0.2% (price as of 2026-10-02)
Nov. 17, 2025 HOWL S 10b5-1 36,621 $0.95 $34,790 3,515,880 Indirect -1.03% Disposed -2.3% (price as of 2026-10-02)
Nov. 14, 2025 HOWL S 10b5-1 39,560 $0.93 $36,791 3,552,501 Indirect -1.10% Disposed -0.2% (price as of 2026-10-02)
Nov. 13, 2025 HOWL S 10b5-1 58,372 $0.98 $57,205 3,592,061 Indirect -1.60% Disposed -5.3% (price as of 2026-10-02)
Nov. 12, 2025 HOWL S 10b5-1 26,101 $1.09 $28,450 3,650,433 Indirect -0.71% Disposed -14.9% (price as of 2026-10-02)
Nov. 11, 2025 HOWL S 10b5-1 35,818 $1.14 $40,833 3,676,534 Indirect -0.96% Disposed -18.6% (price as of 2026-10-02)
Nov. 10, 2025 HOWL S 10b5-1 31,172 $1.18 $36,783 3,712,352 Indirect -0.83% Disposed -21.3% (price as of 2026-10-02)
Nov. 7, 2025 HOWL S 10b5-1 43,950 $1.11 $48,784 3,743,524 Indirect -1.16% Disposed -16.4% (price as of 2026-10-02)
Nov. 6, 2025 HOWL S 10b5-1 34,947 $1.21 $42,286 3,787,474 Indirect -0.91% Disposed -23.3% (price as of 2026-10-02)
Nov. 5, 2025 HOWL S 10b5-1 30,774 $1.22 $37,544 3,822,421 Indirect -0.80% Disposed -23.9% (price as of 2026-10-02)
Nov. 4, 2025 HOWL S 10b5-1 90,164 $1.22 $110,000 3,853,195 Indirect -2.29% Disposed -23.9% (price as of 2026-10-02)
Nov. 3, 2025 HOWL S 10b5-1 60,369 $1.29 $77,876 3,943,359 Indirect -1.51% Disposed -28.1% (price as of 2026-10-02)
Oct. 31, 2025 HOWL S 10b5-1 73,192 $1.28 $93,686 4,003,728 Indirect -1.80% Disposed -27.5% (price as of 2026-10-02)
Oct. 30, 2025 HOWL S 10b5-1 55,795 $1.43 $79,787 4,076,920 Indirect -1.35% Disposed -35.1% (price as of 2026-10-02)
Oct. 29, 2025 HOWL S 10b5-1 86,154 $1.55 $133,539 4,132,715 Indirect -2.04% Disposed -40.1% (price as of 2026-10-02)
Oct. 28, 2025 HOWL S 10b5-1 44,327 $1.64 $72,696 4,218,869 Indirect -1.04% Disposed -43.4% (price as of 2026-10-02)
Oct. 27, 2025 HOWL S 10b5-1 46,664 $1.72 $80,262 4,263,196 Indirect -1.08% Disposed -46.0% (price as of 2026-10-02)
March 27, 2025 HOWL S 2,425 $1.05 $2,546 4,309,860 Indirect -0.06% Disposed -11.6% (price as of 2026-10-02)
May 4, 2021 HOWL P 150,799 $16.00 $2,412,784 4,284,172 Indirect +3.65% Acquired -94.2% (price as of 2026-10-02)
Dec. 23, 2020 HOWL P 7,939,970 · · 7,939,970 Indirect · Acquired (price as of 2026-10-02)

Showing latest 100 of 150 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
June 12, 2025 HOWL Stock Option (right to buy) Common Stock (27,000) $1.29 June 11, 2035 27,000 Acquired
March 27, 2025 HOWL Warrant (Right to Buy) Common Stock (4,015) $0.09 April 9, 2025 4,015 Disposed
March 27, 2025 HOWL Warrant (Right to Buy) Common Stock (24,098) $0.09 Aug. 13, 2025 24,098 Disposed
May 24, 2024 HOWL Stock Option (right to buy) Common Stock (17,500) $4.88 May 23, 2034 17,500 Acquired
June 21, 2023 HOWL Stock Option (right to buy) Common Stock (13,200) $2.81 June 20, 2033 13,200 Acquired
June 1, 2022 HOWL Stock Option (right to buy) Common Stock (11,600) $3.43 May 31, 2032 11,600 Acquired
May 4, 2021 HOWL Series B Preferred Stock Common Stock · · 7,939,970 Disposed
May 4, 2021 HOWL Series A Preferred Stock Common Stock · · 23,892,677 Disposed
April 30, 2021 HOWL Stock Option (Right to Buy) Common Stock (23,200) $16.00 April 29, 2031 23,200 Acquired
Dec. 23, 2020 HOWL Series B Preferred Stock Common Stock (915,892) · · 7,939,970 Acquired
May 23, 2018 SNDX Stock Option (Right to Buy) Common Stock (14,000) $8.93 May 23, 2028 14,000 Acquired
Feb. 8, 2018 SNDX Stock Option (Right to Buy) Common Stock (10,000) $9.63 Feb. 8, 2028 10,000 Acquired
May 17, 2017 SNDX Stock Option (Right to Buy) Common Stock (10,000) $13.58 May 17, 2027 10,000 Acquired
May 17, 2017 SNDX Stock Option (Right to Buy) Common Stock (5,000) $13.58 May 17, 2027 5,000 Acquired
Oct. 31, 2016 SNDX Stock Option (Right to Buy) Common Stock (8,000) $11.81 Oct. 31, 2026 8,000 Acquired
March 8, 2016 SNDX Series C-1 Preferred Stock Common Stock (312,085) · · 312,085 Disposed
March 8, 2016 SNDX Series B-1 Preferred Stock Common Stock (718,396) · · 718,396 Disposed
March 8, 2016 SNDX Series A-1 Preferred Stock Common Stock (1,138,210) · · 1,138,210 Disposed
June 12, 2013 PCRX Director Stock Option (Right to Buy) Common Stock (7,000) $29.90 June 12, 2023 7,000 Acquired
April 12, 2013 PCRX Common Stock Warrants (Right to Buy) Common Stock (37,192) $2.69 Jan. 21, 2014 37,192 Disposed
June 5, 2012 PCRX Director Stock Option (Right to Buy) Common Stock (7,000) $10.81 June 5, 2022 7,000 Acquired
Feb. 8, 2012 PCRX Series A Convertible Preferred Stock Common Stock · · 1,487,680 Disposed
Feb. 8, 2012 PCRX Convertible Promissory Note Common Stock $13.44 · 712,567 Disposed
June 2, 2011 PCRX Director Stock Option (Right to Buy) Common Stock (15,692) $13.98 June 2, 2021 15,692 Acquired
Feb. 8, 2011 PCRX Convertible Promissory Note Common Stock $13.44 · 712,567 Disposed
Feb. 8, 2011 PCRX Series A Convertible Preferred Stock Common Stock · · 1,487,680 Disposed

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 18 holdings

07

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

DateTickerSecuritySharesOwnership
April 29, 2021 HOWL Common Stock 461,408 Indirect
April 29, 2021 HOWL Series A Preferred Stock→ Common Stock (2,756,073) 2,756,073 Indirect
April 29, 2021 HOWL Series B Preferred Stock→ Common Stock (915,892) 915,892 Indirect
April 29, 2021 HOWL Warrant (Right to Buy)→ Common Stock (4,015) 4,015 Indirect
April 29, 2021 HOWL Warrant (Right to Buy)→ Common Stock (4,015) 4,015 Indirect
April 29, 2021 HOWL Warrant (Right to Buy)→ Common Stock (24,098) 24,098 Indirect
March 2, 2016 SNDX Series A-1 Preferred Stock→ Common Stock (1,138,210) 1,138,210 Indirect
March 2, 2016 SNDX Series B-1 Preferred Stock→ Common Stock (718,396) 718,396 Indirect
March 2, 2016 SNDX Series C-1 Preferred Stock→ Common Stock (312,085) 312,085 Indirect
March 2, 2016 SNDX Stock Option (right to buy)→ Common Stock (10,167) 10,167 Direct
March 2, 2016 SNDX Stock Option (right to buy)→ Common Stock (16,800) 16,800 Direct
Feb. 2, 2011 PCRX Common Stock 92,980 Indirect
Feb. 2, 2011 PCRX Warrant (Right to Buy)→ Common Stock (37,190) 37,190 Indirect
Feb. 2, 2011 PCRX Warrant (Right to Buy)→ Common Stock (41,840) 41,840 Indirect
Feb. 2, 2011 PCRX Series A Convertible Preferred Stock→ Common Stock (1,487,680) 1,487,680 Indirect
Feb. 2, 2011 PCRX Convertible Promissory Note→ Common Stock (712,567) 712,567 Indirect
Feb. 2, 2011 PCRX Stock Option (Right to Buy)→ Common Stock (4,649) 4,649 Direct
Feb. 2, 2011 PCRX Stock Option (Right to Buy)→ Common Stock (1,394) 1,394 Direct