Richard Buchholz

CIK 1737133 · View on SEC EDGAR ↗

Insider

First SEC filing: Feb. 11, 2026 · Latest: Feb. 11, 2026

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Insider at

Insider transactions

0 buys (P) 1 sells (S) Net: $-1,027,290 + 73 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

73 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Aug. 29, 2025 INSP S 11,000 $93.39 $1,027,290 44,867 Direct -19.69% Disposed -35.0% (price as of 2026-08-21)
April 17, 2024 INSP S 10b5-1 15,000 $230.03 $3,450,450 28,271 Direct -34.67% Disposed -73.6% (price as of 2026-08-21)
Jan. 13, 2023 INSP S 10b5-1 11,977 $250.03 $2,994,609 34,387 Direct -25.83% Disposed -75.7% (price as of 2026-08-21)
Jan. 11, 2023 INSP S 10b5-1 523 $250.00 $130,750 46,364 Direct -1.12% Disposed -75.7% (price as of 2026-08-21)
April 1, 2022 INSP S 10b5-1 101 $255.99 $25,855 47,176 Direct -0.21% Disposed -76.3% (price as of 2026-08-21)
April 1, 2022 INSP S 10b5-1 4,037 $257.90 $1,041,142 47,277 Direct -7.87% Disposed -76.5% (price as of 2026-08-21)
April 1, 2022 INSP S 10b5-1 5,362 $258.50 $1,386,077 51,314 Direct -9.46% Disposed -76.5% (price as of 2026-08-21)
April 1, 2022 INSP S 10b5-1 5,500 $259.46 $1,427,030 56,676 Direct -8.85% Disposed -76.6% (price as of 2026-08-21)
Feb. 25, 2021 INSP S 10b5-1 400 $228.30 $91,320 45,769 Direct -0.87% Disposed -73.4% (price as of 2026-08-21)
Feb. 25, 2021 INSP S 10b5-1 1,000 $227.44 $227,440 46,169 Direct -2.12% Disposed -73.3% (price as of 2026-08-21)
Feb. 25, 2021 INSP S 10b5-1 4,401 $226.68 $997,619 47,169 Direct -8.53% Disposed -73.2% (price as of 2026-08-21)
Feb. 25, 2021 INSP S 10b5-1 7,817 $225.74 $1,764,610 51,570 Direct -13.16% Disposed -73.1% (price as of 2026-08-21)
Feb. 25, 2021 INSP S 10b5-1 5,682 $224.78 $1,277,200 59,387 Direct -8.73% Disposed -73.0% (price as of 2026-08-21)
Feb. 25, 2021 INSP S 10b5-1 700 $223.74 $156,618 65,069 Direct -1.06% Disposed -72.9% (price as of 2026-08-21)
Dec. 15, 2020 INSP S 10b5-1 1,853 $191.76 $355,331 65,651 Direct -2.75% Disposed -68.3% (price as of 2026-08-21)
Dec. 15, 2020 INSP S 10b5-1 200 $190.53 $38,106 67,504 Direct -0.30% Disposed -68.1% (price as of 2026-08-21)
Dec. 15, 2020 INSP S 10b5-1 47 $189.36 $8,900 67,704 Direct -0.07% Disposed -67.9% (price as of 2026-08-21)
Dec. 15, 2020 INSP S 10b5-1 800 $188.44 $150,752 67,751 Direct -1.17% Disposed -67.8% (price as of 2026-08-21)
Dec. 15, 2020 INSP S 10b5-1 100 $185.00 $18,500 68,551 Direct -0.15% Disposed -67.2% (price as of 2026-08-21)
Nov. 17, 2020 INSP S 10b5-1 331 $173.45 $57,412 68,651 Direct -0.48% Disposed -65.0% (price as of 2026-08-21)
Nov. 17, 2020 INSP S 10b5-1 1,929 $172.19 $332,155 68,982 Direct -2.72% Disposed -64.8% (price as of 2026-08-21)
Nov. 17, 2020 INSP S 10b5-1 340 $170.46 $57,956 70,911 Direct -0.48% Disposed -64.4% (price as of 2026-08-21)
Nov. 17, 2020 INSP S 10b5-1 300 $169.09 $50,727 71,251 Direct -0.42% Disposed -64.1% (price as of 2026-08-21)
Nov. 17, 2020 INSP S 10b5-1 100 $167.36 $16,736 71,551 Direct -0.14% Disposed -63.7% (price as of 2026-08-21)
Oct. 20, 2020 INSP S 10b5-1 700 $121.12 $84,784 71,651 Direct -0.97% Disposed -49.9% (price as of 2026-08-21)
Oct. 20, 2020 INSP S 10b5-1 600 $122.11 $73,266 72,351 Direct -0.82% Disposed -50.3% (price as of 2026-08-21)
Oct. 20, 2020 INSP S 10b5-1 1,700 $123.80 $210,460 72,951 Direct -2.28% Disposed -51.0% (price as of 2026-08-21)

Showing latest 100 of 179 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
Aug. 19, 2025 INSP Employee Stock Option (Right to Buy) Common Stock (7,159) $42.15 Dec. 18, 2028 7,159 Disposed
Aug. 19, 2025 INSP Employee Stock Option (Right to Buy) Common Stock (17,849) $71.00 Dec. 16, 2029 17,849 Disposed
Feb. 9, 2024 INSP Employee Stock Option (Right to Buy) Common Stock (4,376) $194.87 Feb. 9, 2034 4,376 Acquired
Feb. 10, 2023 INSP Employee Stock Option (Right to Buy) Common Stock (5,450) $263.16 Feb. 10, 2033 5,450 Acquired
Jan. 25, 2023 INSP Employee Stock Option (Right to Buy) Common Stock (2,693) $42.15 Dec. 18, 2028 2,693 Disposed
Jan. 25, 2023 INSP Employee Stock Option (Right to Buy) Common Stock (117) $71.00 Dec. 16, 2029 117 Disposed
Jan. 25, 2023 INSP Employee Stock Option (Right to Buy) Common Stock (3,290) $10.38 April 9, 2028 3,290 Disposed
Feb. 11, 2022 INSP Employee Stock Option (Right to Buy) Common Stock (5,924) $227.53 Feb. 11, 2032 5,924 Acquired
Sept. 28, 2021 INSP Stock Option (Right to Buy) Common Stock (329) $0.94 April 1, 2027 329 Disposed
Sept. 28, 2021 INSP Stock Option (Right to Buy) Common Stock (2,819) $10.38 April 9, 2028 2,819 Disposed
Sept. 28, 2021 INSP Stock Option (Right to Buy) Common Stock (1,607) $42.15 Dec. 18, 2028 1,607 Disposed
March 12, 2021 INSP Stock Option (Right to Buy) Common Stock (1,645) $0.94 April 1, 2027 1,645 Disposed
March 12, 2021 INSP Stock Option (Right to Buy) Common Stock (376) $0.94 Jan. 1, 2027 376 Disposed
March 12, 2021 INSP Stock Option (Right to Buy) Common Stock (2,350) $10.38 April 9, 2028 2,350 Disposed
March 12, 2021 INSP Stock Option (Right to Buy) Common Stock (6,095) $42.15 Dec. 18, 2028 6,095 Disposed
March 12, 2021 INSP Stock Option (Right to Buy) Common Stock (2,034) $71.00 Dec. 16, 2029 2,034 Disposed
Dec. 14, 2020 INSP Employee Stock Option (Right to Buy) Common Stock (17,300) $194.82 Dec. 14, 2030 17,300 Acquired
Oct. 9, 2020 INSP Stock Option (Right to Buy) Common Stock (5,494) $42.15 Dec. 18, 2028 5,494 Disposed
Oct. 9, 2020 INSP Stock Option (Right to Buy) Common Stock (1,410) $10.38 April 9, 2028 1,410 Disposed
Oct. 9, 2020 INSP Stock Option (Right to Buy) Common Stock (987) $0.94 April 1, 2027 987 Disposed
Oct. 9, 2020 INSP Stock Option (Right to Buy) Common Stock (376) $0.94 Jan. 1, 2027 376 Disposed
July 22, 2020 INSP Stock Option (Right to Buy) Common Stock (1,952) $42.15 Dec. 18, 2028 1,952 Disposed
July 22, 2020 INSP Stock Option (Right to Buy) Common Stock (12,687) $10.38 April 9, 2028 12,687 Disposed
July 22, 2020 INSP Stock Option (Right to Buy) Common Stock (22,706) $2.07 June 1, 2024 22,706 Disposed
July 22, 2020 INSP Stock Option (Right to Buy) Common Stock (3,628) $0.94 April 1, 2027 3,628 Disposed
July 22, 2020 INSP Stock Option (Right to Buy) Common Stock (1,463) $0.94 Jan. 1, 2027 1,463 Disposed
July 21, 2020 INSP Stock Option (Right to Buy) Common Stock (3,000) $2.07 June 1, 2024 3,000 Disposed
June 23, 2020 INSP Stock Option (Right to Buy) Common Stock (12,000) $2.07 May 31, 2024 12,000 Disposed
Dec. 16, 2019 INSP Employee Stock Option (Right to Buy) Common Stock (20,000) $71.00 Dec. 16, 2029 20,000 Acquired
Sept. 30, 2019 INSP Stock Option (Right to Buy) Common Stock (3,800) $0.94 Dec. 31, 2026 3,800 Disposed
Sept. 30, 2019 INSP Stock Option (Right to Buy) Common Stock (9,200) $0.94 March 31, 2027 9,200 Disposed
Sept. 30, 2019 INSP Stock Option (Right to Buy) Common Stock (15,000) $2.07 May 31, 2024 15,000 Disposed
Aug. 19, 2019 INSP Stock Option (Right to Buy) Common Stock (4,000) $2.07 May 31, 2024 4,000 Disposed
July 16, 2019 INSP Stock Option (Right to Buy) Common Stock (4,000) $2.07 May 31, 2024 4,000 Disposed
June 17, 2019 INSP Stock Option (Right to Buy) Common Stock (4,000) $2.07 May 31, 2024 4,000 Disposed
May 20, 2019 INSP Stock Option (Right to Buy) Common Stock (4,000) $2.07 May 31, 2024 4,000 Disposed
April 16, 2019 INSP Stock Option (Right to Buy) Common Stock (4,000) $2.07 May 31, 2024 4,000 Disposed
March 20, 2019 INSP Stock Option (Right to Buy) Common Stock (2,000) $2.07 May 31, 2024 2,000 Disposed
Feb. 20, 2019 INSP Stock Option (Right to Buy) Common Stock (2,000) $2.07 May 31, 2024 2,000 Disposed
Jan. 22, 2019 INSP Stock Option (Right to Buy) Common Stock (6,000) $2.07 May 31, 2024 6,000 Disposed
Dec. 18, 2018 INSP Employee Stock Option (Right to Buy) Common Stock (25,000) $42.15 Dec. 18, 2028 25,000 Disposed

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

Initial ownership (Form 3) 11 holdings

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

Date Ticker Security Shares Ownership
Feb. 11, 2026 INSP Common Stock 44,567 Direct
Feb. 11, 2026 INSP Common Stock 1,475 Indirect
Feb. 11, 2026 INSP Common Stock 1,475 Indirect
Feb. 11, 2026 INSP Employee Stock Option (Right to Buy)→ Common Stock (4,376) 4,376 Direct
Feb. 11, 2026 INSP Employee Stock Option (Right to Buy)→ Common Stock (5,450) 5,450 Direct
Feb. 11, 2026 INSP Employee Stock Option (Right to Buy)→ Common Stock (5,924) 5,924 Direct
Feb. 11, 2026 INSP Employee Stock Option (Right to Buy)→ Common Stock (17,300) 17,300 Direct
May 2, 2018 INSP Stock Option (Right to Buy)→ Common Stock (82,706) 82,706 Direct
May 2, 2018 INSP Stock Option (Right to Buy)→ Common Stock (6,015) 6,015 Direct
May 2, 2018 INSP Stock Option (Right to Buy)→ Common Stock (15,789) 15,789 Direct
May 2, 2018 INSP Stock Option (Right to Buy)→ Common Stock (22,556) 22,556 Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

INSP

CFO
Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2025 $477,989 — — — $319,488 — — $2,707,684
2024 $457,844 — — — $270,311 — — $2,824,625
2023 $447,243 $10,810 $799,743 $835,431 $205,382 — — $2,308,509

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.