Biff Bowman

CIK 1548048 · View on SEC EDGAR ↗

Insider

First SEC filing: June 3, 2026 · Latest: June 3, 2026

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Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 85 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

85 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Nov. 22, 2019 NTRSO S 13,208 $106.53 $1,407,048 74,980 Direct -14.98% Disposed -82.7% (price as of 2026-08-19)
Aug. 2, 2019 NTRSO S 298 $93.36 $27,821 91,006 Direct -0.33% Disposed -80.3% (price as of 2026-08-19)
Aug. 2, 2019 NTRSO S 45,906 $92.81 $4,260,536 91,304 Direct -33.46% Disposed -80.2% (price as of 2026-08-19)
Aug. 9, 2018 NTRSO S 21,352 $111.11 $2,372,421 73,411 Direct -22.53% Disposed -83.5% (price as of 2026-08-19)
Feb. 27, 2018 NTRSO S 13,811 $108.53 $1,498,908 74,801 Direct -15.59% Disposed -83.1% (price as of 2026-08-19)
April 27, 2017 NTRSO S 23,167 $91.77 $2,126,036 75,365 Direct -23.51% Disposed -80.0% (price as of 2026-08-19)
Nov. 16, 2016 NTRSO S 21,205 $81.35 $1,725,027 63,357 Direct -25.08% Disposed -77.4% (price as of 2026-08-19)
Nov. 16, 2016 NTRSO S 4,694 $80.86 $379,557 84,562 Direct -5.26% Disposed -77.3% (price as of 2026-08-19)
Nov. 7, 2016 NTRSO S 10b5-1 7,371 $74.00 $545,454 63,357 Direct -10.42% Disposed -75.2% (price as of 2026-08-19)
Sept. 7, 2016 NTRSO S 10b5-1 2,960 $70.00 $207,200 64,137 Direct -4.41% Disposed -73.7% (price as of 2026-08-19)
April 22, 2015 NTRSO S 10b5-1 2,959 $72.95 $215,859 48,313 Direct -5.77% Disposed -74.8% (price as of 2026-08-19)
Aug. 25, 2014 NTRSO S 10b5-1 3,023 $68.95 $208,436 17,219 Direct -14.93% Disposed -73.3% (price as of 2026-08-19)
July 24, 2014 NTRSO S 10b5-1 3,022 $66.95 $202,323 17,219 Direct -14.93% Disposed -72.5% (price as of 2026-08-19)
May 17, 2013 NTRSO S 10b5-1 6,000 $58.25 $349,500 11,122 Direct -35.04% Disposed -68.4% (price as of 2026-08-19)
March 5, 2013 NTRSO S 10b5-1 7,000 $54.00 $378,000 11,122 Direct -38.63% Disposed -66.0% (price as of 2026-08-19)

Showing latest 100 of 102 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
May 22, 2025 VOYA Restricted Stock Units Common Stock (2,547) 2,547 Acquired
May 23, 2024 VOYA Restricted Stock Units Common Stock (2,055) 2,055 Acquired
May 25, 2023 VOYA Restricted Stock Units Common Stock (2,165) 2,165 Acquired
May 25, 2023 VOYA Restricted Stock Units Common Stock (527) 527 Disposed
March 22, 2023 VOYA Restricted Stock Units Common Stock (527) 527 Acquired
Aug. 2, 2019 NTRSO Employee Stock Option (right-to-buy) Common Stock (25,867) $58.25 Feb. 16, 2026 25,867 Disposed
Aug. 2, 2019 NTRSO Employee Stock Option (right-to-buy) Common Stock (20,337) $60.85 Feb. 10, 2024 20,337 Disposed
Aug. 9, 2018 NTRSO Employee Stock Option (right-to-buy) Common Stock (21,352) $52.69 Feb. 11, 2023 21,352 Disposed
April 27, 2017 NTRSO Employee Stock Option (right-to-buy) Common Stock (11,399) $52.64 Feb. 14, 2021 11,399 Disposed
April 27, 2017 NTRSO Employee Stock Option (right-to-buy) Common Stock (11,768) $50.99 Feb. 15, 2020 11,768 Disposed
Feb. 21, 2017 NTRSO Employee Stock Option (right-to-buy) Common Stock (26,132) $88.06 Feb. 21, 2027 26,132 Acquired
Nov. 16, 2016 NTRSO Employee Stock Option (right-to-buy) Common Stock (11,455) $43.65 Feb. 13, 2022 11,455 Disposed
Nov. 16, 2016 NTRSO Employee Stock Option (right-to-buy) Common Stock (14,444) $55.39 Feb. 16, 2019 14,444 Disposed
Nov. 7, 2016 NTRSO Employee Stock Option (right-to-buy) Common Stock (7,371) $71.23 Feb. 19, 2018 7,371 Disposed
Sept. 7, 2016 NTRSO Employee Stock Option (right-to-buy) Common Stock (2,960) $63.36 Feb. 20, 2017 2,960 Disposed
Feb. 16, 2016 NTRSO Employee Stock Option (right-to-buy) Common Stock (34,489) $58.25 Feb. 16, 2026 34,489 Acquired
April 22, 2015 NTRSO Employee Stock Option (right-to-buy) Common Stock (2,959) $63.36 Feb. 20, 2017 2,959 Disposed
Feb. 17, 2015 NTRSO Employee Stock Option (right-to-buy) Common Stock (23,739) $70.21 Feb. 17, 2025 23,739 Acquired
Aug. 25, 2014 NTRSO Employee Stock Option (right-to-buy) Common Stock (3,023) $52.10 Feb. 21, 2016 3,023 Disposed
July 24, 2014 NTRSO Employee Stock Option (right-to-buy) Common Stock (3,022) $52.10 Feb. 21, 2016 3,022 Disposed
Feb. 10, 2014 NTRSO Employee Stock Option (right-to-buy) Common Stock (20,337) $60.85 Feb. 10, 2024 20,337 Acquired
May 17, 2013 NTRSO Employee's Stock Option (right-to-buy) Common Stock (6,000) $44.46 Feb. 15, 2015 6,000 Disposed
March 5, 2013 NTRSO Employee's Stock Option (right-to-buy) Common Stock (7,000) $49.12 Feb. 17, 2014 7,000 Disposed
Feb. 11, 2013 NTRSO Employee Stock Option (right-to-buy) Common Stock (21,352) $52.69 Feb. 11, 2023 21,352 Acquired

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

Initial ownership (Form 3) 15 holdings

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

Date Ticker Security Shares Ownership
Feb. 19, 2021 FIBK Class A Common Stock 0 Direct
May 7, 2012 NTRSO Common Stock [F1] 24,541 Direct
May 7, 2012 NTRSO Common Stock 9,832 Direct
May 7, 2012 NTRSO Common Stock 543 Indirect
May 7, 2012 NTRSO Employee Stock Option (right-to-buy)→ Common Stock (1,668) 1,668 Direct
May 7, 2012 NTRSO Employee Stock Option (right-to-buy)→ Common Stock (3,332) 3,332 Direct
May 7, 2012 NTRSO Employee Stock Option (right-to-buy)→ Common Stock (7,000) 7,000 Direct
May 7, 2012 NTRSO Employee Stock Option (right-to-buy)→ Common Stock (6,000) 6,000 Direct
May 7, 2012 NTRSO Employee Stock Option (right-to-buy)→ Common Stock (6,045) 6,045 Direct
May 7, 2012 NTRSO Employee Stock Option (right-to-buy)→ Common Stock (5,919) 5,919 Direct
May 7, 2012 NTRSO Employee Stock Option (right-to-buy)→ Common Stock (7,371) 7,371 Direct
May 7, 2012 NTRSO Employee Stock Option (right-to-buy)→ Common Stock (14,444) 14,444 Direct
May 7, 2012 NTRSO Employee Stock Option (right-to-buy)→ Common Stock (11,768) 11,768 Direct
May 7, 2012 NTRSO Employee Stock Option (right-to-buy)→ Common Stock (11,399) 11,399 Direct
May 7, 2012 NTRSO Employee Stock Option (right-to-buy)→ Common Stock (11,455) 11,455 Direct

Compensation (DEF 14A)

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

NTRSO

CFO
Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2019 $625,000 $2,310,120 $930,000 $1,027,504 $30,259 $4,922,883
2018 $625,000 $2,100,055 $990,000 $29,857 $3,744,912
2017 $625,000 $1,518,771 $501,209 $900,000 $713,100 $29,245 $4,287,325

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